Tag Archives: agricultural roller chains

China Custom Agricultural Roller Chain 12A-6 a Series Short Pitch Precision Multiple Strand Timing Chain and Bush Chains

Product Description

A Series Short Pitch Precision Multiple Strand Roller Chains & Bush Chains

 

ANSI
Chain No.

Chain No.

Pitch

P
mm

Roller diameter

d1max
mm

Width between inner plates
b1min
mm
Pin diameter

d2max
mm

Pin length Inner plate depth
h2max
mm
Plate thickness

Tmax
mm

Transverse pitch
    Pt     mm
Tensile strength

Qmin
kN/lbf

Average tensile strength

Q0
kN

Weight per meter
q   kg/m
Lmax
mm
Lcmax
mm
60-6 12A-6 19.050 11.91 12.57 5.94 139.8 141.8 18.00 2.42 22.78 190.8/42921 209.80 9.31

 

 

ROLLER CHAIN

Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission.

CONSTRUCTION OF THE CHAIN

Two different sizes of roller chain, showing construction.
There are 2 types of links alternating in the bush roller chain. The first type is inner links, having 2 inner plates held together by 2 sleeves or bushings CZPT which rotate 2 rollers. Inner links alternate with the second type, the outer links, consisting of 2 outer plates held together by pins passing through the bushings of the inner links. The “bushingless” roller chain is similar in operation though not in construction; instead of separate bushings or sleeves holding the inner plates together, the plate has a tube stamped into it protruding from the hole which serves the same purpose. This has the advantage of removing 1 step in assembly of the chain.

The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning.

LUBRICATION

Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed]

There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment.

Many oil-based lubricants attract dirt and other particles, eventually forming an CZPT paste that will compound wear on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film after application and repels both particles and moisture.

VARIANTS DESIGN

Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not being used for a high wear application (for instance if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the simpler types of chain may still be used. Conversely, where extra strength but the smooth drive of a smaller pitch is required, the chain may be “siamesed”; instead of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or more rows of plates running parallel, with bushings and rollers between each adjacent pair, and the same number of rows of teeth running in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have multiple rows of plates called strands.

Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half-inch pitch would be a #40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason.

Roller chain is ordinarily hooked up using a master link (also known as a connecting link), which typically has 1 pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) “riveted” or mashed on the ends. These pins are made to be durable and are not removable.

USE

An example of 2 ‘ghost’ sprockets tensioning a triplex roller chain system
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues.
A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for removal and installation. A similar but larger and thus stronger chain is used on most motorcycles although it is sometimes replaced by either a toothed belt or a shaft drive, which offer lower noise level and fewer maintenance requirements.
The great majority of automobile engines use roller chains to drive the camshaft(s). Very high performance engines often use gear drive, and starting in the early 1960s toothed belts were used by some manufacturers.
Chains are also used in forklifts using hydraulic rams as a pulley to raise and lower the carriage; however, these chains are not considered roller chains, but are classified as lift or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are driven by projecting drive links which also serve to locate the chain CZPT the bar.

Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain drive from an air motor
A perhaps unusual use of a pair of motorcycle chains is in the Harrier Jump Jet, where a chain drive from an air motor is used to rotate the movable engine nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal CZPT flight, a system known as Thrust vectoring.

WEAR

 

The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle).

With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets.

The lengthening due to wear of a chain is calculated by the following formula:

M = the length of a number of links measured

S = the number of links measured

P = Pitch

In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear.

CHAIN STRENGTH

The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.

The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.

CHAIN STHangZhouRDS

Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.

ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Standard Sizes
Size Pitch Maximum Roller Diameter Minimum Ultimate Tensile Strength Measuring Load
25 0.250 in (6.35 mm) 0.130 in (3.30 mm) 780 lb (350 kg) 18 lb (8.2 kg)
35 0.375 in (9.53 mm) 0.200 in (5.08 mm) 1,760 lb (800 kg) 18 lb (8.2 kg)
41 0.500 in (12.70 mm) 0.306 in (7.77 mm) 1,500 lb (680 kg) 18 lb (8.2 kg)
40 0.500 in (12.70 mm) 0.312 in (7.92 mm) 3,125 lb (1,417 kg) 31 lb (14 kg)
50 0.625 in (15.88 mm) 0.400 in (10.16 mm) 4,880 lb (2,210 kg) 49 lb (22 kg)
60 0.750 in (19.05 mm) 0.469 in (11.91 mm) 7,030 lb (3,190 kg) 70 lb (32 kg)
80 1.000 in (25.40 mm) 0.625 in (15.88 mm) 12,500 lb (5,700 kg) 125 lb (57 kg)
100 1.250 in (31.75 mm) 0.750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
120 1.500 in (38.10 mm) 0.875 in (22.23 mm) 28,125 lb (12,757 kg) 281 lb (127 kg)
140 1.750 in (44.45 mm) 1.000 in (25.40 mm) 38,280 lb (17,360 kg) 383 lb (174 kg)
160 2.000 in (50.80 mm) 1.125 in (28.58 mm) 50,000 lb (23,000 kg) 500 lb (230 kg)
180 2.250 in (57.15 mm) 1.460 in (37.08 mm) 63,280 lb (28,700 kg) 633 lb (287 kg)
200 2.500 in (63.50 mm) 1.562 in (39.67 mm) 78,175 lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (76.20 mm) 1.875 in (47.63 mm) 112,500 lb (51,000 kg) 1,000 lb (450 kg

For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):

Pitch (inches) Pitch expressed
in eighths
ANSI standard
chain number
Width (inches)
14 28 25 18
38 38 35 316
12 48 41 14
12 48 40 516
58 58 50 38
34 68 60 12
1 88 80 58

Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
 A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.

Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.

Roller chains made using ISO standard are sometimes called as isochains.

 

WHY CHOOSE US 

1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed CZPT Marketing Network
7. Efficient After-Sale Service System

 

The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.

We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve CZPT range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.

 

Standard or Nonstandard: Standard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Mining Equipment, Agricultural Machinery, Car, Textile Machinery, Garment Machinery, Conveyor
Surface Treatment: Polishing
Structure: Roller Chain
Material: Alloy
Type: Derrlck, Bush Chain
Samples:
US$ 0/Meter
1 Meter(Min.Order)

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Request Sample

Customization:
Available

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bush chain

What are the safety precautions when working with bush chains?

Working with bush chains requires adherence to certain safety precautions to ensure the well-being of operators and prevent accidents. Here are some important safety measures to consider:

1. Personal protective equipment (PPE): Operators should wear appropriate PPE, including safety glasses, gloves, and protective clothing, to protect themselves from potential hazards such as flying debris, pinching, or entanglement.

2. Training and knowledge: Operators should be properly trained in the operation and maintenance of bush chains. They should have a thorough understanding of the equipment, including its components, functions, and potential hazards. Training should cover safe operating procedures, including start-up, shutdown, and emergency procedures.

3. Lockout/tagout procedures: Before performing any maintenance or repair work on a bush chain, proper lockout/tagout procedures should be followed. This involves isolating the power source, de-energizing the equipment, and securing it with lockout devices or tags to prevent accidental startup.

4. Regular inspections: Regular inspections should be conducted to identify any signs of wear, damage, or misalignment in the bush chain. This includes checking for loose bolts, worn sprockets, damaged links, or any other issues that could compromise the chain’s integrity. Any identified problems should be promptly addressed to prevent further damage or accidents.

5. Proper lifting and handling: When handling bush chains, proper lifting techniques should be employed to prevent strain or injury. Chains should be lifted using appropriate lifting equipment, and operators should avoid placing themselves in a position where they could be caught between moving parts.

6. Clean and well-maintained work environment: The work area should be clean, well-lit, and free from clutter or obstructions. This ensures that operators have clear visibility and can safely access the bush chain without tripping or other hazards.

7. Follow manufacturer guidelines: It is important to follow the manufacturer’s guidelines and recommendations for the safe use, maintenance, and inspection of the specific bush chain being used. This includes following recommended lubrication practices, tensioning guidelines, and any other instructions provided by the manufacturer.

By adhering to these safety precautions, operators can mitigate potential risks associated with working with bush chains and ensure a safe working environment for themselves and others involved in the operation and maintenance of the equipment.

bush chain

What are the design considerations for a bush chain system?

When designing a bush chain system, several key considerations should be taken into account to ensure its reliable and efficient operation. These design considerations include:

1. Load capacity: Evaluate the expected loads that the bush chain system will need to handle. Consider the weight, size, and type of materials or products being conveyed or transmitted. Select a bush chain with a suitable load capacity to ensure it can withstand the required loads.

2. Speed and acceleration: Determine the desired operating speed and acceleration of the bush chain system. This will influence the selection of chain pitch, material, and lubrication requirements. Higher speeds may require additional considerations such as reduced friction or increased precision.

3. Environmental conditions: Evaluate the operating environment for the bush chain system. Consider factors such as temperature, humidity, dust, chemicals, and presence of corrosive or abrasive substances. Select a bush chain material and coating that can withstand the environmental conditions and resist corrosion or wear.

4. Space limitations: Assess the available space for the installation of the bush chain system. Consider the dimensions and layout of the equipment, conveyor, or transmission system. Ensure that there is sufficient clearance for the chain’s movement and that the system can be properly tensioned and aligned.

5. Alignment and tensioning: Proper tensioning and alignment are critical for the smooth operation of a bush chain system. Design the system to include tensioners, idler sprockets, or adjustable mounting options to facilitate easy tensioning and alignment adjustments.

6. Lubrication and maintenance: Determine the lubrication requirements of the bush chain system. Consider the frequency and method of lubrication, as well as any accessibility constraints for maintenance. Select a lubrication method that suits the application, such as manual lubrication, automatic lubrication systems, or self-lubricating bush chains.

7. Safety considerations: Ensure that the bush chain system is designed with appropriate safety measures. Incorporate guards, covers, or enclosures where necessary to prevent accidental contact with moving parts. Consider emergency stop systems and safety interlocks for the protection of personnel and equipment.

By carefully considering these design factors, a bush chain system can be optimized for performance, reliability, and longevity in a specific application or industry.

bush chain

What is a bush chain and how does it work?

A bush chain, also known as a bush roller chain or a bushing chain, is a type of roller chain commonly used in mechanical power transmission systems. It consists of a series of interconnected links, known as bushings, that are joined together by pins. The bushings are cylindrical metal sleeves with internal bearings that rotate on the pins.

The working principle of a bush chain is based on the interaction between the rotating bushings and the teeth of the sprockets. The chain is wrapped around two or more sprockets, with one sprocket being the driver and the other(s) being the driven. As the driver sprocket rotates, it pulls the chain, causing the bushings to rotate on the pins.

Each bushing has an outer surface that comes into contact with the sprocket teeth. The engagement between the sprocket teeth and the bushings’ outer surface creates the driving force, allowing power to be transmitted from the driver sprocket to the driven sprocket(s). This rotational motion transfers torque and enables the movement of various mechanical components or systems connected to the driven sprocket(s).

The bush chain design provides several advantages, including high tensile strength, flexibility, and the ability to transmit power over long distances. The bushings and pins are typically made of hardened steel to ensure durability and resistance to wear. Lubrication is essential to reduce friction and prevent premature wear of the bushings and pins.

Bush chains are widely used in various applications, such as industrial machinery, agricultural equipment, automotive systems, and conveyor systems. They are favored for their reliability, efficiency, and ease of installation. Proper maintenance, including regular lubrication and tension adjustment, is necessary to ensure the smooth operation and longevity of a bush chain.

China Custom Agricultural Roller Chain 12A-6 a Series Short Pitch Precision Multiple Strand Timing Chain and Bush Chains  China Custom Agricultural Roller Chain 12A-6 a Series Short Pitch Precision Multiple Strand Timing Chain and Bush Chains
editor by CX 2023-08-22

China manufacturer Conveyor Chain 08A-6 a Series Industrial and Agricultural Short Pitch Precision Multiple Strand Roller Chains and Bush Chains for Steel Mill

Product Description

A Series Short Pitch Precision Multiple Strand Roller Chains & Bush Chains

 

ANSI
Chain No.

Chain No.

Pitch

P
mm

Roller diameter

d1max
mm

Width between inner plates
b1min
mm
Pin diameter

d2max
mm

Pin length Inner plate depth
h2max
mm
Plate thickness

Tmax
mm

Transverse pitch
    Pt     mm
Tensile strength

Qmin
kN/lbf

Average tensile strength

Q0
kN

Weight per meter
q   kg/m
Lmax
mm
Lcmax
mm
40-6 08A-6 12.700 7.95 7.85 3.96 88.5 89.8 12.00 1.50 14.38 84.6/19031 93.06 3.83

ROLLER CHAIN

Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficient means of power transmission.

CONSTRUCTION OF THE CHAIN

Two different sizes of roller chain, showing construction.
There are 2 types of links alternating in the bush roller chain. The first type is inner links, having 2 inner plates held together by 2 sleeves or bushings CZPT which rotate 2 rollers. Inner links alternate with the second type, the outer links, consisting of 2 outer plates held together by pins passing through the bushings of the inner links. The “bushingless” roller chain is similar in operation though not in construction; instead of separate bushings or sleeves holding the inner plates together, the plate has a tube stamped into it protruding from the hole which serves the same purpose. This has the advantage of removing 1 step in assembly of the chain.

The roller chain design reduces friction compared to simpler designs, resulting in higher efficiency and less wear. The original power transmission chain varieties lacked rollers and bushings, with both the inner and outer plates held by pins which directly contacted the sprocket teeth; however this configuration exhibited extremely rapid wear of both the sprocket teeth, and the plates where they pivoted on the pins. This problem was partially solved by the development of bushed chains, with the pins holding the outer plates passing through bushings or sleeves connecting the inner plates. This distributed the wear over a greater area; however the teeth of the sprockets still wore more rapidly than is desirable, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and provided rolling contact with the teeth of the sprockets resulting in excellent resistance to wear of both sprockets and chain as well. There is even very low friction, as long as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary importance for efficient operation as well as correct tensioning.

LUBRICATION

Many driving chains (for example, in factory equipment, or driving a camshaft inside an internal combustion engine) operate in clean environments, and thus the wearing surfaces (that is, the pins and bushings) are safe from precipitation and airborne grit, many even in a sealed environment such as an oil bath. Some roller chains are designed to have o-rings built into the space between the outside link plate and the inside roller link plates. Chain manufacturers began to include this feature in 1971 after the application was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were included as a way to improve lubrication to the links of power transmission chains, a service that is vitally important to extending their working life. These rubber fixtures form a barrier that holds factory applied lubricating grease inside the pin and bushing wear areas. Further, the rubber o-rings prevent dirt and other contaminants from entering inside the chain linkages, where such particles would otherwise cause significant wear.[citation needed]

There are also many chains that have to operate in dirty conditions, and for size or operational reasons cannot be sealed. Examples include chains on farm equipment, bicycles, and chain saws. These chains will necessarily have relatively high rates of wear, particularly when the operators are prepared to accept more friction, less efficiency, more noise and more frequent replacement as they neglect lubrication and adjustment.

Many oil-based lubricants attract dirt and other particles, eventually forming an CZPT paste that will compound wear on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film after application and repels both particles and moisture.

VARIANTS DESIGN

Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not being used for a high wear application (for instance if it is just transmitting motion from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the simpler types of chain may still be used. Conversely, where extra strength but the smooth drive of a smaller pitch is required, the chain may be “siamesed”; instead of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or more rows of plates running parallel, with bushings and rollers between each adjacent pair, and the same number of rows of teeth running in parallel on the sprockets to match. Timing chains on automotive engines, for example, typically have multiple rows of plates called strands.

Roller chain is made in several sizes, the most common American National Standards Institute (ANSI) standards being 40, 50, 60, and 80. The first digit(s) indicate the pitch of the chain in eighths of an inch, with the last digit being 0 for standard chain, 1 for lightweight chain, and 5 for bushed chain with no rollers. Thus, a chain with half-inch pitch would be a #40 while a #160 sprocket would have teeth spaced 2 inches apart, etc. Metric pitches are expressed in sixteenths of an inch; thus a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is made from plain carbon or alloy steel, but stainless steel is used in food processing machinery or other places where lubrication is a problem, and nylon or brass are occasionally seen for the same reason.

Roller chain is ordinarily hooked up using a master link (also known as a connecting link), which typically has 1 pin held by a horseshoe clip rather than friction fit, allowing it to be inserted or removed with simple tools. Chain with a removable link or pin is also known as cottered chain, which allows the length of the chain to be adjusted. Half links (also known as offsets) are available and are used to increase the length of the chain by a single roller. Riveted roller chain has the master link (also known as a connecting link) “riveted” or mashed on the ends. These pins are made to be durable and are not removable.

USE

An example of 2 ‘ghost’ sprockets tensioning a triplex roller chain system
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues.
A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for removal and installation. A similar but larger and thus stronger chain is used on most motorcycles although it is sometimes replaced by either a toothed belt or a shaft drive, which offer lower noise level and fewer maintenance requirements.
The great majority of automobile engines use roller chains to drive the camshaft(s). Very high performance engines often use gear drive, and starting in the early 1960s toothed belts were used by some manufacturers.
Chains are also used in forklifts using hydraulic rams as a pulley to raise and lower the carriage; however, these chains are not considered roller chains, but are classified as lift or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are driven by projecting drive links which also serve to locate the chain CZPT the bar.

Sea Harrier FA.2 ZA195 front (cold) vector thrust nozzle – the nozzle is rotated by a chain drive from an air motor
A perhaps unusual use of a pair of motorcycle chains is in the Harrier Jump Jet, where a chain drive from an air motor is used to rotate the movable engine nozzles, allowing them to be pointed downwards for hovering flight, or to the rear for normal CZPT flight, a system known as Thrust vectoring.

WEAR

 

The effect of wear on a roller chain is to increase the pitch (spacing of the links), causing the chain to grow longer. Note that this is due to wear at the pivoting pins and bushes, not from actual stretching of the metal (as does happen to some flexible steel components such as the hand-brake cable of a motor vehicle).

With modern chains it is unusual for a chain (other than that of a bicycle) to wear until it breaks, since a worn chain leads to the rapid onset of wear on the teeth of the sprockets, with ultimate failure being the loss of all the teeth on the sprocket. The sprockets (in particular the smaller of the two) suffer a grinding motion that puts a characteristic hook shape into the driven face of the teeth. (This effect is made worse by a chain improperly tensioned, but is unavoidable no matter what care is taken). The worn teeth (and chain) no longer provides smooth transmission of power and this may become evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing seen with a timing light. Both sprockets and chain should be replaced in these cases, since a new chain on worn sprockets will not last long. However, in less severe cases it may be possible to save the larger of the 2 sprockets, since it is always the smaller 1 that suffers the most wear. Only in very light-weight applications such as a bicycle, or in extreme cases of improper tension, will the chain normally jump off the sprockets.

The lengthening due to wear of a chain is calculated by the following formula:

M = the length of a number of links measured

S = the number of links measured

P = Pitch

In industry, it is usual to monitor the movement of the chain tensioner (whether manual or automatic) or the exact length of a drive chain (one rule of thumb is to replace a roller chain which has elongated 3% on an adjustable drive or 1.5% on a fixed-center drive). A simpler method, particularly suitable for the cycle or motorcycle user, is to attempt to pull the chain away from the larger of the 2 sprockets, whilst ensuring the chain is taut. Any significant movement (e.g. making it possible to see through a gap) probably indicates a chain worn up to and beyond the limit. Sprocket damage will result if the problem is ignored. Sprocket wear cancels this effect, and may mask chain wear.

CHAIN STRENGTH

The most common measure of roller chain’s strength is tensile strength. Tensile strength represents how much load a chain can withstand under a one-time load before breaking. Just as important as tensile strength is a chain’s fatigue strength. The critical factors in a chain’s fatigue strength is the quality of steel used to manufacture the chain, the heat treatment of the chain components, the quality of the pitch hole fabrication of the linkplates, and the type of shot plus the intensity of shot peen coverage on the linkplates. Other factors can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain operating on a continuous drive is for the chain load to not exceed a mere 1/6 or 1/9 of the chain’s tensile strength, depending on the type of master links used (press-fit vs. slip-fit)[citation needed]. Roller chains operating on a continuous drive beyond these thresholds can and typically do fail prematurely via linkplate fatigue failure.

The standard minimum ultimate strength of the ANSI 29.1 steel chain is 12,500 x (pitch, in inches)2. X-ring and O-Ring chains greatly decrease wear by means of internal lubricants, increasing chain life. The internal lubrication is inserted by means of a vacuum when riveting the chain together.

CHAIN STHangZhouRDS

Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references[8][9][10] for additional information.

ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Standard Sizes
Size Pitch Maximum Roller Diameter Minimum Ultimate Tensile Strength Measuring Load
25 0.250 in (6.35 mm) 0.130 in (3.30 mm) 780 lb (350 kg) 18 lb (8.2 kg)
35 0.375 in (9.53 mm) 0.200 in (5.08 mm) 1,760 lb (800 kg) 18 lb (8.2 kg)
41 0.500 in (12.70 mm) 0.306 in (7.77 mm) 1,500 lb (680 kg) 18 lb (8.2 kg)
40 0.500 in (12.70 mm) 0.312 in (7.92 mm) 3,125 lb (1,417 kg) 31 lb (14 kg)
50 0.625 in (15.88 mm) 0.400 in (10.16 mm) 4,880 lb (2,210 kg) 49 lb (22 kg)
60 0.750 in (19.05 mm) 0.469 in (11.91 mm) 7,030 lb (3,190 kg) 70 lb (32 kg)
80 1.000 in (25.40 mm) 0.625 in (15.88 mm) 12,500 lb (5,700 kg) 125 lb (57 kg)
100 1.250 in (31.75 mm) 0.750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
120 1.500 in (38.10 mm) 0.875 in (22.23 mm) 28,125 lb (12,757 kg) 281 lb (127 kg)
140 1.750 in (44.45 mm) 1.000 in (25.40 mm) 38,280 lb (17,360 kg) 383 lb (174 kg)
160 2.000 in (50.80 mm) 1.125 in (28.58 mm) 50,000 lb (23,000 kg) 500 lb (230 kg)
180 2.250 in (57.15 mm) 1.460 in (37.08 mm) 63,280 lb (28,700 kg) 633 lb (287 kg)
200 2.500 in (63.50 mm) 1.562 in (39.67 mm) 78,175 lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (76.20 mm) 1.875 in (47.63 mm) 112,500 lb (51,000 kg) 1,000 lb (450 kg

For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):

Pitch (inches) Pitch expressed
in eighths
ANSI standard
chain number
Width (inches)
14 28 25 18
38 38 35 316
12 48 41 14
12 48 40 516
58 58 50 38
34 68 60 12
1 88 80 58

Notes:
1. The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance).
2. The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.
3. The left-hand digit denotes the number of eighths of an inch that make up the pitch.
4. An “H” following the standard number denotes heavyweight chain. A hyphenated number following the standard number denotes double-strand (2), triple-strand (3), and so on. Thus 60H-3 denotes number 60 heavyweight triple-strand chain.
 A typical bicycle chain (for derailleur gears) uses narrow 1⁄2-inch-pitch chain. The width of the chain is variable, and does not affect the load capacity. The more sprockets at the rear wheel (historically 3-6, nowadays 7-12 sprockets), the narrower the chain. Chains are sold according to the number of speeds they are designed to work with, for example, “10 speed chain”. Hub gear or single speed bicycles use 1/2″ x 1/8″ chains, where 1/8″ refers to the maximum thickness of a sprocket that can be used with the chain.

Typically chains with parallel shaped links have an even number of links, with each narrow link followed by a broad one. Chains built up with a uniform type of link, narrow at 1 and broad at the other end, can be made with an odd number of links, which can be an advantage to adapt to a special chainwheel-distance; on the other side such a chain tends to be not so strong.

Roller chains made using ISO standard are sometimes called as isochains.

 

WHY CHOOSE US 

1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed CZPT Marketing Network
7. Efficient After-Sale Service System

 

The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.

We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve CZPT range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.

 

 

 

 

 

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Standard or Nonstandard: Standard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Food and Beverage Industry, Motorcycle Parts
Surface Treatment: Polishing
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bush chain

Can a bush chain be used in food processing industries?

Yes, bush chains can be used in food processing industries, provided that they meet certain criteria to ensure food safety and hygiene. When selecting a bush chain for food processing applications, several factors should be considered:

1. Material compatibility: The chain material should be food-grade and suitable for contact with food products. Stainless steel, particularly austenitic stainless steel grades like 304 and 316, is commonly used due to its corrosion resistance, durability, and ease of cleaning. These materials are non-toxic and do not contaminate the food.

2. Lubrication: In food processing applications, it is important to consider the lubrication requirements. Some bush chains are available with self-lubricating properties or require food-grade lubricants that are safe for incidental contact with food. This ensures that the lubrication used does not pose a risk of contamination.

3. Cleanability: The bush chain should be designed in a way that allows for easy cleaning and maintenance. Smooth surfaces, without crevices or hard-to-reach areas, are preferred to prevent the accumulation of food particles, bacteria, or other contaminants. The chain should also withstand frequent cleaning processes, including washdowns with cleaning solutions or high-pressure water.

4. FDA and regulatory compliance: It is important to ensure that the bush chain and associated components comply with relevant food safety regulations, such as those set by the FDA (Food and Drug Administration) in the United States or similar regulatory bodies in other countries. Compliance with these regulations helps to maintain food safety standards.

5. Sanitary design: The bush chain should adhere to sanitary design principles, which include features such as smooth surfaces, no exposed threads, and easy disassembly for cleaning. This helps prevent the growth of bacteria and ensures the chain can be effectively sanitized.

By considering these factors and selecting a bush chain that meets the specific requirements of the food processing industry, it is possible to use bush chains safely and effectively in various applications, including conveying, sorting, packaging, and processing of food products.

bush chain

Can a bush chain be repaired or does it need to be replaced entirely?

When a bush chain is damaged or worn out, the extent of the damage will determine whether it can be repaired or needs to be replaced entirely. Here are the considerations:

1. Minor Damage: In some cases, minor damage to a bush chain can be repaired. This includes issues such as a few broken or worn-out bushings or pins. These components can be replaced individually without replacing the entire chain.

2. Extensive Damage: If the bush chain has extensive damage, such as multiple broken links, severe wear on multiple components, or damaged sprockets, it may be more cost-effective and efficient to replace the entire chain. Repairing such extensive damage can be time-consuming and may not guarantee the chain’s optimal performance.

3. Chain Length: The length of the chain also plays a role in determining whether it can be repaired. If the damaged section is localized and doesn’t affect the overall length significantly, it may be possible to repair or replace only the affected portion.

4. Age and Condition: The age and overall condition of the bush chain should also be considered. If the chain is already worn out, has undergone multiple repairs, or is nearing the end of its service life, it is generally recommended to replace it entirely to ensure reliable operation.

5. Cost Considerations: Finally, the cost of repair versus replacement should be evaluated. In some cases, the cost of repairs, including labor and replacement parts, may exceed the cost of a new chain. In such instances, it is more economical to replace the chain.

Ultimately, the decision to repair or replace a bush chain depends on the extent of the damage, the chain’s overall condition, and cost considerations. It is advisable to consult with a qualified professional or the chain manufacturer for an accurate assessment and recommendation.

bush chain

Can a bush chain be used in high-speed applications?

Yes, bush chains can be used in high-speed applications, but there are certain considerations to keep in mind. While bush chains are known for their durability and strength, they may have limitations in terms of their maximum allowable speed due to factors such as centrifugal forces and dynamic loads.

The speed capability of a bush chain depends on several factors, including the chain design, material, lubrication, and operating conditions. It is important to select a bush chain that is specifically designed for high-speed applications and to follow the manufacturer’s recommendations regarding speed limits.

In high-speed applications, it is crucial to ensure proper chain tensioning and alignment to minimize vibration and reduce the risk of chain failure. Regular maintenance, including lubrication and inspection, is also essential to prevent premature wear and extend the service life of the chain.

Additionally, the selection of a suitable lubricant is important for high-speed bush chain applications. The lubricant should have excellent film strength and provide sufficient protection against wear and friction at high speeds. It is recommended to consult with the chain manufacturer or a lubrication specialist to determine the most suitable lubrication solution.

Overall, while bush chains can be used in high-speed applications, it is essential to consider the specific requirements and limitations of the application and to ensure proper maintenance and lubrication to achieve reliable and efficient operation.

China manufacturer Conveyor Chain 08A-6 a Series Industrial and Agricultural Short Pitch Precision Multiple Strand Roller Chains and Bush Chains for Steel Mill  China manufacturer Conveyor Chain 08A-6 a Series Industrial and Agricultural Short Pitch Precision Multiple Strand Roller Chains and Bush Chains for Steel Mill
editor by CX 2023-08-05

China factory Drive Corn Harvester Potting Heavy Duty Leaf Transmission Chain C/Ca Type Steel Industrial Agricultural Roller Chains cutting roller chain

Product Description

Company Profile

-HangZhou CHOHO Industrial Co., Ltd. was founded in 1999. Has become the leader of chain system technology, the first batch of natioal recognized enterprise technology center,national technology innovation demonstration enterprise,and the first A-share listed company in China’s chain drive industry.The securities code is 003033.
-CHOHO has 4 subsidiaries, including testing technology and international trading companies. has 4 factories in HangZhou, Thailand factory, ZheJiang R&D Center and Tokyo R&D Center. In addition, CHOHO ZHangZhoug Industrial zone is expected to be completed & put into operation next year.
-We specialized in producing all kinds of standard chains and special chains, such as Agricultural Chain, Sprocket, Chain Harrow, Tillage Parts,Rice Harvester Chain, GS38 Chain, Roller Chain, Automobile Chain, Motorcycle Chain Industrial Chain and so on.Our  partners among world top enterprises, such as LOVOL,NEWHOLLAND, CLASS,AGCO,DEUTZFAHR,HONDA, KUBOTA etc.

Production Capacity Equipment

By 2571,CHOHO has more than 2,700 sets of main production equipment and more than 600 sets of high-precision equipment,With the domestic advanced product laboratory and chain production assembly line, CHOHO has strong research and development and testing capabilities for high-end chain products.

Our Advantages

1. Any inquiry you make will be answered professionally within 6~8 hours.
2. Attaches great importance to product quality and approved by many global quality system certification,such as France, Norway, Germany.
3. Focused on Chain since 1999, have rich experience in Production.
4. High-quality workers,First-class advanced equipment,good quality control,advanced technology.
5. Be Good at Custom-Made Products, provide customized services for customers.
6. Participated in the drafting of 24 national and industrial standards such as chains.As of 2571-Mar, CHOHO has 180 authorized patents.
7. With the responsibility of “Providing high quality chain system with the same service life for the global locomotive industry”, have established a strong R&D team.

CHOHO has a natural brand awareness.  As of January 2571, CHOHO has registered the “CHOHO” trademark in more than 60 countries, including the United States, Japan, the United Kingdom, France, Germany, Russia, Spain, Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Greece , Hungary, Ireland, Italy, Netherlands, Poland, Portugal, Romania, Ukraine, Sweden, Australia, Algeria, Egypt, Kenya, Morocco, South Korea, Kazakhstan, Mongolia, Syria, Thailand, Pakistan, India, Brazil, Mexico, Colombia, etc. 

Product Advantages

— Ten CoreTechnologies —

1 Chain strengh preload technology 2 Pin CRV treatment technology
3 Plate smoothly punching technology 4 Bush oil hole technology
5 Vacuum Oiled Technology 6 Precision Punching Technology
7 Low frequency fatigue test technology for lange size chain  8 Chain length comparison technology
9 Variation of silence design technology 10 Chain dynamic testingtechnology technologies

Certifications

CHOHO attaches great importance to product quality and approved by many global quality system certification, such as France, Norway, and Germany. Through the establishment of a sophisticated production management process and quality control system, the entire product process control is achieved. With the introduction of advanced production, processing, and testing equipment, CHOHO has internationally leading full-process quality control capabilities to provide customers with high-quality products.

Choho Provide Chain System Solutions for The Global Top 500 and The Enterprises in Various Fields Top 10!

Broad Customer Channels  Market Continues to Develop!
CHOHO has been invited to participate in domestic & international agricultural machinery exhibitions, such as Hannover Messe, Bologna Fair, Canton Fair ,VIV ASIA and so on!

Packaging & Shipping

Packaging Details: Chain+Plastic Bag+Neutral Box+Wooden case+Big Carton+Steel Pallets or Customization

FAQ

1. Are you manufacturer or trade Company?
    We are a factory focused on producing and exporting Chain over 23 years,have a professional international trade team.
2. What terms of payment you usually use?
    T/T 30% deposit and 70% against document, L/C at sight
3. What is your lead time for your goods?
    Normally 30~45 days.Stock can be shipped immediately.
4. Do you attend any Show?
    We attend Hannover show in Germany, EIMA in Italy, CZPT in France, CIAME in China and many other Agricultural machinery shows.
5.Do you offer free samples?
   Yes,we can.or you just bear the shipping cost.
6.Is OEM available?
   Yes, OEM is available. We have professional designers to help you design.
 

Standard or Nonstandard: Standard
Application: Conveyer Equipment, Agricultural Machinery
Surface Treatment: Polishing
Structure: Roller Chain
Material: Alloy
Type: Agricultural Machinery Chian
Samples:
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chain

drive chain type

Drive chains are used in a variety of industrial applications. Unlike roller chains, which are more efficient in terms of weight and size, drive chains slide on steel guides. Drive chains are often used for dirty work. Here’s what you need to know about the various types of drive chains. In this article, we’ll look at pin chains, engineered steel chains, bushing roller chains, and timing chains. These types are the most common and the most commonly used.

time chain

There are several factors to consider when deciding which drive chain to buy. What matters is how long the chain will last, as the timing chain will stretch over time. However, they are pre-stretched during manufacture to reduce the risk of stretching. Timing chains can also be noisy compared to toothed belt drives, but rails and chain tensioners can alleviate this problem. Timing chains also wear slower than belts, reducing repair costs.
Timing chains require little maintenance compared to belt drives. When well lubricated, timing chains require little maintenance. The only maintenance really required is checking the engine oil level and following the manufacturer’s recommended service intervals. Timing chains of drive chains are also safer than belt drives and can be dangerous if the toothed belt tears. Also, the timing chain only needs minor repairs and replacements. Garages can purchase complete timing chain kits that contain all the parts needed for repairs.
Drive chains can be equipped with roller chains or timing chains, depending on the load on the engine. The style of the timing chain depends on the type of motor used. However, the roller chain is the most common choice due to its high strength and NVH properties. The roller chain has two tabs pressed into the eyes, and two rollers above them. These components work together to improve engine performance.
Many modern vehicles use timing chains. Timing gears synchronize the camshaft and crankshaft so that the valves open and close at the appropriate times. This is critical to the running quality, power output, and fuel consumption of the engine. The timing chain also reduces the amount of pollution emitted by the vehicle. Over the past two decades, many OEMs have turned to time chains for OHC/DOHC engines.

pin chain

Steel pivot chains feature open barrels to reduce blocking and material buildup. These chains are designed for power transmission and transportation applications, often used in agricultural applications. They can be custom welded using specialized accessories. These chains can be used in agricultural, industrial and municipal applications. Here’s a closer look at each. Read on to learn about the benefits of steel pivot chains.
The Long Pitch Class 700 Pivot Chain is a versatile chain for conveying and lifting products. Its T-head pins fit snugly so dust doesn’t get into the pin holes. It is also constructed with a closed bearing structure to prevent elongation due to wear. Steel pivot chains are designed for high fatigue applications and are versatile.

Engineering Steel Chain

Engineered steel drive chain provides maximum power transfer while minimizing weight. Engineering chains are often used for tough oil drilling operations. Designed for durability and tight tolerances, these chains can be used in a variety of industrial equipment. Whether you need to lift heavy objects or store a lot of items, engineered steel chains will do the job. Read on to learn more about the benefits of engineering chains.
Engineered steel chains consist of links or pin joints with large gaps between the components. The material of these chains is designed to handle abrasives. While many of these chains are used as conveyors, some are designed for drives. You can find these chains on conveyors, forklifts, bucket elevators, oil rigs and more. To get the most out of them, they should be able to withstand the power produced by the prime mover.
The chain can withstand high tensile stresses and is ductile enough to withstand fatigue. The center-to-center distance between the chain and sprockets is between 30% and 50% of the pitch. On smaller sprockets, the arc of contact between the teeth and chain must be at least 120 degrees. The resistance of the chain drive depends on the use environment, including vibration, noise, fatigue strength and other factors.
There are many types of engineering steel drive chains, each with a different function. The most commonly used type is the elevator. Its lift mechanism raises and lowers the carriage. Most cranes are attached to the load with hooks. Another type of chain is the oval link. Its links are welded and the sprocket has receivers for each link. It is used in low speed applications for elevators, chain hoists and anchors in offshore operations.

Bushing Roller Chain

Typically, a bushing roller chain as a drive chain consists of two link assemblies. The inner link consists of two plates held together by two sleeves, while the outer link consists of two plates connected by pins that pass through the inner link. However, there are some differences between bushing roller chains. The main difference is the type of link and the amount of lubrication required. If you want to learn more about bushing roller chains, keep reading.
While roller chains are generally stronger and more durable than bushing chains, they are not immune to wear. During the driving cycle, they lengthen and undergo a process called articulation. The rate at which they elongate depends on the lubrication and load applied to them. The frequency of pin and bushing articulation is also critical. Like other wear parts, the manufacture of critical wear parts requires close attention to detail to ensure optimum performance. Correct raw material selection, part fabrication, and assembly are key factors in achieving optimum performance. Improperly prepared parts can affect wear life and performance.
Consider your application and load distribution when selecting a bushing roller chain as your drive chain. The length of the chain must be between 30 and 50 times its pitch. The arc of contact between the small sprocket teeth must be at least 120 degrees. The resistance of the drive chain depends on the usage environment, which will determine its fatigue strength and vibration level. It’s a good idea to check the chain length before deciding to replace it.
chain

flat top chain

The TSplus flat top drive chain is the most flexible conveying medium on the market today. They can be connected end-to-end to create extended conveyor lines. The side bend design allows it to be used with a variety of conveyor types including inline, snake, and carousel conveyors. These chains are available in a variety of sizes, ranging in width from 3 feet to 20 feet.
A variety of materials are available for flat-top chains, including steel and plastic. Steel chains are ideal for applications requiring wear resistance. They are sturdy and well made. Plastic chains are particularly durable, but not suitable for harsh environments. Stainless steel flat top chains are suitable for a variety of applications, and some manufacturers make them from stainless steel or even aluminum. If your application requires a durable flat top chain, choose a chain made from iwis hardened stainless steel.
Another type of flat-top drive chain is the side bend chain. Suitable for flexible machinery requiring efficient conveying. It is equipped with a single hinge pin or double hinge pin. Either option will do, but each hinge pin has its advantages. Single hinge pin chains are suitable for smaller light-duty conveyors, while double hinge pins are more suitable for medium and heavy-duty applications.
CZPT is a modular flat top chain conveyor system. Its standardized components and modules can be easily integrated into any production process. And because it’s a single track, you can lengthen or shorten it as needed. Its versatile design makes it compatible with other conveyor systems such as belts and sprockets. This monorail modular design allows system lengths up to 40 meters and is compatible with other conveyor systems.

China factory Drive Corn Harvester Potting Heavy Duty Leaf Transmission Chain C/Ca Type Steel Industrial Agricultural Roller Chains   cutting roller chainChina factory Drive Corn Harvester Potting Heavy Duty Leaf Transmission Chain C/Ca Type Steel Industrial Agricultural Roller Chains   cutting roller chain
editor by CX 2023-05-29

China Custom 60sh, 80sh, 35sh, 40sh, 50sh, 100sh Agricultural Driving Chain and High Strength Roller Chains near me manufacturer

Merchandise Description

Product Description

Agricultural roller chain on Agricultural Equipment Products, welded steel mill chain, welded steel drag chain, solid mounted pin chain, pintle chain, drop cast website link chain and Engineer Class Driving Chain, with alloy metal and stainless metal variety according to your requirement

1, Chain varieties: agricultural chain, drop forged rivetless chain, Roller Chain, conveyor chain, sugar market chain, palm oil industry chain, asphalt market chain,elevator conveyor market chain, double flex chain, pintle chain, weld metal drag chains, malleable chain and many others
two, Major components: It is 40Mn. 40Cr, 45Mn alloy steel or SUS304 for plates, ten#, 20#, 20CrMnMo, 30CrMnTi for pins and rollers
3, Heat remedy: Carburizing, Austemper Stressing, nitro-caburizing harden etc
4, Surface: Shot peening, black, blue or unique
5, Deal way: Plastic bag+ carton box+ plywood circumstance

 

S kind metal agricultural chains
Chain No. Pitch Roller diameter Width in between interior plates Width among outer plates Depth of chain plates Pin diameter Pin length Plate thickness Greatest tensile toughness Excess weight for every meter
p d1(Max) b1(min) b3(min) h2(Max) d2(Max) b4(Max) T(Max) Qo(min) Q
mm mm mm mm mm mm mm mm Kn Kg/m
S32 29.21 11.43 15.88 20.57 13.five 4.47 26.7 one.8 eight .86
S32-H 29.21 11.43 15.88 twenty.fifty seven 13.5 4.forty seven 26.7 2 17.5 .88
S32V 29.21 eleven.forty three 15.88   13.5 five.08 29.seven 2.1 25 .ninety six
S42 34.93 14.27 19.05 25.sixty five 19.8 7.01 34.three two.8 26.seven .ninety six
S42-H 34.ninety three 14.27 19.05 twenty five.sixty five 19.eight seven.01 34.3   forty one  
S45 41.4 fifteen.24 22.23 28.96 seventeen.three 5.seventy four 38.one two.8 seventeen.8 one.six
S45-H 41.four 15.24 22.23 28.96 seventeen.three 5.seventy four 38.1   32  
S52 38.1 15.24 22.23 28.96 17.three five.seventy four 38.one two.eight 17.8 1.sixty eight
S52-H 38.one 15.24 22.23 28.ninety six 17.three 5.74 38.one   32  
S55 41.4 seventeen.78 22.23 28.96 seventeen.3 five.74 38.one two.8 seventeen.8 1.eight
S55-H forty one.four seventeen.seventy eight 22.23 28.ninety six 17.3 5.seventy four 38.one   32 2.25
S55V forty one.four 17.seventy eight 22.23 35.3 twenty.seven eight.27 39.4 two.9 45 2.22
S55R forty one.four seventeen.seventy eight 22.23 34.5 21.2 5.seventy two 37.five 2.6 45 2.49
S55RH 41.4 17.78 22.23 forty one.4 22.4 eight.9 46.4 four eighty four.5 2.seventy four
S62 forty one.ninety one 19.05 twenty five.4 32 17.three five.74 forty.six six.2 26.7 one.87
S62-H 41.91 19.05 twenty five.4 32 17.3 five.74 forty.6   32  
S77 fifty eight.34 eighteen.26 22.23 31.5 26.2 8.92 forty three.2 four forty four.5 two.sixty six
S77-H 58.34 18.26 22.23 31.five 26.2 8.92 forty three.two   eighty  
S88 66.27 22.86 28.58 37.eighty five 26.2 eight.ninety two fifty.8 four 44.five three.25
S88-H sixty six.27 22.86 28.fifty eight 37.85 26.two 8.ninety two 50.8   eighty  
S38 38 sixteen 21.eight   21 9 43 3 fifty five 2
LV40 40 twelve 22   seventeen.five 6 41 3 31.four 1.53
P41.three forty one.3 15.88 22.23 35.3 twenty.seven 8.27 39.4 3 50 two.45
P40.six 40.6 fifteen.88 20 35.forty five 20.7 eight.27 39.4 three 35 1.fifty five
40SH twelve.seven seven.ninety five 7.84   twelve three.ninety six 19.nine 2.03 22.4 .82
50SH 15.875 ten.sixteen nine.four   fifteen.09 5.08 23.four two.forty two 30.4 1.25
60SH 19.05 11.ninety one twelve.57 25.54 eighteen five.ninety four 31.6 three.25 44.one one.87
80SH twenty five.4 15.88 15.75   24 seven.92 37.7 4 88.two three.one
100SH 31.75 19.05 eighteen.9   30 nine.fifty three forty six.9 4.eight 116.6 4.fifty two
120SH 38.one 22.23 twenty five.22   35.seven 11.1 57.five five.six 158.2 six.six
630SK 19.05 14.28 nine.53 seventeen.15 18.one seven.eleven 28 3.6 forty two 2.eighteen
630H 19.05 11.91 nine.fifty three   eighteen.1 5.ninety four 27.eight 3.25 42 2.16
C40, C08A-one 12.7 seven.ninety five 7.eighty five   twelve 3.96 16.six one.five fourteen.1 .78
C50, C10A-1 15.875 10.16 nine.4   15.09 five.08 20.seven 2 22.two one.27
C60, C12A-1 19.05 11.ninety one twelve.fifty seven   eighteen 5.ninety four twenty five.nine two.forty two 31.8 one.86
C80, C16A-one twenty five.4 fifteen.88 fifteen.seventy five   24 seven.92 32.seven three.twenty five 56.7 3.03
C100, C20A-one 31.75 19.05 eighteen.nine   thirty nine.53 40.four 4 88.five 4.51
C120, C24A-one 38.1 22.23 25.22   36.2 11.1 50.3 4.8 127 6.sixty three
                     
C550 forty one.four sixteen.87 19.81 26.16 19.05 seven.19 38.two 2.7 39.8 1.ninety four
C550-H forty one.four 16.87 19.81 26.16 19.05 7.19 39 three 39.8 2.24
C620 forty two.01 seventeen.91 24.fifty one 31.seventy two 19.05 seven.19 forty two.2 three.fifteen 39.one 2.35
C620-H forty two.01 17.91 24.51 31.seventy two 19.05 7.19 forty two.two   57.8  

 

Detailed Images

Product Parameters

 

Packaging & Delivery

1. Inner packing: CZPT bag, air bubble bag, carton in accordance to buyer’s request.
2. Outer packing: OSB circumstance or pallet.
three. You should remember to go away the proper get in touch with Tackle details for shipping and delivery.

Our Rewards

Company Profile

We are a major company of mechanical transmission spare components, as well as several several years 1 of reputable and CZPT distributors. Our main things are roller chain, conveyor chain, agricultural chain, sugar business chain, palm oil market chain, asphalt business chain,elevator conveyor industry chain etc.
At existing, For South American, European, and Asian marketplace, our outstanding items are fabricated in accordance to your requirement and our high quality meets ISO, ASME, DIN common.

Please look at our method methods as beneath
(1) punch its outer plate and interior plates

(2)Shot peening workshop

(3) warmth remedy workshop

(4) assembly preparation

(5) pins process

(6) Tensile Qualities Take a look at ahead of cargo

 

Soon after Product sales Provider

Our goods can be repaired or replaced the new areas with free of charge price in 3 months.

FAQ

Concern:
1.Q:How about CZPT cost?
A: mainly depend on : 1.Drawing, 2.material, 3.bodyweight and amount.
We require to know the framework of every elements to evaluate the mold solution by:

1) –Comprehensive design and style drawing, product design or genuine sample —– the greatest way
–PDF drawing with comprehensive dimension for each and every components
–Plainly photographs for each parts with far more angle-sights to demonstrate each and every functions.

two)The materials, complex parameters and floor remedies.
technological parameters: tell us about its model, pitch, roller diameter, width between inner plates, attachment variety, outside the house drawing and many others.

3)The amount of get.

2.Q:How to handle the merchandise processing?
A: The processing report or pictures will be sent to the buyer each 7 days/ every month for overview.

3.Q:Who will possess the mould?
A:Client, also the CZPT can be retained in our manufacturing facility for foreseeable future get.

4.Q:How extended do you make your quotation?
A:Soon after acquiring detail informations we will quotation in 1 to 3 days.

five.Q: MOQ? —
modest chain variety: if its pitch is significantly less than 38.10mm and its thickness is considerably less than 5mm, MOQ is 1500 meters on these roller chains or conveyor chains
middle chain variety: MOQ is a thousand meters on these roller chains or conveyor chains
huge chain kind: if its pitch is much more than 76.20mm and its thickness is much more than 10mm, MOQ is two hundred meters on these roller chains or conveyor chains

I hope we can do business collectively, and look ahead to listening to from you before long
 

 

What is a travel chain?

A drive chain is a wheeled system that transmits energy from one equipment to an additional. The push chain is generally an oval ring all around a corner or worm equipment. On the other hand, idler pulleys do not transmit energy and are not employed to transfer the chain. In some instances, drive chains can be utilized with idler pulleys to transportation objects. This permits the push chain to recover some power from the next equipment.

conveyor chain

There are many kinds of conveyor chains to select from. One particular kind is a closed joint chain. It is composed of the barrel and connecting rod, manufactured from a one casting and heat-handled for higher power and longevity. Conveyor chains generally have reduced working speeds and are normally produced of malleable iron. An additional kind of chain is the electricity transmission chain, which is employed to transmit mechanical energy. They characteristic successful lubrication and are more robust than typical conveyor chains.
Roller chain pitches can selection from 50 percent an inch to a third of an inch. They are available in metal and nickel-plated metal. They can be utilised with inline or staggered rollers and can be created with different pitch ranges. They can also have bushings between the chainplates or gaps amongst the teeth to boost their greatest spacing. When choosing a conveyor chain, keep in mind to correctly lubricate bearing surfaces to reduce power absorption, dress in, and corrosion. Mineral oils of medium viscosity are appropriate for regular functioning temperatures. SAE 20W50 is appropriate. Manufacturers also offer self-lubricating chains.
Conveyor chains are used in numerous industries. The automotive market has traditionally utilized these chains for bulk transportation. Their dependability and minimal price make them an outstanding choice for a variety of apps. CZPT Chains delivers stainless metal and CZPT conveyor chains to meet up with your special demands. If you’re in the marketplace for a new conveyor, don’t forget to store close to. CZPT Chain can help you find the excellent 1.
The regular drive model consists of an ASME/ANSI roller chain wrapped all around a pushed sprocket. It can also be configured for variable rpm. The equipment ratio in between the two elements determines the reduction or improve in pace. In some instances, answer chains can be employed. Roller chains are more effective. Then, there are answers for both situations. There are many sorts of conveyor chains to select from.
Conveyor chain pitch also performs an critical role in overall performance. The smaller the pitch of the chain, the more quickly it spins. On the other hand, a more compact pitch will demand a lot more teeth on the sprocket, which indicates more backlinks will be engaged for the duration of the movement. This smaller articulation angle also makes smoother motion. It also minimizes vibration. For that reason, CZPT Chains can be trustworthy for a extended time.

roller chain

The functionality of a push chain relies upon on how effectively it is taken care of and lubricated. Mindful consideration to detail is necessary when choosing a roller chain, which is 1 of the most crucial components in a generate chain. Its suitable lubrication and assembly will considerably have an effect on its dress in existence. Below are some essential suggestions to stick to when buying a roller chain:
The size of the generate chain should be picked in accordance to the sprockets employed. The huge sprocket should have at least twenty five enamel, and the small sprocket must have less teeth. The pitch of a push chain is the get in touch with angle amongst the chain and the sprocket. The smaller sized the sprocket, the more compact the get in touch with angle of the two components. Bigger sprockets are far better, but smaller sprockets must never ever have less teeth.
When buying a roller chain, be sure to consider the maximum pace of the small sprocket. This will figure out how considerably lubrication you need to have. Various lubrication systems have distinct specifications. Guide lubrication restrictions how a lot of toes for each minute the travel chain can run, while oil bath lubrication can get you up to 1100 ft/min. The only way to improve generate chain pace is to buy a pump lubrication program.
After you have the right length, you can determine if you need a new one. To do this you have to move the axis to evaluate the size. Once the duration is established, the generate chain need to be removed from the sprocket and measured utilizing the ANSI specified measuring load. You should also stick to protection suggestions when measuring your chain. If you want to improve the existence of your drive chain, be confident to adhere to these guidelines.
An additional critical thought is the variety of setting you function in. For apps that need to have to avoid rubbing metal rails, it is ideal to use a roller chain that can face up to a cleanse indoor atmosphere. Though roller chains are generally more sturdy, they need to be saved appropriately to stay away from corrosion. If you care about the surroundings, consider opting for double chain. Its sturdiness and reduced routine maintenance costs will make it a beneficial expense in your business.

closed pivot

Shut-end pivot drive chains are employed in a selection of apps. They are acknowledged for their durability, high strength, and lengthy lifestyle. They are available in a range of grades, like quality four hundred, grade 600, and quality 800 pivots, which can withstand the high forces necessary for certain applications. Enclosed pivot chains can be used to raise, pull, express and transfer large loads.
Course four hundred shut-conclude pivot chain characteristics one particular-piece solid offset hyperlink building. Steel pins link every link and are prevented from rotating by head stops. This design and style permits the pin to hook up inside the barrel without breaking. This variety of chain is the most frequently employed and has the optimum toughness. In addition to being incredibly resilient, it gives lengthy-long lasting functionality and clean operation.
An additional closed-end pivot conveyor chain travel is named a power push chain. These chains consist of barrels and links employed to transmit rotation from 1 shaft to another. The barrels of the shut-end pivot chains are created of steel, which allows them to run simply on the sprockets. Block generate chains are used for minimal-speed apps, but they can be noisy when the chain is in get in touch with with the sprockets.
The enclosed pivot generate chain has rollers on both finishes to reduce use. These chains are normally created of steel and can be utilised in locations the place substantial-pace energy transmission is needed. They are also available in heavy-duty versions. In contrast to other kinds of chains, steel pivot chains are developed for a range of programs. They are suitable for weighty-duty purposes and their open up barrel style makes it possible for for small contact with the pins in the barrel and the root of the sprocket.

Linear chain

CZPT is an essential portion of linear generate technological innovation. This kind of chain is capable of offering actual electrical power in tight spaces. Normally, loads are moved by pulling or pushing. CZPT can perform equally varieties of movements. They can drive and pull added masses. This type of chain can also be wound and saved in the magazine. It is a well-liked choice for small machine resources and many other makes use of.
Not like traditional mechanical chains, CZPT makes use of a drive-pull technique to go weighty objects. It is a rigid locking style that prevents kinking and allows the chain to transmit power without having bending. The CZPT is an outstanding choice for relocating massive masses and is specifically versatile in energy transmission. Nevertheless, CZPT is a lot more costly than classic travel chain options.
The service life of a linear chain relies upon on its style, content type and dimensions. You could want to purchase a great top quality chain, but it’s not needed in all cases. While outstanding high quality can prolong the daily life of the chain, it could not be required for lower-speed drives or really light shock loads. If you might be not working with substantial-velocity shock masses, you almost certainly do not need attributes like oil reservoirs or bushing grooves.
The size of the drive sprocket can have a significant effect on the total lifestyle of the linear chain. It establishes how quickly the chain can go and how a lot horsepower it can produce. An eleven-tooth chain will strike about fifty percent its rated pace, but only about thirty percent of its rated horsepower. You can lengthen the daily life of your linear chain by selecting a travel sprocket with a greater number of teeth. It is very best to pick a travel sprocket with a large variety of teeth, but make certain the quantity of teeth is even. This will make certain that your chain wear is evenly distributed.

China Custom 60sh, 80sh, 35sh, 40sh, 50sh, 100sh Agricultural Driving Chain and High Strength Roller Chains     near me manufacturer

China supplier Agricultural Roller Chains Metal Conveyor Chain with Best Sales

Solution Description

Drop Forged Chains “Y” Serial

 

Attributes

• It consists of forged metal hyperlinks, which can be geared up with different plastic or steel scrapers. The relationship pin amongst these links is in a circlip variation.
• Specific heat dealt with alloy metal,drop solid and precision machined, with circumstance hardened.
• High energy, powerful load-carrying ability.
• Very tough exterior area and exceptional dress in
resistance.

Technical Specifications

Product P
(mm)
H
(mm)
B
(mm)
D
(mm)
b
(mm)
T
(mm)
Breaking Load
(Min.)
Material
P100 one hundred thirty 33 14 fifteen.5 13 140KN 40Cr
P125-B 125 35 34 17 seventeen eight 150KN 40Cr
P142 142 50.eight 43 25 19 12.two 180KN 20CrMnTi
300KN 40Cr
P142H 142 50 62 25 29 15 280KN 20CrMnTi
460KN 40Cr
P160 160 40 forty eight twenty 22.five 20 240KN 40Cr
P200 200 sixty four fifty 32 23 fifteen 390KN 40Cr
P200-E two hundred forty five forty two twenty twenty twelve.two 200KN 40Cr

Observe: Customised measurements and material are obtainable on request

 

Roller Conveyor Chains

Characteristics

• It consists of a combination of internal and outer hyperlinks. 
• The bush/pin connections in between the backlinks are obtainable in a circlip, break up pin, or a riveted model. 
• The metal scrapers can be both bent or welded. 
• UHMWPE lights are recommended to attach to the scrapers for much more eficiency and higher use resistance.

GLF Sort

Complex Specifications

Design Pitch
(P)
Scraper
Length
(P1)
Inner
Width
(b)
Plate
Width
(B)
T1 T2 Roller
Dia.
(D)
Bush
Dia.
(D2)
Pin Dia
(D1)
Chain
Width
(L)
E1 E2 Quantity
of Holes
(n)
d Breaking
Load in
KN
(Min.)
GLF66.675
(6)D×182
sixty six.675 266.seven 26 30 6 six 22.23   12.seven 182 90 150 4 9 one hundred thirty
GLF66.675
(6)D×215
sixty six.675 266.7 26 30 six 6 22.23   twelve.seven 215 95 195 4 9 a hundred thirty
GLF66.675
(6)D×295
66.675 266.seven 26 30 six six 22.23   12.7 295 95 195 4 nine one hundred thirty
GLF100
(6)D×170
100 200 38 40 six 6 36 21.6 16 one hundred seventy a hundred and fifteen   two nine 220
GLF100
(6)D×225
100 200 38 forty 6 6 36 21.6 sixteen 225 104 194 four nine 220
GLF100
(6)D×294
100 200 38 40 6 6 36 21.six sixteen 294 115 245 four 9 220
GLF100
(5)×225
one hundred two hundred 28 thirty 5 5 22.23   14.27 225 ninety five 195 four nine 90
GLF125
(8)D×285
a hundred twenty five 500 50 fifty 8 8 32   19.nine 285 a hundred and fifty five 255 four nine 220
GLF125
(6)×235
125 250 32.5 forty six 6 28.fifty eight twenty 14.27 235 ninety five 195 four 9 a hundred and seventy
GLF160
(6)×290
160 320 27 forty five six six 32 20 fourteen.27 290 193   two nine 193

GLR Sort

Technological Requirements

Design Pitch
(P)
Scraper
Distance
(P1)
Interior
Width
(b)
Plate
Width
(B)
T1 T2 Roller
Dia.
(D)
Bush
Dia.
(D2)
Pin Dia
(D1)
Chain
Width
(L)
E1 E2 Variety
of Holes
(n)
d Breaking
Load in
KN
(Min.)
GLR66.675 sixty six.675 266.seven 27.5 thirty 6 six 24   13 one hundred thirty 102 32 four nine ninety
GLR100 one hundred 200 38 forty 6 six 36 21.6 16 a hundred thirty 102 32 4 9 220

 

 
Other items of our conveyor elements:

 

Could you remember to ship me inquiry for specifics?

 

 

Decreasing Downtime We comprehend the require to stayWhen the sprocket is severely worn, the new sprocket and new chain ought to be changed at the very same time to make sure excellent meshing. The new chain or new sprocket can not be changed separately, otherwise, it will cause poor meshing and accelerate the dress in of the new chain or new sprocket. The impression to the proper shows the form of the worn sprocket. This can result in the chain to stick to the sprockets and not operate easily. At this time, the A spot can be ground off or turned above for use (referring to the sprocket utilized for the adjustable surface). The quantity of wear at the joint is determined by the dimension of the chain and the pace of the chain. When the quantity of wear has an effect on the typical operation of the chain generate, corrective measures ought to be taken or connected elements should be replaced.
Do not combine the aged chain with some new chains, or else, vibration will simply happen for the duration of the transmission procedure, which will cause the chain to break.
The chain need to be loaded with lubricating oil in time. Lubricating oil have to enter the suit clearance of rollers and sleeves to improve operating conditions and decrease use.
When the equipment is stored for a prolonged time, the chain must be taken out, cleaned with kerosene or diesel oil, then coated with oil or butter, and saved in a dry place to avoid rust.
up and operating and the value that arrives together with unwanted downtime to repair your tools. Functioning in rural locations and outdoor conditions can put an in depth strain on your machinery and even prolong the time essential to obtain the proper products to make a restore. That’s why our engineering and agricultural chains are constructed to last. Employing Drives Chain by Timken can extend the lifestyle of your products and give you peace of brain.

China supplier Agricultural Roller Chains Metal Conveyor Chain     with Best Sales

China supplier Agricultural Conveyor 08b-1 B Series Short Pitch Precision Simplex Roller Chains and Bush Chains with Link with Good quality

Product Description

B Series Short pitch Precision Simplex Roller Chains & Bush Chains

 

ISO/DIN
Chain No.
Pitch

P
mm

Roller diameter

d1max
mm

Width amongst inner plates
b1min
mm
Pin diameter

d2max
mm

Pin duration Inner plate depth
h2max
mm
Plate thickness

t/Tmax
mm

Tensile strength

Qmin
kN/lbf

Average tensile energy
Q0
kN
Weight for each meter
q
kg/m
Lmax
mm
Lcmax
mm
08B-1 12.700 8.51 seven.seventy five four.forty five sixteen.70 eighteen.two eleven.80 one.sixty eighteen./4091 19.four .69

*Straight aspect plates
 

ROLLER CHAIN

Roller chain or bush roller chain is the sort of chain drive most commonly utilized for transmission of mechanical energy on many sorts of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing equipment, printing presses, vehicles, motorcycles, and bicycles. It is composed of a series of limited cylindrical rollers held together by side backlinks. It is driven by a toothed wheel known as a sprocket. It is a simple, trustworthy, and successful implies of power transmission.

Design OF THE CHAIN

Two distinct dimensions of roller chain, exhibiting development.
There are 2 kinds of backlinks alternating in the bush roller chain. The first type is internal back links, having 2 internal plates held jointly by 2 sleeves or bushings on which rotate 2 rollers. Internal backlinks alternate with the second sort, the outer links, consisting of 2 outer plates held collectively by pins passing by way of the bushings of the internal back links. The “bushingless” roller chain is similar in procedure however not in design as an alternative of independent bushings or sleeves holding the interior plates collectively, the plate has a tube stamped into it protruding from the gap which serves the very same purpose. This has the advantage of eliminating 1 stage in assembly of the chain.

The roller chain style reduces friction in contrast to easier styles, resulting in greater effectiveness and much less put on. The authentic electrical power transmission chain varieties lacked rollers and bushings, with the two the interior and outer plates held by pins which straight contacted the sprocket enamel even so this configuration exhibited extremely rapid use of each the sprocket tooth, and the plates in which they pivoted on the pins. This dilemma was partially solved by the development of bushed chains, with the pins keeping the outer plates passing by way of bushings or sleeves connecting the interior plates. This distributed the use more than a greater region nonetheless the enamel of the sprockets even now wore more rapidly than is attractive, from the sliding friction against the bushings. The addition of rollers surrounding the bushing sleeves of the chain and offered rolling contact with the tooth of the sprockets ensuing in exceptional resistance to put on of both sprockets and chain as effectively. There is even really low friction, as prolonged as the chain is sufficiently lubricated. Continuous, clean, lubrication of roller chains is of primary significance for successful procedure as properly as appropriate tensioning.

LUBRICATION

Several driving chains (for instance, in manufacturing facility tools, or driving a camshaft within an interior combustion motor) work in thoroughly clean environments, and hence the donning surfaces (that is, the pins and bushings) are protected from precipitation and airborne grit, many even in a sealed atmosphere this kind of as an oil bathtub. Some roller chains are developed to have o-rings created into the area between the outside link plate and the inside roller link plates. Chain manufacturers began to incorporate this feature in 1971 after the software was invented by Joseph Montano while working for Whitney Chain of Hartford, Connecticut. O-rings were provided as a way to boost lubrication to the backlinks of electricity transmission chains, a service that is vitally crucial to extending their functioning daily life. These rubber fixtures form a barrier that retains manufacturing unit utilized lubricating grease inside of the pin and bushing put on regions. More, the rubber o-rings avoid filth and other contaminants from getting into within the chain linkages, the place these kinds of particles would normally trigger significant wear.[citation essential]

There are also several chains that have to work in filthy conditions, and for dimension or operational motives cannot be sealed. Examples incorporate chains on farm products, bicycles, and chain saws. These chains will necessarily have fairly high rates of dress in, specifically when the operators are ready to settle for more friction, less performance, much more sounds and more frequent replacement as they neglect lubrication and adjustment.

Numerous oil-dependent lubricants attract dust and other particles, at some point forming an CZPT paste that will compound use on chains. This problem can be circumvented by use of a “dry” PTFE spray, which forms a solid film following application and repels both particles and humidity.

VARIANTS Layout

Layout of a roller chain: 1. Outer plate, 2. Inner plate, 3. Pin, 4. Bushing, 5. Roller
If the chain is not becoming used for a high wear software (for occasion if it is just transmitting movement from a hand-operated lever to a control shaft on a machine, or a sliding door on an oven), then 1 of the easier varieties of chain could nonetheless be utilized. Conversely, where added toughness but the sleek travel of a smaller pitch is needed, the chain might be “siamesed” as an alternative of just 2 rows of plates on the outer sides of the chain, there may be 3 (“duplex”), 4 (“triplex”), or far more rows of plates operating parallel, with bushings and rollers in between every single adjacent pair, and the identical amount of rows of tooth working in parallel on the sprockets to match. Timing chains on automotive engines, for instance, typically have numerous rows of plates named strands.

Roller chain is made in a number of sizes, the most widespread American Nationwide Requirements Institute (ANSI) expectations currently being 40, fifty, 60, and eighty. The very first digit(s) reveal the pitch of the chain in eighths of an inch, with the previous digit getting 0 for normal chain, 1 for light-weight chain, and 5 for bushed chain with no rollers. As a result, a chain with 50 percent-inch pitch would be a #40 although a #160 sprocket would have teeth spaced 2 inches aside, and so on. Metric pitches are expressed in sixteenths of an inch therefore a metric #8 chain (08B-1) would be equivalent to an ANSI #40. Most roller chain is produced from simple carbon or alloy steel, but stainless metal is used in foodstuff processing equipment or other areas where lubrication is a problem, and nylon or brass are occasionally observed for the same explanation.

Roller chain is ordinarily hooked up using a master website link (also acknowledged as a connecting url), which typically has 1 pin held by a horseshoe clip instead than friction fit, making it possible for it to be inserted or removed with basic equipment. Chain with a removable url or pin is also known as cottered chain, which enables the length of the chain to be altered. Fifty percent hyperlinks (also recognized as offsets) are offered and are employed to enhance the duration of the chain by a single roller. Riveted roller chain has the master link (also recognized as a connecting url) “riveted” or mashed on the finishes. These pins are made to be tough and are not removable.

USE

An case in point of 2 ‘ghost’ sprockets tensioning a triplex roller chain method
Roller chains are used in reduced- to mid-pace drives at close to 600 to 800 ft for each minute nevertheless, at increased speeds, all around 2,000 to 3,000 feet for each minute, V-belts are generally used thanks to wear and sounds issues.
A bicycle chain is a form of roller chain. Bicycle chains might have a master link, or may require a chain tool for elimination and set up. A similar but greater and hence more robust chain is utilised on most motorcycles even though it is occasionally changed by either a toothed belt or a shaft drive, which supply decrease sound level and fewer routine maintenance requirements.
The great greater part of vehicle engines use roller chains to generate the camshaft(s). Very higher performance engines usually use equipment generate, and starting up in the early sixties toothed belts ended up used by some makers.
Chains are also utilised in forklifts making use of hydraulic rams as a pulley to CZPT and reduced the carriage nevertheless, these chains are not deemed roller chains, but are categorised as elevate or leaf chains.
Chainsaw cutting chains superficially resemble roller chains but are more closely related to leaf chains. They are pushed by projecting generate back links which also serve to identify the chain on to the bar.

Sea Harrier FA.2 ZA195 entrance (cold) vector thrust nozzle – the nozzle is rotated by a chain generate from an air motor
A possibly strange use of a pair of bike chains is in the Harrier Bounce Jet, in which a chain drive from an air motor is utilised to rotate the movable motor nozzles, permitting them to be pointed downwards for hovering flight, or to the rear for normal ahead flight, a system recognized as Thrust vectoring.

Use

 

The effect of use on a roller chain is to improve the pitch (spacing of the links), creating the chain to expand lengthier. Observe that this is because of to wear at the pivoting pins and bushes, not from true stretching of the metallic (as does occur to some adaptable steel parts such as the hand-brake cable of a motor vehicle).

With CZPT chains it is uncommon for a chain (other than that of a bicycle) to dress in right up until it breaks, given that a worn chain prospects to the fast onset of put on on the tooth of the sprockets, with greatest failure being the loss of all the teeth on the sprocket. The sprockets (in specific the scaled-down of the two) suffer a grinding motion that places a characteristic hook condition into the pushed encounter of the enamel. (This effect is created worse by a chain improperly tensioned, but is unavoidable no make a difference what treatment is taken). The worn enamel (and chain) no lengthier supplies easy transmission of electrical power and this might turn out to be evident from the noise, the vibration or (in car engines using a timing chain) the variation in ignition timing witnessed with a timing light-weight. Equally sprockets and chain need to be replaced in these circumstances, considering that a new chain on worn sprockets will not previous extended. Nevertheless, in much less extreme situations it may be achievable to save the larger of the 2 sprockets, since it is often the smaller sized 1 that suffers the most wear. Only in quite mild-bodyweight apps this sort of as a bicycle, or in extreme situations of improper stress, will the chain normally soar off the sprockets.

The lengthening due to dress in of a chain is calculated by the adhering to formula:

M = the duration of a number of backlinks measured

S = the amount of backlinks calculated

P = Pitch

In market, it is normal to keep track of the motion of the chain tensioner (no matter whether handbook or computerized) or the actual duration of a drive chain (a single rule of thumb is to replace a roller chain which has elongated 3% on an adjustable push or 1.5% on a fixed-middle travel). A simpler strategy, particularly ideal for the cycle or motorcycle consumer, is to try to pull the chain away from the more substantial of the 2 sprockets, while making certain the chain is taut. Any significant motion (e.g. making it feasible to see via a gap) most likely indicates a chain worn up to and past the restrict. Sprocket hurt will end result if the difficulty is overlooked. Sprocket dress in cancels this influence, and could mask chain put on.

CHAIN Strength

The most typical evaluate of roller chain’s energy is tensile strength. Tensile toughness represents how considerably load a chain can endure below a one-time load prior to breaking. Just as essential as tensile toughness is a chain’s fatigue energy. The vital variables in a chain’s exhaustion energy is the good quality of steel employed to manufacture the chain, the heat treatment method of the chain parts, the high quality of the pitch gap fabrication of the linkplates, and the variety of shot furthermore the intensity of shot peen coverage on the linkplates. Other elements can include the thickness of the linkplates and the design (contour) of the linkplates. The rule of thumb for roller chain working on a continuous generate is for the chain load to not CZPT a mere 1/6 or 1/9 of the chain’s tensile toughness, relying on the type of grasp hyperlinks utilized (press-suit vs. slip-match)[quotation necessary]. Roller chains running on a continuous push beyond these thresholds can and typically do are unsuccessful prematurely by means of linkplate fatigue failure.

The common minimum supreme energy of the ANSI 29.1 steel chain is 12,five hundred x (pitch, in inches)two. X-ring and O-Ring chains drastically lessen put on by implies of inner lubricants, escalating chain daily life. The internal lubrication is inserted by signifies of a vacuum when riveting the chain together.

CHAIN STHangZhouRDS

Requirements companies (such as ANSI and ISO) maintain requirements for design and style, dimensions, and interchangeability of transmission chains. For case in point, the subsequent Desk displays data from ANSI normal B29.1-2011 (Precision Electrical power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Modern society of Mechanical Engineers (ASME). See the references[8][9][ten] for extra information.

ASME/ANSI B29.1-2011 Roller Chain Regular SizesSizePitchMaximum Roller DiameterMinimum Final Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Regular Sizes
Dimension Pitch Maximum Roller Diameter Minimal Greatest Tensile Power Measuring Load
25 .250 in (6.35 mm) .one hundred thirty in (3.thirty mm) 780 lb (350 kg) eighteen lb (8.2 kg)
35 .375 in (9.53 mm) .two hundred in (5.08 mm) 1,760 lb (800 kg) eighteen lb (8.2 kg)
forty one .500 in (twelve.70 mm) .306 in (7.seventy seven mm) one,five hundred lb (680 kg) 18 lb (8.2 kg)
40 .five hundred in (12.70 mm) .312 in (7.92 mm) 3,a hundred twenty five lb (1,417 kg) 31 lb (14 kg)
50 .625 in (15.88 mm) .four hundred in (10.sixteen mm) four,880 lb (2,210 kg) 49 lb (22 kg)
sixty .750 in (19.05 mm) .469 in (eleven.91 mm) 7,030 lb (3,one hundred ninety kg) 70 lb (32 kg)
eighty 1.000 in (25.40 mm) .625 in (15.88 mm) 12,five hundred lb (5,seven hundred kg) a hundred twenty five lb (fifty seven kg)
a hundred one.250 in (31.seventy five mm) .750 in (19.05 mm) 19,531 lb (8,859 kg) 195 lb (88 kg)
a hundred and twenty one.500 in (38.ten mm) .875 in (22.23 mm) 28,a hundred twenty five lb (twelve,757 kg) 281 lb (127 kg)
a hundred and forty one.750 in (forty four.45 mm) 1.000 in (25.forty mm) 38,280 lb (17,360 kg) 383 lb (174 kg)
a hundred and sixty two.000 in (fifty.eighty mm) one.a hundred twenty five in (28.58 mm) fifty,000 lb (23,000 kg) five hundred lb (230 kg)
180 two.250 in (57.15 mm) one.460 in (37.08 mm) 63,280 lb (28,seven-hundred kg) 633 lb (287 kg)
two hundred two.five hundred in (sixty three.fifty mm) one.562 in (39.67 mm) seventy eight,175 lb (35,460 kg) 781 lb (354 kg)
240 3.000 in (76.twenty mm) 1.875 in (forty seven.sixty three mm) 112,500 lb (fifty one,000 kg) one,000 lb (450 kg

For mnemonic functions, underneath is another presentation of important dimensions from the exact same normal, expressed in fractions of an inch (which was component of the thinking driving the decision of desired figures in the ANSI regular):

Pitch (inches) Pitch expressed
in eighths
ANSI normal
chain quantity
Width (inches)
14 twoeight 2five 1eight
3eight threeeight 3five 316
1two foureight 4one 14
one2 4eight four five16
fiveeight five8 five threeeight
threefour sixeight six 1two
one eight8 eight 5eight

Notes:
one. The pitch is the length between roller facilities. The width is the length in between the url plates (i.e. slightly a lot more than the roller width to allow for clearance).
two. The right-hand digit of the normal denotes 0 = regular chain, 1 = light-weight chain, 5 = rollerless bushing chain.
three. The still left-hand digit denotes the number of eighths of an inch that make up the pitch.
four. An “H” pursuing the regular number denotes heavyweight chain. A hyphenated variety pursuing the common amount denotes double-strand (2), triple-strand (3), and so on. Hence 60H-3 denotes quantity sixty heavyweight triple-strand chain.
 A typical bicycle chain (for derailleur gears) utilizes slender 1⁄2-inch-pitch chain. The width of the chain is variable, and does not influence the load potential. The a lot more sprockets at the rear wheel (traditionally 3-6, nowadays 7-twelve sprockets), the narrower the chain. Chains are sold according to the amount of speeds they are created to perform with, for instance, “10 velocity chain”. Hub equipment or solitary speed bicycles use 1/2″ x 1/8″ chains, exactly where 1/8″ refers to the optimum thickness of a sprocket that can be utilised with the chain.

Generally chains with parallel formed backlinks have an even amount of backlinks, with every slender hyperlink adopted by a broad 1. Chains developed up with a uniform variety of link, slender at 1 and broad at the other conclude, can be manufactured with an odd variety of hyperlinks, which can be an advantage to adapt to a special chainwheel-length on the other side such a chain tends to be not so robust.

Roller chains manufactured using ISO regular are often referred to as as isochains.

 

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one. Trustworthy High quality Assurance System
2. Slicing-Edge Laptop-Controlled CNC Equipment
three. Bespoke Answers from Extremely Seasoned Experts
four. Customization and OEM Obtainable for Specific Software
five. Comprehensive Inventory of Spare Areas and Components
6. Nicely-Created Throughout the world Marketing and advertising Community
7. Productive Right after-Sale Support Method

 

The 219 sets of advanced automatic generation tools give assures for higher item top quality. The 167 engineers and specialists with senior professional titles can design and style and develop merchandise to fulfill the specific requires of customers, and OEM customizations are also available with us. Our sound world-wide services network can give buyers with timely soon after-sales technical services.

We are not just a manufacturer and supplier, but also an business specialist. We operate professional-actively with you to supply skilled suggestions and merchandise suggestions in buy to end up with a most value successful merchandise offered for your distinct application. The customers we serve worldwide assortment from end customers to distributors and OEMs. Our OEM replacements can be substituted anywhere required and appropriate for each restore and new assemblies.

 

 

Transmission traits of the chain
It is typically acknowledged that the chain has become an economical component in transmission and conveying tools because of to its lower pace and high load. In exercise, however, a lot of chains are also used in substantial-velocity conditions, this sort of as the camshaft drive system of a automobile engine.
one. Simply accommodates up to 7:1 deceleration/acceleration.
two. The chain can adapt to long middle distances and is much more widely employed.
three. The chain is straightforward to understand multi-axis transmission or chain transmission on the two sides.
4. The chain is standardized, and the variety is basic and simple.
5. Effortless to reduce and hook up the chain.
6. In order to transmit the very same torque, the diameter of the sprocket of the chain method is Our agricultural machinery chains satisfy every single conceivable need to have and are offered in a range of sizes and requirements. Nevertheless, what all our chains have in common is our professional determination to good quality. Understanding that you have entry to a chain you can trust can make all the big difference and give you peace of brain. We know you need to have dependable and high quality agricultural chains, not chains that extend and can lead to downtime, and work difficult to ensure our buyers always know our precision chains will work – certain. While no agricultural procedure can be predicted to be free of downtime, our aim is to reduce lost time by delivering farmers with the elements they require to hold all of their equipment in best problem. Daily dress in and tear is predicted and can be prepared, but we try out to reduce the likelihood of unplanned downtime due to not possessing the proper chain available.
smaller sized than the diameter of the pulley.
seven. Sprockets wear significantly less than gears since the sprockets are able to distribute the load over a lot of sprocket enamel.
8. Via the improve of vibration triggered by use elongation or put on elongation, it can be known regardless of whether the support existence of the chain has been arrived at, which is easy to notice and master.

China supplier Agricultural Conveyor 08b-1 B Collection Limited Pitch Precision Simplex Roller Chains and Bush Chains with Url     with Very good quality

China best Roller Chains for Agricultural Machinery with Free Design Custom

Merchandise Description

1)Type roller chain
two)Components Grade A carbon steel 
three)Chain No. 12A
four)Procedure Sand blasting,
warmth remedy, 
High pace impact,
Four sides riveting, 
Pre-stretching and running, 
Lubricate with grease.
five)Operate tillage chain
6)MOQ 1000Pcs
seven)Supply Capability 100000 Meter/Meters for each calendar year
8)Tensile Strength/Hardness normal or over
nine)Delivery Time within thirty times after receiving your thirty% deposits
ten)Payment Phrases L/C,T/T
eleven)Packing chains packing in common export carton, also can packing as your requirement

Our Services

Pre-sales:
1. OEM &ODM support
2. Any of your sort inquiry would be replied inside of 24 hrs.
three. Total solution information will be presented
4. Cost-free sample will be sent if you require .
5. Any other sensible needs as for every asked for
 
Throughout generation ,we provide:
one. Schedule of generation
two. Mass manufacturing picture will presented
three. Any other sensible requirements as for each requested
 
Finish creation:
one. Courier monitoring number
two. Paperwork you need 
three. Protection of your revenue location, suggestions of design and all your non-public information.

FAQ:

Q1: Do you inspect the completed products?
A: Sure, every single phase of creation and finished merchandise will be carried out inspection by QC departing before transport.
Q2: What is the warranty of your products?
A: Generally we assure 1 calendar year after delivery day, but depending on the specified merchandise.
Q3: Are you company or Trade Firm?
A: The two we are. We have been in motorcycle areas for almost 20 many years.
This autumn: How to go to manufacturing facility?
A: Leave us a message, and we will select you up by vehicle for free of charge.
Q5: Can you do customized symbol on the chain?
A: Indeed,we can do personalized logos by molding. Want your Authorization Letter.
make sure you make contact with with me  at any time
 
 

Dress in measurements can be produced to figure out if the chain is stretched to the duration that requirements to be changed. To make sure precise final results, the duration of the roller chain need to be measured even though the chain is beneath stress. If the chain is even now currently being calculated on the sprocket, the method have to be shut down and all basic safety techniques adopted. The restricted span of the chain is the part that must be measured. If the chain has been taken off from the sprockets, a measured load as specified by ANSI ought to be utilized to the chain tchain lubrication
Lubrication of chain drives is dependent on application, temperature, linear speed of the chain, and so on.
effect on utilization
Open up transmission, these kinds of as various types of blend harvesters, windrowers and other chains should be greased.
Enclosed drives, these kinds of as wander tractor chain drives, need to be lubricated.
temperature impact
It is generally advisable to use lubrication in the variety of -5℃~+60℃.
Use reduced-viscosity oil in winter and substantial-viscosity oil in summertime.
Linear velocity impact
The lubrication strategy is straight related to the linear pace of the chain,
You should refer to the lubrication approach chosen on the appropriate for specifics.
o get rid of slack. Measure as close as possible from the heart of one particular pin to the center of the other. The much more spacing (pins) incorporated in the measurement, the higher the accuracy. If the measured worth exceeds the nominal worth by much more than the allowable percentage, the chain should be replaced. Based on the sprocket design and style, the maximum allowable put on elongation for most industrial programs is about 3%. The allowable chain use share for a large sprocket of 68 enamel or greater can be calculated making use of the adhering to connection: two hundred/N, exactly where N is the quantity of tooth on the massive sprocket. This relationship is frequently helpful simply because the regular highest allowable chain dress in elongation of 3% is only valid for a greatest of 67 teeth in the large sprocket. Use need to be limited to roughly 1.5% for drives with a mounted center distance, chains operating in parallel, or drives that call for a smoother procedure. Example: If you evaluate 12 pitches (twelve pins) of a #80 chain and it reads 12.360 inches or increased (using 3% as the maximum allowable put on), the chain should be changed. Most industry expectations still accept any measurement considerably less than 12.360 inches.

China best Roller Chains for Agricultural Machinery     with Free Design Custom