Tag Archives: heavy duty chain

China high quality Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain

Product Description

Agricultural Machinery Chains of Steel

PRODUCT DETAILS

Product Parameters

Product Name Agricultural Machinery Roller Chain
Standard GB, ISO, ANSI, DIN
Material Carbon steel, Alloy, Stainless Steel
Surface Treatment Heat treatment, Sand-blasted, Shot-peening
Certifications ISO9001:2015, GB/T19001-2016, ISO1400:2015
Tensile Strength High strength
Packaging Plastic Bag+ Carton+Wooden Case
Application Agricultural Machinery

More Products

Advantage

Certifications

DETAILS ABOUT CHINAMFG CHAIN 

Exhibition

Workshop

Application

Packaging Details

Shipping

FAQ      

1. Are you a manufacturer or trade Company?
We are a factory founded in 1997 with a trade team for international service.

2. What terms of payment do you usually use?
T/T 30% deposit and 70% against document, Western Union, L/C at sight

3. What is your lead time for your goods?
Normally 35 days after confirmed order. 30 days could be available in the low season for some items (during May to July), and 45 days during the new year and hot season ( Jan to March).

4. Samples
For customers who need sample confirmation before ordering, please bear in mind that the following policy will be adopted:
1) All samples are free of charge with a maximum value not exceeding USD 100.
2) The courier cost for the first-time sample sending will be charged by the consignee. We will send the samples with freight to be collected. So please inform your account with FedEx, UPS, DHL, or TNT so that we can proceed promptly.
3) The first-time courier cost will be totally deducted from the contract value of the trial cooperation.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Nonstandard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery
Surface Treatment: Polishing
Structure: Roller Chain
Material: Stainless Steel
Type: Agricultural Chain
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

mechanical

Can a mechanical chain be used for heavy-duty applications?

Yes, a mechanical chain can be used for heavy-duty applications. Mechanical chains are designed to withstand high loads and provide reliable power transmission in demanding industrial settings. Here are some reasons why mechanical chains are suitable for heavy-duty applications:

  • Strength and durability: Mechanical chains are made from high-strength materials such as alloy steel or stainless steel, which give them excellent tensile strength and durability to handle heavy loads.
  • Wide range of sizes and capacities: Mechanical chains are available in various sizes and configurations to accommodate different load capacities. They can be selected based on the specific requirements of the heavy-duty application.
  • Effective power transmission: Mechanical chains efficiently transfer power from the driver sprocket to the driven sprocket, ensuring reliable performance even under heavy loads.
  • Ability to handle shock loads: Mechanical chains are designed to absorb and distribute shock loads, which is crucial in heavy-duty applications where sudden impacts or changes in load can occur.
  • Options for specialized chains: There are specialized types of mechanical chains available for specific heavy-duty applications, such as roller chains for conveying heavy materials or conveyor chains for material handling systems.

When selecting a mechanical chain for heavy-duty applications, it’s important to consider factors such as the load capacity, operating conditions, lubrication requirements, and maintenance considerations. Additionally, proper installation, tensioning, and regular inspection of the chain are essential to ensure optimal performance and longevity in heavy-duty applications.

mechanical

Can a mechanical chain be used for vertical lifting applications?

Yes, a mechanical chain can be used for vertical lifting applications in certain circumstances. However, it is essential to consider several factors to ensure safe and efficient lifting operations. Here are some detailed explanations:

A mechanical chain used for vertical lifting is typically referred to as a “lifting chain” or “hoisting chain.” Lifting chains are designed and manufactured to meet specific safety standards and regulations to ensure their suitability for lifting applications.

When considering the use of a mechanical chain for vertical lifting, the following factors should be considered:

  • Chain Design and Strength: Lifting chains are specially designed and constructed to withstand the stresses and forces involved in lifting operations. They are typically made from high-strength alloy steel and feature specific chain configurations, such as grade, pitch, and diameter, to provide the necessary load-bearing capacity.
  • Load Capacity and Working Load Limit (WLL): It is crucial to select a lifting chain with an appropriate load capacity for the intended lifting application. The working load limit (WLL) specifies the maximum load that the chain can safely lift under normal operating conditions. Exceeding the WLL can result in chain failure and potential accidents.
  • Attachments and End Fittings: Lifting chains often incorporate end fittings or attachments, such as hooks, shackles, or master links, to facilitate connection to the load and lifting equipment. These attachments should be selected and used in accordance with applicable safety standards and guidelines.
  • Safety Factors and Regulations: Lifting operations involving mechanical chains are subject to various safety regulations and standards, such as those set by occupational safety organizations and government authorities. These regulations specify requirements for equipment selection, inspection, maintenance, and safe operating practices. It is important to adhere to these regulations to ensure the safety of personnel and proper lifting operations.
  • Inspection and Maintenance: Regular inspection and maintenance of the lifting chain are essential to ensure its continued safe and reliable operation. Visual inspections, load testing, and verification of compliance with safety standards should be performed at regular intervals by qualified personnel.

It is crucial to consult with qualified professionals and adhere to applicable regulations and guidelines when using a mechanical chain for vertical lifting applications. They can provide specific guidance based on the requirements of the lifting task, ensuring the selection and safe use of the appropriate lifting chain.

China high quality Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain  China high quality Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain
editor by CX 2024-05-07

China supplier Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain

Product Description

Agricultural Machinery Chains of Steel

PRODUCT DETAILS

Product Parameters

Product Name Agricultural Machinery Roller Chain
Standard GB, ISO, ANSI, DIN
Material Carbon steel, Alloy, Stainless Steel
Surface Treatment Heat treatment, Sand-blasted, Shot-peening
Certifications ISO9001:2015, GB/T19001-2016, ISO1400:2015
Tensile Strength High strength
Packaging Plastic Bag+ Carton+Wooden Case
Application Agricultural Machinery

More Products

Advantage

Certifications

DETAILS ABOUT CHINAMFG CHAIN 

Exhibition

Workshop

Application

Packaging Details

Shipping

FAQ      

1. Are you a manufacturer or trade Company?
We are a factory founded in 1997 with a trade team for international service.

2. What terms of payment do you usually use?
T/T 30% deposit and 70% against document, Western Union, L/C at sight

3. What is your lead time for your goods?
Normally 35 days after confirmed order. 30 days could be available in the low season for some items (during May to July), and 45 days during the new year and hot season ( Jan to March).

4. Samples
For customers who need sample confirmation before ordering, please bear in mind that the following policy will be adopted:
1) All samples are free of charge with a maximum value not exceeding USD 100.
2) The courier cost for the first-time sample sending will be charged by the consignee. We will send the samples with freight to be collected. So please inform your account with FedEx, UPS, DHL, or TNT so that we can proceed promptly.
3) The first-time courier cost will be totally deducted from the contract value of the trial cooperation.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Nonstandard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery
Surface Treatment: Polishing
Structure: Roller Chain
Material: Stainless Steel
Type: Agricultural Chain
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

mechanical

What are the advantages of using a silent chain over a traditional mechanical chain?

Silent chains, also known as inverted-tooth chains or silent synchronous chains, offer several advantages over traditional mechanical chains. Here are some key benefits:

  • Reduced noise: Silent chains are designed to operate quietly, hence the name. The unique tooth profile and precise engagement between the chain and sprockets minimize noise and vibration, making them ideal for applications where noise reduction is important.
  • Smooth operation: Silent chains provide smooth and precise power transmission due to their accurate tooth engagement. This results in improved performance and reduced wear on components, leading to longer chain life and enhanced system reliability.
  • High-speed capability: Silent chains can operate at high speeds without compromising their performance. Their design allows for efficient power transmission even at elevated rotational speeds, making them suitable for applications that require fast and precise motion.
  • Excellent load-carrying capacity: Silent chains are capable of handling high loads and transmit power effectively. The robust construction and tooth engagement design enable them to withstand heavy loads and provide reliable power transmission in demanding industrial applications.
  • Backlash-free operation: Silent chains have minimal or no backlash, which means they offer precise and accurate motion control. This is particularly beneficial in applications where precise positioning or synchronization is required, such as robotics, automation, or machine tools.
  • Low maintenance: Silent chains typically require minimal maintenance due to their durable construction and precise tooth engagement. They are designed to resist stretching and elongation, resulting in longer intervals between tensioning and adjustment.
  • Wide range of applications: Silent chains are versatile and find applications in various industries, including automotive, industrial machinery, robotics, printing, and packaging. They are suitable for both power transmission and motion control applications.

Overall, the advantages of using a silent chain, such as reduced noise, smooth operation, high-speed capability, excellent load-carrying capacity, and low maintenance, make them a preferred choice in many industrial applications where precise and reliable power transmission is required.

mechanical

What safety precautions should be followed when working with mechanical chains?

Working with mechanical chains involves inherent risks, and it is important to follow proper safety precautions to ensure the well-being of individuals and the safe operation of the equipment. Here are some important safety precautions to consider:

  • Training and Familiarity: Ensure that all personnel working with mechanical chains are adequately trained and familiar with the equipment’s operation, maintenance, and safety procedures. They should understand the risks associated with chain operation and know how to handle the equipment safely.
  • Protective Equipment: Wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and protective clothing when working with mechanical chains. PPE can help protect against potential injuries from flying debris, sharp edges, or pinching hazards.
  • Lockout/Tagout: Follow lockout/tagout procedures to isolate and de-energize the equipment before performing any maintenance or repair tasks on the chain system. This prevents accidental startup or movement of the chain, reducing the risk of serious injuries.
  • Proper Lifting Techniques: When handling heavy chains or chain components, use proper lifting techniques to prevent strain or back injuries. Use lifting equipment, such as hoists or cranes, when necessary.
  • Maintain Clear Work Area: Keep the work area around the chain system clear of obstacles, clutter, and unnecessary personnel. This helps minimize the risk of tripping hazards and allows for safe operation and maintenance.
  • Regular Inspections: Conduct regular inspections of the chain system to identify any signs of wear, damage, or malfunction. Address any issues promptly to prevent accidents or equipment failures.
  • Follow Manufacturer’s Guidelines: Adhere to the manufacturer’s instructions, recommendations, and safety guidelines specific to the mechanical chain and the equipment it is used in. This includes proper installation, maintenance, and lubrication practices.

It is essential to develop and implement a comprehensive safety program that addresses the specific hazards associated with working with mechanical chains. This program should include training, regular equipment inspections, and a reporting system for identifying and addressing safety concerns.

Always prioritize safety when working with mechanical chains, and consult applicable safety regulations and guidelines in your region to ensure compliance with the industry standards.

China supplier Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain  China supplier Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain
editor by CX 2024-04-23

China Custom Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain

Product Description

Agricultural Machinery Chains of Steel

PRODUCT DETAILS

Product Parameters

Product Name Agricultural Machinery Roller Chain
Standard GB, ISO, ANSI, DIN
Material Carbon steel, Alloy, Stainless Steel
Surface Treatment Heat treatment, Sand-blasted, Shot-peening
Certifications ISO9001:2015, GB/T19001-2016, ISO1400:2015
Tensile Strength High strength
Packaging Plastic Bag+ Carton+Wooden Case
Application Agricultural Machinery

More Products

Advantage

Certifications

DETAILS ABOUT CHINAMFG CHAIN 

Exhibition

Workshop

Application

Packaging Details

Shipping

FAQ      

1. Are you a manufacturer or trade Company?
We are a factory founded in 1997 with a trade team for international service.

2. What terms of payment do you usually use?
T/T 30% deposit and 70% against document, Western Union, L/C at sight

3. What is your lead time for your goods?
Normally 35 days after confirmed order. 30 days could be available in the low season for some items (during May to July), and 45 days during the new year and hot season ( Jan to March).

4. Samples
For customers who need sample confirmation before ordering, please bear in mind that the following policy will be adopted:
1) All samples are free of charge with a maximum value not exceeding USD 100.
2) The courier cost for the first-time sample sending will be charged by the consignee. We will send the samples with freight to be collected. So please inform your account with FedEx, UPS, DHL, or TNT so that we can proceed promptly.
3) The first-time courier cost will be totally deducted from the contract value of the trial cooperation.

Standard or Nonstandard: Nonstandard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery
Surface Treatment: Polishing
Structure: Roller Chain
Material: Stainless Steel
Type: Agricultural Chain
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

mechanical

How to calculate the power requirements for a mechanical chain drive?

Calculating the power requirements for a mechanical chain drive involves considering several factors related to the application and the chain drive system. Here’s a step-by-step process:

  1. Determine the operating conditions: Identify the specific operating conditions of the chain drive system, including the speed of the drive, the torque required to transmit, and the desired service life of the chain.
  2. Calculate the required torque: The torque requirement is typically derived from the load being transmitted by the chain drive. Consider the rotational speed and the load characteristics to calculate the required torque.
  3. Select a suitable chain type: Based on the torque requirement and the operating conditions, choose an appropriate mechanical chain that can handle the load and transmit power efficiently.
  4. Consider the efficiency: Mechanical chain drives have efficiency ratings that indicate how effectively they transfer power. Consider the efficiency of the chosen chain drive system in your calculations.
  5. Calculate the power requirements: Multiply the required torque by the rotational speed to calculate the power required for the mechanical chain drive. The power is given by the formula:

Power (in watts) = Torque (in Newton-meters) x Speed (in radians per second)

Alternatively, if the rotational speed is given in revolutions per minute (RPM), convert it to radians per second using the formula:

Speed (in radians per second) = Speed (in RPM) x (2π/60)

By following these steps and considering the specific operating conditions and requirements of the chain drive system, you can accurately calculate the power requirements for a mechanical chain drive.

mechanical

Can a mechanical chain be used in high-temperature environments?

Yes, mechanical chains can be used in high-temperature environments depending on the type of chain and the specific operating conditions. However, it is important to consider certain factors and take appropriate measures to ensure the chain’s performance and longevity. Here are some detailed considerations:

  • Chain Material: The choice of chain material is crucial when dealing with high temperatures. Chains made from heat-resistant alloys or materials such as stainless steel or nickel-plated steel are commonly used in high-temperature applications.
  • Lubrication: Proper lubrication is essential for reducing friction, protecting against wear, and maintaining the chain’s performance in high-temperature environments. Special high-temperature lubricants that can withstand the operating conditions should be used.
  • Heat Dissipation: Heat generated during operation should be effectively dissipated to prevent excessive chain temperature. Adequate ventilation or cooling systems can help in dissipating heat and maintaining the chain’s temperature within acceptable limits.
  • Chain Design and Components: The design of the chain and its components should consider the thermal expansion and contraction that occurs at high temperatures. It is important to choose materials and construction methods that can accommodate these changes without compromising the chain’s integrity.
  • Insulation and Protection: In some cases, insulation or protective measures may be required to shield the chain from direct exposure to high temperatures or to prevent the transfer of heat to other sensitive components.
  • Regular Inspection and Maintenance: High-temperature applications can accelerate wear and degradation of the chain. Regular inspection and maintenance, including checking for signs of wear, lubrication replenishment, and component replacement, are essential to ensure safe and reliable operation.

It is important to consult with chain manufacturers or experts who specialize in high-temperature applications to select the appropriate chain type and configuration based on the specific temperature requirements and operating conditions of your application.

Note that the maximum temperature capability of a mechanical chain will depend on factors such as chain material, lubrication, design, and load conditions. Exceeding the recommended temperature limits can result in chain failure, accelerated wear, and reduced performance.

China Custom Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain  China Custom Superior Quality Agricultural Conveyor Heavy Duty Industrial Mechanical Chain Ca Type Agricultural Chain
editor by CX 2023-10-30

China Hot selling Heavy Duty Industrial Machinery General Hardware Parts 240b Roller Chain with High Precision Wear Resistant

Product Description

CZPT roller chain is 1 of the most widely used and welcome products in the market. Its continuous innovative development is suitable to be the solutions for many conditions, standard roller chains, motorcycle driving chain, O-ring motorcycle chain, high strength roller chain, conveyor chains, agricultural driving chain, galvanized chain, nickel-plated chain, lubrication-free chain and oilfield chain etc.
Our CZPT chain was produced by machinery processing from raw materials to finished products and a full set of quality testing equipment. Mechanical processing equipment include grinding machines, high speed punching machines, milling machines, high speed automatic rolling and assembling machine. Heat treatment was processed by continuous mesh belt conveyor furnace, mesh belt conveyor annealing furnace, advanced central control system of heat treatment, rotary CZPT for chain component heat treatment, which ensure the stability and consistency of the key function of chain components.
We are the best suppliers of Chinese largest palletizing robot enterprises. These items are durable quality with affordable prices, replace of Japan chains, ZheJiang chains exported to Europe, America, Asia and other countries and regions.
 

Product Name Short-pitch precision roller and bush chains
Model 04C, 06C, 085, 08A, 10A, 12A, 16A, 20A, 24A, 28A, 32A, 36A, 40A, 48A      25, 35, 41, 40, 50~240             
06B, 08B, 10B, 12B, 16B, 20B, 24B, 28B, 32B, 40B, 48B, 56B, 64B, 72B Simplex, Duplex, Triplex, Quadruplex
Material carbon steel, alloy steel, stainless steel, nylon
Design style Customize and standard
Quality approved ISO90001, SGS
Surface Treatment rust-preventative oil
Shipping Type sea & air
Packaging carton, wooden case, pallet

Workshop Show

Package & Delivery

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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mechanical

Can a mechanical chain be used for heavy-duty applications?

Yes, a mechanical chain can be used for heavy-duty applications. Mechanical chains are designed to withstand high loads and provide reliable power transmission in demanding industrial settings. Here are some reasons why mechanical chains are suitable for heavy-duty applications:

  • Strength and durability: Mechanical chains are made from high-strength materials such as alloy steel or stainless steel, which give them excellent tensile strength and durability to handle heavy loads.
  • Wide range of sizes and capacities: Mechanical chains are available in various sizes and configurations to accommodate different load capacities. They can be selected based on the specific requirements of the heavy-duty application.
  • Effective power transmission: Mechanical chains efficiently transfer power from the driver sprocket to the driven sprocket, ensuring reliable performance even under heavy loads.
  • Ability to handle shock loads: Mechanical chains are designed to absorb and distribute shock loads, which is crucial in heavy-duty applications where sudden impacts or changes in load can occur.
  • Options for specialized chains: There are specialized types of mechanical chains available for specific heavy-duty applications, such as roller chains for conveying heavy materials or conveyor chains for material handling systems.

When selecting a mechanical chain for heavy-duty applications, it’s important to consider factors such as the load capacity, operating conditions, lubrication requirements, and maintenance considerations. Additionally, proper installation, tensioning, and regular inspection of the chain are essential to ensure optimal performance and longevity in heavy-duty applications.

mechanical

What safety precautions should be followed when working with mechanical chains?

Working with mechanical chains involves inherent risks, and it is important to follow proper safety precautions to ensure the well-being of individuals and the safe operation of the equipment. Here are some important safety precautions to consider:

  • Training and Familiarity: Ensure that all personnel working with mechanical chains are adequately trained and familiar with the equipment’s operation, maintenance, and safety procedures. They should understand the risks associated with chain operation and know how to handle the equipment safely.
  • Protective Equipment: Wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and protective clothing when working with mechanical chains. PPE can help protect against potential injuries from flying debris, sharp edges, or pinching hazards.
  • Lockout/Tagout: Follow lockout/tagout procedures to isolate and de-energize the equipment before performing any maintenance or repair tasks on the chain system. This prevents accidental startup or movement of the chain, reducing the risk of serious injuries.
  • Proper Lifting Techniques: When handling heavy chains or chain components, use proper lifting techniques to prevent strain or back injuries. Use lifting equipment, such as hoists or cranes, when necessary.
  • Maintain Clear Work Area: Keep the work area around the chain system clear of obstacles, clutter, and unnecessary personnel. This helps minimize the risk of tripping hazards and allows for safe operation and maintenance.
  • Regular Inspections: Conduct regular inspections of the chain system to identify any signs of wear, damage, or malfunction. Address any issues promptly to prevent accidents or equipment failures.
  • Follow Manufacturer’s Guidelines: Adhere to the manufacturer’s instructions, recommendations, and safety guidelines specific to the mechanical chain and the equipment it is used in. This includes proper installation, maintenance, and lubrication practices.

It is essential to develop and implement a comprehensive safety program that addresses the specific hazards associated with working with mechanical chains. This program should include training, regular equipment inspections, and a reporting system for identifying and addressing safety concerns.

Always prioritize safety when working with mechanical chains, and consult applicable safety regulations and guidelines in your region to ensure compliance with the industry standards.

China Hot selling Heavy Duty Industrial Machinery General Hardware Parts 240b Roller Chain with High Precision Wear Resistant  China Hot selling Heavy Duty Industrial Machinery General Hardware Parts 240b Roller Chain with High Precision Wear Resistant
editor by CX 2023-09-13

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