Tag Archives: roller chains pitch

China Good quality High Strength Short Pitch Precision 60h-3 Heavy Duty Series Triplex Roller Chains

Product Description

Heavy Duty Series Triplex Roller Chains & Bush Chains

 

ISO/ANSI

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
60H-3 19.050 11.91 12.57 5.94 81.4 83.2 18.00 3.25 26.11 95.4/21682 113.9 5.54

Chain Pictures

 

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 CHINAMFG 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 CHINAMFG 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 CHINAMFG 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 CHINAMFG 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.
Company Certificates

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 CHINAMFG 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 CHINAMFG range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.

/* 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

Usage: Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain
Material: Stainless steel
Surface Treatment: Polishing
Samples:
US$ 0/Meter
1 Meter(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

heavy duty chain

What are the limitations of using heavy-duty chains in certain applications?

While heavy-duty chains are versatile and well-suited for many applications, there are some limitations to consider when using them in certain scenarios:

1. Weight and Size: Heavy-duty chains can be large and heavy, which may not be suitable for applications with limited space or weight restrictions.

2. Noise and Vibration: Due to their rugged design and high strength, heavy-duty chains can generate more noise and vibration compared to other chain types. This may be a concern in applications where noise reduction is essential.

3. Cost: Heavy-duty chains often come with higher manufacturing costs due to the use of premium materials and precision engineering. As a result, they may not be the most cost-effective solution for some low-load or less demanding applications.

4. Corrosion: While some heavy-duty chains are made from corrosion-resistant materials, others may be more susceptible to rust and corrosion in harsh environments. Proper maintenance and lubrication are essential to extend the chain’s lifespan in such conditions.

5. Operating Speed: Heavy-duty chains may have limitations in terms of operating speed compared to specialized high-speed chains. In applications requiring rapid movement, it’s essential to select the appropriate chain type.

6. Flexibility: The robust design of heavy-duty chains offers strength but may limit flexibility. In applications where the chain needs to traverse complex paths or tight bends, alternative chain designs may be more suitable.

7. Environmental Considerations: Heavy-duty chains may not be the best choice in environments with stringent environmental regulations or where lightweight, eco-friendly alternatives are preferred.

Despite these limitations, heavy-duty chains remain an excellent choice for many demanding applications, providing durability, reliability, and high performance under challenging conditions.

heavy duty chain

Can heavy-duty chains be used in railway maintenance and repair equipment?

Yes, heavy-duty chains can be used in railway maintenance and repair equipment. Railway maintenance and repair require robust and reliable equipment to handle the heavy loads and demanding conditions involved in servicing railway tracks, switches, and other infrastructure.

Heavy-duty chains are well-suited for such applications due to their high strength, durability, and resistance to wear and tear. They can efficiently handle the forces generated during railway maintenance tasks, such as lifting heavy sections of track, tensioning cables, or operating machinery used for track alignment.

In railway equipment, heavy-duty chains are often employed in conjunction with sprockets and other components to create a dependable and efficient power transmission system. The chains’ ability to transmit power smoothly and consistently makes them ideal for operating various railway maintenance and repair machines.

Furthermore, heavy-duty chains can withstand the challenges of working outdoors in different weather conditions and environments. They are designed to resist corrosion and are often equipped with special coatings or plating to enhance their durability.

When using heavy-duty chains in railway maintenance equipment, proper lubrication and maintenance are essential to ensure optimal performance and longevity. Regular inspections and replacement of worn or damaged components will help prevent unexpected failures and ensure safe and efficient operation.

In conclusion, heavy-duty chains are a reliable choice for powering and operating railway maintenance and repair equipment, contributing to the efficiency and effectiveness of railway maintenance tasks.

heavy duty chain

Can heavy-duty chains be repaired or must they be completely replaced?

Whether heavy-duty chains can be repaired or need complete replacement depends on the extent of damage or wear they have sustained. In some cases, minor issues can be repaired, but in others, replacement may be the only viable option. Here’s a breakdown of the situations:

  • Repair: Some minor issues, such as minor corrosion, damaged links, or worn pins, can be repaired by skilled professionals using specialized tools and techniques. However, the repair must be done following the manufacturer’s guidelines and standards to ensure the chain’s integrity and performance.
  • Replacement: There are situations where the heavy-duty chain is severely worn, damaged, or has experienced fatigue due to heavy usage. In such cases, repair might not be feasible or safe, and the chain should be completely replaced to avoid the risk of failure and potential accidents.

It’s essential to have a qualified professional assess the condition of the heavy-duty chain to determine the most suitable course of action. Regular maintenance and prompt attention to any signs of wear or damage can help identify potential issues early, increasing the chances of successful repairs and preventing the need for complete replacement.

China Good quality High Strength Short Pitch Precision 60h-3 Heavy Duty Series Triplex Roller Chains  China Good quality High Strength Short Pitch Precision 60h-3 Heavy Duty Series Triplex Roller Chains
editor by CX 2024-04-30

China wholesaler Drive chain conveyor drives standard pitch industrial heavy-duty carbon steel roller chains

Product Description

Drive chain conveyor drives standard pitch industrial heavy-duty carbon steel roller chains 

Product introduction

Material Carbon steel, alloy steel
Surface Treatment Polishing,Original Colour,Polishing
Applicable Industries Building Material Shops, Manufacturing Plant, Machinery ………
Standard or Nonstandard Standard
Heat Treatment: High Temperature Hardening
Color Elf,dark yellow,dark blue,black
Features

•Large reduction ratio (usually up to 1:7)
•Chains can be used with long shaft center distances (normally up to 4m). By changing the number of links it is possible to freely adjust the shaft center distance.
•The chain can be used on both sides and drive multiple shafts at the same time.
•Easy installation and replacement (easy to cut and connect chains).
•If the distance between shafts is short, it can be used vertically.
•The sprocket diameter of a chain drive could be smaller than a belt pulley while transmitting the same torque.
•Transmitting power by meshing many teeth results in less wear of sprocket teeth than gears.
•Chain drives have greater shock absorption than gear drives.

 

HIGH STHangZhouRD HEAT TREATMENT

Through high standards,strictly control the heat,improve the hardness/strength and provide service life.

STHangZhouRD THICKNESS CHAIN PIECE

The thickness is customized from raw material chain plate in strict accordance with the standard

HIGH QUALITY MATERIAL

Beautiful and corrosion-resistant, the product surface is treated with rust prevention, beautiful and simple!

STHangZhouRD CHINAMFG PIN

Cutting in strict accordance with the standard, second screening,
and never cut corners

Green Power Industry Co Llimited is an international export enterprise combined with factory specializing in the manufacturing of brake system , clutch system,spark plug and chain . Our company is a professional manufacturer and supplier of brake,chain and clutch in China. We both have our own brake CHINAMFG factory, brake pad factory, brake shoe factory ,clutch disc factory,chain factory, spark plug factory .We focus on developing high-quality products for OEM market ,Our company have developed and produced high quality brake in formula non -metallic and asbestos free for automobile and brake shoe assembly for heavy duty truck . The production are noted good characteristics such as high strength , high heat-resisting , wear-resisting.low dust virtue ,no noise and better stability . The series products had been exporting to North -America ,Europe ,Middle -East ,Australia and etc, widely sale to domestic OEM factories and aftermarket.

Our company is composed of professional team , process advanced production inspection and testing equipment Each product have passed the first inspection, process inspection, error prevention, and laboratory tests to ensure that each piece of qualified products sent to customers

We are determined to set up the aim of “excellent quality and satisfying service·, with·the first class quality , reasonable price and perfect service . we set strick demand and operate conforming to the standard to guarantee all the products can be meet our customer’s needs
1.Q: What is the certificate of your factory?
   A: We have passed IAF ISO and TS16949  certification.

2.Q: Can it be produced according to the sample?
   A: Yes, we can produce through your samples or technical drawings. We can build molds and fixtures.

3.Q: Do you test all products before shipping?
   A: Yes, we conduct 100% quality testing before delivery, and we are 100% responsible for product quality.

4.Q: What is your delivery time?
   A:If we have stock, we can send it immediately within a week. If not, it usually ranges from 7 days to 35 days, depending on the quantity.

5.Q: What is your sample policy?
   A: We want to provide you with samples for approval. There will be no charge for 1 or 2 samples, but the customer needs to bear the courier fee first. 
It will be drawback to customer when order placed

6.Q: How do you make our business establish a long-term good cooperative relationship?
   A:1. We maintain excellent quality and competitive prices to ensure that our customers benefit;
      2. We respect every customer as our friend, we do business sincerely and make friends widely,No matter where they come from. 
 

Usage: Transmission Chain, Conveyor Chain
Material: Carbon steel, alloy steel
Surface Treatment: Polishing
Feature: Heat Resistant
Chain Size: 1/2"*3/32"
Structure: Roller Chain
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

heavy duty chain

How do heavy-duty chains handle side loads and lateral forces?

Heavy-duty chains are designed to handle not only axial loads (tension and compression along the chain’s axis) but also side loads and lateral forces. These chains are engineered with specific features that enable them to effectively manage side loads:

  • Thicker Plates: Heavy-duty chains typically have thicker plates compared to standard chains. The increased plate thickness enhances the chain’s resistance to bending and lateral forces.
  • Greater Tensile Strength: Heavy-duty chains are made from high-strength materials, and their construction allows them to withstand higher tensile loads from different directions, including side loads.
  • Enhanced Bushings and Pins: The bushings and pins in heavy-duty chains are more robust, reducing the risk of deformation or failure when subjected to lateral forces.
  • Side Bow Feature: Some heavy-duty chains are designed with a side bow feature, which allows them to better accommodate misalignment and side loads without becoming jammed or damaged.

These features collectively enable heavy-duty chains to handle lateral forces and side loads that may arise in various applications, such as agricultural machinery, construction equipment, and material handling systems. They provide a reliable and durable solution for industries that require chains to cope with complex loading conditions and dynamic forces.

heavy duty chain

Can heavy-duty chains be used in heavy-duty lifting and rigging applications?

Yes, heavy-duty chains are widely used in heavy-duty lifting and rigging applications due to their exceptional strength and durability. These chains are specifically designed to handle heavy loads and are well-suited for various rigging tasks, including hoisting, pulling, and securing heavy objects.

The key features that make heavy-duty chains suitable for such applications include:

  • High Load Capacity: Heavy-duty chains are engineered to withstand extremely high loads, making them ideal for lifting and rigging heavy machinery, equipment, and materials.
  • Robust Construction: These chains are made from high-quality materials and undergo heat treatment processes to enhance their strength and toughness, ensuring they can withstand the stresses of heavy lifting operations.
  • Versatility: Heavy-duty chains come in various configurations, such as single, double, or triple strand designs, to accommodate different load requirements and rigging setups.
  • Safety Considerations: When using heavy-duty chains for lifting and rigging, it is essential to follow industry safety standards and guidelines to ensure the safety of personnel and equipment.

Heavy-duty chains find applications in industries such as construction, manufacturing, mining, and offshore operations. They are commonly used in cranes, winches, hoists, and other lifting devices to move and position heavy objects safely and efficiently.

When selecting heavy-duty chains for lifting and rigging applications, it is crucial to consider factors such as the working load limit (WLL), chain size, and compatibility with the lifting equipment. Regular inspection and maintenance are also essential to ensure the chains remain in good working condition and can perform reliably in heavy-duty lifting and rigging operations.

heavy duty chain

How does a heavy-duty chain differ from a standard chain in terms of design and strength?

A heavy-duty chain differs from a standard chain in several aspects of design and strength. Here are the key differences:

1. Design: The design of a heavy-duty chain is specifically engineered to handle heavy loads and harsh conditions. It typically has larger and thicker components, including plates, pins, and rollers, compared to a standard chain.

2. Material: Heavy-duty chains are usually made from high-quality materials such as alloy steel, stainless steel, or carbon steel with higher tensile strength and better resistance to wear and fatigue. In contrast, standard chains may use more basic materials with lower strength.

3. Strength: Heavy-duty chains are designed to withstand significantly higher loads and forces than standard chains. They are built to handle heavy impact loads and extreme conditions without failure.

4. Durability: Due to their robust construction and high-quality materials, heavy-duty chains offer superior durability and longevity compared to standard chains. They can endure repeated use and demanding applications without premature wear or stretching.

5. Application: Heavy-duty chains are commonly used in industries and applications that involve heavy machinery, large equipment, and extreme operating conditions. They are ideal for applications where standard chains may not be sufficient to handle the load or endure the environment.

6. Safety Margin: Heavy-duty chains often have a higher safety margin, which means they are designed to operate well below their maximum load capacity. This safety margin ensures added safety and prevents chain failure even during unexpected overloads.

7. Price: Given their more robust construction and higher-quality materials, heavy-duty chains are typically more expensive than standard chains.

In summary, heavy-duty chains are engineered for heavy-duty applications, offering greater strength, durability, and safety compared to standard chains. They are the preferred choice for industries that require reliable and high-performance chain systems to handle challenging and high-load situations.

China wholesaler Drive chain conveyor drives standard pitch industrial heavy-duty carbon steel roller chains  China wholesaler Drive chain conveyor drives standard pitch industrial heavy-duty carbon steel roller chains
editor by CX 2023-11-28

China wholesaler Ca Series Agricultural Chains Attachments ISO Standard Customized double pitch roller chain

Product Description

MODEL NO.: CA550, CA557, CA620, CA624, CA645Z etc.

HangZhou Power Transmission company has specialized producing chains and sprocket products for over
10 years. Rising from domestic market, now with abundant industry experience, it has become an important supplier and exporter in South China, and set up its own qualified brands.

QUALITY is the essence of long term business and support to our customers. Production is strictly controlled from origin, normal material choices : 45Mn, 30GeMnTi, #10, 20Mn, Stainless Steel, Customized material, through strict technique standards of ANSI, DIN, ISO.

Material chosen Well wire-cutting
Plate shot peening Bluing
Well through heat-treatment
Carburizing Quenching
Tempering
Oiling/greasing
Pre-stretched
Pre-running

XMPOWER mainly cover products as below:

Drive Chains A Series Short Pitch Precision Roller Chains B Series Short Pitch Precision Roller Chains
Heavy Series Short Pitch Roller Chains Short Pitch Straight Side Plate chains
Agricultural Chains and Attachments Oil field Roller Chains
Heavy-duty Cranked link Roller Chains AB Series Double Pitch Conveyor Roller Chains
Coupling Chains AB Series Straight Sidebar Roller Chain
Silent Chains PIV Chains
Conveyor Chains Double Pitch Stright Side Plate Conveyor Chains (A & B Series)
Double Pitch Large Roller Conveyor Chains (A & B Series)
Attachments A1, K1, SA1, SK1, WA1, WA2, WK1, WK2, AA1, KK1, SAA1, SKK1, D1, D3, etc.
Hollow Pin Chains (B/BUSH/ROLLER Type) Side Bow Roller Chains
Double Flex Chains Double Plus Chains
Sharp Top Chains Flat-top Chains
FV/FVT/FVC Series Conveyor chains M/MT/MC Series Conveyor chains
Side Roller Conveyor Chains Top Roller Conveyor Chains
Lumber Conveyor Chains Mining and Metallurgy Conveyor Chains
Leaf Chains AL Series Leaf Chains BL Series Leaf Chains
LL Series Leaf Chains  
Special Chains Palm Oil Chains Sugar Chains
Tobacco Machinery Chains Grain Machine Chains
Beer Bottling Conveyor Roller Chains Coal Chains
Crawler Asphalt Paver Conveyor Chains Cold Drink Food Processing Chains
Welded Steel Chains Water Dispose Chains
Motorcycle  Motorcycle chains  Engine Chains
SPROCKETS & Gear 1045 Steel Sprockets, ANSI/DIN standards Module Gears
Motorcycle sprockets Bevel Gears
Stainless Steel Sprockets Customized

All CZPT products are strictly checked before delivery to our customers. Tests have been conducted through material till finished product,

XMPOWER’s expertise and commitment will be 1 of best choices as your reliable chain supplier.

In the light of our vision and mission, we constantly value our each partner, and work closely with each other to achieve satisfied solutions. We look CZPT to forging strong partnership with you and ensure long term progress!

Contact: CZPT Huang/Sales Manager/Transmission Dept.
HangZhou POWER TRANSMISSION IMP.& EXP.CO.,LTD
Add.:  #19 Bldg, #158, Canglindong Rd, Xihu (West Lake) Dis. Industrial Zone, 361
Fax:
Web: xmpower

Standard or Nonstandard: Standard
Application: Agricultural Machinery
Surface Treatment: Polishing
Structure: Roller Chain
Material: Carbon Steel
Type: Short Pitch Chain
Samples:
US$ 0/Foot
1 Foot(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

chain

What to look for in a roller chain

There are many different factors to consider when purchasing a roller chain. One of the most important factors is tensile strength, which represents the force required to break the chain. Roller chains are available in three different tensile strengths: minimum, average and ultimate. Each strength reflects a different limit to the load the chain can handle. However, these limits are not always equal and you should be aware of the differences between roller chains.

Canonical chain

Most roller chains have standard sizes printed on the side panels. This is usually “40” or “C2080H”, but can also be the letter “B”. If the chain is old, it will need to be cleaned to see its size. You can find the size on the standard roller chain size chart, but not everyone is marked. To determine the size, measure the diameter and pitch of the chain, then compare the results to the chart to see what size you need.
Heavy-duty roller chains are available with heat-treated pins, side plates, and rollers. In addition to being heat treated, they are also factory pre-stretched, which reduces wear on these parts. If properly maintained, they can last for years, reducing the risk of failure or corrosion. Depending on the application, standard roller chains are available in different sizes. It can be purchased separately. There are several options to choose from, depending on the size and strength of the application.
PEER roller chains contain solid rollers to reduce shock loads on the sprocket teeth. Heat treating and preloading all components of the PEER chain helps minimize initial elongation. Hot-dip lubrication ensures complete lubrication of all chain components, extending their life and reducing maintenance costs. For heavy-duty applications, ASME/ANSI-B29.1 chain is a good choice.
Standard roller chains are made of steel or alloy steel. However, it can be made of other materials such as stainless steel. In addition to steel, stainless steel is often used in food processing machinery where chain lubrication is an issue. Brass and nylon are also sometimes used. However, they are not that popular. Therefore, you should always check with your supplier before purchasing. By comparing the tensile strength of two different chains and making an informed decision, you can get the best price and service.

Chain without bushing

Bushless roller chains have advantages over conventional roller chains. Unlike conventional chains, bushless chains have extensive lateral flexibility, which increases the chain’s lubrication flow. The inner plates of bushless chains have protruding shoulders so the oil can flow through them more easily and efficiently. This is an important characteristic of a smooth-running chain. Additionally, bushless chains may have improved shifting performance.
The strength of a bushingless roller chain is measured in terms of tensile strength and fatigue strength. The former measures the load a chain can withstand before breaking. Fatigue strength is equally important, and factors that affect fatigue strength include the steel used to make the chain components, the pitch hole fabrication, the type of shot peening on the chain, and the design and thickness of the chain. For example, if the chain is too thin, it may not be enough for heavy-duty applications.
Like traditional roller chains, bushingless roller chains have two different types of links. The inner link has two inner plates connected by pins, while the outer chain has two outer plates held together by bushings. A bushingless roller chain is similar to a traditional chain, except it eliminates a step in the assembly process by stamping the tube into the inner plate. So if you want a smoother ride, a bushingless roller chain is a better choice.
There are two different sizes of bushingless roller chains. One size is designed for use with standard single-strand chains, while the other size is designed for use with double-strand or triple-strand chains. Bushless chains are generally shorter than conventional chains, so they can fit in tighter spaces. Bushless chains are made of the highest quality materials. These chain attachments are case hardened for optimum strength and durability.

Mute chain

The silent roller chain has a smooth, low-noise drive. They are made of stacked rows of flat chainplates with a gear-like profile that meshes with the sprocket teeth. Each chainplate is attached to a corresponding sprocket, which also allows the chain to bend. While these basic components are the same for every silent roller chain, there are many variations that allow them to be used in a variety of applications.
The most popular high-speed transmission, silent chains feature gear-like sprockets. They can be made from single or multiple strands of material. Single-strand chains are less expensive than multi-strand chains, but they tend to wear out faster if not lubricated. Single-strand roller chains can be used for years without lubrication, but for your application, wide silent chains are still worth considering.
The design and construction of silent chains make them ideal for conveying a wide variety of products. They have flat, heat-resistant surfaces. They are also durable and non-slip. They are available in a variety of pitch sizes, widths, and mounting styles. Whether you need chains for general purpose conveyors or glass bottle transport applications, we have you covered. Ask about the benefits of silent roller chain conveyors.
Inverted tooth chains are another option for quieter chains. These chains are designed to reduce noise from engine-related friction. Silent chains are more common, and manufacturers have fallen in love with them. A silent chain consists of several links connected to the sprocket teeth. Teeth rotate to reduce noise, vibration, and chord action. These are the main reasons why silent chains are so popular.
chain

ANSI chain pitch

To measure your bike’s chain pitch, you can use a caliper. This measurement is taken from the center of the rolling pin to the center of the next rolling pin. Chains come in many sizes, but ANSI is the most common chain standard in the United States. A caliper is handy if you’re not sure which size to buy, as it allows you to check for worn sprockets.
Chains that meet ANSI standards will be characterized by a certain pitch. This measurement is based on the width and spacing of the roll. The spacing is usually greater than the width. The standard number will be the right number for the width of the chain or the left number for the rollers. The number on the left indicates whether the chain is lightweight or heavyweight. Heavyweight chains are designated by the suffix “H”.
Common chain sizes are based on ANSI chain pitch. Pitch is the minimum distance between bushing and sprocket. The smaller the chain pitch, the greater the total distance between the two points. This means the chain will last longer. However, if you are buying a chain for a specific application, you should check the pitch carefully as it can affect the performance of the chain.

Roller chain wear measurement

The purpose of roller chain wear measurement is to prevent breakage by monitoring the strain on the chain. There are several ways to measure roller chain wear. The first is to remove the chain from its working position and measure the distance from the sprocket to its measuring end. Another way is to measure the pitch of the chain or the distance between two pins. This method is superior to other methods because it is convenient and accurate.
When measuring the wear of a roller chain, it is important to note that the elements of the chain will gradually deform. About 3.75% of the total wear will be on the pins and the rest will be on the internal links. These wear measurements will vary based on the nominal pitch of the chain and the amount of friction the chain is experiencing. Proper lubrication between pins and bushings, load and frequency of articulation all affect wear rates.
It is important to measure the amount of wear on the roller chain to avoid excessive machine failures. The longer the chain runs, the more wear it will wear. Although the length of the chain should be less than the center distance, the excessive load will cause premature wear. Therefore, lubrication is essential. Additionally, the sag of the chain should not exceed 2% to 4% of its center-to-center distance. Finally, check for unusual noise or visible defects. A common cause of excessive roller chain wear is the size of the load. Every chain manufacturer sets a maximum workload for its product.
There are several ways to measure roller chain wear. If using a high-speed drive, it should have at least 11 teeth, and a medium-speed drive should have at least 25 teeth. Also, be sure to check the length of the chain, even if you should. The same goes for the pin diameter, which should be the same or different pitch as the roller chain.

China wholesaler Ca Series Agricultural Chains Attachments ISO Standard Customized   double pitch roller chainChina wholesaler Ca Series Agricultural Chains Attachments ISO Standard Customized   double pitch roller chain
editor by CX 2023-05-30

China Custom Stainless Steel Short Pitch Precision Roller Chains (A Series) ANSI/ISO Standard bush chain exercise

Product Description

MODEL NO.: SS04C,SS06C,SS08A,SS10A,SS12A,SS16A,SS20A,SS24A,SS28A,SS32A,SS36A,SS40A,SS48A
SS25,SS35,SS40,SS50,SS60,SS80,SS1
Fax:
Web: xmpower

Standard or Nonstandard: Standard
Application: Conveyer Equipment, Packaging Machinery, Food Machinery
Surface Treatment: Polishing
Structure: Roller Chain
Material: Stainless Steel
Type: Short Pitch Chain
Samples:
US$ 0/Foot
1 Foot(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

Choosing a drive chain for a belt conveyor

The drive chain is used to move heavy objects on the conveyor chain. Chains are magnetic, antistatic, high temperature, or chemical resistant, depending on the application. These types of drive chains are used in many different industries. A common machine that uses this type of drive is a chain hoist. Chain hoists are designed to lift heavy loads with minimal effort. Chains are often used to transport heavy loads.

roller chain

Whether using a roller chain as a drive chain or a belt conveyor can be tricky. Whether it’s a small low-speed drive with manual lubrication or a high-speed pump-lubricated drive with multiple sprockets, there are several factors to consider when choosing a roller chain. First, you need to consider motor horsepower and rpm. The speed of the motor determines how much chain you need. For example, if you are using a low-speed drive, you will need to choose a low-pitch, high-pitch chain. Another thing to consider is chain length – ideally, you can go for an even number of sprockets and chains, but never go smaller.
The lubrication system is also important because the lubrication system must be able to deliver enough oil. The type of oil used to lubricate a chain depends on its operating environment, temperature and speed. Wear is caused by pressure on the bearing, angular sliding of the pins, and rotation of the rollers. There are five different types of lubrication methods available, depending on the system used. A high-quality carbon steel chain is a major advantage when operating at high temperatures, as it can withstand higher temperatures.
The materials of construction for roller chains vary by application. Typically, the most common materials are steel and stainless steel, but sometimes alloy steels are used in food processing machinery that may have lubrication problems. Nylon and brass are also sometimes used. Some industries require heavy-duty chains. If you need an extremely heavy chain, you may want to consider a heavy-duty roller chain. If you are not sure which type of chain is best for your application, consult an industry expert.
Unlike other chains, roller chains are more efficient from a size and weight perspective. While solution chains are useful in some situations, drive chains are more effective for dirty work and slipping on tracks. They are commonly used in construction and manufacturing. There are other advantages to using a drive chain. They are generally stronger than belts, which is a huge benefit. So, if you’re wondering which is better, here are them:
chain

Multi-strand roller chain

The multi-strand roller chains for drive chains market is expected to grow at a CAGR of over 20% during the forecast period. Market reports cover product demand, supply, and cost. The report covers the global market including company profiles, product details, and contact information of key players. It also takes into account the revenue generated by different application areas. The report contains 159 pages of useful information and data. It is an essential tool for anyone involved in drive chain manufacturing.
The essential characteristics of multi-strand chains are their power ratings and allowable bearing area pressures. Power rating is an important characteristic that determines the chain’s ability to transmit a specific load. Typically, multi-strand chains are rated in the range of 12,000 watts per strand. However, their capabilities are limited by link plate fatigue, roller impact fatigue, and wear between pins and bushings.
Energy Series chains are ideal for high-speed and high shock load applications. The chain is designed to provide reliable power and withstand the rigors of the oil and gas industry. It uses high-strength steel and double-coated rolls. These chains come in different lengths and come in two types: single-strand and multi-strand. It is best to consult a professional to find out which chain best suits your needs.
The global multi-strand roller chains market is expected to grow at a CAGR of over 7% during the forecast period. From 2011 to 2019, the industry is expected to grow by nearly 6%. However, the outlook for this market is not optimistic, with some companies experiencing negative growth over the past year. Nonetheless, slowing global economic growth and tightening COVID-19 regulations are likely to hinder the market growth.
Although requirements vary by application, it must be remembered that the load on a multi-strand roller chain must not be greater than 1/9 or 1/6 of the tensile strength of the chain. If the load exceeds this threshold, the chainplates will fatigue. This is the main reason why roller chains are expensive. However, this is not always the case. Multi-strand roller chains are a great idea if you are looking for an affordable and reliable drive chain.

double chain

If you’re looking for an industrial-grade drive chain, you’ve probably considered a double chain. The chain meshes with the sprockets on either side of the gears. It comes in different styles, each with its own advantages and disadvantages. The CZPT duplex series has twice the power capacity of standard SC duplex chains. This type of chain is usually best for new applications. On the other hand, SC double chain chains are the cheapest but have less weight and power capacity.
Another option is a triple drive chain. This type of drive chain has an additional row of plates and contains three sprockets. Its unique design reduces the weight and impact velocity of the timing chain. It is usually used in automotive applications. It is ideal for low to medium-load timing applications. It is also available in acoustically optimized versions. Three-quarter inch pitch double chain chains are widely used in gasoline engine aids and timing drives.
chain

flat top chain

High friction rubber is usually installed on the top or bottom of a flat top drive chain to improve its high friction surface and prevent interference during side bend conveying. The chain plate can be customized with thin rubber layer or thick elastic polyurethane rubber according to customer requirements. In addition to providing high friction, the flat top chain also provides excellent anti-slip properties for glass bottles.
Premium steel flat top chain with high quality surface finish and excellent wear resistance. They have a high level of noise reduction and can be used in heavy duty conveying applications. These chains are available in a variety of alloys such as stainless steel or aluminum. Some models are designed to be very rugged and last longer. Aluminum and galvanized steel chains are popular choices for these chains.
Flat Top Drive Chain Conveyors are versatile and come in an endless combination of configurations. Drives can be connected end-to-end to form long conveyor lines, while side-curved flat-top chains are versatile enough to handle tandem, serpentine or carousel configurations. Standard and heavy duty models are also available. Flat top chains can be used in many different applications including food, beverages and other commodities.
Standard flat top chains are usually rectangular or L-shaped and designed for use on straight conveyors. In some cases, space constraints may require a U-shaped or rectangular conveyor line. For smoother conveying, side-curved flat-top chains can be used. These chains are paired with regular rectangular chain plates and tall pins for high load capacity. They come in different widths, including multi-strand chains.

China Custom Stainless Steel Short Pitch Precision Roller Chains (A Series) ANSI/ISO Standard   bush chain exerciseChina Custom Stainless Steel Short Pitch Precision Roller Chains (A Series) ANSI/ISO Standard   bush chain exercise
editor by CX