China Hot selling Heavy Type Short Pitch Roller Chain Link Chain Conveyor Chain

Product Description

CZPT rollers enhance rotation on the bushing while reducing impact loads on the sprocket tooth during operation.

All components are heat treated to achieve maximum strength. All components are heat treated to achieve maximum strength.

Pre-loaded during the manufacturing process to minimize initial elongation.

Hot dipped lubrication ensures 100% lubrication of all chain components to extend wear life and reduce maintenance costs.

ISO
NO.
ANSI
NO.
PITCH  ROLLER
LINK
WIDTH
ROLLER
DIA
PIN PLATE MIN. TENSILE
STRENGTH
AVG. TENSILE
STRENGTH
MAX. ALLOWABLE
LOAD
Pt
P W D d Lc L T H
mm mm mm mm mm mm mm mm kgf kgf kgf mm
08AH 40H 12.700 7.850 7.850 3.980 19.000 20.100 12.00 2.00 1,700 2,100 400 NIL
10AH 50H 15.875 9.400 9.400 5.090 21.800 23.700 15.00 2.40 2,670 3,300 670 NIL
12AH 60H 19.050 12.580 12.580 5.960 30.200 34.800 18.00 3.20 3,830 4,550 980 NIL
16AH 80H 25.400 15.750 15.750 7.940 37.400 42.800 24.10 4.00 8,000 9,400 1,700 NIL
20AH 100H 31.750 18.900 18.900 9.540 44.500 50.600 30.10 4.80 10,650 13,700 2,500 NIL
24AH 120H 38.100 25.230 25.230 11.110 55.000 61.600 36.20 5.60 15,320 19,000 3,350 NIL
28AH 140H 44.450 25.230 25.230 12.710 59.000 66.400 42.20 6.40 20,850 23,000 4,400 NIL
32AH 160H 50.800 31.550 31.550 14.290 69.400 77.300 48.20 7.10 27,240 31,000 5,750 NIL
36AH 180H 57.150 35.490 35.490 17.460 77.300 86.400 54.30 7.90 30,040 34,500 6,600 NIL
40AH 200H 63.500 37.850 37.850 19.850 87.100 97.300 60.30 9.50 42,550 59,000 7,750 NIL
48AH 240H 76.200 47.350 47.350 23.810 111.400 121.900 72.40 12.70 63,730 71,000 10,500 NIL
12AH-2 60H-2 19.050 12.580 12.580 5.960 56.300 60.900 18.00 3.20 7,660 9,300 1,650 26.11
16AH-2 80H-2 25.400 16.760 15.750 7.940 70.000 75.400 24.10 4.00 16,000 18,800 2,800 32.59
20AH-2 100H-2 31.750 18.900 18.900 9.540 83.600 89.700 30.10 4.80 21,300 27,400 4,250 39.09
24AH-2 120H-2 38.100 25.230 25.230 11.110 103.900 110.500 36.20 5.60 30,640 38,000 5,650 48.87
28AH-2 140H-2 44.450 25.230 25.230 12.710 111.200 118.600 42.20 6.40 41,700 45,000 7,400 52.20
32AH-2 160H-2 50.800 31.550 31.550 14.290 131.300 139.200 48.20 7.10 54,480 62,000 9,600 61.90
36AH-2 180H-2 57.150 35.490 35.490 14.760 146.500 155.600 54.30 7.90 60,080 69,000 11,000 69.16
40AH-2 200H-2 53.500 37.850 37.850 19.860 165.400 175.600 60.30 9.50 85,100 98,000 12,850 78.31
48AH-2 240H-2 76.200 47.350 47.350 23.810 212.600 223.100 72.40 12.70 127,460 142,000 17,700 101.22

Usage: Transmission Chain, Conveyor Chain, Heavy Type Short Pitch Roller Chain
Material: Alloy/Carbon Steel
Surface Treatment: Polishing
Feature: Heat Resistant
Chain Size: 1/2"*3"
Structure: Roller Chain
Samples:
US$ 10/Meter
1 Meter(Min.Order)

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Customization:
Available

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roller chain

What are the noise and vibration characteristics of roller chains?

Roller chains exhibit specific noise and vibration characteristics during operation. Here’s a detailed answer to the question:

1. Noise Generation: Roller chains can produce noise during operation, especially when operating under certain conditions. The primary sources of noise in roller chains include the interaction between the chain and the sprockets, as well as the impact between the chain pins and the chain guide. The noise level can vary depending on factors such as chain speed, tension, lubrication, alignment, and wear.

2. Vibration: Roller chains can also generate vibrations during operation. These vibrations can be caused by various factors, including the chain’s interaction with the sprockets, chain tension, misalignment, and uneven wear. Excessive vibration can affect the performance and lifespan of the chain and other components in the system. It is important to minimize vibration to ensure smooth and reliable operation.

3. Noise and Vibration Reduction Measures: To mitigate noise and vibration in roller chain systems, several measures can be taken:

  • Proper Lubrication: Adequate lubrication reduces friction between the chain and the sprockets, minimizing noise and vibration caused by metal-to-metal contact.
  • Alignment and Tension: Ensuring proper alignment and tension of the chain helps to reduce noise and vibration. Misalignment or incorrect tension can lead to increased noise and vibration levels.
  • Sprocket Design: The design and condition of the sprockets can affect noise and vibration. Sprockets with worn or damaged teeth can cause increased noise and vibration levels.
  • Noise Dampening Elements: Adding noise dampening elements, such as rubber pads or guides, can help reduce the noise generated by the chain’s impact with the chain guides or other components.
  • System Design: The overall system design, including the selection of compatible components and proper installation, can contribute to minimizing noise and vibration levels.

It’s important to regularly inspect and maintain the roller chain system to identify and address any sources of noise or excessive vibration. Proper lubrication, alignment, tensioning, and regular replacement of worn components are essential to ensure optimal performance, reduce noise, and minimize vibration in roller chain applications.

roller chain

How do roller chains handle lateral loads?

Roller chains are primarily designed to handle axial loads, which are loads acting in the direction of the chain’s axis. However, roller chains can also tolerate a certain degree of lateral loads, which are loads acting perpendicular to the chain’s axis. Here’s a detailed answer to the question:

1. Sprocket Alignment: Proper sprocket alignment is crucial for roller chains to effectively handle lateral loads. The sprockets must be aligned in a parallel and concentric manner to ensure that the chain tracks properly and experiences minimal lateral force. Misaligned sprockets can cause the chain to derail or experience excessive wear due to uneven loading.

2. Tolerance for Lateral Misalignment: Roller chains have some tolerance for lateral misalignment between the sprockets. This means that the chain can tolerate a slight deviation from a perfectly straight line between the sprockets. The chain’s side plates and rollers are designed to provide some flexibility, allowing the chain to adjust to minor lateral forces without significant problems.

3. Guide Rails or Flanges: In applications where lateral loads are more significant, guide rails or flanges can be employed to help keep the roller chain aligned and prevent excessive lateral movement. These additional components act as guides and help control the chain’s lateral displacement, ensuring that it remains on the sprockets and operates smoothly.

4. Chain Tension: Proper chain tension is crucial for handling lateral loads. A well-tensioned chain minimizes slack and reduces the chances of lateral movement. It helps keep the chain engaged with the sprockets and ensures that the load is evenly distributed across the chain’s width.

It’s important to note that roller chains have a primary function of transmitting power and handling axial loads. While they can handle some lateral loads within their design limits, excessive lateral forces can lead to chain derailment, increased wear, and reduced performance. Therefore, it’s essential to design the system properly, consider the anticipated lateral loads, and ensure proper alignment and tension to maintain the chain’s integrity and performance.

roller chain

What are the signs of roller chain wear and when should it be replaced?

Roller chain wear is a natural occurrence due to the repetitive motion and load-bearing nature of the chain. Recognizing the signs of wear is important to ensure the safe and efficient operation of the chain. Here’s a detailed answer to the question:

1. Elongation: Roller chains can elongate over time due to wear on the pins, bushings, and rollers. To check for elongation, measure the distance between a specific number of links (e.g., 10 or 12) over a known length. If the measured distance exceeds the standard pitch length, it indicates chain elongation and the need for replacement.

2. Chain Slack: Excessive chain slack or sag is another sign of wear. When the chain becomes elongated, it fails to maintain the proper tension, resulting in increased slack. Excessive chain slack can cause poor engagement with sprockets, resulting in skipping or jumping and affecting the overall performance of the chain.

3. Misalignment: As a roller chain wears, it may start to misalign with the sprockets. This misalignment can cause the chain to ride unevenly on the sprocket teeth, leading to accelerated wear on the chain and sprockets. If you notice the chain consistently riding to one side of the sprocket, it may be a sign of wear and misalignment.

4. Chain Noise: Worn roller chains can produce increased noise during operation. Excessive wear on the chain components can cause rattling, clicking, or grinding sounds. Unusual noises should be investigated, as they may indicate significant wear or damage to the chain.

5. Visible Signs of Wear: Inspect the chain visually for signs of wear, such as rust, discoloration, or visible damage to the rollers, pins, or bushings. Excessive wear on these components can affect the chain’s ability to properly engage with the sprockets and transmit power efficiently.

When to replace a roller chain depends on various factors, including the severity of wear, the criticality of the application, and the manufacturer’s recommendations. It is generally recommended to replace a roller chain when it has elongated beyond the allowable limits, exhibits excessive wear, or shows signs of damage that can compromise its performance and safety.

Regular inspection and maintenance of roller chains are essential to identify signs of wear and ensure timely replacement. Replacing the chain at the appropriate time helps prevent unexpected failures, reduces downtime, and maintains the overall efficiency of the machinery or equipment.

China Hot selling Heavy Type Short Pitch Roller Chain Link Chain Conveyor Chain  China Hot selling Heavy Type Short Pitch Roller Chain Link Chain Conveyor Chain
editor by CX 2023-09-06