China factory Heavy Duty Engineering Chains Wg781 Wg103 Wg103h Wg140 Wb10389 Wb9525 Wb7900 Wb7938 Offset-Sindbar Roller Chains

Product Description

Heavy Duty Engineering Chains WG781 WG103 WG103H WG140 WB10389 WB9525 WB7900 WB7938 Offset-sindbar Roller Chains

Product Description

 

The heavy duty offset sidebar roller chain is designed for drive and traction purposes, and is commonly used on mining equipment, grain processing equipment, as well as equipment sets in steel mills. It is processed with high strength, impact resistance, and wearing resistance, so as to ensure safety in heavy duty applications.

 

Offset sidebar chains have been a long-time primary for many grain handling, lumber, elevating, and conveying applications. This is due to the high-strength and durable design that allows the chain to have the versatility and capability to be used in almost any heavy-duty application. We stock this chain in special configurations like rooftop, with UHM caps, and universal top. We can also supply stock and custom fabricated attachments on the chain.

 

Product Parameters

 

 

 

Design and Processing Advantages
1. Made of medium carbon steel, the offset sidebar roller chain undergoes processing steps like heating, bending, as well as cold pressing after annealing.
2. The pin hole is created by impact extrusion, which increases the inner surface smoothness for the hole. Thus, the matching area between the sidebar and the pin is increased, and the pins offer higher protection against heavy loads.
3. The integral heat treatment for the chain plates and rollers ensures high tensile strength. The pins additionally undergo
high-frequency induction heating for the surface after integral heat treatment, ensuring high strength, high surface hardness, and wearing resistance as well. The surface carburizing treatment for the bushings or sleeves guarantees high tensile strength, superb surface hardness, and improved impact resistance. These make sure the heavy duty transmission chain has extended service life.
 

Chain No. ISO GB

Pitch p

Width Between Plates at Inner End W(nom)

Roller Dia. R(max)

Plate Depth H(max)

Plate Thickness T(max)

Pin Width L(max)

Pin Dia. d2(max)

Breaking Load(min) Q

Weight Approx. q

 

mm

mm

mm

mm

mm

mm

mm

daN

kg/m

WG781

78.18

38.1

33

45

10

97

17

31360

16

WG103

103.20

49.2

46

60

13

125.5

23

53900

26

WG103H

103.20

49.2

46

60

16

135

23

53900

31

WG140

140.00

80.0

65

90

20

187

35

117600

59.2

WB10389

103.89

49.2

46

70

16

142

26.7

157100

32

WB9525

95.25

39.0

45

65

16

124

23.0

63500

22.25

WB7900

79.00

39.0

31.5

54

9.5

93.5

18.5

38090

12.28

WB7938

79.38

41.2

40

57.2

9.5

100

19.5

50900

18.7

Contact us: We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 24 business hours for us to response.

 

Related products

 

Related products

 

Usage: Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain
Material: Steel
Surface Treatment: Oil Blooming
Feature: Oil Resistant
Chain Size: 1/2"*3/32"
Structure: Roller Chain
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

engineering chain

What are the signs of wear and when should an engineering chain be replaced?

Identifying signs of wear in an engineering chain is crucial for maintaining the system’s reliability and preventing unexpected failures. Here are some common signs of wear in an engineering chain that indicate it may need replacement:

1. Elongation: Over time, chains can elongate due to wear on the pins and bushings. Measure the chain’s pitch (center-to-center distance between pins) and compare it to the original pitch. If the elongation exceeds the manufacturer’s recommended limit, it’s time to replace the chain.

2. Chain Stretch: Chain stretch occurs when the chain has excessive play or slack when engaged with the sprockets. This can result from elongation and may lead to a loss of accuracy in the system’s operation.

3. Increased Noise: Excessive wear can cause the chain to produce more noise during operation. If you notice a significant increase in chain noise, it may indicate wear or inadequate lubrication.

4. Chain Damage: Inspect the chain for signs of damage, such as bent or broken links, cracked plates, or damaged rollers. Damaged components compromise the chain’s integrity and can lead to failure.

5. Rust and Corrosion: Chains used in corrosive environments may show signs of rust and corrosion. Corroded components can weaken the chain and reduce its load-carrying capacity.

6. Frequent Maintenance and Repairs: If you find yourself frequently performing maintenance and repairs on the chain, it may be an indication that it is nearing the end of its service life.

7. Chain Misalignment: Excessive wear can cause the chain to misalign with the sprockets, leading to uneven wear patterns on the chain components.

8. Loss of Tension: In applications where tension is crucial for proper chain engagement, a loss of tension could indicate wear or elongation.

9. Reduced Performance: If the system’s performance, such as speed or accuracy, is noticeably reduced, it could be due to chain wear affecting the overall functionality.

10. Maintenance Records: Keep detailed records of the chain’s maintenance and service life. Regularly inspect the chain and refer to maintenance records to determine if it has reached its recommended replacement interval.

When you observe any of these signs of wear, it’s important to replace the engineering chain promptly. Continuing to use a worn or damaged chain can lead to unexpected failures, production downtime, and potential damage to other system components. Regular inspections, proper lubrication, and timely replacement will ensure the reliability and longevity of the engineering chain in various industrial applications.

engineering chain

Can engineering chains be used in marine or underwater applications?

Yes, engineering chains can be used in marine or underwater applications under certain conditions. However, several factors need to be considered to ensure their reliable performance and longevity in such environments:

1. Corrosion Resistance: Marine and underwater environments expose chains to the risk of corrosion due to saltwater exposure. Therefore, it’s crucial to select engineering chains made from corrosion-resistant materials such as stainless steel or special coatings to prevent rust and deterioration.

2. Sealing and Lubrication: Proper sealing and lubrication are essential to protect the chain’s internal components from water ingress and corrosion. Sealed or encapsulated chain designs with suitable lubricants can help maintain smooth operation even in wet conditions.

3. Material Selection: The choice of materials for the chain and sprockets should consider not only corrosion resistance but also the ability to withstand marine environments’ unique challenges, such as exposure to marine organisms, debris, and changing temperatures.

4. Load Capacity: Marine and underwater applications may involve heavy loads, so the engineering chain must be selected based on the specific load requirements to ensure safe and reliable operation.

5. Water Depth and Pressure: The depth of the underwater application and the resulting pressure can affect the chain’s performance. Special considerations may be necessary for deep-sea applications to withstand higher pressures.

6. Environmental Regulations: Depending on the location, there may be specific environmental regulations regarding the materials used in marine applications to prevent pollution and protect marine life.

7. Maintenance and Inspection: Regular maintenance and inspection are critical for identifying and addressing any signs of wear, corrosion, or damage in the engineering chain. Timely maintenance can extend the chain’s lifespan and ensure safe operation.

Overall, with proper material selection, sealing, lubrication, and maintenance, engineering chains can be used effectively in marine or underwater applications, providing reliable power transmission and motion control in these challenging environments.

engineering chain

Are there any special considerations for lubricating engineering chains?

Yes, proper lubrication is essential for the optimal performance and longevity of engineering chains. Here are some special considerations to keep in mind when lubricating engineering chains:

1. Lubricant Selection: Choose the appropriate lubricant based on the chain’s operating conditions, speed, load, and environmental factors. Different applications may require different types of lubricants, such as oil-based or grease-based lubricants.

2. Correct Lubrication Amount: Applying the right amount of lubricant is crucial. Insufficient lubrication can lead to increased friction and wear, while excessive lubrication can attract contaminants and cause the chain to sling off excess grease or oil.

3. Regular Lubrication: Implement a regular lubrication schedule to ensure the chain is consistently lubricated. Frequent lubrication can help reduce friction and wear, extending the chain’s service life.

4. Lubrication Method: The method of lubrication will depend on the chain design and accessibility. Some chains have built-in lubrication systems, while others may require manual lubrication using oilers or grease guns.

5. Cleanliness: Before lubrication, make sure the chain is clean and free from debris. Cleaning the chain helps prevent abrasive particles from becoming trapped in the lubricant, which could accelerate wear.

6. Avoid Contaminants: Keep lubricants and lubrication equipment free from contaminants to maintain the purity and effectiveness of the lubricant.

7. Environmental Factors: Consider the operating environment when selecting a lubricant. High temperatures, moisture, and harsh chemicals can affect the lubricant’s performance, so choose one that can withstand these conditions.

8. Reapplication: In some applications, the lubricant may wear off or become contaminated more quickly. Regularly monitor the chain’s lubrication condition and reapply lubricant as needed.

9. Training and Safety: Ensure that personnel involved in the lubrication process are properly trained in handling lubricants safely and efficiently.

By following these special considerations, you can optimize the performance and reliability of engineering chains through effective lubrication, reducing wear and extending the chain’s useful life in various industrial applications.

China factory Heavy Duty Engineering Chains Wg781 Wg103 Wg103h Wg140 Wb10389 Wb9525 Wb7900 Wb7938 Offset-Sindbar Roller Chains  China factory Heavy Duty Engineering Chains Wg781 Wg103 Wg103h Wg140 Wb10389 Wb9525 Wb7900 Wb7938 Offset-Sindbar Roller Chains
editor by CX 2023-07-25

Engineering class chain

As one of the engineering class chains with sawtooth plates manufacturers, suppliers, and exporters of mechanical products, We offer engineering class chains and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of engineering class chain.

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