Product Description

 

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Product Description

Our QLD series silent chain is a power transmission chain designed for high-speed and high-torque applications. It is known for its quiet operation, long life, and high efficiency. 
The chain features a high-strength construction that allows it to handle heavy loads and high speeds without stretching or breaking.

 

 

When you need a specific design, we can provide customised solutions based on what you need. Whether you require specific features, plans, materials, or specifications, our team can work to ensure you get a chain that fully meets your needs.
Are you looking for other chains? 
Leave your message below, and feel free to contact us!

 

FAQ

Question 1: Are you a Manufacturer or a Trading Company?
Answer:
We are a 100% chain manufacturer with 23 years of experience
Question 2: What should I provide to get a quotation?
Answer:
1. Type of the chain (with photos if available)
2. Pitch of the chain
3. Width of the chain
4. Length and quantity of the chain
5. Other specific requirements
Question 3: How long is your manufacturing and delivery time?
Answer: 
Products are usually finished in 2 weeks, depending on the type and quantity. Also, please get in touch with us to check the delivery time to your destination.
Question 4: How long is your guaranteed time?
Answer: 
We offer a three-year guarantee if you purchase chains and matched sprockets together.
If you need chains only, a one-year guarantee can also be confirmed.
Question 5: Trade terms and Payment terms?
Answer:
We accept EXW, FOB, DDU, Door to Door. Payment terms, such as T/T, L/C, and Western Union, are acceptable. We also provide the service of Online Trading in this B2B platform.

 

Company Profile

 

 

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Standard or Nonstandard: Standard
Application: Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Food Machinery, Marine, Mining Equipment, Agricultural Machinery
Structure: Tooth Chain
Samples:
US$ 100/Meter
1 Meter(Min.Order)

|

Order Sample

Customization:
Available

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Customized Request

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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.

transmission chain

Can transmission chains be used in marine or offshore applications?

Yes, transmission chains can be used in marine or offshore applications. Here’s a detailed answer to the question:

1. Corrosion Resistance: Transmission chains used in marine or offshore applications are typically made from materials that offer high corrosion resistance, such as stainless steel or specially coated chains. These chains are designed to withstand the corrosive effects of s altwater, moisture, and other harsh environmental conditions.

2. Sealing and Protection: In marine or offshore environments, transmission chains are often equipped with additional sealing and protection measures. This can include seals, covers, or special coatings that provide an extra layer of defense against water, debris, and contaminants.

3. High Load Capacity: Marine and offshore applications often involve heavy-duty operations, such as lifting or pulling heavy loads. Transmission chains used in these applications are designed to handle high loads and provide reliable power transmission.

4. Resistance to Harsh Conditions: Marine and offshore environments can be challenging, with factors like high humidity, extreme temperatures, and exposure to s altwater and abrasive substances. Transmission chains for these applications are engineered to withstand these harsh conditions and maintain their performance and durability.

5. Compliance with Industry Standards: Transmission chains used in marine or offshore applications may need to meet specific industry standards and regulations. These standards ensure that the chains are suitable for the demanding conditions and safety requirements of the marine and offshore industries.

It’s important to select transmission chains specifically designed for marine or offshore applications to ensure reliable and long-lasting performance. Consulting with experts in the field and following manufacturer guidelines for installation, maintenance, and inspection is essential to maximize the effectiveness and lifespan of the transmission chains in these environments.

transmission chain

How does the speed of rotation affect the choice of transmission chain?

The speed of rotation is an important factor to consider when selecting a transmission chain for a specific application. Here’s a detailed answer to the question:

1. Fatigue and Wear: The speed of rotation directly affects the fatigue and wear characteristics of a transmission chain. Higher rotational speeds result in increased cyclic loading and wear on the chain’s components. Therefore, it is crucial to choose a chain that is designed to handle the anticipated speed and associated fatigue stresses.

2. Lubrication and Cooling: Faster rotational speeds generate more heat due to friction between the chain and the sprockets. Adequate lubrication is essential to minimize friction, reduce heat buildup, and maintain the chain’s performance and longevity. Additionally, some high-speed applications may require additional cooling mechanisms to dissipate heat effectively.

3. Centrifugal Forces: As the rotational speed increases, centrifugal forces become more significant. These forces can affect the chain’s stability, tension, and overall performance. Chains designed for high-speed applications are engineered to withstand the increased centrifugal forces and maintain proper tension during operation.

4. Dynamic Balance: High-speed rotation may introduce dynamic imbalances in the transmission system, leading to vibrations and decreased system efficiency. Special attention should be given to selecting a transmission chain with proper dynamic balance characteristics to minimize vibrations and ensure smooth operation.

5. Material and Design: Chains for high-speed applications often require specific materials and design features to accommodate the increased rotational forces and maintain reliability. High-strength alloys, precise manufacturing tolerances, and advanced surface treatments may be employed to enhance the chain’s performance and durability at high speeds.

When selecting a transmission chain, it is crucial to consider the manufacturer’s recommendations and specifications regarding maximum allowable speeds. Factors such as the application’s operational requirements, anticipated rotational speed, load, and environmental conditions should all be taken into account to ensure the chosen chain is suitable for the specific high-speed application.

transmission chain

How does the pitch size of a transmission chain affect its performance?

The pitch size of a transmission chain plays a crucial role in determining its performance and suitability for specific applications. The pitch size refers to the distance between adjacent chain links, typically measured from the center of one pin to the center of the next pin.

The pitch size of a transmission chain affects its performance in the following ways:

  • Load Capacity: Chains with larger pitch sizes generally have higher load capacities. A larger pitch size allows for larger components, such as pins and rollers, which can withstand higher forces and transmit more power.
  • Speed Capability: The pitch size also affects the chain’s speed capability. Chains with smaller pitch sizes are typically designed for higher speeds, as they offer smoother engagement with the sprockets and reduced inertia.
  • Wear and Fatigue Resistance: Smaller pitch sizes distribute the load over more contact points, reducing the stress on individual components. This can improve wear resistance and increase the chain’s fatigue life.
  • Compactness and Space Limitations: In applications where space is limited, smaller pitch chains are preferred as they allow for a more compact design.

It’s important to note that the selection of the appropriate pitch size depends on the specific application requirements, including the expected load, speed, and available space. Different pitch sizes are available to accommodate a wide range of applications, from light-duty to heavy-duty machinery.

China best Qld8 1 Inch Centre Guide Hdl650 Low Noise Gear Box Inverted Tooth Transmission Silent Chain  China best Qld8 1 Inch Centre Guide Hdl650 Low Noise Gear Box Inverted Tooth Transmission Silent Chain
editor by CX 2024-03-19