China high quality Qld4 Side Guide 1/2 Inch Hdl3 Pitch 12.7 Gear Box Inverted Tooth Transmission Silent Chain

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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)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

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

toothen chain

Can Toothed Chains be Used in High-Speed Applications, and Limitations to Their Speed

Yes, toothed chains can be used in high-speed applications, but there are certain limitations to consider. Toothed chains are commonly employed in various industrial machinery and equipment where reliable power transmission is required at high speeds. However, their suitability for high-speed applications depends on several factors:

  • Chain Type: Different types of toothed chains have varying speed capabilities. For example, roller chains are commonly used in high-speed applications due to their smooth operation, while silent chains or inverted tooth chains may have limitations at higher speeds.
  • Design and Quality: The design and manufacturing quality of the toothed chain play a crucial role in its ability to handle high speeds. Precision manufacturing and quality materials are essential to reduce vibration, noise, and wear at high speeds.
  • Lubrication: Proper lubrication is vital for reducing friction and wear in toothed chains operating at high speeds. Insufficient or improper lubrication can lead to accelerated wear and potential failure.
  • Tension and Alignment: Maintaining proper tension and alignment of the chain is critical at high speeds. Inadequate tension or misalignment can cause the chain to jump or derail from the sprockets.
  • Temperature: High-speed operations can generate significant heat due to friction. Ensure that the operating temperature remains within the chain’s specified limits to prevent premature wear or failure.

Limitations to Their Speed:

  • Dynamic Loading: At high speeds, the dynamic loading on the toothed chain increases significantly. This can lead to higher stress levels on the chain’s components, potentially causing fatigue and reducing the chain’s life.
  • Vibration and Noise: Toothed chains operating at high speeds can generate increased vibration and noise. Excessive vibration can be detrimental to the chain’s performance and may affect the surrounding machinery.
  • Centrifugal Force: At high speeds, centrifugal force can impact the chain’s behavior, causing it to stretch and potentially come off the sprockets if not adequately tensioned.
  • Wear and Fatigue: High-speed applications can accelerate wear and fatigue in the chain, necessitating more frequent inspections and maintenance.

Conclusion: Toothed chains can be used in high-speed applications, but their performance is subject to various factors and limitations. To ensure safe and reliable operation at high speeds, it’s essential to select the appropriate chain type, maintain proper tension and alignment, use quality materials, and provide adequate lubrication. Regular inspections, monitoring, and preventive maintenance are vital to address wear and mitigate the effects of high-speed operation on toothed chains.

toothen chain

Calculating Tension and Sag in a Toothed Chain for Proper Installation and Operation

Proper tension and sag are essential for the successful installation and operation of a toothed chain. The tension ensures that the chain engages properly with the sprockets, while the sag allows for smooth motion and compensates for temperature changes and elongation. Here’s how you can calculate the tension and sag:

  • Tension Calculation:
  • The tension in a toothed chain can be calculated using the following formula:

    T = (F * r * μ) / (2 * C * cos(β))
    • T is the tension in the chain (in Newtons, N).
    • F is the driving force or load (in Newtons, N) applied to the chain.
    • r is the radius of the driving sprocket (in meters, m).
    • μ is the coefficient of friction between the chain and sprocket.
    • C is the center distance between the driving and driven sprockets (in meters, m).
    • β is the angle of chain wrap around the sprocket (in radians).
  • Sag Calculation:
  • The sag in a toothed chain can be calculated using the following formula:

    S = L - (2 * C * sin(β/2))
    • S is the sag in the chain (in meters, m).
    • L is the total length of the chain (in meters, m).
    • C is the center distance between the driving and driven sprockets (in meters, m).
    • β is the angle of chain wrap around the sprocket (in radians).

Conclusion: Calculating the tension and sag in a toothed chain is crucial for proper installation and operation. The tension ensures the chain engages with the sprockets effectively, while the sag allows for smooth motion and compensates for temperature changes and elongation. By following the appropriate formulas and considering the driving force, sprocket radius, coefficient of friction, center distance, and chain length, you can achieve optimal tension and sag in the toothed chain, leading to reliable and efficient operation in various applications.

toothen chain

How does a toothed chain differ from other types of chains, such as roller chains or conveyor chains?\

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A toothed chain, also known as a timing chain or synchronous chain, differs from other types of chains like roller chains and conveyor chains in its design, purpose, and applications:

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\Toothed Chain (Timing Chain):\

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  • Design: A toothed chain has tooth-like profiles on its inner surface, which mesh with corresponding sprockets.\
  • \

  • Purpose: The primary purpose of a toothed chain is to provide precise timing and motion control in mechanical systems. It ensures accurate synchronization between the driving and driven components.\
  • \

  • Applications: Toothed chains are commonly used in automotive engines to synchronize the camshaft and crankshaft. They also find applications in various industries that require precise motion control and synchronization, such as industrial automation, printing, and packaging.\
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\Roller Chain:\

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  • Design: A roller chain consists of cylindrical rollers that engage with the teeth of sprockets, enabling smooth and efficient power transmission.\
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  • Purpose: Roller chains are primarily used for power transmission in a wide range of applications, including bicycles, motorcycles, conveyors, and industrial machinery.\
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  • Applications: Roller chains are found in many industries for transmitting power from one shaft to another. They are commonly used in conveyor systems, manufacturing equipment, and agricultural machinery.\
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\Conveyor Chain:\

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  • Design: Conveyor chains are designed to have special attachments or links that allow them to carry and transport materials along a conveyor system.\
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  • Purpose: The main purpose of conveyor chains is to move materials from one location to another within a conveyor system. They are suitable for horizontal, inclined, or vertical conveying applications.\
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  • Applications: Conveyor chains are extensively used in industries such as mining, packaging, food processing, and automotive manufacturing, where continuous material handling is required.\
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In summary, toothed chains are distinct from roller chains and conveyor chains in terms of their design and primary functions. Toothed chains provide precise timing and synchronization, roller chains are focused on power transmission, and conveyor chains are specialized for material handling in conveyor systems.\

China high quality Qld4 Side Guide 1/2 Inch Hdl3 Pitch 12.7 Gear Box Inverted Tooth Transmission Silent Chain  China high quality Qld4 Side Guide 1/2 Inch Hdl3 Pitch 12.7 Gear Box Inverted Tooth Transmission Silent Chain
editor by CX 2024-04-08