Product Description
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Product Description
QLZ Chains feature symmetrically toothed link plates on both sides, enabling equal performance and precision during bilateral use. This design makes it an ideal solution for applications with changes in the direction of rotation or for multi-shaft drives. Their flexibility ensures they can easily handle these situations, providing reliable and consistent performance.
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.
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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 |
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| 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 |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Standard Safety Precautions When Handling and Installing Toothed Chains
Handling and installing toothed chains require careful attention to safety to prevent accidents and ensure proper functioning. Here are the standard safety precautions to follow:
- Use Personal Protective Equipment (PPE): Wear appropriate personal protective equipment, such as gloves and safety goggles, when handling toothed chains. This protects against potential injuries from sharp edges or flying particles during installation.
- Read Manufacturer’s Instructions: Before installation, thoroughly read and understand the manufacturer’s instructions and guidelines for the specific toothed chain model. Follow their recommended procedures to ensure proper installation and safe operation.
- Power Off Machinery: Before handling or installing the toothed chain, make sure the machinery or equipment is powered off and that all energy sources are isolated to prevent accidental startup during the process.
- Secure the Chain Properly: During installation, ensure that the toothed chain is securely positioned in the correct orientation and aligned with the sprockets. Avoid any slack or excessive tension in the chain.
- Avoid Finger Pinching: Be cautious when handling the chain around sprockets and other moving parts. Keep fingers and other body parts away from pinch points to prevent injuries.
- Use Proper Tools: Use suitable tools for handling and installing the chain, as specified by the manufacturer. Using incorrect tools can lead to damage or accidents.
- Check Chain Compatibility: Ensure that the toothed chain is compatible with the sprockets and other components in the power transmission system. Mismatched components can lead to premature wear and failure.
- Inspect Chain for Damage: Before installation, carefully inspect the toothed chain for any signs of damage, wear, or defects. If any issues are found, replace the chain before proceeding.
- Secure Locking Devices: If the chain has locking devices, such as cotter pins or spring clips, ensure they are properly installed and secure. These devices prevent the chain from disengaging during operation.
- Check Tension and Alignment: After installation, check the tension and alignment of the chain. Improper tension or misalignment can cause premature wear and reduce the chain’s lifespan.
- Provide Adequate Training: Ensure that personnel involved in handling and installing toothed chains receive proper training on safety procedures and best practices.
- Monitor Performance: Regularly monitor the performance of the toothed chain and the entire power transmission system. Any unusual noises, vibrations, or signs of wear should be promptly investigated and addressed.
Conclusion: Following these standard safety precautions when handling and installing toothed chains is crucial to ensure the safety of personnel and the proper functioning of the machinery. Adhering to manufacturer’s guidelines, using appropriate tools, and conducting regular inspections will help prevent accidents and maintain the reliability of the toothed chain and the equipment it drives.
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).
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.
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.\
- Purpose: Roller chains are primarily used for power transmission in a wide range of applications, including bicycles, motorcycles, conveyors, and industrial machinery.\
- 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.\
- 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.\
- 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.\
editor by CX 2024-03-26