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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Maintenance Requirements for a Toothed Chain and Prolonging Its Lifespan
Maintaining a toothed chain is essential to ensure its optimal performance and longevity. Here are the key maintenance requirements and steps to prolong the lifespan of a toothed chain:
- Regular Lubrication: Proper lubrication is crucial to reduce friction and wear between the chain’s components. Follow the manufacturer’s recommendations for the type and frequency of lubrication. Use a suitable chain lubricant and apply it evenly along the chain’s length.
- Tension Adjustment: Periodically check the chain’s tension and make adjustments as needed. A loose chain can lead to excessive wear and jumping off the sprockets, while an overly tight chain can increase the load on the chain and the entire system.
- Inspect for Wear: Routinely inspect the chain for signs of wear, elongation, and damage. Look for elongation of the chain, damaged or worn teeth, and any visible defects. If significant wear is detected, consider replacing the chain to avoid potential failures.
- Keep It Clean: Keep the chain and surrounding area clean from dirt, debris, and contaminants. A clean environment helps reduce wear and prevents foreign particles from entering the chain joints.
- Address Misalignment: Ensure that the sprockets and chain are properly aligned. Misalignment can cause uneven wear and premature failure. Make necessary adjustments to achieve proper alignment.
- Replace Damaged Parts: If any components of the toothed chain, such as the sprockets or connecting pins, show signs of damage or excessive wear, replace them promptly. Using damaged parts can lead to chain failure and potential damage to the machinery.
- Avoid Overloading: Avoid subjecting the chain to loads beyond its rated capacity. Overloading can cause accelerated wear and may lead to chain failure. Consider using a chain with a higher load rating if needed.
- Follow Operating Limits: Operate the machinery within the designated speed and temperature limits specified by the chain manufacturer. Exceeding these limits can compromise the chain’s performance and durability.
- Proper Storage: If the chain is not in use, store it in a clean and dry environment to prevent corrosion and damage during storage.
Conclusion: Regular maintenance and proper care are essential to extend the lifespan of a toothed chain. Following the recommended maintenance practices, such as regular lubrication, tension adjustment, and inspection for wear, will help ensure the chain’s reliable performance and reduce the risk of unexpected failures. By addressing maintenance requirements promptly and avoiding misuse, you can significantly prolong the life of the toothed chain and optimize the performance of your machinery or equipment.
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.
Replacing a Worn Toothed Chain or the Entire Chain System
Whether you can replace just a worn toothed chain or need to replace the entire chain system depends on several factors. Let’s examine the scenarios to determine the appropriate course of action:
- 1. Individual Chain Wear: If only a single toothed chain in the system is worn or damaged, it is possible to replace that specific chain. This is often the case in systems where multiple chains operate independently and do not interact with each other. Simply remove the worn chain and install a new one of the same size and type.
- 2. Chain Synchronization: In some applications, multiple toothed chains work together to ensure proper synchronization. In such cases, replacing just one worn chain could disrupt the system’s functionality and cause performance issues. It is crucial to maintain synchronization among all the chains. If one chain is worn, it’s likely that others have also experienced significant wear, so replacing all of them might be necessary.
- 3. Chain Age and Wear: If the entire chain system is old and has experienced significant wear and elongation, it may be more practical to replace the entire system. Over time, chains can stretch and wear unevenly, affecting the system’s performance and leading to premature failure of new chains if installed alongside old ones.
- 4. Upgrading the System: If the machinery or equipment is undergoing significant changes or upgrades, it might be a good opportunity to replace the entire chain system. Upgrading to newer, more durable materials or a different chain type could improve overall system performance and longevity.
Conclusion: In summary, whether you can replace just a worn toothed chain or need to replace the entire chain system depends on the specific circumstances. If only one chain is worn, and it operates independently without affecting the rest of the system, you can replace that chain individually. However, if the entire system is old, worn, or requires upgrades, it is generally better to replace the entire chain system to ensure proper functioning, performance, and longevity.
editor by CX 2024-05-09