|Structure (for Chain)
|GB/T, DIN, ANSI, ISO, BS, JIS.
Wolff Chain Co. is 1 of the professional chain manufacturers in China. We focus on reseaching, manufacturing and trading of the chain drive with famous brands — “DOVON” and “DECHO”. We supply OEM services for many famous enterprises such as SUZUKI, XIHU (WEST LAKE) DIS., FAW, AGCO, JUMING as well.
Wolff mainly producing the Transmission chains,Conveyor chains,Dragging Chains,Silent chains,Leaf chains,Roller chains,Special chain and many other series of chain products. Our technicians a have improved the chains quality to the world-level. High quality material selection, powerful and precise heat-treatment technology and excellent assembly methods ensure Wolff chains meet the tough and strict requirements for machines and vehicles.
All of our products completely conform to the international standard such as ISO\DIN\ANSI\BS\JIS, etc. Wolff has been successfully certified by ISO9001 Quality Management System,SGS inspection and BV inspection. Wolff chains can be widely applied to many industries including automobile, motorcycle, forklift, wood processing machine, constructure machine, packing machine, food machine,tobacco machine and agricultural equipments. Wolff chains are popular in America,South America,Europe,Middle East, South East Asia and Africa markets.
Welcome to our exhibition
Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.We welcome sample order.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
|Standard or Nonstandard:
|Textile Machinery, Garment Machinery, Conveyer Equipment, Packaging Machinery, Food Machinery, Marine, Mining Equipment
|Short Pitch Chain
How do roller chains handle side loads?
Roller chains are designed to primarily handle axial (or in-line) loads, which are forces applied along the axis of the chain. However, they do have some capability to handle limited side loads. Here’s a detailed answer to the question:
1. Roller Design: The rollers in a roller chain are cylindrical in shape and rotate freely between the inner and outer plates. This design allows the chain to accommodate limited side loads by allowing the rollers to roll and adjust their position within the chain.
2. Bearing Surfaces: Roller chains have bearing surfaces between the pins and the bushings or rollers. These bearing surfaces help distribute the load and reduce friction, allowing the chain to handle some degree of side loads.
3. Tolerance for Misalignment: Roller chains have some tolerance for misalignment between the sprockets, which can help compensate for minor side loads. However, excessive misalignment can lead to increased wear and decreased chain life.
4. Limitations: It’s important to note that roller chains are primarily designed for transmitting power and handling axial loads. While they can tolerate some side loads, their ability to handle significant side loads is limited. Excessive side loads can cause increased wear, premature chain failure, and reduced overall performance.
To ensure the longevity and reliable performance of a roller chain, it is essential to minimize side loads as much as possible. Proper alignment of the sprockets, appropriate tensioning of the chain, and avoiding excessive side loads are important considerations when using roller chains in an application.
How do roller chains handle reverse motion?
Roller chains are capable of handling reverse motion in applications where the direction of movement needs to be reversed. Here’s a detailed answer to the question:
1. Bi-Directional Operation: Roller chains are designed to operate in both forward and reverse directions. The chain links and rollers are constructed to engage with the sprockets in either direction, allowing the chain to smoothly transfer power and motion.
2. Engagement with Sprockets: When the roller chain is in reverse motion, the rollers on the chain engage with the sprocket teeth in the opposite direction compared to forward motion. The engagement between the chain and the sprockets ensures a secure and reliable power transmission, allowing the chain to efficiently transfer motion in reverse.
3. Lubrication and Maintenance: Proper lubrication is essential for the smooth operation of roller chains, including during reverse motion. Adequate lubrication reduces friction and wear, ensuring the chain’s longevity and performance. Regular maintenance, including lubrication and inspection, helps identify any issues that may affect the chain’s ability to handle reverse motion and allows for timely corrective actions.
4. Proper Tensioning: Maintaining proper tension in the roller chain is crucial for its performance in both forward and reverse motion. Adequate tension ensures the chain remains engaged with the sprockets and prevents slippage or disengagement during reverse operation. Proper tensioning can be achieved through tensioning devices or adjustable mounting arrangements.
5. Load Capacity: Roller chains are designed to handle various loads, including reverse motion. However, it’s important to consider the specific application requirements and select a roller chain with the appropriate load capacity and strength to withstand the forces experienced during reverse operation.
6. Alignment and Installation: Proper alignment of the roller chain and the sprockets is essential for reliable performance in both forward and reverse motion. Ensuring correct installation, including proper alignment and tensioning, helps maintain the chain’s engagement with the sprockets and ensures smooth operation in reverse.
It’s worth noting that the specific application requirements, such as speed, load, environmental conditions, and the type of roller chain, should be considered when determining the suitability of roller chains for reverse motion. Consulting the manufacturer’s guidelines and recommendations is important to ensure proper selection, installation, and maintenance of roller chains in applications involving reverse operation.
Can roller chains be used for vertical lifting applications?
Yes, roller chains can be used for vertical lifting applications in certain circumstances. However, it is important to consider various factors to ensure safe and efficient operation. Here’s a detailed answer to the question:
Roller chains are primarily designed for transmitting power and motion in horizontal or slightly inclined applications. When used for vertical lifting, additional considerations must be taken into account:
1. Load Capacity: Roller chains have a rated load capacity that indicates the maximum weight they can safely lift. It is crucial to select a roller chain with a sufficient load capacity for the specific lifting application. Factors such as the weight of the load, acceleration, and dynamic forces should be considered to ensure the chain can handle the load without excessive stress.
2. Safety Measures: Vertical lifting applications require appropriate safety measures to prevent accidents or chain failure. These may include the use of safety devices such as overload protection mechanisms, emergency stops, and redundant systems. Safety standards and regulations specific to the lifting industry should be followed to ensure compliance and mitigate potential hazards.
3. Lubrication and Maintenance: Proper lubrication is critical for the smooth and reliable operation of roller chains in any application, including vertical lifting. Regular lubrication and maintenance help reduce wear, friction, and the risk of chain failure. It is important to follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant for the specific operating conditions.
4. Chain Tension: Maintaining proper chain tension is crucial for the safe and efficient operation of roller chains in vertical lifting applications. Adequate tension ensures proper engagement with the sprockets and minimizes the risk of chain slippage or disengagement. Regular inspection and adjustment of chain tension are necessary to ensure reliable performance.
While roller chains can be used for vertical lifting, it is important to consult with industry experts or engineers experienced in lifting applications to determine the suitability of roller chains for a specific vertical lifting task. They can provide guidance on selecting the appropriate chain size, design, and safety measures to ensure the lifting operation is safe, efficient, and compliant with applicable regulations.
editor by CX 2023-07-26