Selecting the optimal bending radius for plastic drag chains in moving applications




Selecting the Optimal Bending Radius for Plastic Drag Chains in Moving Applications

Selecting the Optimal Bending Radius for Plastic Drag Chains in Moving Applications

Plastic Drag Chains

Plastic drag chains are widely used in moving applications, such as in robotics, automated machinery, and conveyors. The bending radius of these chains is an important factor to consider when designing and selecting the appropriate chain for a specific application. In this article, we will discuss the factors that affect the optimal bending radius for plastic drag chains and how to select the best one for your application.

Factors Affecting the Optimal Bending Radius

1. Chain Material

The material of the chain is a crucial factor in determining the optimal bending radius. Plastic drag chains are made of different materials, such as nylon, acetal, and polyurethane. Each of these materials has different flexibility and stiffness, which affects the bending radius. Nylon chains, for example, have a larger bending radius than acetal chains because they are more flexible.

2. Chain Size

The size of the chain also affects the bending radius. Larger chains have a larger bending radius than smaller chains because they are stiffer and less flexible. The size of the chain is determined by the pitch, which is the distance between the center of two adjacent links.

3. Load

The load that the chain will carry is another factor to consider when selecting the optimal bending radius. The bending radius of the chain should be large enough to accommodate the load without causing undue stress on the chain. If the bending radius is too small for the load, it can cause the chain to break.

4. Operating Speed

The operating speed of the chain is also a factor in determining the optimal bending radius. High-speed applications require a larger bending radius to prevent the chain from breaking due to the centrifugal force.

How to Select the Optimal Bending Radius

Now that we know the factors that affect the optimal bending radius for plastic drag chains, let’s see how to select the best one for your application:

1. Determine the chain pitch

The first step is to determine the pitch of the chain based on the load and speed requirements of your application. The pitch is the distance between the center of two adjacent links and is expressed in millimeters or inches.

2. Calculate the bending radius

Once you know the pitch of the chain, you can calculate the bending radius using the formula:

Bending radius = Chain pitch x 5 to 10

The 5 to 10 factor depends on the material of the chain, the size of the chain, and the load and speed requirements of your application. It’s recommended to use a bending radius that is at least five times the chain pitch for most applications.

3. Test the chain

It’s always a good idea to test the chain in your application before finalizing the design. This will ensure that the chain can withstand the load and speed requirements without breaking or wearing out too quickly. You can also use simulation software to test the chain virtually.

Conclusion

Plastic Drag Chain in Use

Selecting the optimal bending radius for plastic drag chains is crucial to ensure the longevity and reliability of your application. Consider the material, size, load, and operating speed of the chain when selecting the appropriate bending radius. Test the chain in your application before finalizing the design to ensure its effectiveness. For more information on plastic drag chains and other moving application chains, please visit table-top-chains.com.

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