Roller type infinitely variable speed chains The importance of wear stages and maintenance

    • 62 posts
    March 24, 2025 7:42 AM GMT

    Roller type infinitely variable speed chains are widely used in various industries, but many people do not know enough about them, so their lubrication and maintenance work is never concerned, so it will lead to the wear of the chain. The wear of Roller type infinitely variable speed chains mainly occurs between the pin and the sleeve.

    Wear will cause the gap to become larger and the chain to become longer until the chain cannot accurately engage the sprocket, or cannot maintain proper spacing and timing. In addition, sometimes the wear between the Roller and the sleeve or the wear between the chain plate and the guide can also lead to the failure of Roller type infinitely variable speed chains.

    Roller type infinitely variable speed chains become longer due to wear and tear is a gradual process, which roughly includes three stages: first, the initial run-in. The pins and sockets are worn off, and the small eccentricities are also worn off. The second is stable and slow lubrication wear. At this stage, the pin is properly placed in the sleeve and the bearing area is properly lubricated. The third is relatively rapid terminal wear. In this stage, lubrication may be ineffective or ineffective, the hardened layer on the surface of the pin and sleeve is worn off, the chain becomes longer, and so on, causing the load on individual nodes to increase dramatically.

    The slight wear of Roller type infinitely variable speed chains does not cause great damage to the chain, there is no need to change the chain, the chain can be reversed, so that the wear side can face the sprocket. If both sides of the chain are worn, it has to be replaced. In addition to wear and tear, fractures often occur.

    Breakage generally occurs in Roller type infinitely variable speed chains caused by improper use, for example, the chain carries too much material, beyond the load of the chain, the chain will break. Also, in the process of use, the chain keeps running, so that the chain can not rest, the chain will break.

    The maintenance of Roller type infinitely variable speed chains is very important for the service life of the chain, and the chain should be lubricated and cleaned regularly. The use of the chain environment is also very critical to the service life of the chain, generally for corrosive occasions, in the outdoor use Roller type infinitely variable speed chains is better.

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