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Discussion on several factors of failure of chain

Data：2014-07-17 14:23:19
The role of a lot of people are aware of the role of the chain can play a role, but the chain will often attack the failure of the case, if the chain is not a professional study of the words are not very understanding of the.
1, the chain showing the situation of fatigue failure
Assuming that the lubrication conditions are relatively good, but also a relatively resistant to wear and tear of the chain appears to be largely due to the failure of the failure of the. Because the chain has a tight side and loose side of the situation, so this component will bear the load will change. When the chain rotation, due to reasons stress showed stretching or bending of the various parts of the chain, the reason was due to external forces, slowly there will be cracks appeared, a long time before the crack will gradually become larger, it may be tired of the onset of fracture. Therefore, in the consumer chain, will take various measures to enhance the strength of the parts, the application of chemical heat treatment than the way to make the part of the case, there is also shot blasting treatment and other ways.
2, cohesion strength was damaged
In the use of the chain of time, because the load reason between outer chain plate and the pin shaft, and the inner chain plate and sleeve may occur when using the loose connection problem, let the chain plate hole attack wear, the chain length increases, showing the failure of. Because after the chain pin shaft riveting head central loose, chain plate will drop, and cut the future may also allow the link to spread the problem is in the opening episode of the central pin, eventually lead to the failure of the attack chain.
3, the chain in the use of wear due to failure
Assuming that the use of the chain material is not very good, often due to the problem of wear and tear of the chain failure situation. Chain in the wear, the length will increase, in the use of time is likely to have the case of jumping gear or chain. Chain wear usually in the outer link central, if pin and sleeve inside the wear after a gap between the outer hinge will increase, the link length will increase. The inner link distance from ordinary bus side roller between the influence, because it is not normal wear, so the inner link will not increase the length of the ordinary. Assuming that the length of the chain increases to a certain extent, it is possible to take off the chain of the situation, so in the consumption of the chain of time it is very important to wear.
In addition, the chain is glued on the process of using the static pull off, and often starting, braking action will affect its performance, there may lead to the failure of the chain. In order to reduce the problem of attack, the chain manufacturers in the consumption of products to be very fine, to ensure that the quality of the product, reduce the probability of failure.