Fatigue failure of straight side plate roller chain and the use of double speed chain from exoltechcom's blog

There are various types of chains, including the straight side plate roller chain and the double speed chain. What we need to understand about the straight side plate roller chain is its fatigue failure, and for the double speed chain, What is more important is its proper use. The mastery of these knowledge is good for extending the service life of the chain.

Because the mechanical equipment often needs 24 hours not to stop running, so as an important part of the straight side plate roller chain will need to have high requirements, because if a certain fatigue value is reached, the chain will soon fail.

If the straight side plate roller chain bears excessive load during operation, resulting in uneven force, it is easy to break or be squeezed. Because the tension of the chain on the loose side and the tight side is different, the chain works in the alternating tension stress state, and after a certain number of stress cycles, the chain will be damaged due to insufficient fatigue strength.

In the face of the failure of the straight side plate roller chain, it is usually only solved by strengthening the parts, such as carburizing the surface of the parts to resist stress concentration; Widen the waist width of the chain plate to ease the stress concentration of the hole; The parts are shot peening treatment.

The double speed chain is usually only used in the double speed chain conveyor, and through its growth function, the tooling plate that supports the goods on it runs quickly and reaches the specified position. In the normal use of the equipment, due to normal or accidental wear of the speed chain may appear a variety of abnormal phenomena, at this time must immediately stop the use, timely repair, in order to avoid major accidents.

However, if non-professional maintenance personnel or without the permission of professional maintenance personnel, it is not possible to repair the double speed chain by itself; At the same time, the power supply must be turned off for maintenance, and live operation is not allowed.

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