There are many types of chains, including plate chains and two-speed chains. The fatigue failure of the plate chain is a problem that we need to understand, but for the two-speed chain, the correct use is more important. Mastering this knowledge is conducive to extending the service life of the chain.

Since mechanical equipment often needs 24 hours of uninterrupted operation, the plate chain, as an important part of the chain, needs to have high requirements, because if a certain fatigue value is reached, the chain will soon fail and fail.

If the plate chain is overloaded during operation, resulting in uneven force, it is easy to break or be squeezed. However, since the tension on the elastic side of the chain is different from the tension on the elastic side, the operating state of the chain is an alternating tension stress. After a certain number of stress cycles, the chain will be damaged due to insufficient fatigue strength.

In the case of plate chain failure, problems such as surface carburizing of parts can only be solved by strengthening methods to resist stress concentration; Widen the waist of the chain plate to reduce the stress concentration of the hole; The parts are shot peening, etc.

Two-speed chains are usually only used for two-speed chain conveyors. Through its acceleration function, the tooling plate supporting the cargo can run quickly and reach the designated position. In the normal use of the equipment, due to normal or accidental wear, the two-speed chain may appear a variety of abnormal phenomena, at this time must immediately stop the use, timely repair, to avoid major accidents.

However, if non-professional maintenance personnel or without the permission of professional maintenance personnel, can not repair the two-speed chain; At the same time, the power must be turned off before maintenance, and live operation must not be carried out.

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