We know that the length of the lifting chain can be adjusted according to the lifting height of the lifting object. The lifting chain is an indispensable and important pickup device for the crane.
So what is the method for measuring the accuracy of lifting chains?
The chain must be cleaned before measurement.
. Wrap the chain under test around the two sprockets, and the upper and lower sides of the chain under test should be supported.
Before measurement, the chain should stay under the condition of applying one-third of the minimum ultimate tensile load>>.
When measuring, apply the specified measurement load on the chain to tighten the upper and lower chains>> The chain and the sprocket should ensure normal meshing.
, measure the center distance between the two sprockets.
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