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Electric wire rope hoist pulley hoist parts to wear to a certain standard he will need to be scrapped, otherwise it will damage the wire rope and to the production of safe hidden trouble.

 

Cracks, the situation is not appropriate to continue to use.
 
2 rope groove uneven wear of 3ram.
 
3, the wall thickness of the rope groove wear up to 20% of the original wall thickness.
 
4, due to wear and tear so that the bottom of the rope groove really reach 50% of the diameter of the wire rope diameter reduction.
 
5, and other damage to the wire rope defects.

 

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