Overhead Crane Wheel & Shaft Faults And Troubleshooting Methods

Name	Failure and damage condition	Reason and Result	Trouble- shooting Method
Shaft	Crack	Material defects and improper heat treatment lead to shaft damage	Replace
Shaft	Bending of shaft is more than 0.5mm/m。	Cause damage of shaft neck and influence the transmission and cause vibration	Replace or rectify
Crane Wheel	Crane wheel tread and flange have fatigue crack	Damage of crane wheel	Replace
	Uneven abrasion of crane drive wheel tread	Leads to rail gnawing tilt of crane	Replace in pairs
	Abrasion of tread reaches 15% of crane wheel diameter	Vibration when traveling; Damage of wheel	Replace
	Wheel flange abrasion reaches 50% of the original thickness.	Due to the crane tilt and rail gnawing and cause derailment	Replace

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