Crane Gear damage reason and measures

time:Oct 19,2016

Damage defective
1. Gear teeth are broken
2. Gear abrasion exceed 15%-30%
3. Gear Crackle.
4. Abrasion caused by the key rolling.
5. Gear surface crush reach 30%, depth crush reach 10%, Carburized layer crush reach 80%.
 
Reason
1. Working shock and vibration
2. The overdue or incorrect installation
3. The overload working
4. Overload heat treating
 
Result
1. Have noise when working
2. Destroy the drive mechanism
3. Lifting object may fall down
 
Trouble measure
1. Replace if on the lifting mechanism
2. Repair the gear key rolling if on traveling mechanism