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Failure Forms Of Gear

Ningbo Xinhong Hydraulic Co.,Limited | Updated: May 23, 2016

1, tooth wear

For open gear drives or dirty oil closed gear, due to the relative slip between gear surfaces, making some hard abrasive into the friction surface, so that the tooth profile change, backlash is increased, that excessive thinning led to breaking of the gear. Under normal circumstances, only at the time of inclusion particles in lubricating oils will cause tooth abrasion in the running.

2, surface plastic deformation

Under the impact load or overload, likely to produce local plastic deformation of tooth surface, so that the involute surface deformation.


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