Creating Efficiencies in a Prematurely Failing Slewing Drive

Reverse engineering is sometimes the solution for understanding failing plant and providing efficiencies. In this case, the input seal and bearing from a slewing drive were failing prematurely.

Slew Drive

Geographe captured over 80 individual parts to improve reliability.

A lack of lubrication was assessed as being one of the primary causes of early failure. Due to the gearbox orientation, excessive pressure caused the input seal to dislodge, consequently starving the input bearing of oil. To fix this, Geographe reduced volume, pumped oil directly into the Input and added a breather. No failure was reported since being installed in 2012.

Slew Drive

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