Protect your traction motor from bearing failure

Posted: 28/04/2017 The damage caused by variable frequency drive (VFD) induced voltages, which, once they exceed the resistance of the bearing lubricant, tend to discharge to the motor housing. This causes fusion craters in the bearings, which gradually increase in size and number. This in turn produces frosting, pitting and/or fluting, which ultimately leads to the bearings failing.
The retro-fit new Aegis® SGR Conductive MicroFiber™ shaft grounding brush supplied by Morgan Advanced Materials will overcome this problem. Using proprietary Electron Transport Technology™, the brush channels harmful currents to ground, thereby protecting the bearings from damage. The Aegis® SGR has the added benefit of extending motor life, and can be installed even in the field. It is the most effective grounding brush available, and offers the longest lasting protection, yet requires no maintenance.
Find out more information from our Aegis® SGR products page 

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