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The winding challenge — servo and spindle motors

Publication date: 
June 2013
Tom May, Trade-Mark Industrial
Type of media: 

For years, electric motor repair facilities have been routinely rewinding the common three-phase electric motor. I can recall the rare occasion where a winder slipped up taking a connection or counting turns, or missed recognizing a "specialty" two-speed or consequent pole connection. It happens. We have all experienced it and learned from it. Today, winders are facing new challenges when winding AC motors, particularly when it comes to spindle and servo motors. With the complexity of some of the newer technologies, the chance for error is signifcantly increased. We have had to become more observant and heighten our awareness. Here are a couple of examples that our service center recently encountered, and where we were able to identify the data and rewind the motor successfully.

Servo motors