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Rebarring fabricated copper squirrel cage rotors: Steps, considerations and procedures to follow in the repair process

Publication date: 
March 2008
Author(s): 
Tom Bishop, P.E., EASA Senior Technical Support Specialist
Type of media: 
Article

Being accustomed to rewinding AC stators, we may not realize that there is an equivalent repair service that can be performed on some rotors - namely, rebarring. Our focus in this article will be the rebarring of fabricated copper squirrel cage rotors. Redesign of rotors is outside the scope of this article.

Topic(s): 
Fabricated rotors
Repair procedures and tips