A New Manufacturing Technology for Induction Machine Copper Rotors
The benefits of energy and operational cost savings from using copper rotors are well recognized. The main barrier to die casting copper rotors is short mold life. This paper introduces a new approach for manufacturing copper-bar rotors. Either copper, aluminum, or their alloys can be used for the end rings. Both solid-core and laminated-core rotors were built. High quality joints of aluminum to copper were produced and evaluated. This technology can also be used for manufacturing aluminum bar rotors with aluminum end rings. Further development is needed to study the life time reliability of the joint, to optimize manufacturing fixtures, and to conduct large-rotor tests.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 788639
- Report Number(s):
- P01-111531; TRN: US200203%%197
- Resource Relation:
- Journal Volume: 1; Conference: 2002 Future Car Congress, Arlington, VA (US), 06/03/2002--06/05/2002; Other Information: PBD: 4 Sep 2001
- Country of Publication:
- United States
- Language:
- English
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