A New Manufacturing Technology for Induction Machine Copper Rotors

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Description

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, ... continued below

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Hsu, J.S. September 4, 2001.

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Description

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.

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  • 2002 Future Car Congress, Arlington, VA (US), 06/03/2002--06/05/2002

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  • Report No.: P01-111531
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 788639
  • Archival Resource Key: ark:/67531/metadc717151

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  • September 4, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 22, 2016, 9:35 p.m.

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Hsu, J.S. A New Manufacturing Technology for Induction Machine Copper Rotors, article, September 4, 2001; Tennessee. (digital.library.unt.edu/ark:/67531/metadc717151/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.