Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 320, Issue 20, Pages 2474-2480Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2008.04.073
Keywords
non-riented electrical steel sheets; cutting; clamping; strain; short circuit
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In order to reduce energy loss in motors, the use of high-efficiency non-oriented electrical steel sheets and an optimal motor core design are important. It is also crucial to minimize the deterioration of magnetic properties during the motor core manufacturing process. Accordingly, this report evaluates the effects of cutting and clamping methods on the deterioration factors of motor cores. Magnetic properties are largely influenced by both cutting and clamping methods. While it is difficult to avoid cutting and clamping altogether, it is necessary to adopt suitable production conditions and minimize the deterioration involved. (C) 2008 Elsevier B.V. All rights reserved.
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