IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Paper
Development of a Magnetic Flux Controlled-Type Spot-Welding Machine
Yoshiaki TakasakiToshikatu SonodaSeiya Fujii
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2005 Volume 125 Issue 5 Pages 420-425

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Abstract
A large number of spot-welding machines are at use in the automotive, home appliance and can-making industries. For example, two steel sheets several mm thick can be welded with a second or two of several kA of current, which supplies the requisite thermal energy. This paper outlines the development of a spot welder utilizing storage batteries as the power supply. Each time the transformer flux level reached a preset ± desired value the polarity of the primary current is switched. Welding current is output continuously until the energy required for welding is developed.
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© 2005 by the Institute of Electrical Engineers of Japan
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