Electromagnetic induction heating apparatus and light alloy wheel manufacturing method
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United States of America Patent
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Aug 6, 2019
Grant Date -
Aug 16, 2018
app pub date -
May 1, 2017
filing date -
Jul 25, 2016
priority date (Note) -
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Abstract
To show an electromagnetic induction heating apparatus in which an object to be heated such as a half-finished light alloy wheel can be heated efficiently to have a predetermined temperature in a short time. An electromagnetic induction heating apparatus 1 includes a rotating body 2 with a plurality of magnets 21 arranged such that the same pole is positioned on the side of an object to be heated 8 and a rotation driving motor 3 for rotating the rotating body 2, in which the object to be heated 8 is heated by an induced current generated when the rotating body 2 is rotated. By controlling the distance D between the magnets 21 of the rotating body 2 and the object to be heated 8 with a moving motor 6, a light alloy wheel or the like, which has a high thermal expansion coefficient, can be well-heated efficiently.
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