ANNEALING METHOD FOR LAYERED CORE

PROBLEM TO BE SOLVED: To achieve high productivity by shortening heating time in annealing a layered core formed by layering magnetic steel sheets.SOLUTION: A layered core 9 is disposed at an inner periphery of a solenoid 1. The layered core 9 is inductively heated to a predetermined temperature by...

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Bibliographic Details
Main Authors ARAI SATOSHI, UMETSU KENJI, OSUGI YASUO
Format Patent
LanguageEnglish
Published 08.08.2013
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Summary:PROBLEM TO BE SOLVED: To achieve high productivity by shortening heating time in annealing a layered core formed by layering magnetic steel sheets.SOLUTION: A layered core 9 is disposed at an inner periphery of a solenoid 1. The layered core 9 is inductively heated to a predetermined temperature by passing an alternating current through the solenoid 1 for energization and is subsequently gradually cooled.
Bibliography:Application Number: JP20120013390