MANUFACTURING METHOD FOR LAMINATED IRON CORE AND LAMINATED IRON CORE
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
Mar 13, 2024
filing date -
Mar 20, 2023
priority date (Note) -
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Abstract
A manufacturing method for a laminated iron core, the manufacturing method includes: a punching process of punching a metal sheet to form a plurality of punched members including a first punched member and a second punched member; and a laminating process of forming a laminated body by laminating the plurality of punched members while changing a rotational lamination angle each time one or more punched members are laminated. In the laminating process, the plurality of punched members are laminated such that the rotational lamination angle is the same between the first punched member and the second punched member adjacent to each other in a boundary portion between two or more of the first punched members that are continuously laminated and two or more of the second punched members that are continuously laminated.
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