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US 6,470,563 B1Granted
Method of manufacture for a stator core
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsYoshihito Asao, Masakazu Mori, Katsumi Adachi
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Abstract
A plurality of strips formed with tooth portions and core back portions is punched from a single band of sheet steel. Next, a plurality of strips is stacked such that the tooth portions line up together and the core back portions line up together and the stacked plurality of strips is integrated to form a strip lamination. Then, the strip lamination is wound spirally and the wound strip lamination is integrated to obtain a stator core.
Claims6
A method of manufacture for a stator core comprising:
- a punching process in which strips having tooth portions and core back portions are punched from a long band of sheet steel;
- a stacking process in which a plurality of said strips are stacked such that said tooth portions line up together and said core back portions line up together and the stacked plurality of strips are integrated to form a strip lamination;
- and
- a winding process in which said strip lamination is wound spirally and the wound strip lamination is integrated.
1 more element
Dependencies are inferred from the claim text.