Loading patent…
AssigneeKuroda Precision Industries Ltd.
InventorsTomohiro OGIKUBO, Tatsuhiro YOSHIDA, Noriyuki HOSOKAWA
Estimating the term…
A method of manufacturing a divided laminated iron core, wherein the iron core laminae includes first iron core laminae and second iron core laminae, includes: a first connecting-portion punching step of punching each of connecting portions between divided iron core pieces constituting each first iron core lamina in a sheet steel strip; a second connecting-portion punching step of punching each of connecting portions between divided iron core pieces constituting each second iron core lamina; and a stacking step of stacking at least one of the first iron core laminae and at least one of the second iron core laminae and joining together the stacked iron core laminae, wherein the connecting portions between the divided iron core pieces of each first iron core lamina are configured to be separated more easily than the connecting portions between the divided iron core pieces of each second iron core lamina.
A method for manufacturing a divided laminated iron core by punching iron core laminae from a sheet steel strip such that each iron core lamina includes a plurality of divided iron core pieces connected with each other in a circumferential direction, and stacking a plurality of the iron core laminae, wherein the iron core laminae include first iron core laminae and second iron core laminae, the method comprising:
(canceled)
A device for manufacturing a divided laminated iron core by punching iron core laminae from a sheet steel strip such that each iron core lamina includes a plurality of divided iron core pieces connected with each other in a circumferential direction, and stacking a plurality of the iron core laminae, wherein the iron core laminae include first iron core laminae and second iron core laminae, the device comprising:
Dependencies are inferred from the claim text.