Die for manufacturing laminated core

Details Die for manufacturing laminated core Die for manufacturing laminated core

1991-04-24

1992-11-17

Hall, Carl E.

Metal working

Plural diverse manufacturing apparatus including means for...

Separate tool stations for selective or successive operation...

29596, 29609, 29732, 29738, H02K 1502

Patent

active

051632179

ABSTRACT:
A die for manufacturing a laminated core for a rotor or a stator for an electric motor or a generator including rotary stacking and a skewing using a rotary die to stack the thin iron plates punched to a predetermined shape. Rotation of the crank shaft of the press is converted into a rotary stacking angle to take it out from the indexing device. Rotation of the crank shaft of the press is converted into a predetermined corresponding skew angle from the indexing device through a crank mechanism to take it out of the gear device. An amount of rotation having outputs from the indexing device and from the gear device combined with each other is taken out at the output shaft through a rotary friction transmitting mechanism and a rotation of this output shaft is applied to the rotary die.

REFERENCES:
patent: 4445272 (1984-05-01), Bruhn et al.
patent: 4619023 (1986-10-01), Neuenschwander
patent: 4704184 (1987-11-01), Oboshi
patent: 4738020 (1988-04-01), Neuenschwander

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