Dual action indexing system and method for a die assembly

Details Dual action indexing system and method for a die assembly Dual action indexing system and method for a die assembly

1996-12-05

1999-03-16

Moon, Daniel B.

Metal working

Method of mechanical manufacture

Electrical device making

29598, 29596, H01F 4106

Patent

active

058814507

ABSTRACT:
A dual action indexing system and method for relatively rotating a lamina and a partial lamina stack in a progressive die assembly. The dual action indexing system includes a mechanical indexer such as a roller gear cam which provides a large indexed rotational movement to correct for thickness inconsistencies in the laminas and a relatively small and fast servo motor to provide a small indexed rotational movement to provide a desired skew angle. The rotational movements of the mechanical indexer and servo motor are combined by a phase adjuster. The combined rotational movement is used to rotate a choke barrel into which the laminas are punched to form a lamina stack. The operation of the servo motor is regulated by a controller and may thereby be conveniently and rapidly adjusted.

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