Work transfer in multi-stage forging apparatus

Details Work transfer in multi-stage forging apparatus Work transfer in multi-stage forging apparatus

1997-11-03

1999-02-02

Larson, Lowell A..

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

7240516, B21J 1310

Patent

active

058650571

ABSTRACT:
The invention provides a work transfer in a multi-stage forging apparatus for stepwise forging a work into a refined product.
The work transfer has an open-close type chuck which is, with its pair of finger members, suitable for grasping such a work whose diameter at its midportion is smaller than that at its endportions.
The work transfer is, in addition to the chuck open-close mechanism, provided with the chuck approach-recede mechanism for a work extract-insert function, which moves the chuck so that the finger members of the chuck may approach to and recede from a front face of a die.
The work transfer comprises a single camshaft rotating synchronously with a forging motion, and both the chuck open-close mechanism and the chuck approach-recede mechanism are operated by the single rotation of the camshaft.

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