Die cushion device

Details Die cushion device Die cushion device

2007-10-30

2007-10-30

Suhol, Dmitry (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

C072S453130, C072S465100, C267S119000, C267S130000

Reexamination Certificate

active

11152161

ABSTRACT:
A die cushion device is comprised of die cushion modules which are independently movable and unitized. The individual die cushion modules are provided with a cushion pad, a servomotor, a power transmission mechanism, a power conversion mechanism and a guide member. By configuring in this way, the design of the die cushion is facilitated, a drive mechanism of the die cushion becomes compact, and the number of types of parts used is decreased.

REFERENCES:
patent: 2233164 (1941-02-01), Glasner
patent: 5435166 (1995-07-01), Sunada
patent: 06-000543 (1994-01-01), None
patent: 06-000544 (1994-01-01), None

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