Hydraulic screw press

Details Hydraulic screw press Hydraulic screw press

1978-07-27

1980-03-04

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

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

72407, 72454, B21J 118

Patent

active

041910443

ABSTRACT:
A press featuring double-ended pressing action upon the blank, made use of in pressforging practice. The frame of the proposed press mounts the slides carrying the female die halves and those carrying the male dies, both of said groups of slides reciprocating towards each other. The slides carrying the male dies are actuated from the hydraulic power cylinders linked with their movable members to the slides through lead screws which in turn interact through their threading with the fly-wheels rotatably mounted on the frame. The essence of the invention resides in that the lead screws with their one end are movable associated with the male-die carrying slides and with the other end they are locked-in with the movable members of the hydraulic power cylinders actuating said screws, while the flywheels are interconnected through a mechanical gearing. It is due to the aforesaid feature that the press proposed herein provides for high accuracy of pressforging, endurance of die sets and operational reliability thereof.

REFERENCES:
patent: 3271991 (1966-09-01), Monahan
patent: 3422658 (1969-01-01), Michelson
patent: 3507143 (1970-04-01), Georg
patent: 3512467 (1970-05-01), Georg
patent: 4069700 (1978-01-01), Bocharov et al.

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