Hydraulic feed drive for flying upsetting presses

Details Hydraulic feed drive for flying upsetting presses Hydraulic feed drive for flying upsetting presses

1993-11-12

1995-05-23

Crane, Daniel C.

Metal deforming

With means to actuate both elements of tool-couple

72184, 72206, 7245301, B21J 912, B21B 1500

Patent

active

054170982

ABSTRACT:
Hydraulic feed drives for pressing tools of a flying upsetting press are integrated into closed hydraulic circuits and are driven by displacement pumps, with the hydraulic circuits being pressurized in order to improve the flow dynamics, and with internal regulation circuits and superimposed regulations circuits of the individual control components being provided for improving the regulation accuracy.

REFERENCES:
patent: 4213320 (1980-07-01), Vydrin
patent: 5195351 (1993-03-01), Heitze

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