Hydraulic drop forging press of above-construction with prestres

Details Hydraulic drop forging press of above-construction with prestres Hydraulic drop forging press of above-construction with prestres

1981-08-21

1983-12-13

Crosby, Gene

Metal deforming

With tool carrier

7245301, 72456, B21J 902

Patent

active

044198787

ABSTRACT:
A hydraulic drop forging press has a prestressed frame comprising vertical columns and crossheads. A stationary piston is mounted on an upper crosshead and the press tool is carried by a moving cylinder. The cylinder is guided in a stationary upper guide mounted in the intermediate crosshead, and lower guides on the cylinder are guided on the columns.

REFERENCES:
patent: 2582889 (1952-01-01), Sedgwick
patent: 2594204 (1952-04-01), Nowak
patent: 2730981 (1956-01-01), Ernst
patent: 3892122 (1975-07-01), Snell
"Hydraulic Presses and Hydraulic Pressure Systems", Ernst Muller, vol. 1, "Forging Presses", 3rd Ed. 1962 Springer-Verlag pp. 32-34 and 58-65.

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