Press machine with an adjustable shut height

Details Press machine with an adjustable shut height Press machine with an adjustable shut height

1984-10-29

1987-06-30

Crane, Daniel C.

Metal deforming

By plural tool-couples

72455, 72413, 72473, 72472, 72446, 83527, 100257, B21J 1303

Patent

active

046760903

ABSTRACT:
A press machine is disclosed which is provided with a plurality of press dies fixedly secured on a bolster. The machine has a vertically reciprocable frame member with a predetermined constant stroke, which carries a plurality of pressure plates cooperating with the die, respectively. Each pressure plate is axially movable with respect to the frame member and threadedly connected with a spacer plate arranged between the frame member and the pressure plate. The shut height of the machine can be individually adjusted for each pressure plate, by rotating the spacer plate relative to the pressure plate. The shut height can be optimized very easily and in short a time so that the productivity can considerably be improved.

REFERENCES:
patent: Re3741 (1869-11-01), Howard
patent: 144969 (1873-11-01), Evans
patent: 174107 (1876-02-01), Boomer
patent: 245036 (1881-08-01), Weir
patent: 282747 (1883-08-01), Merriman
patent: 364142 (1887-05-01), Stiles
patent: 1437953 (1922-12-01), Baily
patent: 1788071 (1931-01-01), Strout
patent: 2334520 (1943-11-01), Walters
patent: 2439725 (1948-04-01), Frost
patent: 2592152 (1952-04-01), Johansen

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