Punch press

Details Punch press Punch press

1987-02-06

1990-02-20

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

Common reciprocating support for spaced tools

72446, 83563, B21D 3714, B23Q 3155

Patent

active

049014277

ABSTRACT:
To easily mount the ram drive unit on the upper frame of a punch press without being subjected to the influence of heat generated from the ram drive unit, the ram drive unit (23) is mounted on the upper frame symmetrical right and left when seen from the front. To accurately determine the angular position of a tool set, the punch holder (95) is fitted to the cylindrical pivotal member (113) with a positive fit tolerance to eliminate a or slip along the circumferential direction thereof. Further, the punch press is provided with a die holder (17) including a die fixing device (133) composed of a die push member (169), a hydraulic cylinder (165) and a piston rod (167) and further with an automatic tool exchange device (29) located equidistantly away from the process position and the tool exchange position.

REFERENCES:
patent: 3765291 (1973-10-01), Stenfeld
patent: 3816904 (1974-06-01), Herb
patent: 4205427 (1980-06-01), Koch et al.
patent: 4423546 (1984-01-01), Scott et al.
patent: 4587716 (1986-05-01), Bytow

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