Machine tool for working sheet metal

Cutting – Means to drive or to guide tool – Means to change datum plane of tool or tool presser stroke

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Details

83552, 83685, 318467, 318620, B26D 508, B26F 114

Patent

active

045384932

ABSTRACT:
A machine tool for working sheet metal is described. The principal characteristic of the present invention lies in the fact that it comprises electronic apparatus operable to control the adjustment of the stroke of a striker which can strike a pin supporting a tool for punching or nibbling a metal sheet.

REFERENCES:
patent: 3139779 (1964-07-01), Bredow
patent: 3662640 (1972-05-01), Wrona
patent: 3853029 (1974-12-01), Todd
patent: 4250441 (1981-02-01), Chapman et al.
patent: 4256999 (1981-03-01), Richter et al.
patent: 4265156 (1981-05-01), Stubbings

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