Cutting – Means to drive or to guide tool – Means to change datum plane of tool or tool presser stroke
Patent
1979-08-01
1983-04-05
Schran, Donald R.
Cutting
Means to drive or to guide tool
Means to change datum plane of tool or tool presser stroke
83527, 83428, 100257, B26D 726, B30B 1514
Patent
active
043787177
ABSTRACT:
A circuit or control arrangement for an adjusting drive of a press ram of a high-speed cutting press which includes top and bottom dies respectively attached to the press ram and a platen of the press with the top die being adapted to dip or penetrate during a cutting process into the bottom die. An arrangement is provided for maintaining the depth of penetration of the upper die means into the lower die means at a constant value in dependence upon an operating condition of the high-speed cutting press. The maintaining arrangement may include at least one limit switch operatively connected with an oscillator stage which provides adjusting signals to the drive motor. In lieu of a limit switch, a cutting force measuring sensor member may be interconnected with an evaluator circuit and the oscillator means so as to control the drive motor.
REFERENCES:
patent: 3162232 (1964-12-01), Munschauer et al.
patent: 3687069 (1972-08-01), Helrigel et al.
patent: 3780814 (1973-12-01), Herb
patent: 4033252 (1977-07-01), Baker
patent: 4135446 (1979-01-01), Bareis et al.
Bergmann Ewald
Gering Gerhard
Schneider Franz
L. Schuler GmbH
Schran Donald R.
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