Cutting – Processes
Patent
1993-01-14
1996-10-29
Rada, Rinaldi I.
Cutting
Processes
83620, 836391, B26D 512
Patent
active
055687547
ABSTRACT:
A right angle shear press in which the upper blades are able to be positioned at a partially retracted park position and moved to a partially extended position to match the size of the shear cuts to a reduced stroke. A servocontroller and position sensor is used to control the stroke of a hydraulic actuator with a CNC controller allowing program controlled shear positioning and stroking.
REFERENCES:
patent: 3942400 (1976-03-01), Roch
patent: 4481847 (1984-11-01), Schneider et al.
patent: 4534255 (1985-08-01), Salvagnini
patent: 4738173 (1988-04-01), Kiuchi
patent: 4771663 (1988-09-01), Naito et al.
Benefiel John R.
Murata Machinery Ltd.
Rada Rinaldi I.
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