Hydraulic punch actuator with centering apparatus

Details Hydraulic punch actuator with centering apparatus Hydraulic punch actuator with centering apparatus

1996-03-20

1998-05-12

Rada, Rinaldi I.

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

83685, 83686, B26D 504, B26D 512

Patent

active

057492794

ABSTRACT:
A punch has a hydraulic actuating system incorporating reciprocal pumps and a reciprocal motor. The motor drives a punch secured to a punch plate or retainer into a die to cut friction pads from a sheet of material for placement in a carriage or directly onto a clutch plate. The punch retainer has a resting position during which the sheet of friction material is not contacted by the punch. To ensure the proper resting position, a plurality of power cylinders are pressurized to extend rod members to contact and position the punch retainer as required.

REFERENCES:
patent: 3949631 (1976-04-01), Goldman et al.
patent: 4214496 (1980-07-01), Carrieri
patent: 4339975 (1982-07-01), Carrieri
patent: 4633742 (1987-01-01), Gutowski et al.
patent: 4833884 (1989-05-01), Seko et al.
patent: 5182985 (1993-02-01), Gutowski
patent: 5492041 (1996-02-01), Valkanov

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