Press drive with oil shear clutch/brake drives

Details Press drive with oil shear clutch/brake drives Press drive with oil shear clutch/brake drives

1995-09-05

1997-08-19

Pitts, Andrea L.

192 clutches and power-stop control

Clutch and brake

Sliding operation

192 12C, 192 85AA, F16D 6704

Patent

active

056578431

ABSTRACT:
A drive unit for driving a press is disclosed. The drive unit uses a hydraulically actuated oil shear brake unit located on one side of a flywheel and a hydraulically actuated oil shear clutch unit located on the opposite side if the flywheel. The brake is normally biased into its applied condition and the clutch is normally biased into its disengaged position. The engagement of the clutch and the release of the brake occur from the same hydraulic pressure source. The amount of overlap between the two units is accurately controlled by varying the biasing loads of the assemblies and accurately setting the stroke of the actuation member for each assembly.

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