Gear cutting – milling – or planing – Milling – Process
Patent
1994-06-02
1998-04-28
Howell, Daniel W.
Gear cutting, milling, or planing
Milling
Process
269 21, 279 3, 408 76, 409225, 409903, B23Q 300
Patent
active
057436851
ABSTRACT:
Disclosed herein is a clamping device comprising a workpiece-engaging portion including a workpiece-engaging surface; sealing means for sealing the workpiece-engaging portion with the workpiece; the sealing means including a first resilient member arranged to seal between the workpiece-engaging surface and the workpiece, wherein the sealing means, the workpiece-engaging portion and the workpiece collectively form a first chamber; vacuum supply means for supplying a vacuum to the first chamber to draw together the workpiece and the workpiece-engaging portion; and pressure supply means for applying a pressure to the first resilient member to force the first resilient member against the workpiece-engaging portion and the workpiece. Also disclosed is a method for clamping a workpiece to a processing machine as well as a workpiece processing machine incorporating the clamping device.
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Howell Daniel W.
O'Rourke Thomas A.
Quickmill Inc.
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