Holding curved workpieces

Details Holding curved workpieces Holding curved workpieces

1982-06-28

1985-01-01

Watson, Robert C.

Work holders

With fluid means

Vacuum-type holding means

269 71, 269 76, 269 75, B23B 3130

Patent

active

044913060

ABSTRACT:
Large, spherically preshaped, thin workpieces are held and clamped in discrete, well-defined points under utilization of holding and clamping elements in which a portion of a head is universally pivotable about a point being the center of a sealing rim for a plenum chamber adjacent the engaging workpiece in which plenum chamber high pressure is established so that the workpiece can slide above the rim on an air cushion while it is being held through application of below-atmospheric suction pressure in the plenum.

REFERENCES:
patent: 3167326 (1965-01-01), Heessels
patent: 3207503 (1965-09-01), Clover
patent: 3833230 (1974-09-01), Noll
patent: 3838865 (1974-10-01), Roberts et al.

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