Workpiece positioning table with air bearing pads

Details Workpiece positioning table with air bearing pads Workpiece positioning table with air bearing pads

1980-12-22

1983-07-12

Watson, Robert C.

Work holders

Holder mounted for movement

With plural means for changing holder positions

269285, 269286, 2504421, B23Q 102

Patent

active

043926428

ABSTRACT:
Air bearing pads for supporting a one-axis table in a granite bridge positioning apparatus on a thin film of air include machine-thinned sections for providing resilience to the pads in order to permit flexing sufficient to accommodate surface irregularities on the supporting surface. A single air pressure regulator provides a source of pressurized air to flow-control devices of a plurality of air bearing pads supporting a one-axis table. The individual flow-control devices adjust the flow of air to their respective air bearing pads to individually adjust the lift of the pads.

REFERENCES:
patent: 3289868 (1966-12-01), Miller et al.
patent: 3344714 (1967-10-01), Hereth
patent: 4155173 (1979-05-01), Sprandel
patent: 4227752 (1980-10-01), Wilcock
patent: 4234175 (1980-11-01), Sato et al.

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