Positioning system

Details Positioning system Positioning system

1985-04-02

1987-06-02

Jones, Larry

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

318593, 318640, 82 27, F15B 1316, G05B 1118

Patent

active

046693599

ABSTRACT:
A system for positioning a movable body for a processing machine. A lead screw is rotatably and axially shiftably supported and engaged with the movable body. The lead screw is rotated by a motor to move the movable body. A hydrostatic thrust bearing is provided for preventing axial movement of the lead screw. The lead screw is finely moved in the axial direction by controlling the pressure difference of oil supplied to the thrust bearing to position the movable body.

REFERENCES:
patent: 3983467 (1976-09-01), Bossons et al.
patent: 3995206 (1976-11-01), Aronstein et al.
patent: 4282469 (1981-08-01), Moriyama
patent: 4315199 (1982-02-01), Kyomasu et al.
patent: 4513782 (1985-04-01), Contartese et al.

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