Apparatus for correcting displacement of movable members of mach

Details Apparatus for correcting displacement of movable members of mach Apparatus for correcting displacement of movable members of mach

1987-09-23

1988-10-04

Lastova, John R.

Boots, shoes, and leggings

364476, 36447435, G05B 1919

Patent

active

047759267

ABSTRACT:
In apparatus for correcting displacement of a movable member of a machine tool wherein the effect caused by the displacement of the movable member is corrected by a correction load applying device supplied with pressurized fluid, there is provided a position detector for detecting the position of the movable member to produce a position signal, a displacement correction value calculator for calculating a displacement correction value in accordance with the position signal for producing a displacement correction signal, and an electromagnetic valve supplied with the displacement correction signal for adjusting the pressure of the pressurized fluid.

REFERENCES:
patent: 3970830 (1976-07-01), White et al.
patent: 4356554 (1982-10-01), Susnjara et al.
patent: 4455789 (1984-06-01), Gehring
patent: 4486840 (1984-12-01), Klein et al.
patent: 4490944 (1985-01-01), Veale
patent: 4514796 (1985-04-01), Saulters et al.
patent: 4527244 (1985-07-01), Graham et al.

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