Numerical control systems for machine tools

Details Numerical control systems for machine tools Numerical control systems for machine tools

1978-03-13

1980-06-03

Rubinson, Gene Z.

Electricity: motive power systems

Positional servo systems

With compensating features

318561, 29 6, G05D 23275

Patent

active

042063930

ABSTRACT:
In a numerical control system of a machine tool wherein a servo-system for driving tool, table etc. is controlled by a control instruction signal expressed by a given function equation, there are provided a control instruction signal generator which generates a signal representing a control instruction value, a correction device for producing a correction signal corresponding to a phase lag angle of a servo-drive system for driving a working shaft and a correction device for correcting the control instruction value in accordance with the correction signal.

REFERENCES:
patent: 3555252 (1971-01-01), Garden
patent: 3555254 (1971-01-01), Gerber
patent: 3644719 (1972-02-01), Rouxel et al.
patent: 3917930 (1975-11-01), Davey et al.

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