Numerical control error compensating system

Details Numerical control error compensating system Numerical control error compensating system

1979-04-02

1981-02-17

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Antibacklash systems

318632, G05B 1101

Patent

active

042517613

ABSTRACT:
A positioning error, relative to a command value, is premeasured for forward and backward movements of a movable machine part and is set in an error setting means. When the movable machine part is moved in accordance with the command value, the error information set in the error setting means corresponding to the commanded direction of movement is read out to compensate for an error. When the direction of movement of the movable machine part is reversed, integrated contents of the error information, set in the error setting means, are added to the amount of backlash to compensate for an error.

REFERENCES:
patent: 3560830 (1971-02-01), Steinberg
patent: 3766461 (1973-10-01), Leenhouts
patent: 3886424 (1975-05-01), Hoshina et al.

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