Numerical control device for a grinding machine

Details Numerical control device for a grinding machine Numerical control device for a grinding machine

1990-08-20

1992-04-14

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318600, 318628, 318632, B24B 4910, G05B 1918

Patent

active

051051370

ABSTRACT:
A numerical control device for a grinding machine is equipped with a servo-motor which moves at least one of a spindle and a dresser. The spindle and/or the dresser moves relative to the dresser shaft center direction and the rotor shaft center direction. The numerical control device compensates an amount of servo lag using a target position compensation calculating circuit. A unit time target position is obtained by performing a track calculation at unit times on the basis of the amount of servo lag stored in a storage device. Feedback control of the servo motor is effected by calculating a compensated target position dependent on the unit time target position.

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