
B-63942EN/02 NC FUNCTION 9.ACCURACY COMPENSASION FUNCTION
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9.5 INTERPOLATION TYPE PITCH ERROR COMPENSATION
In stored pitch error compensation, the pitch error compensation pulse
at each pitch error compensation point is output in the interval
between that point and the next compensation point, as shown in the
figure below.
ε1
2
3
P0: Machine zero point
P1 P2
P3
Pitch error compensation
oint interval
(Setting the parameter)
1,
2,
3: Pitch error compensation amounts
P1, P2, P3: Pitch error compensation points
Fig. 9.5 (a) Stored pitch error compensation
In interpolation type pitch error compensation, the compensation
amount at each error compensation point is divided into pulses in the
interval between that point and the next point on the travel axis and
output, as shown in the figure below.
ε1
2
3
P0: Machine zero point
P1 P2
P3
Pitch error compensation
oint interval
(Setting the parameter)
1,
2,
3: Pitch error compensation amounts
P1, P2, P3: Pitch error compensation points
Fig. 9.5 (b) Interpolation type pitch error compensation