
PROGRAMMING4. INTERPOLATION FUNCTIONS
B–63524EN/01
48
In the angular axis control, the distance traveled along the perpendicular
axis (X) is corrected by the inclination of the angular axis (Y), and is
determined by the following formula.
Xa = – Yp × tanθ
The direction of ”Xa” is determined by the inclination angle (θ) and the
direction of the motion command to the angular axis (Y). In case the value
of tanθ is plus, the motion command of the angular axis (Y) and the
corrected command of the perpendicular (X) is opposite direction. For
example, if the inclination angle is 30 degree and the motion command
is plus to the angular axis (Y), the corrected command to the perpendicular
axis (X) is minus.
+Y (anglar axis)
+X(perpendicular axis)
coordinate system actually used
program coordinate system
move to plus direction
correct to minus direction : Xa
motion command to plus : Yp
θ (inclination angle)
Therefore positioning direction may be disagree with the actual correct
direction and the positioning direction of the parameter No.5440 in the
perpendicular axis (X) in the single direction positioning with angular
axis control.
For avoiding this disagreement, please set the parameter as follows.
D Notice in case of using
with the angular axis
control.