Fagor CNC 8070 - Circular Interpolation. G9 RQ IJ

E
XAMPLES MANUAL
Chapter 3
Page 75 of 96
ISO programming
Exercise 8
CNC 8070
CIRCULAR INTERPOLATION. G9 RQ IJ
Using the function for an arc defined by three points, in Polar.
G9 R_ Q_ I_ J_
G0 Z100
T4D1
M6
S1000 M3
X-70 Y0
Z0
N1:
G1 G91 Z-5 F100
G90 G42 X-40 Y0 F1000
G30 I0 J0
G37 I10
G9 R40 Q0 I0 J-40
G30 I60 J0
G9 R20 Q0 I60 J20
G1 Y-40
G30 I90 J-40
G9 R10 Q0 I90 J-50
G1 Y0
G30 I30 J0
G9 R70 Q180 I30 J70
G1 Z20
G1 X-20 Y0
G1 Z-20
G3 X-20 Y0 I20 J0
G1 Z20
G38 I10
G1 G40 X-70 Y0
G1 Z-20
N2:
#RPT [N1,N2,3]
G0 Z100
M30
G30 I J Definition of the Polar center. Using absolute auxiliary coordinates.
RQ Arc radius and angle referred to the Polar center.
IJ It defines any point of the arc.