OF 96
E
XAMPLES
MANUAL
ISO programming
Exercise 8
Chapter 3
Page 72 of 96
CNC 8070
CIRCULAR INTERPOLATION. G2/3 Q
Exercise defining the Polar center (G30) and then the movement to carry out.
G0 Z100
T4D1
M6
S1000 M3
X-70 Y0
Z0
N1:
G1 G91 Z-5 F100
G90 G42 X-40 Y0 F1000
G37 I10
G30 I0 J0
G6 G3 Q0
G30 I60 J0
G6 G2 Q0
G1 Y-40
G30 I90 J-40
G6 G3 Q0
G1 Y0
G30 I30 J0
G6 G3 Q180
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.
G2/3 Q Interpolation with an angle.
IJ Absolute arc center coordinates referred to part zero. The Polar center is not affected
by the incremental coordinates because the format itself is already absolute.