6. Interpolation Functions
6.8 Unidirectional Positioning
61
Example of program
Thread lead ..... 3 threads/inch (= 8.46666 ...)
When programmed with
δ
1
= 10mm,
δ
2
= 10mm using metric input
Z
X
Y
X
δ
1
50.0mm
δ
2
N210 G90 G0X-200. Y-200. S50M3;
N211 Z110.;
N212 G91 G33 Z-70.E3.0;
(First thread cutting)
N213 M19;
N214 G90 G0X-210.;
N215 Z110.M0;
N216 X-200.;
M3;
N217 G04 X2.0;
N218 G91 G33 Z-70.;
(Second thread cutting)
6.8 Unidirectional Positioning; G60
Function and purpose
The G60 command can position the tool at a high degree of precision without backlash error by
locating the final tool position from a single determined direction.