System information

SECTION FOUR - PREPARATORY FUNCTIONS (G CODES)
Bore/Dwell cycle (G89)
G89 G98/G99 Z___ P___ F___
The G89 command specifies the bore with dwell cycle. At each following axis position this cycle
will do the following.
4. Feed to point R
G81 R.1 X-1 F20 (X depth is -1)
Z5 (drills a hole at Y3 Z5)
1. Rapid to point R
2. Feed to point Z
3. Dwell at bottom (specified by P code)
5. Rapid to initial point, if specified by the G98 code
Sample program to drill holes in the YZ plane.
G19
Y3 Z2 (drills a hole at Y3 Z2)
Y-1 (drills a hole at Y-1 Z5)
G80
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