Chapter 7
122
UM10349_PCNC1100_Manual_0916A
Programming
G86 Cycle – Boring Cycle (Dwell, Rapid Out)
The G86 cycle is intended for boring. This cycle uses a P number for the number of seconds to dwell.
Program: G86 X~ Y~ Z~ A~ R~ L~ P~
Step # Description
1 Preliminary canned cycle motion
2
Move the Z-axis only at the current feed rate to the Z position
3 Dwell for the P number of seconds
4 Stop the spindle turning
5 Retract the Z-axis at traverse rate to clear Z
6 Restart the spindle in the direction it was going
7 Move the Z-axis only at the current feed rate to the Z position
The spindle must be turning before this cycle is used. It is an error if:
• The spindle is not turning before this cycle is executed
7.6.2.6 G88 Cycle – Boring Cycle (Dwell, Manual Out)
The G88 cycle is intended for boring and uses a P word, where P species the number of seconds to dwell.
Program: G88 X~ Y~ Z~ A~ R~ L~ P~
Step # Description
1 Preliminary canned cycle motion
2
Move the Z-axis only at the current feed rate to the Z position
3 Dwell for the P number of seconds
4 Stop the spindle turning
5 Stop the program so the operator can retract the spindle manually
6 Restart the spindle in the direction it was going
7.6.2.7 G89 Cycle – Boring Cycle (Dwell, Feed rate out)
The G89 cycle is intended for boring. This cycle uses a P number, where P species the number of
seconds to dwell. Program: G89 X~ Y~ Z~ A~ R~ L~ P~
Step # Description
1 Preliminary canned cycle motion
2
Move the Z-axis only at the current feed rate to the Z position
3 Dwell for the P number of seconds
4 Retract the Z-axis at the current feed rate to clear Z
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