BORING CYCLE (G88)

BORING CYCLE (G88)

The G88 cycle is intended for boring and uses a P word, where P specifies the number of seconds to dwell.

Program: G88 X~ Y~ Z~ A~ R~ L~ P~

The G88 cycle is as follows:

  • Step 1: Preliminary canned cycle motion.
  • Step 2: Move the Z-axis only at the current feed rate to the Z position.
  • Step 3: Dwell for the P number of seconds.
  • Step 4: Stop the spindle turning.
  • Step 5: Stop the program so the operator can retract the spindle manually.
  • Step 6: Restart the spindle in the direction it was going.
BORING CYCLE (G88)