G99 – Canned Cycle – Retract Back To R Plane

This command is used in combination with canned cycles to retract the Z axis to the R plane value.

Syntax & Parameters

  • G99

Example program

N10 G99 G73 X10 Y10 Z-8 R2 Q1 F100

  • In the above program, after finishing the drilling cycle the Z axis will retract to the value defined by the R word.