Specifications

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CONCISE GUIDE FANUC 83
4.10 “G84” FRONT TAPPING CYCLE
THIS CYCLE IS NOT VALID FOR TAPPING WITH MOTOR DRIVEN TOOLS
FOR TAPPING WITH MOTOR DRIVEN TOOLS SEE FUNCTIONS P9103 AND P9104
Function “G84” activates the front tapping cycle.
With this function the tapping drill enters with a feed equal to the tapping pitch, feed reduction and spindle
revs to reach the end point of the tapping simultaneously, reverse spindle rotation, simultaneous
acceleration of spindle and axis and return to starting point.
The front drilling cycle can contain these codes:
• Z => End of tapping absolute value
• F => Tapping pitch (in mm/rev.)
Example:
N12 T404 (TAPPING M10 x 1.5)
N13 G54
N14 G97 S300 M3
N15 G0 X0 Z5 M8
N16 G84 Z-35 F1.5
N17 G80
N18 G0 X200 Z200