CNC Machinist Calculator UltraG63 Tapping mode
Fanuc G-code · Mill
Turns off feed override and makes feed hold wait until the end of the block. Used when programming tapping with G01 moves and a floating holder.
Format
G63
How it works
Modal, group 15. Cancel with G64.
Example program
G63 (TAPPING MODE)
G01 Z-.6 F25. (TAP IN)
M04 (REVERSE SPINDLE)
Z.1 (TAP OUT)
…
G01 Z-.6 F25. (TAP IN)
M04 (REVERSE SPINDLE)
Z.1 (TAP OUT)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Canned cycles G84 and G74 set this condition by themselves. G63 is for hand coded tapping.
- Spindle reversal must be programmed by you with M03 and M04.
Related codes
G63 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Mitsubishi M70 M80 | Tapping mode |
| Brother Speedio | Tapping mode |
| Siemens 840D 828D | Tapping with compensating chuck |
| Fagor 8055 8065 | Multiple machining in a circular pattern |
Every G-code for Fanuc in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.
Open G63 in the app All Fanuc G-codes