CNC Machinist Calculator UltraG76 Fine boring with oriented shift
Fadal G-code · Mill
Bores to depth, orients the spindle, shifts the bar off the wall, then rapids out so no drag line is left.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G76 X Y Z R0 [Q] [I J] F
Addresses
| Address | What it does |
|---|---|
Z | Hole bottom |
R0 | R0 plane where feed starts. Must be at or below the start plane |
Q | Shift in the Y plus direction |
I J | Shift amount and direction in X and Y |
F | Feed rate |
How it works
Modal fixed cycle. Cancel with G80.
Example program
N1 G0 G40 G49 G80 G90 G17 (FORMAT 2 SAFE START)
N2 T9 M6 (1.000 BORING BAR)
N3 G0 G90 G54 X1. Y1. S1200 M3
N4 G43 H9 Z1. M8 (START PLANE)
…
N2 T9 M6 (1.000 BORING BAR)
N3 G0 G90 G54 X1. Y1. S1200 M3
N4 G43 H9 Z1. M8 (START PLANE)
…
The full 7-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Set the boring bar tip so it points away from the shift direction after M19. Check it by hand first.
- Keep the shift small, .005 to .010 inch.
Related codes
G76 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Fine boring cycle |
| Haas NGC | Fine boring cycle |
| Mazak (EIA) | Fine boring cycle |
| Okuma OSP | Fine boring cycle |
| Mitsubishi M70 M80 | Fine boring cycle |
| Brother Speedio | Fine boring cycle |
| Fagor 8055 8065 | Probing move while touching |
| LinuxCNC Tormach | Lathe multi pass threading |
| Mach3 Mach4 | Fine boring, Mach4 |
| Centroid CNC12 Acorn | Fine boring cycle |
| Hurco WinMax (NC) | Fine boring with orient |
| Swiss (Citizen Star) | Multiple pass threading cycle |
Every G-code for Fadal 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 G76 in the app All Fadal G-codes