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G76 Fine boring with orient
Hurco WinMax (NC) G-code · Mill
Bores to depth, stops and orients the spindle, shifts off the wall and rapids out with no drag mark.
Format
G76 X Y Z R {Q or I J} [P] F [K or L]
Addresses
| Address | What it does |
|---|---|
X Y | Hole position |
Z | Hole bottom |
R | R plane |
Q | Shift amount, positive. Direction from the Holes Parameters |
I J | Shift with direction |
P | Dwell at bottom |
F | Feed rate |
How it works
Modal, group 09. Cancel with G80.
Example program
T8 M06 (1.000 BORING BAR)
G90 G54 G00 X2. Y2. S1200 M03 (BORE CENTER)
G43 H08 Z1. M08 (LENGTH OFFSET)
G98 G76 Z-1. R.1 Q.01 F4. (BORE, SHIFT .01, RAPID OUT)
…
G90 G54 G00 X2. Y2. S1200 M03 (BORE CENTER)
G43 H08 Z1. M08 (LENGTH OFFSET)
G98 G76 Z-1. R.1 Q.01 F4. (BORE, SHIFT .01, RAPID OUT)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Set the boring bar tip to point away from the shift direction at orient. Wrong setup drags the tip through the bore.
- Q is modal and is also the peck for G73 and G83. Clear it after boring.
- Needs a spindle orient. In BNC, G86 is the older form of this cycle.
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 |
| Fadal | Fine boring with oriented shift |
| Swiss (Citizen Star) | Multiple pass threading cycle |
Every G-code for Hurco WinMax (NC) 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 Hurco WinMax G-codes