CNC Machinist Calculator UltraG87 Bore in and out, Fadal G87
Fadal G-code · Mill
Fadal lists G87 as a bore in and out cycle. It is not the Fanuc back bore.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G87 X Y Z R0 F
Addresses
| Address | What it does |
|---|---|
Z | Hole bottom |
R0 | R0 plane where feed starts. Must be at or below the start plane |
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
- Do not post a Fanuc back bore G87 to a Fadal. Check the manual before using it.
Related codes
G87 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Back boring cycle |
| Haas NGC | Boring cycle, stop and manual retract |
| Mazak (EIA) | Side drilling cycle, live tool |
| Okuma OSP | Back boring cycle |
| Mitsubishi M70 M80 | Back boring cycle |
| Brother Speedio | Back boring cycle |
| Fagor 8055 8065 | Rectangular pocket canned cycle |
| LinuxCNC Tormach | Back boring cycle, not implemented |
| Mach3 Mach4 | Back boring |
| Hurco WinMax (NC) | Back bore (ISNC) or chip breaker (BNC) |
| Swiss (Citizen Star) | Side drilling 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 G87 in the app All Fadal G-codes