CNC Machinist Calculator UltraG9 Decelerate with feed ramps, exact stop
Fadal G-code · Mill
Uses feed ramps so the axes slow down and come in position at the end of the move. Use it for sharp corners.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G9
How it works
Listed with G8. Check your software for modal or one block use.
Example program
N1 G0 G40 G49 G80 G90 G17 (FORMAT 2 SAFE START)
N2 T1 M6 (1-2 END MILL)
N3 G0 G90 G54 X0. Y0. S3000 M3
N4 G43 H1 Z.1 M8
…
N2 T1 M6 (1-2 END MILL)
N3 G0 G90 G54 X0. Y0. S3000 M3
N4 G43 H1 Z.1 M8
…
The full 7-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Slower cycle time. Use it only where corner accuracy matters.
Related codes
G9 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Exact stop, one block |
| Haas NGC | Exact stop, one block |
| Okuma OSP | Exact stop, one block |
| Mitsubishi M70 M80 | Exact stop check, one block |
| Brother Speedio | Exact stop check |
| Siemens 840D 828D | Exact stop, one block |
| Fagor 8055 8065 | Arc defined by three points |
| Mach3 Mach4 | Exact stop, one block |
| Centroid CNC12 Acorn | Decelerate and stop, one block |
| Hurco WinMax (NC) | Exact stop, one block |
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 G9 in the app All Fadal G-codes