CNC Machinist Calculator UltraM41 Low range RPM
Fadal M-code · Mill
Selects the low gear range on machines with a two speed spindle.
Format
M41
How it works
Modal.
Example program
N1 G0 G40 G49 G80 G90 G17 (FORMAT 2 SAFE START)
N2 T10 M6 (3.0 FACE MILL)
N3 G0 G90 G54 X-2. Y0. S500 M41 (LOW RANGE)
N4 M3
N2 T10 M6 (3.0 FACE MILL)
N3 G0 G90 G54 X-2. Y0. S500 M41 (LOW RANGE)
N4 M3
Example is in inch. Check offsets and clearances first.
Watch out for
- Use low range for big tools and heavy cuts.
Related codes
M41 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Low gear range |
| Haas NGC | Spindle low gear override |
| Okuma OSP | Spindle gear range 1 |
| Siemens 840D 828D | Gear stage selection M40 to M45 |
| Fagor 8055 8065 | Spindle gear range 1 |
| Centroid CNC12 Acorn | Select low gear range, macro |
| Hurco WinMax (NC) | Single touch probing |
Every M-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 M41 in the app All Fadal M-codes