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G97 Direct spindle RPM
Hurco WinMax (NC) G-code · Mill
S is direct RPM. This is the default spindle mode on the mill.
Format
G97 S M
Addresses
| Address | What it does |
|---|---|
S | Spindle RPM |
M | M03 or M04 direction |
How it works
Modal. Default.
Example program
T1 M06 (.500 END MILL)
G97 S3000 M03 (3000 RPM CW)
G00 X0. Y0. (START)
G97 S3000 M03 (3000 RPM CW)
G00 X0. Y0. (START)
Example is in inch. Check offsets and clearances first.
Watch out for
- In ISNC an S alone changes speed if the spindle is already on.
Related codes
G97 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Constant surface speed cancel |
| Haas NGC | Constant surface speed off |
| Mazak (EIA) | Constant RPM |
| Okuma OSP | Constant surface speed off |
| Mitsubishi M70 M80 | Constant surface speed off |
| Siemens 840D 828D | Cancel constant cutting speed |
| Fagor 8055 8065 | Constant tool center feed (mill) |
| LinuxCNC Tormach | Spindle RPM mode |
| Mach3 Mach4 | Constant RPM, Mach4 |
| Centroid CNC12 Acorn | Constant surface speed cancel |
| Swiss (Citizen Star) | Constant RPM |
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