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G97 Constant surface speed off
Mitsubishi M70 M80 G-code · Lathe
S is spindle RPM.
Format
G97 S
Addresses
| Address | What it does |
|---|---|
S | Spindle speed in RPM |
How it works
Modal, group 17.
Example program
G97 S1200 M03 (1200 RPM)
G00 X0. Z.1 (CENTER DRILL POSITION)
G01 Z-.25 F.004 (DRILL)
G00 X0. Z.1 (CENTER DRILL POSITION)
G01 Z-.25 F.004 (DRILL)
Example is in inch. Check offsets and clearances first.
Watch out for
- Threading must run in G97 so the lead stays correct.
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 |
| 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 |
| Hurco WinMax (NC) | Direct spindle RPM |
| Swiss (Citizen Star) | Constant RPM |
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