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M04 Spindle counterclockwise
Fagor 8055 8065 M-code · Mill and lathe
Starts the spindle counterclockwise at speed S.
Format
M04 S
Addresses
| Address | What it does |
|---|---|
S | Spindle speed |
How it works
Modal. Replaced by M03 or M05.
Example program
T2 D2 (TOOL 2)
G97 S1000 M04 (SPINDLE CCW 1000 RPM)
G00 X2.0 Z0.1 (APPROACH)
G97 S1000 M04 (SPINDLE CCW 1000 RPM)
G00 X2.0 Z0.1 (APPROACH)
Example is in inch. Check offsets and clearances first.
Watch out for
- Used for left hand tools and many lathe setups with tools upside down.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
Related codes
M04 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Spindle on, reverse |
| Haas NGC | Spindle on counterclockwise |
| Doosan (Fanuc) | Left spindle reverse rotation |
| DMG Mori MAPPS (Fanuc) | Spindle start(reverse) |
| Mazak (EIA) | Spindle reverse rotation |
| Okuma OSP | Spindle counter clockwise (Lathes & Mills) |
| Mitsubishi M70 M80 | Spindle on counterclockwise |
| Brother Speedio | Spindle on counterclockwise |
| Siemens 840D 828D | Spindle on counterclockwise |
| Heidenhain TNC (ISO) | Spindle on counterclockwise |
| LinuxCNC Tormach | Spindle counterclockwise |
| Mach3 Mach4 | Spindle on counterclockwise |
| Centroid CNC12 Acorn | Spindle on counterclockwise |
| Hurco WinMax (NC) | Spindle on counterclockwise |
| Fadal | Spindle on counterclockwise |
| Swiss (Citizen Star) | Main spindle reverse |
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