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M3 Spindle clockwise

LinuxCNC Tormach M-code · Mill and lathe

Starts the spindle clockwise at the active S speed.

Format

M3 [S] [$]

Addresses

AddressWhat it does
SSpindle speed
$Spindle number, default 0, -1 for all

How it works

Modal, spindle group. Stays on until M4 or M5.

Example program

G20 G17 G40 G49 G54 G80 G90 G94 (INCH, SAFE START)
T1 M6 G43
S3000 M3 (SPINDLE ON CW AT 3000 RPM)
G0 X0 Y0 Z0.1

Example is in inch. Check offsets and clearances first.

Watch out for

Related codes

M4 · M5

M3 on other controls

The same number can mean something different on another control.

ControlMeaning
FanucSpindle on, forward
Haas NGCSpindle on clockwise
Doosan (Fanuc)Left spindle forward rotation
DMG Mori MAPPS (Fanuc)Spindle start(normal)
Mazak (EIA)Spindle normal rotation
Okuma OSPSpindle clockwise (Lathes & Mills)
Mitsubishi M70 M80Spindle on clockwise
Brother SpeedioSpindle on clockwise
Siemens 840D 828DSpindle on clockwise
Heidenhain TNC (ISO)Spindle on clockwise
Fagor 8055 8065Spindle clockwise
Mach3 Mach4Spindle on clockwise
Centroid CNC12 AcornSpindle on clockwise
Hurco WinMax (NC)Spindle on clockwise
FadalSpindle on clockwise
Swiss (Citizen Star)Main spindle forward

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Open M3 in the app All LinuxCNC Tormach M-codes

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