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M14 Main spindle brake on
Haas NGC M-code · Lathe
Applies the caliper brake to hold the main spindle. For C axis machines when live tool cutting at a fixed angle.
Format
M14
How it works
Modal until M15.
Example program
G98 (FEED PER MINUTE)
M133 P1500 (LIVE DRILL FORWARD 1500 RPM)
G00 G54 X1.5 C90. Z.1 (POSITION C AXIS)
M14 (SPINDLE BRAKE ON)
…
M133 P1500 (LIVE DRILL FORWARD 1500 RPM)
G00 G54 X1.5 C90. Z.1 (POSITION C AXIS)
M14 (SPINDLE BRAKE ON)
…
The full 6-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Release with M15 before turning or C axis moves.
- Use the brake for heavy live tool drilling and milling at a fixed C.
Related codes
M14 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Live tool on, reverse |
| Doosan (Fanuc) | Left spindle air blow on |
| Mazak (EIA) | Milling tool reverse rotation |
| Okuma OSP | Machine m-tool spindle counter clockwise |
| Heidenhain TNC (ISO) | Spindle counterclockwise and coolant on |
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Open M14 in the app All Haas NGC M-codes