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M14/M15: Spindle brake / C-axis

Turns the spindle brake or C-axis-related functions on or off depending on the machine.

For reference only: syntax changes with the control, the post-processor and the machine parameters. Check the official manual and run a simulation before cutting. Legal notice.

Family
Auxiliary
Machine
Turning, Mill-turn
Risk
High
Example
M14 / M15
E.g.:
M14 / M15

Machine: Turning, Mill-turnRisk: High

Haas · Fanuc

  • Haas: It can be linked to spindle brake or optional C-axis.
  • Fanuc: Check the specific machine's M-code table.

Other codes in Auxiliary

See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does M14/M15 mean in a CNC program?

Turns the spindle brake or C-axis-related functions on or off depending on the machine. In the catalogue it appears as "Spindle brake / C-axis", within the Auxiliary family.

Can you give me an example of M14/M15?

M14 / M15 — Turns the spindle brake or C-axis-related functions on or off depending on the machine.

Which machines use M14/M15?

M14/M15 is used in: Turning, Mill-turn.

What should you watch out for with M14/M15?

High risk: a mistake here can cause a crash, a broken tool or an out-of-tolerance part. Simulate the program and dry-run it before cutting.

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