M21/M22: Tailstock advance/retract
Control of the tailstock or a linear auxiliary element on equipped lathes.
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
- Lathe
- Machine
- Turning, Mill-turn
- Risk
- High
- Example
- M21 / M22
M21 / M22Machine: Turning, Mill-turnRisk: High
Haas · Fanuc
- Haas: On Haas lathes it can control tailstock advance/retract.
- Fanuc: Confirm interlocks, piece and pressure before use.
Other codes in Lathe
Frequently Asked Questions (FAQ)
What does M21/M22 mean in a CNC program?
Control of the tailstock or a linear auxiliary element on equipped lathes. In the catalogue it appears as "Tailstock advance/retract", within the Lathe family.
Can you give me an example of M21/M22?
M21 / M22 — Control of the tailstock or a linear auxiliary element on equipped lathes.
Which machines use M21/M22?
M21/M22 is used in: Turning, Mill-turn.
What should you watch out for with M21/M22?
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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