Tsugami M Code List New! 〈2025〉

| M-Code | Function | Notes | |--------|----------|-------| | | Program stop | Non-optional; requires cycle start to resume | | M01 | Optional stop | Only stops if Optional Stop switch is ON | | M02 | Program end | No rewind to top | | M03 | Spindle forward (CW) | Main spindle | | M04 | Spindle reverse (CCW) | Main spindle | | M05 | Spindle stop | Main spindle | | M08 | Coolant ON | Standard flood coolant | | M09 | Coolant OFF | | | M10 | Guide bushing clamp (closed) | Critical for Swiss turning | | M11 | Guide bushing unclamp (open) | Allows material retraction | | M12 | Sub-spindle clamp (collet close) | | | M13 | Sub-spindle unclamp (collet open) | | | M14 | Sub-spindle forward (CW) | | | M15 | Sub-spindle reverse (CCW) | | | M16 | Sub-spindle stop | | | M20 | Main spindle C-axis engagement | For live tooling or milling | | M21 | Main spindle C-axis disengagement | | | M25 | Sub-spindle C-axis engagement | | | M26 | Sub-spindle C-axis disengagement | | | M31 | Parts catcher extend | | | M32 | Parts catcher retract | | | M33 | Cutoff tool forward | For parting operations | | M34 | Cutoff tool retract | | | M35 | Bar feeder advance | | | M36 | Bar feeder retract | | | M40 | Main spindle gear low range | If machine has gearbox | | M41 | Main spindle gear high range | | | M50 | Synchronous tapping mode (main/sub) | M50 on, M51 off | | M70 | Work counter increment | Optional macro-controlled | | M98 | Subprogram call | | | M99 | Subprogram return / loop | |

Below is the foundational M code list applicable to the majority of Tsugami CNC lathes with Fanuc controls (0i-TF, 31i-B5, etc.). tsugami m code list