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M29 Synchronous tapping mode
Mitsubishi M70 M80 M-code · Mill and lathe
On some machines M29 before G84 selects rigid tapping, like Fanuc. Mitsubishi can use ,R1 in G84 instead.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
Addresses
| Address | What it does |
|---|---|
S | Spindle speed |
How it works
Until the tapping cycle is canceled.
Example program
G98 G84 Z-.75 R.1 F30.77 (.500-13 TAP)
G80 (CANCEL)
Example is in inch. Check offsets and clearances first.
Watch out for
- If M29 is not set up in parameters, it does nothing or alarms. Use ,R1 in G84 when unsure.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
Related codes
M29 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Rigid tapping mode |
| Haas NGC | Set output relay with M-Fin |
| Doosan (Fanuc) | Rigid tapping mode select |
| DMG Mori MAPPS (Fanuc) | Synchronized tapping mode |
| Mazak (EIA) | Robot service call |
| Okuma OSP | Tool interference check function on |
| Centroid CNC12 Acorn | Set tap direction for G84 |
| Hurco WinMax (NC) | Rigid tap on (ISNC) |
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