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M148 Auto lift off at NC stop
Heidenhain TNC (ISO) M-code · Mill
Lifts the tool off the contour automatically at an NC stop or power failure. Distance is set in the tool table or by the machine builder. Reset with M149.
Format
M148
Addresses
| Address | What it does |
|---|---|
M148 | No addresses |
How it works
Modal. Cancel with M149.
Example program
N40 M148 *
N50 G01 G41 X+10 Y+10 F300 *
N140 M149 *
N50 G01 G41 X+10 Y+10 F300 *
N140 M149 *
Example is in inch. Check offsets and clearances first.
Watch out for
- Tools need LIFTOFF set to Y in the tool table on TNC 640. FUNCTION LIFTOFF is the newer form.
Related codes
M148 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Doosan (Fanuc) | Atc waiting pot home position check |
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