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G27 Reference position check
Mitsubishi M70 M80 G-code · Mill
Moves to the commanded point at rapid and checks it is the reference position. An alarm shows if it is not.
Format
G27 X Y Z
Addresses
| Address | What it does |
|---|---|
X Y Z | Reference position coordinates |
How it works
Non-modal, group 00.
Example program
G49 G40 (CANCEL COMP)
G27 X0. Y0. Z0. (CHECK AT REFERENCE)
M30 (END)
G27 X0. Y0. Z0. (CHECK AT REFERENCE)
M30 (END)
Example is in inch. Check offsets and clearances first.
Watch out for
- Cancel tool length comp and cutter comp first or the check fails.
Related codes
G27 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Reference position return check |
| Brother Speedio | Reference point return check |
| Heidenhain TNC (ISO) | Tangential departure on an arc |
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