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G29 Return from reference position
Mitsubishi M70 M80 G-code · Mill
Moves from the reference position back through the G28 intermediate point to the commanded point.
Format
G29 X Y Z
Addresses
| Address | What it does |
|---|---|
X Y Z | Target point after passing the intermediate point |
How it works
Non-modal, group 00.
Example program
G91 G28 Z0. (Z HOME)
G90 G29 X2. Y1. Z.1 (BACK THROUGH INTERMEDIATE POINT)
G01 Z-.2 F10. (CONTINUE)
G90 G29 X2. Y1. Z.1 (BACK THROUGH INTERMEDIATE POINT)
G01 Z-.2 F10. (CONTINUE)
Example is in inch. Check offsets and clearances first.
Watch out for
- The path goes through the last G28 intermediate point. Make sure that point is still safe.
Related codes
G29 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Return from reference position |
| Haas NGC | Return from reference point |
| Brother Speedio | Return from reference point |
| Heidenhain TNC (ISO) | Last position becomes the pole |
| Centroid CNC12 Acorn | Return from reference point |
| Hurco WinMax (NC) | Return from reference point |
| Fadal | Return from zero |
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