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G44 Tool length offset minus
Brother Speedio G-code · Mill
Subtracts the H offset from Z. Rarely used.
Format
G44 H Z
Addresses
| Address | What it does |
|---|---|
H | Offset number |
Z | First Z move |
How it works
Modal. Cancel with G49.
Example program
G44 H01 Z1. (MINUS OFFSET)
G00 Z.1 (APPROACH)
G49 (CANCEL)
G00 Z.1 (APPROACH)
G49 (CANCEL)
Example is in inch. Check offsets and clearances first.
Watch out for
- Almost every shop uses G43. Using G44 by mistake drives the tool into the part.
Related codes
G44 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Tool length compensation minus |
| Haas NGC | Tool length compensation minus |
| Mitsubishi M70 M80 | Tool length comp minus |
| Fagor 8055 8065 | Tool length compensation cancel |
| Mach3 Mach4 | Tool length offset minus |
| Centroid CNC12 Acorn | Tool length compensation minus |
| Hurco WinMax (NC) | Tool length offset minus |
| Fadal | Tool length compensation negative |
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