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G49 Tool length offset cancel
Brother Speedio G-code · Mill
Cancels G43 or G44.
Format
G49
How it works
Modal.
Example program
G00 Z1. (CLEAR)
G49 (CANCEL LENGTH OFFSET)
G91 G28 Z0 (HOME)
G90 (ABSOLUTE)
G49 (CANCEL LENGTH OFFSET)
G91 G28 Z0 (HOME)
G90 (ABSOLUTE)
Example is in inch. Check offsets and clearances first.
Watch out for
- Cancel only at a safe Z. Z will jump by the offset amount.
Related codes
G49 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Tool length compensation cancel |
| Haas NGC | Tool length compensation cancel |
| Mazak (EIA) | Tool length offset cancel |
| Mitsubishi M70 M80 | Tool length comp cancel |
| LinuxCNC Tormach | Tool length offset cancel |
| Mach3 Mach4 | Tool length offset cancel |
| Centroid CNC12 Acorn | Tool length compensation cancel |
| Hurco WinMax (NC) | Tool length offset cancel |
| Fadal | Tool length offset cancel |
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