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G43.1 Dynamic tool length offset
LinuxCNC Tormach G-code · Mill and lathe
Replaces the current length offset with values given in the block. The tool table is not changed.
Format
G43.1 [X] [Y] [Z] [A] [B] [C]
Addresses
| Address | What it does |
|---|---|
X Y Z | Offset value for each axis |
How it works
Modal, tool length group. Cancel with G49.
Example program
G20 G17 G40 G49 G54 G80 G90 G94 (INCH, SAFE START)
T4 M6 (TOOL NOT IN TABLE YET)
G43.1 Z2.125 (USE 2.125 LENGTH FOR NOW)
S2000 M3
…
T4 M6 (TOOL NOT IN TABLE YET)
G43.1 Z2.125 (USE 2.125 LENGTH FOR NOW)
S2000 M3
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- No motion is allowed in the same block.
- Good for a quick test cut. The value is lost on G49 or the next G43.
Related codes
G43.1 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Mitsubishi M70 M80 | Tool length comp along tool axis |
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