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G43.4 Rotary tool center point
Centroid CNC12 Acorn G-code · Mill
With G43.3 comp active, feed moves keep the tool tip moving in a straight line while the head tilts.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G43.4 H
Addresses
| Address | What it does |
|---|---|
H | Tool length offset number |
How it works
Modal. Cancel with G49.
Example program
T1 M6 ; LOAD TOOL
G54 G0 X0 Y0 B0
G43.4 H1 Z2. ; TCP ON
G1 X1. B10. F20. ; TIP MOVES IN A STRAIGHT LINE
…
G54 G0 X0 Y0 B0
G43.4 H1 Z2. ; TCP ON
G1 X1. B10. F20. ; TIP MOVES IN A STRAIGHT LINE
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Z will move up and down during a tilt move. Check clearance in the graph first.
Related codes
G43.4 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Tool center point control type 1 |
| Mazak (EIA) | Tool center point control, type 1 |
| Mitsubishi M70 M80 | Tool center point control type 1 |
| Hurco WinMax (NC) | 5 axis linear interpolation mode |
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Open G43.4 in the app All Centroid CNC12 Acorn G-codes