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G43.4 Tool center point control type 1
Mitsubishi M70 M80 G-code · Mill
Keeps the tool tip on the programmed point while rotary axes move. Rotary positions are given as axis angles.
Format
G43.4 H X Y Z A B C
Addresses
| Address | What it does |
|---|---|
H | Length offset number |
X Y Z | Tool tip position |
A B C | Rotary axis angles |
How it works
Modal, group 08. Cancel with G49.
Example program
G90 G54 G00 B0. C0. (ROTARY START)
G43.4 H06 X0. Y0. Z1. (TCP ON)
G01 Z.1 B15. F30. (MOVE WITH TILT)
G49 (TCP OFF)
G43.4 H06 X0. Y0. Z1. (TCP ON)
G01 Z.1 B15. F30. (MOVE WITH TILT)
G49 (TCP OFF)
Example is in inch. Check offsets and clearances first.
Watch out for
- CAM must post for tool tip programming. Normal 3 axis posts do not work in this mode.
- Option function. Feed rate is applied at the tool tip.
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 |
| Centroid CNC12 Acorn | Rotary tool center point |
| Hurco WinMax (NC) | 5 axis linear interpolation mode |
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