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G11 Straight line at feed rate, polar
Heidenhain TNC (ISO) G-code · Mill
Cuts a straight line to a point given by polar radius R and angle H around the pole I J. Handy for bolt circle shapes and polygons. Klartext: LP PR PA F.
Format
G11 [G40 G41 G42] R H [F]
Addresses
| Address | What it does |
|---|---|
R | Polar radius from the pole |
H | Polar angle in degrees |
F | Feed rate |
How it works
Modal path function. Blocks with only H repeat G11 to the new angle.
Example program
N50 I+50 J+50 *
N80 G11 G41 R+45 H+180 F250 *
N90 G26 R5 *
N100 H+120 *
…
N80 G11 G41 R+45 H+180 F250 *
N90 G26 R5 *
N100 H+120 *
…
The full 10-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Incremental angle G91 H+60 steps the angle by 60 degrees each block.
Related codes
G11 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Cancel programmable data input mode |
| Okuma OSP | Coordinate parallel shift and rotation |
| Fagor 8055 8065 | Mirror image on X |
| Hurco WinMax (NC) | Data setting mode cancel |
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