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M98 Machine open contours completely
Heidenhain TNC (ISO) M-code · Mill
At an open contour corner the control does not offset the corner point, so the tool cuts the full corner.
Format
M98
Addresses
| Address | What it does |
|---|---|
M98 | Programmed in the corner block |
How it works
Non-modal.
Example program
N60 G01 G41 X+10 Y+10 F300 *
N70 X+50 M98 *
N80 Y+60 *
N70 X+50 M98 *
N80 Y+60 *
Example is in inch. Check offsets and clearances first.
Watch out for
- Use where a step or open edge must be cut clean to the corner.
Related codes
M98 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Subprogram call |
| Haas NGC | Subprogram call |
| Doosan (Fanuc) | Sub program call |
| DMG Mori MAPPS (Fanuc) | Sub-program call in NC memory |
| Mazak (EIA) | EIA → EIA Subprogram call |
| Okuma OSP | Subprogram call (Lathes & Mills) |
| Mitsubishi M70 M80 | Subprogram call |
| Brother Speedio | Subprogram call |
| LinuxCNC Tormach | Fanuc style subprogram call |
| Mach3 Mach4 | Subprogram call |
| Centroid CNC12 Acorn | Call subprogram |
| Hurco WinMax (NC) | Subprogram call |
| Fadal | Execute subprogram |
| Swiss (Citizen Star) | Subprogram call |
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