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G61 Exact path mode
LinuxCNC Tormach G-code · Mill and lathe
Follows the programmed path exactly, slowing or stopping at corners as needed. Does not stop between straight moves in line.
Format
G61
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Modal, path control group. Cancel with G64.
Example program
G20 G17 G40 G49 G54 G80 G90 G94 (INCH, SAFE START)
T1 M6 G43
S3000 M3
G61 (SHARP CORNERS)
…
T1 M6 G43
S3000 M3
G61 (SHARP CORNERS)
…
The full 8-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Sharper corners but slower motion and more dwell marks on 3D parts.
Related codes
G61 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Exact stop mode |
| Haas NGC | Exact stop mode |
| Okuma OSP | Exact stop mode on |
| Mitsubishi M70 M80 | Exact stop check mode |
| Brother Speedio | Exact stop mode |
| Fagor 8055 8065 | Multiple machining in a rectangular pattern |
| Mach3 Mach4 | Exact stop mode |
| Centroid CNC12 Acorn | Exact stop mode |
| Hurco WinMax (NC) | Precision cornering, exact stop mode |
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Open G61 in the app All LinuxCNC Tormach G-codes