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G61 Exact stop mode
Centroid CNC12 Acorn G-code · Mill
Makes every move slow to a full stop with a short dwell at the end. Also turns smoothing off.
Format
G61
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Modal. Cancel with G64.
Example program
G20 G17 G40 G49 G80 G90 ; INCH, SAFE START
T1 M6 ; LOAD TOOL 1, Z GOES HOME FIRST
G54 G0 X0 Y0 ; WORK OFFSET 1
S3000 M3
…
T1 M6 ; LOAD TOOL 1, Z GOES HOME FIRST
G54 G0 X0 Y0 ; WORK OFFSET 1
S3000 M3
…
The full 9-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- G61 slows contouring a lot. Use it only where sharp corners matter.
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 |
| LinuxCNC Tormach | Exact path mode |
| Mach3 Mach4 | Exact stop mode |
| Hurco WinMax (NC) | Precision cornering, exact stop mode |
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Open G61 in the app All Centroid CNC12 Acorn G-codes