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G98 Feed per minute
Swiss (Citizen Star) G-code · Lathe
Sets F in inches per minute in G code system A. Used for live tool milling and C axis work.
Format
G98
Addresses
| Address | What it does |
|---|---|
None | No addresses |
How it works
Modal, group 05.
Example program
G98 (FEED PER MINUTE FOR MILLING)
G01 C90. F20. (C AXIS MOVE)
G99 (BACK TO PER REV)
G01 C90. F20. (C AXIS MOVE)
G99 (BACK TO PER REV)
Example is in inch. Check offsets and clearances first.
Watch out for
- Switch back to G99 after milling or the next turning feed will be a crawl.
Related codes
G98 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Canned cycle return to initial level |
| Haas NGC | Canned cycle initial point return |
| Mazak (EIA) | Canned cycle return to initial point |
| Mitsubishi M70 M80 | Canned cycle return to start level |
| Brother Speedio | Canned cycle return to initial point |
| Heidenhain TNC (ISO) | Set label |
| Fagor 8055 8065 | Return to initial plane |
| LinuxCNC Tormach | Cycle retract to start height |
| Mach3 Mach4 | Cycle return to initial point |
| Centroid CNC12 Acorn | Canned cycle return to start height |
| Hurco WinMax (NC) | Cycle return to initial point |
| Fadal | Fixed cycle return to start plane |
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