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G70 Finishing cycle
Mazak (EIA) G-code · Lathe
Finish turns the profile between blocks P and Q, used after G71, G72 or G73.
Format
G70 P Q
Addresses
| Address | What it does |
|---|---|
P | First block number of the profile |
Q | Last block number of the profile |
How it works
Non-modal.
Example program
T0202 (FINISH TOOL)
G96 S800 M03 (FINISH SPEED)
G00 G42 X1.6 Z.1 (START POINT, COMP ON)
G70 P10 Q20 (FINISH THE PROFILE)
…
G96 S800 M03 (FINISH SPEED)
G00 G42 X1.6 Z.1 (START POINT, COMP ON)
G70 P10 Q20 (FINISH THE PROFILE)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- The F and S inside the profile are used in G70. The F on the G71 line is ignored.
- Call nose comp G42 before G70 if the profile has tapers or radii.
Related codes
G70 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Finishing cycle |
| Haas NGC | Bolt hole circle |
| Mitsubishi M70 M80 | Finishing cycle |
| Siemens 840D 828D | Inch input for geometry |
| Heidenhain TNC (ISO) | Inch units |
| Fagor 8055 8065 | Inch programming |
| LinuxCNC Tormach | Lathe finishing cycle |
| Mach3 Mach4 | Inch units, Mach3 |
| Centroid CNC12 Acorn | Profile finishing cycle |
| Hurco WinMax (NC) | Inch input (Basic NC) |
| Fadal | Check for inch setting, older code |
| Swiss (Citizen Star) | Finish turning cycle |
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Open G70 in the app All Mazak G-codes