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G00 Rapid positioning / Rapid positioning, lathe
Mazak (EIA) G-code · Mill, Lathe
On mills: Rapid positioning
Moves the axes at rapid traverse to the commanded point. Use it only for approach and retract moves. On Mazak the path can be a straight line or a dog-leg, set by parameter.
Format
Addresses
| Address | What it does |
|---|---|
X Y Z | End point, absolute in G90 or incremental in G91 |
A B C | Rotary axis end point on machines with rotary axes |
How it works
Modal, group 01. Stays active until G01, G02, G03 or a canned cycle.
Example program
G43 H01 Z1. (LENGTH OFFSET, RAPID TO CLEARANCE)
Z.1 (RAPID TO JUST ABOVE PART)
G01 Z-.25 F20. (FEED DOWN)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Do not assume a straight line path. Move Z up first, then X and Y, when clearing clamps.
- Rapid override on the panel slows G00 but not to zero on every machine. Check before prove-out.
On lathes: Rapid positioning, lathe
Moves at rapid traverse. X is a diameter value. U and W are incremental moves.
Format
Addresses
| Address | What it does |
|---|---|
X Z | Absolute end point, X as a diameter |
U W | Incremental move, U as a diameter change |
C | C axis position in milling mode |
How it works
Modal, group 01.
Example program
G97 S1000 M03 (SPINDLE ON)
G00 X2.1 Z.1 M08 (RAPID TO START)
G01 Z-1. F.008 (TURN)
…
The full 6-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Move X clear before Z moves toward the chuck.
- The path may not be a straight line.
Related codes
G00 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Rapid positioning |
| Haas NGC | Rapid motion positioning |
| Okuma OSP | Rapid positioning |
| Mitsubishi M70 M80 | Rapid positioning |
| Brother Speedio | Rapid positioning |
| Siemens 840D 828D | Rapid traverse positioning |
| Heidenhain TNC (ISO) | Rapid straight line, Cartesian |
| Fagor 8055 8065 | Rapid traverse |
| LinuxCNC Tormach | Rapid move |
| Mach3 Mach4 | Rapid move |
| Centroid CNC12 Acorn | Rapid positioning |
| Hurco WinMax (NC) | Rapid positioning |
| Fadal | Rapid travel |
| Swiss (Citizen Star) | Rapid positioning |
Every G-code for Mazak (EIA) in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.
Open G00 in the app All Mazak G-codes