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G04 Dwell
Mitsubishi M70 M80 G-code · Mill
Pauses for a set time before the next block. Used at hole bottoms and for spindle or coolant settle time.
Format
G04 X or P
Addresses
| Address | What it does |
|---|---|
X | Dwell time in seconds, with decimal point |
P | Dwell time. Units without decimal point depend on a parameter |
How it works
Non-modal, group 00.
Example program
G01 Z-.5 F5. (FEED TO DEPTH)
G04 X.5 (DWELL HALF SECOND)
G00 Z.1 (RETRACT)
G04 X.5 (DWELL HALF SECOND)
G00 Z.1 (RETRACT)
Example is in inch. Check offsets and clearances first.
Watch out for
- Always write a decimal point, such as G04 X1.5, so the time cannot be read as milliseconds.
- In G95 feed per rev mode a parameter can make the dwell count spindle revolutions instead of seconds.
Related codes
G04 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Dwell |
| Haas NGC | Dwell |
| Mazak (EIA) | Dwell |
| Okuma OSP | Dwell |
| Brother Speedio | Dwell |
| Siemens 840D 828D | Dwell for time or spindle revolutions |
| Heidenhain TNC (ISO) | Dwell time |
| Fagor 8055 8065 | Dwell or stop block preparation |
| LinuxCNC Tormach | Dwell |
| Mach3 Mach4 | Dwell |
| Centroid CNC12 Acorn | Dwell |
| Hurco WinMax (NC) | Dwell |
| Fadal | Dwell |
| Swiss (Citizen Star) | Dwell |
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