CNC Machinist Calculator UltraG4 Dwell
Fadal G-code · Mill
Pauses for the time in P. On a Fadal P is in milliseconds, so P1000 is one second.
Format
G4 P
Addresses
| Address | What it does |
|---|---|
P | Dwell time in milliseconds |
How it works
Non modal.
Example program
N1 G0 G40 G49 G80 G90 G17 (FORMAT 2 SAFE START)
N2 T3 M6 (1-2 SPOT DRILL)
N3 G0 G90 G54 X1. Y1. S1500 M3
N4 G43 H3 Z.1 M8
…
N2 T3 M6 (1-2 SPOT DRILL)
N3 G0 G90 G54 X1. Y1. S1500 M3
N4 G43 H3 Z.1 M8
…
The full 7-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- P is milliseconds, not seconds. A Fanuc style P1. or X1. gives almost no dwell.
- For a three revolution dwell use 180000 divided by RPM.
Related codes
G4 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 |
| Mitsubishi M70 M80 | 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 |
| Swiss (Citizen Star) | Dwell |
Every G-code for Fadal 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 G4 in the app All Fadal G-codes