CNC Machinist Calculator UltraHome › G-codes › Brother Speedio › G73
G73 High speed peck drilling
Brother Speedio G-code · Mill
Drills in Q depth pecks with a short back-off to break chips. Fast cycle for short holes.
Format
G73 X Y Z R Q F
Addresses
| Address | What it does |
|---|---|
X Y | Hole position |
Z | Hole bottom |
R | R plane |
Q | Peck depth |
F | Feed rate |
How it works
Modal, canned cycle. Cancel with G80.
Example program
G100 T02 G90 G54 G00 X1. Y1. G43 H02 Z1. S3000 M03 (.250 DRILL)
M08 (COOLANT ON)
G99 G73 Z-.6 R.1 Q.1 F12. (PECK DRILL)
X2. (NEXT HOLE)
…
M08 (COOLANT ON)
G99 G73 Z-.6 R.1 Q.1 F12. (PECK DRILL)
X2. (NEXT HOLE)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- The tool does not leave the hole. Use G83 for deep holes that pack chips.
- Back-off amount is set in a parameter.
Related codes
G73 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | High speed peck drilling |
| Haas NGC | High speed peck drilling cycle |
| Mazak (EIA) | High speed peck drilling |
| Okuma OSP | High speed deep hole drilling |
| Mitsubishi M70 M80 | High speed peck drilling |
| Heidenhain TNC (ISO) | Rotation of the coordinate system |
| Fagor 8055 8065 | Pattern rotation |
| LinuxCNC Tormach | Chip breaking drill cycle |
| Mach3 Mach4 | High speed peck drill |
| Centroid CNC12 Acorn | High speed peck drilling cycle |
| Hurco WinMax (NC) | High speed peck drilling |
| Fadal | Peck drill, chip break |
| Swiss (Citizen Star) | Pattern repeat cycle |
Every G-code for Brother Speedio 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 G73 in the app All Brother Speedio G-codes