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G83 Deep hole drilling cycle / Start of blank shape for LAP
Okuma OSP G-code · Mill, Lathe
On mills: Deep hole drilling cycle
Pecks the drill and retracts to clear chips each peck. Use it for holes deeper than about three diameters.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
Addresses
| Address | What it does |
|---|---|
X Y | Hole position |
Z | Hole bottom |
R | R point |
Q | Peck depth |
F | Feed rate |
How it works
Modal, fixed cycle group. Cancel with G80.
Example program
N1 G15 H1 (WORK COORDINATE SYSTEM 1)
N2 T2 M06 (.250 DRILL)
N3 G00 G90 X1. Y1. S2400 M03 (FIRST HOLE)
…
The full 8-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Smaller pecks near the bottom help in deep holes. Check for extra peck words on your control.
On lathes: Start of blank shape for LAP
Defines the shape of a casting or forging blank so the LAP roughing only cuts where there is metal. LAP4 only.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
Addresses
| Address | What it does |
|---|---|
Nname | Sequence name of the blank contour |
How it works
Blank definition until G80.
Example program
NBLK1 G83 (START OF BLANK SHAPE)
G00 X3.2 Z.1 (BLANK OUTLINE)
G01 Z-2. (BLANK OUTLINE)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Only on controls with LAP4. Older LAP versions give an alarm.
Related codes
G83 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Peck drilling cycle |
| Haas NGC | Deep hole peck drilling cycle |
| Mazak (EIA) | Deep hole peck drilling |
| Mitsubishi M70 M80 | Deep hole peck drilling |
| Brother Speedio | Deep hole peck drilling |
| Fagor 8055 8065 | Deep hole drilling, constant peck |
| LinuxCNC Tormach | Peck drill cycle |
| Mach3 Mach4 | Deep hole peck drill |
| Centroid CNC12 Acorn | Deep hole peck drilling cycle |
| Hurco WinMax (NC) | Deep hole peck drilling |
| Fadal | Deep hole peck drill |
| Swiss (Citizen Star) | Face drilling cycle |
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Open G83 in the app All Okuma OSP G-codes