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G88 Side tapping cycle, live tool
Mazak (EIA) G-code · Lathe
Taps along X on the outside diameter with a radial live tool. G88.2 is the synchronous version.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G88 X Z C R F
Addresses
| Address | What it does |
|---|---|
Z C | Hole position |
X | Hole bottom diameter |
R | R plane |
F | Feed, tool RPM times pitch |
How it works
Modal, cancel with G80.
Example program
T1414 (.250-20 RADIAL TAP)
G98 (FEED PER MINUTE)
G00 X2.2 Z-.5 C0. (ABOVE HOLE)
G88 X1.6 R2.1 F25. (TAP)
…
G98 (FEED PER MINUTE)
G00 X2.2 Z-.5 C0. (ABOVE HOLE)
G88 X1.6 R2.1 F25. (TAP)
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Pick a tap drill depth deeper than the tap depth.
Related codes
G88 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Boring cycle, manual retract |
| Haas NGC | Boring cycle, dwell and manual retract |
| Okuma OSP | LAP continuous thread cutting cycle |
| Mitsubishi M70 M80 | Boring cycle, manual retract |
| Brother Speedio | Boring cycle with manual retract |
| Fagor 8055 8065 | Circular pocket canned cycle |
| LinuxCNC Tormach | Boring cycle, manual out, not implemented |
| Mach3 Mach4 | Bore, manual retract |
| Hurco WinMax (NC) | Rigid tap (BNC) or bore manual out (ISNC) |
| Fadal | Bore in, dwell, bore out |
| Swiss (Citizen Star) | Side tapping cycle |
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 G88 in the app All Mazak G-codes