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G84.2 Rigid tap right hand (ISNC)
Hurco WinMax (NC) G-code · Mill
ISNC rigid tapping cycle for right hand threads. Spindle and Z are synced, so no float holder is needed.
Format
G84.2 X Y Z R [Q] F [P] [K or L]
Addresses
| Address | What it does |
|---|---|
X Y | Hole position |
Z | Hole bottom |
R | R plane |
Q | Peck depth |
F | Feed, RPM divided by threads per inch |
P | Dwell |
How it works
Modal, group 09. Cancel with G80.
Example program
T5 M06 (.375-16 TAP)
G90 G54 G00 X1. Y1. S400 M03 (HOLE)
G43 H05 Z1. M08 (LENGTH OFFSET)
G99 G84.2 Z-.75 R.2 F25. (25 IPM EQUALS 400 RPM DIVIDED BY 16 TPI)
…
G90 G54 G00 X1. Y1. S400 M03 (HOLE)
G43 H05 Z1. M08 (LENGTH OFFSET)
G99 G84.2 Z-.75 R.2 F25. (25 IPM EQUALS 400 RPM DIVIDED BY 16 TPI)
…
The full 6-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Same job as M29 with G84. Pick one style and keep it in the shop.
- BNC uses G88 for rigid tap.
Related codes
G84.2 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Rigid tapping, FS15 format |
| Mazak (EIA) | Synchronous tapping cycle |
| Mach3 Mach4 | Rigid tapping right hand, Mach4 |
| Fadal | Prepare for right hand rigid tap |
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Open G84.2 in the app All Hurco WinMax G-codes