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G206 Tapping with floating holder
Heidenhain TNC (ISO) G-code · Mill
Taps with a floating tap holder. Feed must equal spindle speed times pitch. Klartext: CYCL DEF 206 TAPPING.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G206 Q200 Q201 Q206 Q211 Q203 Q204
Addresses
| Address | What it does |
|---|---|
Q201 | Thread depth |
Q206 | Feed rate, rpm times pitch |
Q211 | Dwell at bottom |
How it works
DEF active. Runs only with G79, M99 or M89.
Example program
N40 T3 G17 S500 *
N50 G206 TAPPING
Q200=3 ;SET-UP CLEARANCE
Q201=-15 ;DEPTH
…
N50 G206 TAPPING
Q200=3 ;SET-UP CLEARANCE
Q201=-15 ;DEPTH
…
The full 8-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Use M3 for a right hand tap and M4 for a left hand tap.
- Feed override is locked during tapping on most machines.
Related codes
Every G-code for Heidenhain TNC (ISO) 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 G206 in the app All Heidenhain TNC G-codes