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G174 Compound left hand tapping cycle
Centroid CNC12 Acorn G-code · Mill
Same as G74 but works with a tilted head when the active work offset is not transformed. Used on articulated head machines with TWCS on in parameter 166.
Format
G174 X Y Z R F
Addresses
| Address | What it does |
|---|---|
X Y Z R F | Same words as G74 |
How it works
Modal, canned cycle. Cancel with G180 or G80.
Example program
G54 G0 X1. Y1. B30. ; HEAD TILTED
G43 H1 Z2. M8
G174 X1. Y1. Z-.5 R.1 F8. ; TILTED HOLE
G180 ; CANCEL
G43 H1 Z2. M8
G174 X1. Y1. Z-.5 R.1 F8. ; TILTED HOLE
G180 ; CANCEL
Example is in inch. Check offsets and clearances first.
Watch out for
- With the B axis not at 0 and TWCS off, the normal G74 cancels the job. Use G174 instead.
- On other machines it works the same as G74.
Related codes
G174 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Haas NGC | Non vertical rigid tapping CCW |
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