Home › G-codes › Fadal › G74.2
G74.2 Prepare for left hand rigid tap
Fadal G-code · Mill
Sets up the spindle drive for G74.1 left hand rigid tapping. Program it just before the G74.1 line.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
G74.2
How it works
Set up code for the next rigid tap.
Example program
N3 G0 G90 G54 X1. Y1. S400 (RPM FOR TAP)
N4 G43 H6 Z1. M8
N5 G74.2 (PREPARE FOR LH RIGID TAP)
N6 G74.1 G99 R0+.2 Z-.6 F20.
…
N4 G43 H6 Z1. M8
N5 G74.2 (PREPARE FOR LH RIGID TAP)
N6 G74.1 G99 R0+.2 Z-.6 F20.
…
The full 5-line example is in the app. Example is in inch. Check offsets and clearances first.
Watch out for
- Do not start the spindle with M3 or M4 for a rigid tap. The cycle runs the spindle.
Related codes
Every G-code for Fadal 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 G74.2 in the app All Fadal G-codes