Thread With Undercut G24-Geo - HEIDENHAIN MANUALPLUS 620 User Manual

Thread with undercut G24-Geo

G24 defines a linear basic element with a longitudinal thread and
subsequent thread undercut (DIN 76). The thread is an outside or
inside thread (metric ISO fine-pitch thread DIN 13 Part 2, Series 1).
Parameters
F Thread pitch
I Undercut depth (radius)
K Width of undercut
Z End point of the undercut
BE, BF, BD, BP and BH (see "Machining attributes for form
elements" on page 181)
Program G24 only in closed contours.
The thread is machined with G31.
Example: G24-Geo
. . .
FINISHED
N1 G0 X40 Z0
N2 G1 X40 BR-1.5
N3 G24 F2 I1.5 K6 Z-30
N4 G1 X50
N5 G1 Z-40
. . .
HEIDENHAIN MANUALplus 620
Starting point for thread
Thread with undercut
Next transverse element
189