HEIDENHAIN CNC Pilot 4290 V7.1 - Manual (Page 155)

HEIDENHAIN CNC PILOT 4290 155
4.7 Cont
our F
o
rm
Elements
Example: G23-Geo
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).
. . .
FERTIGTEIL [FINISHED PART]
N1 G0 X40 Z0
N2 G1 X80
N3 G23 H0 X60 I-5 K10 A20 B-1 P1 R0.2 Recess on face, depth is incremental
N4 G1 Z-40
N5 G23 H1 Z-15 K12 U70 A60 B1 P-1 R0.2 Longitudinal recess, width is absolute
N6 G1 Z-80 A45
N7 G23 H1 X120 Z-60 I-5 K16 A45 B1 P-2 R0.4 Longitudinal recess, width is incremental
N8 G1 X40
N9 G1 Z0
N10 G23 H0 Z-38 I-6 K12 A37.5 B-0.5 R0.2 Longitudinal recess, inside
. . .
Parameters
F Thread pitch
I Undercut depth (radius)
K Width of undercut
Z End point of the undercut
„ Program G24 only if the thread is cut in the definition
direction of the contour.
„ The thread is machined with G31.