HEIDENHAIN TNC 640 (34059x-01) - Manual (Page 430)

430 Programming: Turning Operations
13.2 Basis F
unctions (Sof
tw
ar
e Option 50)
Undercut UDC THREAD
Input elements in undercut DIN 76 UDC THREAD:
Thread undercut according to DIN 76: Thread pitch = 2
Input element Use Input
PITCH Thread pitch Optional
R Corner radius of both inner
corners Optional
DEPTH Undercut depth Optional
BREADTH Undercut width Optional
ANGLE Undercut angle Optional
21 L X+40 Z+0
22 L Z-30
23 UDC THREAD PITCH2
24 L X+60