HEIDENHAIN TNC 640, User Manual, Page: 701 / 948

Turning | Turning program functions (option 50)
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
701
Undercut DIN 509 UDC TYPE_H
Input parameters in undercut DIN 509
UDC TYPE_H
Input parameters Application Input
R
Corner radius of both
inner corners Required
BREADTH
Width of undercut Required
ANGLE
Undercut angle Required
Example: Undercut form H with depth = 2, width = 15, angle =
10°
21 L X+40 Z+0
22 L Z-30
23 UDC TYPE_H R1 BREADTH10 ANGLE10
24 L X+60
Undercut UDC TYPE_K
Input parameters in undercut
UDC TYPE_K
Input parameters Application Input
R
Corner radius of both
inner corners Required
DEPTH
Undercut depth (paraxi-
al) Required
ROT
Angle to longitudinal
axis (default: 45°) Optional
ANG_WIDTH
Opening angle of under-
cut Required
Example: Undercut form K with depth = 2, width = 15, opening
angle = 30°
21 L X+40 Z+0
22 L Z-30
23 UDC TYPE_K R1 DEPTH3 ANG_WIDTH30
24 L X+60