HEIDENHAIN TNC 640 (34059x-02) - Manual (Page 478)

Programming: Turning Operations
14.2 Basis Functions (Software Option 50)
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TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013
Undercut UDC TYPE_U
Input elements in undercut UDC TYPE_U
Input element Application Input
R
Corner radius of both
inner corners Required
DEPTH
Undercut depth Required
BREADTH
Undercut width Required
RND / CHF
Curve / chamfer of
outer corner Required
Undercut form U: depth = 3, width = 8
21 L X+40 Z+0
22 L Z-30
23 UDC TYPE_U R1 DEPTH3 BREADTH8 RND1
24 L X+60
Undercut UDC THREAD
Input elements in undercut DIN 76
UDC THREAD
Input element Application 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
Thread undercut according to DIN 76: Thread pitch = 2
21 L X+40 Z+0
22 L Z-30
23 UDC THREAD PITCH2
24 L X+60