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2 basis f unctions (sof tw ar e option 50) – HEIDENHAIN TNC 640 (34059x-01) User Manual

Page 429

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HEIDENHAIN TNC 640

429

13.2 Basis F

unctions (Sof

tw

ar

e Option 50)

Undercut UDC TYPE_K

Input elements in undercut UDC TYPE_K:

Undercut form K: depth = 2, width = 15, opening angle = 30°

Undercut UDC TYPE_U

Input elements in undercut UDC TYPE_U:

Undercut form U: depth = 3, width = 8

Input element

Use

Input

R

Corner radius of both inner
corners

Required

DEPTH

Undercut depth (paraxially)

Required

ROT

Angle to longitudinal axis
(default: 45°)

Optional

ANG_WIDTH

Opening angle of undercut

Required

21 L X+40 Z+0

22 L Z-30

23 UDC TYPE_K R1 DEPTH3 ANG_WIDTH30

24 L X+60

Input element

Use

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

21 L X+40 Z+0

22 L Z-30

23 UDC TYPE_U R1 DEPTH3 BREADTH8 RND1

24 L X+60