2 undercut parameters, Din 76-undercut parameters, Din 76—undercut parameters – HEIDENHAIN MANUALplus 4110 User Manual
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HEIDENHAIN MANUALplus 4110
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10.2 Undercut Parameters
DIN 76—undercut parameters
MANUALplus determines the parameters from the thread
pitch according to the following table.
Designations:
I = undercut diameter
K = undercut length
R = undercut radius
W= undercut angle
Thread undercut DIN 76—external thread
Thread undercut DIN 76—internal thread
Thread pitch
I
K
R
W
Thread pitch
I
K
R
W
0.2
D –0.3
0.7
0.1
30°
0.2
D +0.1
1.2
0.1
30°
0.25
D –0.4
0.9
0.12
30°
0.25
D +0.1
1.4
0.12
30°
0.3
D –0.5
1.05
0.16
30°
0.3
D +0.1
1.6
0.16
30°
0.35
D –0.6
1.2
0.16
30°
0.35
D +0.2
1.9
0.16
30°
0.4
D –0.7
1.4
0.2
30°
0.4
D +0.2
2.2
0.2
30°
0.45
D –0.7
1.6
0.2
30°
0.45
D +0.3
2.4
0.2
30°
0.5
D –0.8
1.75
0.2
30°
0.5
D +0.3
2.7
0.2
30°
0.6
D –1
2.1
0.4
30°
0.6
D +0.3
3.3
0.4
30°
0.7
D –1.1
2.45
0.4
30°
0.7
D +0.3
3.8
0.4
30°
0.75
D –1.2
2.6
0.4
30°
0.75
D +0.3
4.0
0.4
30°
0.8
D –1.3
2.8
0.4
30°
0.8
D +0.3
4.2
0.4
30°
1
D –1.6
3.5
0.6
30°
1
D +0.5
5.2
0.6
30°
1.25
D –2
4.4
0.6
30°
1.25
D +0.5
6.7
0.6
30°
1.5
D –2.3
5.2
0.8
30°
1.5
D +0.5
7.8
0.8
30°
1.75
D –2.6
6.1
1
30°
1.75
D +0.5
9.1
1
30°
2
D –3
7
1
30°
2
D +0.5
10.3
1
30°
2.5
D –3.6
8.7
1.2
30°
2.5
D +0.5
13
1.2
30°