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Taper and angle calculation
Fill-in below, three of the parameters from your borehole,
then the remain parameter will be automaticaly calculated.
Cone angle
α
=
°
'
Taper
=
%
D
= Ø
L
=
d
= Ø
Reset all
Here are the main used angles and tapers :
Taper
α
1
%
1
:
100
0°
34'
2
%
1
:
50
1°
09'
3
%
3
:
100
1°
43'
4
%
1
:
25
2°
17'
5
%
1
:
20
2°
52'
5
,25
%
3°
6
%
3
:
50
3°
26'
6
,25
%
1
:
16
3°
35'
7
%
7
:
100
4°
8
%
2
:
25
4°
35'
9
%
9
:
100
5°
09'
10
%
1
:
10
5°
43'
10
,5
%
6°
01'
11
%
6°
18'
12
%
3
:
25
6°
52'
13
%
7°
26'
14
%
8°
15
%
3
:
20
8°
35'
16
%
9°
09'
18
%
10°
17'
20
%
1
:
5
11°
25'
21
%
12°
25
%
1
:
4
14°
15'
28
%
15°
56'
30
%
17°
04'
40
%
22°
37'
50
%
1
:
2
28°
04'
60
%
33°
24'
70
%
38°
35'
80
%
43°
36'
90
%
48°
27'
100
%
1
:
1
53°
08'
Weblink: SPPW Kegelreibahlen
Taper
Morse Taper
α
5
,205
%
CM0
2°58
'54''
4
,988
%
CM1
2°51
'26''
4
,995
%
CM2
2°51
'40''
5
,020
%
CM3
2°52
'32''
5
,194
%
CM4
2°58
'30''
5
,263
%
CM5
3°00
'52''
5
,214
%
CM6
2°59
'12''
Weblink: SPPW Reibahlen für Morsekegel
Taper
[in
%
]
=
D
-
d
x 100 =
tan
(
α
) x 200
L
2