23
1019659 11/2014
4.2 Calculation of the Torsion Angle
Calculation of the Torsion Angle
φ
at Torque T:
φ
= Angle [rad]
T = Torque [Nm]
K = Stiffness [Nm/rad]
φ
=
60 Nm - 29 Nm
11
. 10
4
Nm/rad
29 Nm
6.7
. 10
4
Nm/rad
+
φ
= 7.15 . 10
-4
rad
φ
= 2.5 arc min
180 . 60
�
φ
[arc min] =
φ
[rad] .
T = 60 Nm
K
1
= 6.7 . 10
4
Nm/rad
T
1
= 29 Nm
K
2
= 1.1 . 10
5
Nm/rad
T
2
= 108 Nm
K
3
= 1.2 . 10
5
Nm/rad
T T
1
T
K
1
<–
φ
=
<
φ
=
T - T
1
K
2
T
1
K
1
+
T
1
T ≤T
2
<
T T
2
φ
=
T
2
- T
1
K
2
T
1
K
1
T - T
2
K
3
+
+
Equation 23.1
Equation 23.2
Equation 23.3
Equation 23.4
Example: HFUC-32-100-2UH