Formula symbolsValueUnitDescription
Material
1.4310
-
Type of material
Coiling direction
Right
-
Coiling direction
Leg position
270
degree
Leg position when relaxed
alpha1
-
degree
prestressed rotational angle
F1
-
N
prestressed spring force
M1
-
Nmm
torque by angle alpha1
alpha2
-
degree
loaded rotational angle
F2
-
N
loaded spring force
M2
-
Nmm
torque by angle alpha2
alphah
-
degree
working rotational angle
d
1.8
mm
Wire diameter
Di
20.5
mm
inner coil diameter
Dd
-
mm
diameter of mandrel
LsH
-
mm
leg length of the lever leg
LsR
-
mm
leg length of the recumbent leg
Lk0
8.55
mm
length of spring body
Ls
60
mm
leg length
RH
-
mm
leverage
Mntol
141.16
Nmm
(+/-) Tolerance maximum torque
Mn
591.67
Nmm
maximum torque
alphan
93.43
degree
maximum rotational angle
nt
3.75
pc.
total number of coils
Ddmax
17.4
mm
maximum possible mandrel diameter
Ddmin
12
mm
Min. possible mandrel diameter
Ditol
0.5
mm
(+/-) tolerance of inner coil diameter
Weight
7.6774
g
weight of one spring
Price group
K
-
price group