Formula symbolsValueUnitDescription
Material
EN 10270-3-1.4310
-
Type of material
Coiling direction
Left
-
Coiling direction
Leg position
0
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
0.7
mm
Wire diameter
Di
4.3
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
5.6
mm
length of spring body
Ls
35
mm
leg length
RH
-
mm
leverage
Mntol
9.41
Nmm
(+/-) Tolerance maximum torque
Mn
40.62
Nmm
maximum torque
alphan
117.53
degree
maximum rotational angle
nt
7
pc.
total number of coils
Ddmax
3.8
mm
maximum possible mandrel diameter
Ddmin
3.5
mm
Min. possible mandrel diameter
Ditol
0.13
mm
(+/-) tolerance of inner coil diameter
Weight
0.546
g
weight of one spring
Price group
H
-
price group