Formula symbolsValueUnitDescription
Material
EN 10270-3-1.4310
-
Type of material
Coiling direction
Right
-
Coiling direction
Leg position
90
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
2.25
mm
Wire diameter
Di
11.5
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
7.31
mm
length of spring body
Ls
70
mm
leg length
RH
-
mm
leverage
Mntol
443.76
Nmm
(+/-) Tolerance maximum torque
Mn
1041.37
Nmm
maximum torque
alphan
24.92
degree
maximum rotational angle
nt
2.25
pc.
total number of coils
Ddmax
10.1
mm
maximum possible mandrel diameter
Ddmin
6.5
mm
Min. possible mandrel diameter
Ditol
0.3
mm
(+/-) tolerance of inner coil diameter
Weight
7.4357
g
weight of one spring
Price group
L
-
price group