Formula symbolsValueUnitDescription
Material
EN 10270-3-1.4310
-
Type of material
Coiling direction
Left
-
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
0.8
mm
Wire diameter
Di
4.4
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
mm
length of spring body
Ls
40
mm
leg length
RH
mm
leverage
Mntol
14.37
Nmm
(+/-) Tolerance maximum torque
Mn
59
Nmm
maximum torque
alphan
115.18
degree
maximum rotational angle
nt
7.75
pc.
total number of coils
Ddmax
4
mm
maximum possible mandrel diameter
Ddmin
3.5
mm
Min. possible mandrel diameter
Ditol
0.14
mm
(+/-) tolerance of inner coil diameter
Weight
0.8187
g
weight of one spring
Price group
H
-
price group