Formula symbolsValueUnitDescription
Material
EN 10270-1
-
type of material
F1
-
N
prestressed spring force
Fx
-
N
loaded force of the section
L1
-
mm
prestressed spring length
Lkx
-
mm
relaxed length of the section
s1
-
mm
prestressed spring deflection
sx
-
mm
loaded deflection of the section
F2
-
N
loaded spring force
L2
-
mm
loaded spring length
s2
-
mm
loaded spring deflection
d
5.5
mm
wire diameter
D
-
mm
mean coil diamter
De
50
mm
outer coil diameter
Lk
-
mm
length of relaxed spring body
Ln
-
mm
maximum spring length
sn
-
mm
maximum spring deflection
Fn
921.2
N
maximum spring force
F0
80
N
initial tension
sn1
7.96
mm
maximum spring deflection of one coil
R1
105.689
N/mm
spring rate of one coil
R
-
N/mm
spring rate
Dh
-
mm
minimum bush diameter
Detol
-
mm
(+/-) tolerance of outer coil diameter
F0tol
-
N
(+/-) tolerance of initial tension
Fntol
-
N
(+/-) tolerance of maximum spring force
Weight
4749
g
weight of one spring
Price group
#BF
-
price group
F1tol
-
N
(+/-) tolerance of prestressed spring force
F2tol
-
N
(+/-) tolerance of loaded spring force