Formula symbolsValueUnitDescription
Material
EN 10270-1
-
Type of material
Spring ends
Closed and ground
-
Spring ends
F1
N
prestressed spring force
L1
mm
Prestressed spring length
s1
mm
Prestressed spring deflection
F2
N
Loaded spring force
L2
mm
Loaded spring length
s2
mm
Loaded spring deflection
d
8
mm
Wire diameter
Di
mm
Inner coil diameter
D
100
mm
Mean coil diameter
De
108
mm
Outer coil diameter
Dd
89
mm
maximum diameter of mandrel
Dh
111
mm
minimum diameter of bush
L0
630
mm
unstressed spring length
Lk
407.66
mm
buckling length
Fn
1452.405
N
maximum force in static use
Ln
160.11
mm
Minimum length in static use
sn
469.89
mm
Maximum spring deflection in static use
Fndyn
1352.296
N
maximum force in dynamic use
Lndyn
192.5
mm
Minimum length in dynamic use
shdyn
169.5
mm
Maximum stroke in dynamic use
S
46.074
mm
pitch of spring
n
13.5
pc.
number of active coils
nt
pc.
total number of coils
R
3.091
N/mm
Spring rate
Weight
1934.7813
g
weight of one spring
Fntol
66.9
N
(+/-) tolerance of maximum force in static use
Fndtol
66.1
N
(+/-) tolerance of maximum dynamic force
Detol
1.5
mm
(+/-) tolerances of outer coil diameter
L0tol
14.62
mm
(+/-) tolerance of unstressed spring length
Price group
BE
-
price group
F1tol
N
(+/-) tolerance of prestressed spring force
F2tol
N
(+/-) tolerance of loaded spring force