Formula symbolsValueUnitDescription
Material
EN 10270-3-1.4310
-
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
6.3
mm
Wire diameter
Di
-
mm
Inner coil diameter
D
32
mm
Mean coil diameter
De
38.3
mm
Outer coil diameter
Dd
24.7
mm
maximum diameter of mandrel
Dh
39.6
mm
minimum diameter of bush
L0
85
mm
unstressed spring length
Lk
mm
buckling length
Fn
1043.01
N
maximum force in static use
Ln
66.4
mm
Minimum length in static use
sn
18.6
mm
Maximum spring deflection in static use
Fndyn
859.247
N
maximum force in dynamic use
Lndyn
69.68
mm
Minimum length in dynamic use
shdyn
12.96
mm
Maximum stroke in dynamic use
S
10.493
mm
pitch of spring
n
7.5
pc.
number of active coils
nt
-
pc.
total number of coils
R
56.087
N/mm
Spring rate
Weight
235.3287
g
weight of one spring
Fntol
129
N
(+/-) tolerance of maximum force in static use
Fndtol
126
N
(+/-) tolerance of maximum dynamic force
Detol
0.5
mm
(+/-) tolerances of outer coil diameter
L0tol
1.7
mm
(+/-) tolerance of unstressed spring length
Price group
AJ
-
price group
F1tol
-
N
(+/-) tolerance of prestressed spring force
F2tol
-
N
(+/-) tolerance of loaded spring force