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
12
mm
Wire diameter
Di
-
mm
Inner coil diameter
D
98
mm
Mean coil diameter
De
110
mm
Outer coil diameter
Dd
-
mm
maximum diameter of mandrel
Dh
-
mm
minimum diameter of bush
L0
460
mm
unstressed spring length
Lk
mm
buckling length
Fn
4596.568
N
maximum force in static use
Ln
204.01
mm
Minimum length in static use
sn
255.99
mm
Maximum spring deflection in static use
Fndyn
-
N
maximum force in dynamic use
Lndyn
-
mm
Minimum length in dynamic use
shdyn
-
mm
Maximum stroke in dynamic use
S
35.84
mm
pitch of spring
n
12.5
pc.
number of active coils
nt
-
pc.
total number of coils
R
17.956
N/mm
Spring rate
Weight
3990.9544
g
weight of one spring
Fntol
195
N
(+/-) tolerance of maximum force in static use
Fndtol
-
N
(+/-) tolerance of maximum dynamic force
Detol
1.5
mm
(+/-) tolerances of outer coil diameter
L0tol
7.06
mm
(+/-) tolerance of unstressed spring length
Price group
BG
-
price group
F1tol
-
N
(+/-) tolerance of prestressed spring force
F2tol
-
N
(+/-) tolerance of loaded spring force