Formula symbolsValueUnitDescription
Material
EN 10270-3-1.4310
-
type of material
Eylet shape
1/1 deutsche
-
Eylet shape
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
Eyelet position
270
°
Eyelet position
d
1.5
mm
Wire diameter
D
-
mm
mean coil diameter
De
20
mm
outer coil diameter
Dh
22.7
mm
minimum bush diameter
L0
121
mm
length of unstressed spring, measured from inner edge of loop to inner edge of loop
Lk
94.13
mm
length of unstressed spring body
Ln
-
mm
maximum spring length, inner loop to inner loop
sn
423.8
mm
Maximum spring deflection
Fn
51.22
N
Maximum spring force
n
-
pc.
Number of aktive coils
nt
-
pc.
total number of coils
Lh
13.43
mm
distance of inner edge of loop from the spring body
R
0.113
N/mm
Spring rate
F0
3.211
N
initial tension
Fntol
3.04
N
(+/-) tolerance of maximum spring force
L0tol
2.4
mm
(+/-) tolerance of unstressed length
Detol
0.45
mm
(+/-) tolerance of outer coil diameter
Oesttol
58
degree
(+/-) tolerance of loop position
Weight
51.5714
g
weight of one spring
Price group
ZN
-
price group