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Technical Data

Formula symbols

Value

Unit

Description

Material

EN 10270-3-1.4310

-

Type of material .

Spring ends

Closed

-

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

0.4

mm

Wire diameter

Di

-

mm

Inner coil diameter

D

5

mm

Mean coil diameter

De

5.4

mm

Outer coil diameter

Dd

4.1

mm

maximum diameter of mandrel

Dh

6

mm

minimum diameter of bush

L0

24.7

mm

unstressed spring length

Lk

mm

buckling length

Fn

3.956

N

maximum force in static use

Ln

5.94

mm

Minimum length in static use

sn

18.76

mm

Maximum spring deflection in static use

Fndyn

3.835

N

maximum force in dynamic use

Lndyn

6.51

degree

Minimum length in dynamic use

shdyn

6.47

mm

Maximum stroke in dynamic use

S

2.788

mm

pitch of spring

n

8.5

pc.

number of active coils

nt

-

pc.

total number of coils

R

0.211

N/mm

Spring rate

Weight

0.1638

g

weight of one spring

Fntol

0.36

N

(+/-) tolerance of maximum force in static use

Fndtol

0.36

N

(+/-) tolerance of maximum dynamic force

Detol

0.25

mm

(+/-) tolerances of outer Coil diameter

L Otol

1.41

mm

(+/-) tolerance of unstressed spring length

Price group

E

-

price group

F1tol

-

N

(+/-) tolerance of prestressed spring force

F2tol

-

N

(+/-) tolerance of loaded spring force