Tuesday, 30.May 2017

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Measuring sheet buffer springs




Legend :

*Mandatory! The rest only if its know.

d* = inside diameter
D = outside diameter
h = height at load
H* = height at unstressed
F = load
b = steel width
c = steel strength
n = coils

Tollerances of the diameter above, inside, under, outer and the unstressed height in mm


d D H
  till 25 +2   till 50 +2 / -2   till 100 +5 / -5
over 25 till 50 +3 / -1 over 50 till 100 +3 / -4 over 100 till 200 +7 / -5
over 50 till 70 +4 / -2 over 100 till 150 +4 / -6 over 200 till 250 +10 / -5
over 70 till 90 +5 / -3 over 150 till 200 +6 / -8 over 250 till 300 +10 / -10
over 90 till 110 +6 / -5 over 200 till 250 +8 / -10 over 300 till 350 +15 / -10
over 110 till 150 +10 / -5 over 250 till 300 +10 / -15 over 350 till 400 +15 / -15
      over 300   +15 / -20 over 400   +20 / -20

Tolerance of load for the length of the unstressd spring h


Material thickness c Tolerance of load
5,0 till 7,5 +25% / -15%
8,0 till 10,5 +25% / - 12%
11,0 till 14,5 +25% / - 10%
ab 15 +20% / - 10%

Materials depending on stock to be at the performances 50CrV4, 60SiCr7 or 51Si7 for DIN 4620 or 1017. Should the attended measurement of the steel not be avaible, we will chage the measurement of steel in consultation with the costumer. The attribuets of the spring will be staying there almost identic.


We need theese details to produce the spring to 100% at customer option.


Measurements :


d *: h :
D *: H *:
c : n :
b : F :
Anfragemenge : alle Angaben in mm

Images:






general Information


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