Explanation about the related data, the formula of
compression spring elastic compression spring force computation formula is as follows:
1, the above formula in the meaning of each representative is:
1) G = shear modulus of elasticity [
MPa,psi]
(
G value of size of steel 8000, stainless steel 7200)
;
2 d = [line diameter
mm,in]
;
(n = reasonable laps [
-
]
;
4 D = diameter center [
mm,in]
;
5 k = [spring coefficient
N/mm,lb/in]
。
2, the parameters of the compression spring must be by the material, wire diameter, the diameter of centre, the reasonable number of turns, spring length, height and rules of the parameters.
If the strength is very spring, can not show the work of the spring height and set the strength of the parameters.
extension information
compression spring force on condition
stretch is the nature of intermolecular forces.
The specific circumstances is as follows:
1, when the object is stretched or compressed, the distance between molecules will change, the relative position between the molecules pulled open or close.
2,, intermolecular attraction and repulsion is not balance, tend to attract or repel.
3, and the molecular attraction or repulsion between the total actual effect, that is observed on the macro elastic.
4, if the external force is too large, the distance between the molecules is away too much, molecules will slip into another stable position.
5, even if the external force is removed, also can not return to recover, will retain a permanent deformation.
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