How to improving the performance of spring spring factory is a processing and manufacturing?
as spring demand more and more big, the technical standard is becoming more and more high, so the spring manufacturers use various strengthening processing technology to improve the quality of the spring!
Spring spring reduction features common processing technology countermeasures are: resilience quenching solved and electromagnetic induction heating.
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1)
Resilience quenching solved resilience quenching hardened stainless steel wire in both sides of the release is equal to 30% ~ 50% of the tensile stress and compressive strength stainless steel wire under the applied effect caused by microanalysis resilience, dislocation line move.
At this time gap solute nucleus (
C and N)
With spread outside the surrounding temperature to the dislocation line, will move the dislocation of 'pinning' live.
Other dispersion dissolution of cementite in quenching process to produce a large amount of pinning points, the dislocation 'pinning' more thoroughly, more abundant, raised the stainless steel wire and plastic deformation resistance, improved the play reduction characteristics of stainless steel wire.
(
2)
Electromagnetic induction heating solution faster electromagnetic induction heating, stainless steel wire surface air oxidation of light, it is not easy to cause carburizing, crystal for optimization.
In induction heating equipment manufacturing oil - heat treatment
Hardened stainless steel wire into a
compression spring, under the static load and dynamic load of ductility, feature reduction play it very well, under the springs of all kinds of indexes to maintain the original level standard, net ease 10% ~ 20%.
Rubber shock absorber factory is very tool steels containing niobium and vanadium, can only choose higher transition temperature of ferrite satisfied niobium and vanadium fusion, can get the second YingDeHua quenching effect.
Under the general heating standard, ferrite transition temperature is too high, crystal coarsening, stainless steel wire surface air oxidation, carburization is greatly intensified, serious damage to the fatigue life.
Electromagnetic induction heating to 900 ~ 1200 ℃, the stainless steel wire is not easy to appear carburizing, serious air oxidation and the status of the crystal coarsening.
So can make the electromagnetic induction heating tool steels containing niobium and vanadium full use of advantages.
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Once we have a good idea of how News can satisfy customer’s needs, consider whether we should create a skill for their demands.
News can be applied in different ways as leaf spring hardware.
