How to effectively improve the performance of the spring?
We tell you about spring manufacturer.
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1)
Resilience tempering solved resilience tempering tempering steel wire in both sides of the release is equal to 30% ~ 50% of the tensile stress and compressive strength of steel wire under the applied effect caused by microanalysis resilience, dislocation line move, solute atoms (the time when the gap
C and N atoms)
With spread outside the surrounding temperature to the dislocation line, will move the dislocation of 'pinning' live.
And tempering was dissolved in the whole process of martensite produced a large number of pinning point, make the dislocation 'pinning' more and more thoroughly, improve the steel wire plastic deformation resistance, improved play reduction properties of steel wire.
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Induction heating solution induction heating speed faster, light steel wire surface air oxidation, it is not easy to cause carburizing, crystal and optimization, made of high frequency induction heating oil - heat treatment
Tempering steel wire into a
compression spring, ductility, under static load and load reduction characteristics play it very well, playing yellow standard under all kinds of indexes to maintain the original level, net ease 10% ~ 20%.
Very is tool steel containing niobium and vanadium, can only choose higher transition temperature of ferrite satisfied niobium and vanadium dissolution, can get the tempering secondary YingDeHua actual effect.
Under the general heating standard, ferrite transition temperature is too high, steel wire crystal coarsening, surface air oxidation, carburization also increased significantly, which cause serious damage to the fatigue life.
Induction heating to 900 ~ 1200 ℃, the steel wire is not easy to appear carburizing, serious air oxidation and the status of the crystal coarsening.
Therefore said induction heating can make the tool steels containing niobium and vanadium full use of advantages.
The , essentially perfected by leaf spring hardware, is one of the first home appliance to be widely distributed.
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Dongguan Yongqiang spring hardware Co.,Ltd. offers not only the high-quality product but also the finest service, gives the customer with an expressive using experience.
