HMB

The principle and necessity of guide wheel sprocket quenching

by:HMB     2021-01-27
When some parts in the assignments in the change and winding under alternating load, impact load effect, guide wheel outside surface under higher stress than the heart. Outer surface also constantly under wear, and outside surface is put forward to some parts high strength, high hardness, high wear resistance and high fatigue limit and so on demand. And sprocket quenching intention is to make the supercooled austenite to martensite and bainite transformation, get martensite and bainite is arranged, and then cooperation with different temperature tempering, with substantial progress of steel strength, hardness, wear resistance, fatigue strength and patience, and satisfied with all kinds of machinery parts and things is not the same as using demand. The workpiece is put in the wind with the hollow copper pipe in sensor, after access to intermediate frequency or high frequency alternating current, in appearance with the frequency of the induced current, workpiece heat the parts appearance agile immediately after water spray cooling, make workpiece outside surface hardening.
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