Lihua Technology(HK) Industrial Co., Ltd.

Focus on Induction heating for 19 years

Large manufacturer of Induction heating automation equipment

+86 135 3907 6945 lh-induction@lihuachina.com
Lihua Technology(HK) Industrial Co., Ltd.

What is the Difference Between High Frequency Quenching Equipment in Induction Heating?

Induction heating quenching is to put the workpiece into the inductor. The inductor generally enters the hollow copper tube with intermediate frequency or high frequency alternating current. The alternating magnetic field produces the induction current of the same frequency in the workpiece. The distribution of this induction current is uneven in the workpiece. It is strong on the surface and weak in the interior. What I am going to introduce today is the difference between medium frequency and high frequency of induction heating quenching.

The medium frequency induction heating quenching is to put metal parts into an induction coil, and induction coil energizes the intermediate frequency alternates current generation to produce alternating electromagnetic field, and then inducting alternating current in the metal parts. Due to skin effect, the current mainly concentrated on the surface of metal parts, so the surface temperature is the highest. Under the induction coil it uses water cooling or types of cooling. Because the heating and cooling are mainly concentrated on the surface, so the surface modification is very obvious, but the internal modification is basically not, which can produce a very special heat treatment effect.

The high frequency induction heating quenching is mostly used for the surface hardening of industrial metal parts. It is a metal heat treatment method to make the surface of the workpiece produce a certain induction current,  quickly heat the surface of the parts, and then quickly quench.

Lihua technology (HK) Industrial Co.ltd is a professional manufacturer of induction heating power supply. The product is excellent, quality is first-class, free delivery, installation and debugging in China, and lifelong equipment technology upgrade service.




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