The supporting wheel is one of the four-wheel belts of the crawler-type construction machinery chassis. Its main function is to support the weight of the excavator and bulldozer and let the track move along the wheels. During the operation of excavators and bulldozers, the supporting wheels have to bear huge frictional force. For this reason, many manufacturers use medium frequency induction heating power supply for quenching heat treatment, and the quenching effect is very good.
After the track roller is quenched by the medium frequency induction heating power supply, there will be a hardened layer on the surface, about 3mm, so that the hardness and wear resistance of the track roller will be greatly improved, and the service life will be several times that of non-quenching.
The medium frequency induction heating power supply uses the principle of electromagnetic induction, which can penetrate non-metallic substances and instantly induce heat to any metal in a non-contact form. When it performs quenching heat treatment on the track rollers, the quenching speed is very fast, which effectively avoids the phenomenon of oxidation and decarburization of the track rollers during the quenching process, and ensures the quenching effect of the track rollers. Even better, the medium-frequency induction heating power supply will not generate noise and dust when quenching and heat-treating the supporting wheels, which greatly improves the working environment of the workers and provides protection for the workers' health. It meets the national policy requirements. Strongly advocate.
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