Discs are the main parts of tillage machinery and planting machinery. They are installed on different machines to cut soil, crush soil, loosen soil, ditch and cut off the residual weeds left in the soil. Therefore, the production requires the disc to have sufficient strength and toughness, as well as high hardness and wear resistance. In order to meet these requirements, we usually use supersonic frequency induction hardening equipment to quench the disc, and the effect is very good.
The disc is quenched and heat-treated by supersonic frequency induction hardening equipment, the quenching temperature is 890±10°C, the quenching time is 40-45s, oil cooling, and then tempering heat treatment at 200°C. After this heat treatment, the hardness of the disc reaches 53-62HRC, which meets the needs of the work. Even better, the heating speed of the equipment is very fast, which effectively avoids the occurrence of oxidation and decarburization, and ensures the quality of quenching.
The supersonic frequency induction hardening equipment has high reliability and unique circuit design. The power module unit used constitutes a system. Even if a single power module unit is damaged, the equipment will not be interrupted, and the reliable operation of the equipment has been substantially improved. When it performs quenching heat treatment on the disc, the operation process is very simple, and it can be completed by one person without the need for multiple people to operate, which greatly reduces the input of labor costs.
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