The piston rod is a connecting part that supports the work of the piston. Most of them are used in the cylinder and cylinder motion actuators. It is a moving part with frequent movements and high technical requirements. Its working environment is very harsh. Therefore, the production usually requires the surface of the piston rod to have high hardness and small roughness, and the central matrix part must have certain toughness and high fatigue resistance. In order to meet these requirements of the piston rod, many manufacturers use medium-frequency induction heating power supply for quenching heat treatment, and the effect is very good.
The medium frequency induction heating power supply quenches the piston rod. The quenching temperature is generally 880-900°C. After quenching, it is oil-cooled, and after high-temperature tempering, it is quickly water-cooled. After quenching, the hardness is higher than 50HRC, and the service life is 2-3 times that of non-quenching. , to meet the requirements of the job. When implementing the quenching process, the gap between the inductor and the part should be kept uniform.
Medium-frequency induction heating power supply, when quenching and heat-treating the piston rod, its sensor is a profiling sensor made according to the specifications of the workpiece, which can ensure the uniformity of the quenching of the piston rod to the greatest extent. In addition, the quenching speed of the equipment is very fast, which avoids the oxidation and decarburization of the piston rod in contact with the air, ensures the quenching effect of the piston rod, and makes the quenched piston rod free of defects such as cracks and deformation.
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