The Difference Between induction hardened piston rod and normal piston rod

 Induction hardened piston rod after high-frequency quenching treatment, after mirror polishing, hardness can reach HRC58-62, compared with ordinary rod, has better corrosion resistance and wear resistance.High frequency quenching is mostly used for surface quenching of metal parts. The metal surface generates a certain current, quickly heats the metal surface, and then quickly quenches the heat treatment method.

The principle of piston rod high frequency quenching: the piston cylinder is placed in the hollow copper tube wound into the inductor, through the high frequency alternating current, the induction current of the same frequency is formed on the surface of the piston rod, so that the piston rod surface or local rapid heating, but the temperature in a few seconds to 800-1000 degrees Celsius, the center is still the normal temperature.Several seconds after the rapid cooling or oil injection cooling, quenching work, so that the piston rod surface or local to meet the corresponding hardness requirements.

Induction hardened piston rod has good performance and high tensile strength, which can be widely used in the mechanical equipment industry.


induction hardened piston rod


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