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Quenching is a metal material treatment technology whose purpose is to change the physical and chemical properties of the material through rapid cooling to enhance its hardness, strength and wear resistance. The following is the general process of quenching:

Preparation: First, prepare the metal material to be quenched and the quenching medium for quenching. The commonly used medium is water, oil, salt water, etc.

Heat treatment: Heating the metal material to a certain temperature, which depends on the type of material and the required hardness. If the heating temperature is too high, the material will be deformed, and if it is too low, the quenching effect will be affected.

Quenching process: quickly immerse the heated metal material in the quenching medium to cool the material rapidly. In this process, attention should be paid to controlling the temperature of the quenching medium, stirring speed and other factors to ensure the stability and repeatability of the quenching effect.

Temperature tempering: The metal material after quenching will become very brittle, in order to improve its toughness and reduce possible cracks or deformation, temperature tempering treatment is required. The tempering temperature also depends on the type of material and the required hardness, generally the tempering temperature is lower than the quenching temperature.

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