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    The high frequency heat treatment process of the stainless steel kitchen knife using high frequency quenching equipment for quenching

    Household stainless steel kitchen knives require sharpness, no chipping, no curling, and corrosion resistance. Therefore, we often use high-frequency quenching equipment to quench and heat treat stainless steel kitchen knives to meet their work requirements and improve their hardness, wear resistance and service life. Today, we will all take a look at the high-frequency heat treatment process of stainless steel kitchen knives. To

    The stainless steel kitchen knife is made of 3Cr13 or 4Cr13, and its dimensions are 180mmX80mmX2.5mm. After rough grinding to 0.8-0.9mm, the cutting edge is subjected to induction quenching heat treatment in a high-frequency quenching furnace. After quenching, the following requirements are met: hardness 50-56HRC, hardening zone range ¡Ý25mm, uniform hardness distribution, and deformation ¡Ü2mm. To

    1) The electrical parameters of the equipment. Input voltage is 380V, anode voltage is 7.5kV, anode current is 2.5A, tank circuit voltage is 5kV, grid current is 0.6A, frequency is 250kHz. To

    2) Quenching heating process. Use high-frequency quenching furnace for quenching. Special inductors should be designed. The kitchen knife should be placed in a suitable position in the inductor. The induction heating speed is generally 200-400¡æ/s. The austenitization is completed in an instant without heat preservation. . The quenching heating temperature is 1050-1100¡æ, and the coolant is oil. Tempering at 200 -220¡æ. To

    Within the range of 180mm X25mm in the hardened zone, the hardness after quenching and tempering is all >50HRC, and the hardness is relatively uniform. All indicators can meet the technical requirements. To

    As a household kitchen knife, stainless steel kitchen knives are widely used. Therefore, how to improve its quality and heat treatment process is a problem that every manufacturer thinks about. Today, this article talked about the high-frequency heat treatment process of stainless steel kitchen knives, I hope it will be helpful to everyone.

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    Tel:18037961302 Sales hot line ( 24 hours service): 18037961302
    E-Mail:firstfurnace@gmail.com
    Adress: Luoxin Industrial Park, Luoyang, Henan