Heng Yang hubei quenching machine tool manufacturers think when formation of * surface compressive stresses, strong quenching process should pause, but then keeps the isothermal temperature in ling.
So will delay the core cooling, make its slow martensitic transformation, high compressive stress in the surface layer.
When the thickness of surface hardening layer to achieve an optimized, and the stress value in the table to repeatedly *, completes all strongly quenching process.
Heng Yang hubei quenching machine tool manufacturers make workpiece quenching cracking to * the extent of another method is to ensure that the material of plastic, namely the supercooled austenite transformation for less than 30% of new martensite.
Initial stage, the quenching has been strongly maintain the supercooling austenite transformation to no more than, the surface temperature of the martensite, and the strong will be terminated quenching, the balance of workpiece to cross section temperature cooled in the air.
Formation of new yuan is after the tempering martensite, can avoid to produce quenching crack, when the stress value has fallen to low.
Heng Yang hubei quenching machine tool manufacturer * strong again after cooling to room temperature, make the remaining austenite into martensite completely.
Within the scope of the martensitic transformation of strong cooling can improve the plastic material, improve the strength of materials.
Heng Yang mechanical and electrical equipment co. , LTD. , is the domestic earlier developed in high frequency induction heating equipment
manufacturers, gathered a number of specialized is engaged in induction heating equipment engineering specialists, r&d, design, manufacture, sales and service in a body private enterprise.
Has a strong r&d team, rich experience, according to the workpiece and process customized automatic induction heating equipment, free of charge to provide customers with personalized technology solutions.
And a complete after-sales service system in various areas of the country, enabled us to win the trust of many domestic enterprises, experience for them to provide quality products and services, welcome to visit company.
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