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　　How to deal with the "four fires" of heat treatment for die-casting molds in Shenzhen die-casting factories

　　Die casting molds play an irreplaceable role in the production process of die casting, and in the production process of die casting molds, the "four fires" of heat treatment of die casting molds are also technical tests for Shenzhen die casting factories. So how should we deal with the "four fires" of heat treatment of die casting molds?

　　Normalization, annealing, quenching, and tempering are known as the "four fires" of heat treatment for die-casting molds. In the process of die-casting production, handling these "four fires" well can not only ensure the quality of die-casting products, but also improve the service life of die-casting molds. The purpose of heat treatment for die-casting molds is to refine the grain size, uniform structure, improve plasticity and toughness, eliminate internal stress, facilitate mechanical processing, and improve the mechanical properties, cold and hot fatigue resistance, liquid metal erosion resistance, oxidation resistance, high hardenability, and wear resistance of die-casting molds. Therefore, it is necessary for die-casting factories to handle these "four fires" correctly for die-casting molds. For the heat treatment of die-casting molds, there is a set of treatment plans tailored to the product, and a guidebook is provided to every operator, with regular training on die-casting professional knowledge.

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