aluminum forging manufacturers

　　Service life of die-casting molds

　　The service life of die-casting molds is a crucial consideration in die-casting production. It directly affects production efficiency and cost.

　　The service life of die-casting molds is influenced by various factors. Firstly, the quality of mold materials plays a crucial role. High quality mold steel has high hardness, high strength, good wear resistance and heat resistance, and can withstand high temperature and high pressure die-casting environments, thereby extending the service life of molds. For example, using hot work die steel H13, after appropriate heat treatment, its hardness can reach 48-52HRC, which can maintain good shape and dimensional stability during long-term die-casting processes.

　　Die casting process parameters also have a significant impact on the lifespan of molds. Reasonable die-casting temperature, pressure, and speed can reduce thermal fatigue and mechanical wear of the mold. If the die-casting temperature is too high, it will accelerate the thermal fatigue of the mold, causing cracks on the surface of the mold; Excessive pressure can increase the load on the mold, which can easily cause deformation and rupture of the mold. Therefore, precise adjustment of die-casting process parameters based on different die-casting products and mold materials is an important measure to improve the service life of molds.

　　The design and manufacturing accuracy of molds cannot be ignored. Good mold design should consider factors such as the strength, stiffness, cooling system, and demolding mechanism of the mold. For example, a reasonable layout of cooling water channels can effectively reduce mold temperature, minimize thermal stress, and extend mold life. High precision manufacturing processes can ensure the dimensional accuracy and surface quality of molds, reducing wear and damage caused by poor mold fit.

　　Daily maintenance is also the key to extending the service life of die-casting molds. Regularly cleaning, lubricating, and inspecting molds to promptly detect and address early signs of damage can effectively prevent mold failures from occurring. At the same time, during the use of the mold, rough operation and illegal use should be avoided, and the operation should be strictly carried out in accordance with the operating procedures.

　　In short, improving the service life of die-casting molds requires starting from multiple aspects such as material selection, process parameter optimization, design and manufacturing accuracy, and daily maintenance. Only by comprehensively considering these factors can the service life of molds be effectively extended and the efficiency of die-casting production be improved.

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