简述了模具的失效形式及模具的热处理特点,并通过几例模具失效的剖析,阐明模具的使用寿命与原材料、设计、机加工、热处理、使用过程等诸因素的密切关系,其中尤其是材质、热处理的影响最为突出。 The failure modes of the mold and the heat treatment characteristics of the mold are briefly described. Through the analysis of several mold failures, the relationship between the service life of the mold and the factors of raw materials, design, machining, heat treatment and using process is clarified. Among them, , The heat treatment the most prominent.