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分析了注塑模系统的特点,针对注塑模系统建模存在的问题提出了基于统一产品模型的思想,得出了基于对象和STEP技术建模可以满足今后注塑模系统建模需要,并且给出了基于对象和STEP技术的注塑模产品模型“,”The paper analyzes the features of injection mold system modeling and presents a unionproductmodel China prcllems in the previous injection mold system modeling .Then it draus a conclusion that the object and STEP,technology can satisfy the need of injection mold development and provides an object and STEP bascd injection mold product model.