The method of die-structure design is summarized and a method of case-based is put forward based on the summary. The key technique to establish and modify die case is analyzed.

• 本文在总结原有模具结构设计方法的基础上,提出了基于实例的模具结构设计方法,分析了建立模具实例和模具设计过程中修改模具实例两个关键技术。