介绍了大型电机定子扇形片模具结构的设计，及零部件设计加工难点和解决办法。
Die structural design of large-scale motor stator sector piece, difficulties and solving steps in design and manufacture of parts and components are introduced respectively.
分析了冰箱上铰链盖的结构特点，介绍了注射模结构。对该模具的结构特点及主要零部件设计进行了阐述。
Analyzed the structure characteristics of refrigerator hinge-led, introduced the structure of injection mold, the mold structure characteristics and mainly parts design were elaborated.
叙述了卷筒排样设计及模具结构设计，并介绍了卷筒凸模零部件的详细结构设计。
Both layout design and die structure design are stated, and the structure design of convex die components of rolling drum are introduced in detail.
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