介绍了一种实现筒形类零件二次拉伸的简易模具结构，为类似零件的生产制造提供参考。
A kind of simple die structure which can realize the re-drawing of barrel-shape parts is introduced, which can be referenced by similar parts manufacture.
利用此原型件可以对产品设计进行直观评价或制作简易模具，能有效提高零件及模具设计效率和质量。
The visual assessment to the product design and manufacture of simple mould could be made with the rapid prototypes, which could improve the efficiency and quality of the part and its die design.
是塑料模具及一般简易冲压模具的首选材料，也适用于汽车及其它工业部门用的各种砂型及金属型铸件。
Prime materials for the plastic injection moulds and general pressing moulds, also suitable for making diverse sand and metallic casting components for the auto and other industrial sector purposes.
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