Then the key points in design of the automatic drawing die were discussed, including the structure, the working procedure, and the automatic feeding mechanism.
介绍了铝茶壶嘴的成形工艺，自动拉伸模具的结构、工作过程、设计要点及自动送料机构。
It introduces the mould structure and working principle of the injection mould with inside pattern drawing from three directions for core. Point out the design gists of the mould.
介绍三面内抽芯盒盖注射模的模具结构及工作原理，并指出了该模具的设计要点。
This article discusses and explains the questions needing to be notice about working drawing of plastic gym ground in design.
着重对塑胶体育场施工图在设计上经常出现的问题进行了讨论、说明。
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