In this paper, the characteristics and content of drawing technology and its process flow under three-dimension CAD conditions are presented.
介绍了汽车车身覆盖件的拉延工艺特点和内容，以及在三维CAD环境下汽车覆盖件的拉延工艺设计制造流程。
It's pressing flow is confirmed by analyzing pressing technology of 42 inch plasma color TV's back cover, and expounding drawing die structure design of back cover and it's working process.
通过对4 2寸等离子彩电后盖的冲压工艺分析，确定了该制件的冲压工艺流程，阐述了后盖的拉伸模具结构设计及工作过程。
To introduce the process flow of Z-type steel wire production by die drawing way.
介绍整体模拉法生产Z型钢丝的工艺流程。
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