The paper discusses the points and details process of the Drawing Technology in Tube -Shaped parts , and try to CAD System of the drawingdie.
论述了筒形件拉深工序设计中的关键问题和详尽的处理流程，并对筒形件拉深模CAD系统开发进行了尝试。
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The said experiments show that with the roll-diedrawing process the drawing force can be considerably reduced and surface quality of the shape steel tube improved.