Computer aided drawing is an important part in bearing CAD system, parametric drawing of roller bearing changes the traditional manual drawing method and realizes automation of roller bearing drawing.
计算机辅助绘图是滚动轴承CAD系统的重要组成部分，滚动轴承零部件的参数化绘图改变了传统的手工绘图方式并实现了自动绘图。
The structure of computer aided designing system of drawing technology and die(DDCAD) are introduced in this paper. The component and designing procedure are also described in this paper.
介绍了我们开发的拉深工艺及模具计算机辅助设计系统（DD CAD）的系统结构、 组成及设计流程。
Adoption standard spare parts sketch element system aided drawing is one of the basic methods of increasing the drawing speed of computer.
采用标准零件图形元素库辅助绘图是提高计算机绘图速度的基本方法之一。
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