CAD建模中的草图约束处理

Handling Method of Sketch Constraint in CAD Modeling

介绍了ＣＡＤ技术中适合于工程设计人员使用的草图功能。着重论述了草图约束的概念，分析探讨了尺寸约束和几何约束的类型及处理方法。

The function of sketch which is suitable for engineering designer to use in CADtechnology has been introduced in this paper,The concept of sketch constraint has beendescribed emphatically. The types and the handling method of dimension constraint andgeometric constraint have been analysed and researched.