【摘要】 介绍了在ＵＧ平台上按加工方式进行齿轮三维造型的方法；同时解决了用齿轮三维模型投影成二维平面图形时产生轮齿投影线的问题；并应用ＵＧ的开发语言ＧＲＩＰ开发了齿轮ＣＡＤ模块，外挂在ＵＧ的主界面上。更多还原

【Abstract】 This article introduces the methods of 3D gear Modeling by following machining manner on UG. And it settles the problem of hatching when projecting 3D gear modeling into 2D drawing. what’s more, by using the GRIP language of UG, it develops the CAD gear module and put on the UG interface.更多还原