1、I 基于 UG 的弧 面 凸轮的 三维 设计和模拟 摘要 本文借助计算机辅助设计实现了弧面分度凸轮的参数化，利用 UG 中的规律曲线、曲面等命令对弧面分度凸轮的设计过程进行了简化。并运用 UG 软件中的仿真加工功能对弧面分度凸轮进行了加工模拟 和运动仿真模拟 。对于弧面分度凸轮由于其工作曲面的空间不可展性对设计和建模造成的困难，运用计算机辅助设计技术，对弧面分度凸轮的的理论廓面进行了建模，并通过 UG 软件中的建模加厚命令完成了分度盘上滚子的运动轨迹， 对圆柱进行切割，从而得到 弧面分度凸轮的 理论三维模型。本文还分析了弧面分度凸轮常用的各种加工方法，对其优略进行比较，得出合理的加工方法，并以
2、铣刀的侧刃精加工凸轮廓面，完成弧面分度凸轮的加工刀具轨迹的模拟。 关键词 ：弧 面凸轮， UG，计算机辅助设计，仿真 II Design and Simulation of Globoidal Cam Based on UG Abstract With the help of computer-aided design and implement indexing cam parameterized, the rules of UG curves, surfaces, and other commands indexing cam design process has been simplif
3、ied. And the use of UG software emulation processing functions for indexing cam for the machining simulation and motion simulation. For indexing cam due to its non-malleable work surface space for design and modeling difficulties caused by the use of computer-aided design technology, the indexing ca
4、m profile surface of the theoretical modeling, and through software UG in order to complete the modeling of thick indexing plate roller on the trajectory of the cylinder to be cut, resulting indexing cam theoretical three-dimensional model. This paper also analyzes the indexing cam variety of commonly used processing methods, its slightly superior for comparison, the reasonable processing methods, and to the side of the blade cutter cam profile surface finishing to complete the indexing cam machining tool path simulation. KEYWORDS:indexing cam, UG, CAD, simulation
