基于VERICUT的多边形连续加工仿真系统的研究与开发-机械设计及理论专业论文.docxVIP

摘要本文深入研究了基于VERICUT的多边形零件连续加工仿真系统实现的原理、方法 摘要 本文深入研究了基于VERICUT的多边形零件连续加工仿真系统实现的原理、方法 及关键技术，开发了基于VERICUT的多边形连续加工几何仿真系统。本文主要研究内 容包括： (1)综述了CAD／CAM技术的发展概况、数控加工仿真技术的国内外研究现状及 发展趋势，论述了多边形零件加工的技术现状，阐述了课题的主要研究内容和意义。 (2)提出了基于VERICUT的多边形连续加工几何仿真系统的设计原则和设计目 标，构建了多边形连续切削几何仿真系统的框架，论述了各模块的功能及实现方法。 (3)深入研究了摆线的定义与参数方程，提出了利用摆线原理加工多边形零件的 方法；研究了摆线参数对摆线形状的影响，基于MATLAB实现了多边形连续加工的误 差分析与计算，从理论上证明了利用摆线原理加工多边形零件的可行性。 (4)研究了多边形连续加工的特点，分析了数控机床的运动关系，构建了数控机 床的总体结构；构建了机床、刀具、毛坯及夹具的三维实体模型，实现了模型的参数化。 (5)研究了基于VERICUT的数控仿真的方法，构建了基于VERICUT的多边形连 续加工几何仿真系统，并将其应用到直槽与多边形的加工仿真中，通过对加工结果的误 差分析，进一步验证了利用摆线原理加工多边形的正确性。 最后，对全文的研究工作和取得的成果进行了总结，并提出了进一步研究的设想。 关键词：多边形数控加工仿真摆线VERICUT AbstractIn Abstract In this dissertation，the theory,methods and key technologies of the simulation system of continously machining the polygon based on VERICUT are studied systematically．The geometrical simulation system of continously machining the polygon based on VERICUT is developed．The main contents of the dissertation are as following： (1)The and present status trends of the research on CAD／CAM，NC machining simulation and the machining method about the polygon parts are reviewed．The function of modules and the implementation method are discussed． (2)The design principle and the design goal of the geometrical simulation system of continously machining the polygon based on VERICUT are presented．The frame of it is built, and the relevant function models and the realized methods are put forward． (3)The defination and the parametric equation of cycoid are researched deeply．The method of machining the polygon part using the principle of cycoid is put forward．The influence of cycloid parameters in the cycloid equation on its shape is researched,and the error analysis and calculation about continously machining polygon are realized based on VERICUT．So the feasibility of machining the polygon part using the principle of cycoid is proved in theory． (4)The characteristics of continously machining polygon are researched．The motion relations of NC