数控技术与应用专业毕业论文--基于UG充电器模型的计算机辅助设计与制造.docVIP

摘 要 CAD/CAM是计算机辅助设计/计算机辅助制造的简称。CAD/CAM软件很多，如MasterCAM, Pro/Engineer, UG等。Unigraphics(简称UG)软件是美国EDS公司著名的3D产品开发软件，利用UG软件可以更好地提高设计质量与设计效率，由于其强大的功能，已逐渐成为当今世界最为流行的CAD/CAE/CAM软件之一。 本文详细叙述了运用UG软件实现充电器支座三维模型设计及虚拟制造的方法。先在UG软件的CAD建模中，通过拉伸实体、布尔运算、实体抽壳和实体倒圆角等功能绘制出充电器支座的三维模型。然后在UG的加工模块中，完成充电器模型的虚拟制造，生成了两个平面轮廓铣程序，一个是粗加工程序另一个是精加工程序。后置处理中选用MILL_3_AXIS机床，生成机床可以识别的程序。在虚拟制造中，还需要考虑到刀具、切削用量等加工工艺的选择，这些在文中也作了详细介绍。 此外，文中还介绍了数控加工中程序传送的方法。利用CimcoEdit软件将生成的程序传送到西门子铣床上。要注意的是，粗加工程序较短，可以先直接传送到机床中，然后加工。但精加工程序比较长，不能完成一次性传送，因此文中介绍了边传送边加工的DNC加工方法。 关键字：CAD/CAM虚拟制造数控加工UG；充电器 ABSTRACT CAD/CAM is an abbreviation of Computer Aided Design/Computer Aided Manufacturing. There are many CAD/CAM software，such as MasterCAM, Pro/Engineer, UG and so on. Unigraphicscalled UG)produced by American EDS Corporation is famous 3D software. The design quality and the rated capacity can be improved well by using UG software. As a result of its formidable function, UG has gradually becoming one of the most world popular CAD/CAE/CAM software. This paper elaborates on 3D model design and virtual manufacturing of chargers by UG Software. First in CAD modeling, draw the 3D model of chargers through tensile entities, Boolean operation, shell entities and entities rounding function. Then in UG processing module, complete the Chargers virtual manufacturing model. It produces two plane contour milling procedures. One is a rough machining procedure another is a precision machining procedure. In post processing, the topic selects the MILL_3_AXIS machine. It can produce procedure which can be identified by machine. In the virtual manufacturing, processing craft must be considered which contains the cutting tool, cutting specifications choice and so on. The article also gives a detailed briefing. In addition, this paper introduces a program transmission method. By CimcoEdit input software generated procedures into Siemens milling machine. It should be noted that the rough machining procedure is short, may directly transmitted i