ug中的零件建模与加工学士学位论文.doc

毕业综合实践说明书 题 目： 零件在UG中的建模与加工 所属系部： 软件学院 专业班级： 12春机械1班 学生姓名： 曲永欣 指导教师： 刘国平 2014年4月30日  毕业综合实践任务书 学生姓名：曲永欣 专业班级：12春机械1班 所属系部：软件学院 题 目：零件在UG中的建模与加工 任务内容： 确定工件各部件尺寸。 在UG软件中进行三维实体建模。 应用到特征操作中的，拉伸、旋转、样条曲线、倒角、等指令。 在UG中用虚拟加工进行加工。 设计技术参数或论文撰写要求： 参考UG课程设计论文规范要求 时间安排： 2014.2.24-3.07：确定课程设计题目，确定尺寸与图片 2014.3.10-21：进行大体设计 2014.3.24-4.07：进行精细设计 2014.4.10-30：完成电子档设计并完成课程设计说明书 参考资料： 1、UG讲义 2、上网查找  摘 要 在UG中完成一个型腔工件的建模与加工，在工件的建模过程中充分的利用上派生直线；拉伸；曲面等一些GU的相关操作，把工件建模出来后进入下一步在GU中的模拟加工加工。在加工过程中创建各种刀具和各种加工方法，在查看加工过程中发现有打刀的情况，我们先的查看在那步发生的打刀，在它的上一步调整避让，调整完成后在生成刀路，查看铣削完成后刀的位置，这样就完成了整个工件的加工。 关键词：曲面；求差；拉伸； 目 录 摘 要·························································I 1. 工件设计······················································1 1.1零件设计·····························································1 1.2毛坯的设计···························································9 2. 工件加工前的准备·············································11 2.1 创建程序···························································11 2.1 创建刀具···························································12 2.3 创建几何体·························································17 2.4 创建方法···························································20 2.5 创建方法···························································21 2.6 完成创建···························································41 3. 调整························································42 3.1铣面避让···························································42 3.2钻头避让···························································46 3.3全部完成···························································47 感 言·······················································48 参 考 文 献····················································49 课程设计说明书题目 1. 工件设计 1.1零件设计 直接建立二维草图平面，在草图平面内选定区域进行作图操作。（如图示） 在草图平面内用矩形操作画一个长120宽100的矩形图形。（如图示） 点击完成草图后再点击图拉伸命令，设置拉伸高为23