编号淮安信息职业技术学院毕业论文二〇一一年十一月题目心形板零件的数控加工学生姓名马龙学号23091116系部机电工程系专业数控技术班级230911指导教师刘俊顾问教师摘要本设计主要研究典型零件的的数控铣削加工。通过对零件的UG建模，零件图结构分析、加工设备选择、定位基准和装夹方式确定、加工顺序及进给路线确定、刀具选择、切削用量确定、数控加工工序确定以及程序的编制等方面全面分析了一个典型零件的数控加工工艺性，完成该零件的工艺规程（包括工艺简卡、工序卡和数控刀具卡）并绘制了零件图。关键词：心形板UG建模数控加工工艺分析数控编程目录摘要..............................................................I第一章数控机床概述.................................................11.1数控机床的产生和发展...........................................11.2数控机床的加工特点.............................................21.3数控机床的发展趋势.............................................21.4论文概述.......................................................3第二章UG建模.......................................................52.1进入UGNX6.0主界面............................................52.2新建部件文件...................................................52.3绘制草图.......................................................62.4拉伸操作.......................................................72.5倒斜角创建....................................................10第三章典型零件数控加工工艺分析....................................123.1零件图工艺分析................................................123.2确定毛坯......................................................123.3工件的装夹....................................................133.4定位基准的选择................................................133.5选择加工设备..................................................143.6刀具的选择....................................................143.6.1铣刀类型的选择............................................143.6.2铣刀类参数的选择..........................................143.6.3刀具材料..................................................163.7切削用量的选择................................................173.7.1背吃刀量的选择............................................173.7.2进给速度的选择............................................173.7.3选择切削速度..............................................183.7.4主轴转速..................................................183.7.5切削用量的确定............................................193.8切削液选择....................................................193.9数控加工刀具卡................................................203.10工艺过程卡...................................................213.11工序卡.......................................................223.12数控加工走刀路线图...........................................27第四章加工程序的编制..............................................314.1编程简介......................................................314.2编程方法......................................................314.3加工程序......................................................314.4心形槽、圆弧槽和内槽的自动编程................................374.4.1创建程序..................................................384.4.2创建刀具..................................................384.4.3创建几何体................................................394.4.4创建操作..................................................404.4.5指定切屑区域..........
