毕业论文设计（数控车床轴类零件加工工艺）学校常州铁道高等职业技术学校专业机电一体化技术姓名张丽娟学号18数控机床轴类零件加工工艺摘要.........................................................................................................................3第一章概述...........................................................................................................3第二章零件图车削加工工艺分析.................................................................42.1数控加工工艺基本特点.................................................................................52.2设备选择............................................................................................................62.3确定零件的定位基准和装夹方式...........................................................62.3.1粗基准选择原则.............................................................................................6................................6.....................662.4加工方法的选择和加工方案的确定...............................................................8............................................................................82.4.2加工方案的确定...........................................................................................82.5工序与工歩的划分.............................................................................................8.......................82.5.2工歩的划分...................................................................................................82.6确定加工顺序及进给路线................................................................................82.6.1零件加工必须遵守的安排原则......................................................................82.6.2进给路线........................................................................................................92.7刀具的选择.......................................................................................................102.8切削用量选择...................................................................................................11............112.8.2主轴转速的选择...........................................................................................112.8.3进给速度的选择...........................................................................................112.9编程误差及其控制.........................................................................................13...............................................................13......................13第三章.编程中工艺指令的处理.............................................................................143.1常用G指令代码功能表...................................................................................143.2常用M指令代码功能表...................................................................................14第四章程序编制及模拟运行、零件加工或精度自检..................................154.1程序编制........................................................................................................174.2模拟运行..........................................................................................................174.3零件加工.............................................................................................................184.4精度自检.................................................................................
