目 录
1 数控机床的概述 ............................................................................................1
1.1 数控加工简介 ...................................................................................................1
1.2 数控加工工艺及其工艺特点 ...........................................................................3
1.3 数控加工必须遵循的一般原则 .......................................................................4
1.4 数控加工的步骤 ...............................................................................................4
2 刀具和切削用量的选择 ..................................................................................5
2.1 数控机床对刀具的要求 ...................................................................................5
2.2 刀具的选择方法 ................................................................................................5
2.3 切削用量的选择 ...............................................................................................7
3 夹具的选择 ...................................................................................................9
3.1 夹具的基本概念: .............................................................................................9
3.2 夹具的选择: ...................................................................................................10
3.3 夹具的类型: ...................................................................................................10
3.4 夹具的作用: ...................................................................................................10
3.5 零件的安装: ...................................................................................................10
4 轴的类型及材料选择...................................................................................11
4.1 轴的类型 ..........................................................................................................11
4.2 轴类零件的材料和毛坯选择 .........................................................................11
5 数控机床的坐标系统....................................................................................12
5.1 机床坐标系 .....................................................................................................12
5.2 工件坐标系 .....................................................................................................12
6 数控车削工艺..............................................................................................13
6.1 数控加工工艺内容的选择 .............................................................................13
6.2 数控加工零件的工艺性分析 .........................................................................14
6.3 工艺分析及处理 .............................................................................................15
6.4 螺纹加工的尺寸计算 .....................................................................................17
6.5 编写程序 .........................................................................................................17
6.6 备注 .................................................................................................................20
7 数控加工的优势..........................................................................................22
结 论.........................................................................................................24
致 谢.........................................................................................................25
参考文献.........................................................................................................26
