目录
摘 要
………………………………………………………………………………
Ⅰ
ABSTRACT
……………………………………………………………………..…
Ⅱ
1 绪论 ..........................................................................................................................1
1.1 课题背景及意义.......................................................................................................1
1.1.1 课题背景 ...........................................................................................................1
1.1.2 课题研究意义 ....................................................................................................2
1.2 数控机床国内外应用现状与发展趋势 .......................................................................2
1.2.1 数控机床国内外应用现状...................................................................................2
1.2.2 数控机床发展趋势 .............................................................................................3
2 数控机床概述 ..........................................................................................................4
2.1．数控机床简介........................................................................................................4
2.1.1 数控机床的定义 ..............................................................................................4
2.1.2 数控机床的特点 ..............................................................................................4
2.2. 数控机床的组成、工作原理与分类 .........................................................................5
2.2.1 数控机床的组成 ..............................................................................................5
2.2.2 数控机床的工作原理 .......................................................................................5
2.2.3 数控机床的分类...........................................................................................5
2.3 数控车床概述 ..........................................................................................................6
2.3.1 数控车床工作原理 .............................................................................................6
2.3.2 数控车床的结构组成..........................................................................................7
2.3.3 数控车床主要加工对象 ......................................................................................9
3 数控车削工艺制定 ................................................................................................11
3.1 数控车床加工工艺的主要内容和基本特点 .............................................................11
3.2 零件图分析 ...........................................................................................................11
3.3 工件在数控车床上的定位与装夹 ............................................................................13
3.3.1 工件在数控车床上的定位 .................................................................................13
3.3.2 工件在数控车床上的装夹 .................................................................................14
3.4 数控车削切削用量的选择 .................................................................................15
3.4.1 粗、精加工时切削用量的选择原则 ...........................................................15
3.4.2 切削用量的选择方法 ........................................................................................16
3.4.3 检验机床功率 ...............................................................................................17
3.5 数控车刀的选择 .....................................................................................................17
3.5.1 常用车刀的类型 ...............................................................................................17
3.5.2 车刀的类型及选择 ...........................................................................................18
