数控机床的优点和缺点。

关 键词

：

数 控 技 术 概 念 ； 分 类 ； 加 工 方 法 ； 模 具 制 造 ； 数 控 加 工 工 艺 ； 数 控

编程；

  

目 录

摘要

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目 录

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引言

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正文

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一

模具

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㈠﹑ 什么是模具

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㈡﹑ 模具介绍

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1

﹑模具的分类..................................................................................................................................5

2  模具的发展和应用.......................................................................................................................7
3  我国模具发展的特点...................................................................................................................9

    

二

数控模具

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㈠﹑ 数控加工的特点与应用

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㈡﹑模具与数控加工的关系

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三

数控在模具中的发展与前景

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㈠﹑数控技术在模具中的作用

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1  

﹑ 数控加工概述..........................................................................................................................14

2  

﹑ 数控加工技术在模具制造中的应用......................................................................................15

     

四

以数控车床加工轴类零件为实例

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㈠

,零件图.................................................................................................................................................16

㈡﹑零件图工艺分析

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㈢ ﹑ 设备的选择

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1

﹑机床选择....................................................................................................................................17

2

﹑机床参数....................................................................................................................................19

㈣﹑切削顺序

..........................................................................................................................................20

1

﹑加工方案分析...........................................................................................................................20

2

﹑切削用量的选择.......................................................................................................................21

㈤﹑确定零件的定位基准和装夹方式

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1

﹑粗基准选择原则.......................................................................................................................22

2

﹑精基准选择原则.......................................................................................................................22

3

﹑定位基准....................................................................................................................................22

㈥﹑装夹方式

..........................................................................................................................................23

1

﹑各类夹具及优点.......................................................................................................................23

2