底板数控铣削加工 毕业设计

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1、四川航天职业技术学院学生毕业论文（设计）论文题目：底板数控铣削加工作者：指导教师：所学专业：数控技术班别：G11数控套读班学号：201111031026年级：11级完成日期：2013-5-16-44-目录第一章数控加工技术概述·································11.1数控加工在机械制造业中的地位和作用···················11.2数控加工的特点·······································61.2.1自动化程度高···············

2、··························61.2.2加工精度高，加工质量稳定······························61.2.3对加工对象的适应性强·································61.2.4生产效率高···········································7-44-1.2.5易于建立计算机通信网络·······························71.3数控加工编程的目的和方法··················

3、············71.3.1编程的目的··········································71.3.2编程的方法··········································8第二章数控仿真技术······································9第三章数控加工工艺编····································103.1零件分析·········································

4、·····103.1.1毛坯的选择·····························-44-···········103.1.2机床的选择·········································113.1.3确定装夹方案·······································123.2零件图的加工工艺分析·································133.2.1零件的工艺分析···································

5、··143.2.2零件的加工工艺设计·································15一、编制加工工艺··········································16二、确定加工工序及走刀路线································17-44-三、切削用量选择··········································18四、拟定数控加工工序卡片··································19第四章数控加工

6、程序的的编制······························224.1Mastercam软件编程简介································224.2建立坐标系···········································224.3Mastercam编程截图····································224.4Mastercam编程程序····································28第五章-44-斯沃模拟加

7、工······································355.1斯沃软件简介·········································355.2对刀的关键步骤·······································355.3加工过程的截取·······································36第六章致谢··············································39参考文献···········

8、······································40-44-第一章数控加工技术概述1.1数控加工在机械制造业中的地位和作用随着科学技术的飞速发展，机械产品结构越来越合理，其性能、精度和效率日趋提高，更新换代频繁，生产类型由大批大量生产向多品种小批量生产转化。因此，对机械产品的加工相应地提出