车削件
摘要
本次设计主要研究了轴类零件的造型以及对其模型的设计与数控加工。零件加工中涉及了数控车床加工、编程、CAD制图等，在对所加工零件进行工艺分析额基础上，拟定了加工方案。选择了合适的刀具、量具，确定了切削用量。对加工中存在的一些工艺问题（对刀点、加工路线也做了必要的处理），加工出了合格的产品。通过整个加工的过程的制定，充分体现了数控加工技术在保证加工精度、加工效率，简化工序等方面的优势。它主要用来研究机械数控加工的、以及各种机械加工中要注意的问题。
关键词：数控车床；数控编程；数控加工工艺
Abstract
This graduation design is mainlystudied the model of shaft parts and the model design and nc machining.Parts processing involved in the numerical control lathe processing,programming,CAD drawing,etc.,on the based on process analysis of parts processing,processing scheme isworked out.Choose the suitable cutting tools,measuring tool,the cutting parameter is determined.For processing and some technologyproblems in(to the cutting point,processing route and do the necessaryprocessing),work out the qualified goods.Through thewhole machining process,fullyembodies the nc machining technologyin guarantee the machining precision and machining efficiency,simplifythe procedure of advantage.It is mainlyused to studythe mechanical nc machining,and attention should be paid to the problems in all kinds of mechanical processing.
Keywords:CNC lathe,NC programming,The NC machining process
目录
摘要1
Abstract 2
1零件介绍5
2加工工艺方案分析6
2.1定位基准的选择6
2.2加工走刀路线的拟定7
2.2.1零件表面数控车削加工方案的确定7
2.2.2加工阶段的划分8
2.2.3工序的划分9
2.2.4加工顺序的安排11
2.3数控加工工序设计15
2.3.1机床的选择15
2.3.2工件定位与夹紧方案的确定和夹具的选择17
2.3.3确定加工方案18
3加工程序的编制19
4.加工准备20
4.1毛坯的确定20
4.2加工设备的选择20
4.3夹具的确定22
4.4刀具的选择23
4.5选择切削用量24
4.5.1背吃刀量的确定24
4.5.2主轴转速的确定24
4.6量具的选择25
5数控加工工艺卡片的拟定27
6.零件的加工28
6.1工件安装28
6.2刀具装夹28
6.3回机床原点29
6.4对刀30
6.5建立工作坐标系31
6.7自动运行32
致谢34
参考文献36
附录A程序单37
过程卡
目录
设计所包含文件
摘要
字数
工序卡
