数控机床自动编程的方法 毕业论文

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1、15数控机床自动编程的方法目录第一章概述1.1自动编程的基本原理·····································································41.2自动变成的主要特征·····································································41.3自动变成的分类············································································5第二章CAD/CAM集成数据变成系

2、统简介2.1系统的功能与使用方法································································82.2分析加工零件···············································································92.3对待加工表面及其约束面进行几何造型······································92.4确定工艺步骤并选择合适的刀具··········································

3、·······92.5刀具轨迹生成及刀具轨迹编辑·····················································102.6刀具轨迹验证···············································································102.7后置处理······················································································10第三章MasterCAM自动编程软件简介3.1M

4、asterCAM系统软件简介·····························································1015153.2图形交互自动编程的基本步骤·····················································123.3MasterCAM的数据传输·································································23第四章自动编程的现状和发展4.1数控语言自动编程····························

5、···········································144.2自动编程的发展趋向···································································结束语·····································································································参考文献························································

6、········································致谢··························································································第一章概述1515使用计算机（或编程机）进行数控机床程序编制工作，即由计算机（或编程机）自动的进行数值计算并编写零件加工程序单，自动的打印输出加工程序但单，并将程序记录到穿孔纸带或其他的数控介质上。数控机床程序编制工作的大部分或全部由计算机（或编程机）完成的过程，即为自动程序编程。1.1自动编程的基本原理自动编

7、程是通过数控自动程序编制系统实现的。自动编程系统（图1-1）有硬件和软件两部分。硬件主要有计算机、绘图机、打印机、穿孔机及其他一些外围设备；软件即计算机编程系统，又称编译软件。自动编程的工作过程如图2-2所示。1.1.1准备原始数据自动编程系统不会自动地编制出完美的数控程序。首先，人们必须给计算机输入必要的原始数据，这些是数据描述了被加工零件的所有信息，包括零件的几何形状，尺寸和几何要素之间的相互关系，以及刀具运动轨迹和工艺参数等。原始数据的表现形式随着自动编程技术的发展越来越多样化，它可以是用数控语言编写的零件源程序，也可以是图形信息，