毕业论文：基于Fanuc系统的车削加工（终稿）.doc

7.5.4-3 基于Fanuc系统的车削加工 摘要： 数控车床是目前使用最广泛的数控机床之一。数控车床主要用于加工轴类、盘类等回转体零件。通过数控加工程序的运行，可自动完成内外圆柱面、圆锥面、成形表面、螺纹和端面等工序的切削加工，并能进行车槽、钻孔、扩孔、铰孔等工作。 数控车床种类较多，但主体结构都是由：车床主体、数控装置、伺服系统三大部分组成。 数控机床的编程方法有手工编程和自动编程两种。手工编程，编制复杂零件时，容易出错；而自动编程则不会发生这种情况。 编程就是将加工零件的加工顺序、刀具运动轨迹的尺寸数据、工艺参数（主运动和进给运动速度、切削深度）以及辅助操作（换刀、主轴正反转、冷却液开关、刀具夹紧、松开等）加工信息，用规定的文字、数字、符号组成的代码，按一定格式编写成加工程序。 数控机床程序编制过程主要包括：分析零件图纸、工艺处理、数学处理、编写零件程序、程序校验。 机床夹具的种类很多，按使用机床类型分类，可分为车床夹具、铣床夹具、钻床夹具、镗床夹具、加工中心夹具和其他夹具等。CNC lathe is the most widely used one of the CNC machine tools. CNC lathe machining for the main shaft, plates and other types of rotating parts. NC machining process through the operation can be done automatically and outside the cylinder, cone surface, forming surface, Thread and End of the processes of cutting, and the car bays, drilling and reaming, Reaming work. CNC lathe more categories, but the main structure are : the main Lathe, CNC equipment, servo system has three major components. CNC machine tool programming manual methods of programming and automatic program two. Manual programming, the preparation of complex parts, prone to error; And automatic programming will not happen. Programming is part of the processing sequence processing, tool trajectory size data Process parameters (main movement and feed velocity, cutting depth) and ancillary operations (ATC, spindle rotating direction Coolant switches, tool clamping, loose, etc.) the processing of information, with the words, figures and symbols of code, according to a certain format into processing procedures. CNC machine tool programming process include : analysis of parts drawings, crafts, math, procedures for the preparation o Key words: CNC, lathe, programming, processing. f parts, calibration procedures. Fixture of many types, by the use of machine type can be divided into fixture lathe, milling machine fixture, drilling fixture. Keywords Numerical control； numerical control lathe ； programming； processing 目 录 绪论 ……………………………