复杂数控加工零件加工工艺和程序设计摘要本次设计是对一典型平板类零件进行数控加工设计，侧重于对零件的数控加工工艺分析和编程编写，主要设计容有：完成该零件的工艺规程（包括工艺过程卡、工序卡和数控刀具卡）和主要工序的容设计，以最优的路线完成零件的加工，达到实际生产的需要。用 G 代码编制该零件的数控加工程序，并运用CAD/CAM 相关软件绘制零件图以与三维实体图，使人能一目了然的了解到零件的结构特征。学会使用图表资料和手册，将与本设计有关的各种资料的名称、出处，能够做到熟练应用。关键词：工艺分析、数控编程、CAD/CAMAbstractThe design is a typical design of NC machining for flat parts, focusing on analysis and programming of NC machining process of parts prepared, main design elements: complete the part of the procedure specification (including process cards, processes card and CNC tools cards) and primary content design, optimal routes to complete parts of the processing, to actual production needs. Preparing NC machining of the parts with the g code programs, and draw the parts using CAD/CAM software, as well as three dimensional entity, so that people get a clear understanding of the structural features of the part. Learn how to use chart information, and manuals, and this name, source of information relevant to the designing, can do skilled application.Key words: analysis of techniques, NC programming, CAD/CAM目录摘要 IAbstractII绪论 1第 1 章西门子 802D 数控系统简介 21.1 SINUMERIK 802D21.1.1SINUMERIK 802D 介绍 21.2 G 代码 21.3 M 代码 3第 2 章零件图纸的分析 42.1 零件图分析 4第 3 章加工准备与设计 63.1 机床与毛坯材料的选择 63.1.1 机床的选择 63.1.2 毛坯的选择 73.1.3 加工余量 83.2 夹具与刀具的选择 83.2.1 夹具的选择 83.2.2 刀具选择 83.3 基准的选择 113.4 切削用量 123.4.1 吃刀量 123.4.2 进给速度 123.4.3 切削速度 133.5 确定工艺路线 153.6 数控加工工序卡 17第 4 章编程设计 21参考文献：29总结 30致 31附录 32...
