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徐州工程学院毕业设计(论文)摘 要组合机床是根据工件加工需要，以大量通用部件为基础，配以少量专用部件组成的一种高效专用机床。目前，组合机床主要用于平面加工和孔加工两类工序。由于组合机床进行加工能够进行多工位加工，提高自动化程度，缩短加工时间和辅助时间。而且组合机床大部分都是由通用部件组成，研制周期较短，便于设计，制造和使用维护，成本低。而且机床易于改造，产品和工艺变化时，通用部件还能重复利用，经济性较好。而且其生产效率高，加工精度稳定，自动化程度高，使工人劳动强度降低。所以组合机床在大批量生产中的应用十分广泛。由于本次加工的零件为变速器箱体，为大批量生产，而且所要加工的孔较多，本次设计的组合机床主要就是对汽车变速器上盖的孔进行加工。本次设计主要绘制组合机床的“三图一卡”，即被加工零件工序图，加工示意图，机床尺寸联系图。通过绘制三图一卡，选择机床的刀具，切削用量，夹具形式，配置形式，通用部件和专用部件等等。三图一卡是设计组合机床的重要组成部分。关键词 组合机床;钻孔;三图一卡 IAbstractThe assembly machine processes is according to the requirement of work pieces , and it is made of a lot of general use parts and a little exclusive use parts and it is a kind of a efficiently production machine. The present, assembly machine tool primarily is used in making the plane surface and the apertures.Because the assembly machine tool can process some parts together ,so it can boost to automate extent, and shorten the time of process，And that assembly machine tool is made of a lot of general use parts, short the time of design, and it is convenient for designing, fabrication , the cost is low. And the machine tool is apt to be reconstructed, When the technics route changes, the general parts can be reused again, so we use assemble machine tool is economical .And because of high production efficiency, the accuracy of process, the stability of its result, the automation extent higher, and so it can debase the strength of the people.So large numbers of assembly machine tools are applied in the machine industrial.Due to the processing of parts for transmission case, for mass production, but also need to machining hole is more, the design of modular machine tool is mainly for auto transmission cover hole processing.This design mainly draw combination machine tools of figure 1 Three figure one card, which is process diagram, processing parts processing schematic drawing, machine size connection diagram. By mapping the three card, select the machine tool cutter, cutting dosage, the fixture, the configuration form, the general parts and special parts, etc. Figure 1 Three figure one card are an important part of the design of modular machine tool.Keywords combination machine tools Drilling Three figure one cardII目 录摘 要IAbstractII1 绪论11.1问题的提出11.2 国内外组合机床的现状及发展趋势21.3机床在国民经济中的地位31.4组合机床的组成、分类及特点31.5 组合机床研究基本内容及关键技术52 组合机床总体方案的制定72.1 组合机床的工艺范围及工艺方案72.1.1 组合机床工艺范围72.1.2确定工艺方案的基本原则72.1.3 确定工艺方案应注意的问题82.1.4 组合机床工艺方案的拟定92.2 组合机床的配置形式103 被加工零件工序图113.1被加工零件工序图的作用与内容113.2被加工零件工序图的制定124 加工示意图144.1 加工示意图的作用和内容144.2组合机床切削用量144.2.1 确定切削用量应注意的问题144.2.2 切削用量的计算154.3刀具，工具，导向装置的选择174.3.1刀具的选择174.3.2接杆的选择174.3.3导向套的选择184.4初定主轴类型、尺寸和外伸长度184.5动力部件的工作循环及工作行程的确定195 机床联系尺寸图及生产率计算卡225.1 机床动力部件的选择225.1.1 动力箱的选择225.1.2 动力滑台的选择及附属部件235.2 确定机床尺寸245.2.1 确定装料高度255.2.2 中间底座轮廓尺寸255.2.3 多轴箱轮廓