1、盐城工学院机械工程系毕业设计说明书（论文）目 录0 引言11、 总体设计方案311总体设计方案论证312总体设计方案的确定42、横向进给机构的设计与计算421已知条件422滚珠丝杠副的设计5221设计步骤6222设计计算简况723同步带轮的设计8231设计计算简况8232带的工作验算1024同步带轮的选型1025交流伺服电机与选型1026导轨副的选择1227自动转位刀架的设计1228预期结果133结论14工作小结与致谢15参考文献16附件清单17摘要 本文作者主要研究了400mm经济型中档精度数控车床的横向进给机构的设计及其改造。其中,主要论述了两种不同的横向手动进给装置,亦即两种不同的设计方案。通过对两种不同设计方案的优缺点比较,根据提高定位精度、重复定位精度等因素,最终确定设计方案二为本次设计的设计方案。在设计计算中, 本文作者主要对数控车床横向进给机构的主要组成部件:滚珠丝杠副、同步带、同步带轮、交流伺服电机、导轨副及其自动转位刀架等进行了设计计算或选型。其中对滚珠丝杠副、同步带、交流伺服电机以及自动转位刀架的设计计算及选型作了重点论述。此外, 本文作者还对各个零部件进行了设计,
2、并绘制了全部零件图以及该数控车床横向进给机构的装配图。此结构简单可靠,可应用于相似的各类数控车床上。关键词：数控车床 进给机构 进给系统 AbstractMain research 400 mm economical middle-grade precision numerical control crosswise of lathe, author of this text of summary, enter give design of organization and transform. Among them, have described two kinds of different entering horizontal and manually to the device, namely two kinds of different plans of design mainly. Compare through the pluses and minuses to two kinds of different plans of design , according to r
3、aising and orientate the precision , orient the factors, such as precision,etc. repeatedly, confirm plan of design two as the plan of design designed this time finally. In design in calculating, have lathe horizontal to enter give main composition part of organization to numerical more control authors of this text mainly: Ball guide screw vice, bring, bring wheel, exchange servo electrical machinery, vice guide and transfer to location knife rest, etc. design calculating or selecting type automa
4、tically in step in step. Among them guide screw vice to ball taking, exchange servo electrical machinery and transfer to location design of knife rest calculate and selecting type act as and expound the fact especially automatically in step. In addition author of this text go on and design to each spare part also, draw all part picture and lathe horizontal to enter give installation diagram of organization numerical control this. It is reliable that this is of simple structure, can apply to similar all kinds of numerical control lathes . Key words: Computer control lathe Feed equipment Feed system0 引言该次毕业设计中,我很有幸分在“数控车床小组”,我所设计的课题为“数控车床横向进给机构的设计 (经济型中档精度数控机床)”。进行这一设计主要是为了进一步地提高数控车床横向进给机构的定位精度、重复定位精度以及改造手动进给装置以使其能够可靠地运行。而且,通过这次毕业设计也可以检验自己的学习情况,锻炼自己,对今后的学习和工作也有一定程度上的帮助。信息时代的高新技术流向传统产业，引起后者的深刻变革。作为传统产业之一的机械工业，在这场新技术革命冲击下，产品结构和生产系统结构都发生了质的跃变，微电子技术、微计算机技术的高速发展使信息、智能与机械装置和动力设备相结合，促使机械工业开始了一场大规模的机电一体化技术革命。随着计算机技术、电子电力技术和传感器技术的发展，各先进国家的机电一体化产品层出不穷。机床、汽车、仪表、家用电器、轻工机械、纺织机械、包装机械、印刷机械、冶金机械
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