学号14113500469毕业设计(论文)题目:小型数控钻床旋转平移工作台控制系统设计作者:何强届别:2015届院别:机械工程学院专业:机械电子工程指导教师:余晓峰职称:副教授完成时间:2015/4/25摘要在机械加工行业中,旋转平移钻床工作台使用量很大,为了提高加工效率,保证加工精度,必须对钻床工作台进行数控化改进。本文对传统钻床工作台存在的不能很好的在圆周方向上钻孔问题,设计了一款立式钻床旋转工作台。本文确定数控钻床工作台整体结构设计方案,对机械部分对圆周方向上旋转,x、y方向上平移做了重点设计。对控制系统部分,本文阐述了用单片机控制交流伺服电机以实现钻床工作台旋转、平移过程。阐述了整个系统的控制原理。本课题所设计的工作台,其加工过程是将所需加工孔的数据通过输入设备输入到控制系统,然后系统根据工件上所需加工孔的坐标,是工作台运动到孔的位置,实现对工件的全自动钻孔,并且系统在加工过程中实时显示加工数据。关键词:传动系统;控制系统;步进电动机AbstractInthemechanicalprocessingindustries,rotarydrillingmachineworkingtableusedinlargequantities,inordertoimprovetheprocessingefficiency,ensuringtheprocessingprecision,totableofthedrillingmachineNCimprovement.Basedontraditionaldrillingmachineworkingtableproblem,designaverticaldrillingmachinerotarytable.Basedonthedomesticandintermationalcurrentsituationanddevelopmenttrendundertookananakysis,indeterminingtheoverallscheme,elaboratedwithSCMcontrolACservomotortoachievedrillingmachineworktablerotation,translationprocess.ThefirstrunningprocessoftheCNCdrillingdesignedbythesubject,istoinputtheprocessingdataabouttheholeintothecontrolsystembytheenteringequipment,thenfindthelocationoflocationoftheholebymovingthetableaccordingtocoordinateofthehole,andtheproceddingdataofthesystemdisplayedinreal-time.Keywords:drivesystem;controlsystem;steppingmotor目录1绪论.......................................................................61.1现状.........................................................................61.2发展前景.....................................................................62.1工作原理及总体框图...........................................................72.2流程图.......................................................................73旋转工作台传动系统设计..................................................93.1旋转部分设计.................................................................93.1.1工作台箱体设计.........................................................93.1.2传动比及参数确定......................................................103.1.3步进电机的选择........................................................113.1.4轴的设计..............................................................133.1.5轴承的选择............................................................153.1.6联轴器的选择..........................................................153.2工作台X-Y机械部分设计.......................................................163.2.1确定工作台的尺寸极其重量..............................................163.2.2滚珠丝杠参数计算与选型................................................173.2.3滚动导程参数计算与选型................................................183.2.4步进电机参数计算与选型................................................193.2.5支撑座参数设计........................................................203.2.6联轴器的选择..........................................................214工作台控制系统设计......................................................224.1控制系统元...