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X-Y数控工作台设计 毕业论文.doc

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X-Y数控工作台设计 毕业论文.doc

毕业设计说明书1审定成绩毕业设计(论文)设计(论文)题目XY数控工作台设计系部名称机电工程系学生姓名专业机电一体化技术班级学号指导教师答辩组负责人填表时间2010年6月毕业设计说明书2目录摘要..........................................................................................................................3Abstract..........................................................................................................................4第一章绪论....................................................................................................................5第二章XY工作台的总体设计.........................................................................................81.总方案的拟定................................................................................................................81.1研究问题.............................................................................................................81.2拟订方案.............................................................................................................82.总体方案的确定............................................................................................................8第三章机械传动系统的设计..........................................................................................101.导轨上移动部件的重量估算......................................................................................102.铣削力的计算...........................................................................................................103.直线滚动导轨副的计算与选型.....................................................................................103.1直线滚动导轨副的选型......................................................................................103.2滑块承受工作载荷计算及导轨型号的选取.................................................143.3距离额定寿命L的计算.......................................................................................144.滚珠丝杠副的选型与计算............................................................................................154.1滚珠丝杠副的主要尺寸参数...............................................................................154.2滚珠丝杠副的标注方法及精度等级.....................................................................164.3滚珠丝杠副的支承形式......................................................................................174.4滚珠丝杠副轴向间隙的调整与预紧.....................................................................184.5刚性丝杠副的技术与选型...................................................................................184.6滚珠丝杠副的安装联接尺寸...............................................................................214.7滚珠丝杠螺母副的计算与选型............................................................................225.步进电动机的选择.......................................................................................................245.1步进电动机的特点.............................................................................................245.2步进电动机的分类.............................................................................................245.3步进电动机的参数及其选择...............................................................................255.4步进电动机的计算与选型...................................................................................275.5步进电动机的初选.............................................................................................295.6步进电动机的确定.............................................................................................316.联轴器的选用..............................................................................................................366.1联轴器的分类....................................................................................................366.2联轴器选用........................................................................................................36第四章系统设计的回顾与展望......................................................................................38结束语...........................................................................................................................39参考文献........................................................................................................................40毕业设计说明书3摘要当今世界电子技术迅速发展,微处理器、微型计算机在各技术领域得到了广泛应用,对各领域技术的发展起到了极大的推动作用。一个较完善的机电一体化系统,应包含以下几个基本要素机械本体、动力与驱动部分、执行机构、传感测试部分、控制及信息处理部分。机电一体化是系统技术、计算机与信息处理技术、自动控制技术、检测传感技术、伺服传动技术和机械技术等多学科技术领域综合交叉的技术密集型系统工程。新一代的CNC系统这类典型机电一体化产品正朝着高性能、智能化、系统化以及轻量、微型化方向发展。关键字机电一体化的基础基本组成要素特点发展趋势毕业设计说明书4AbstractNowtheworldelectronictechnologyrapidlyexpand,themicroprocessor,themicrocomputerobtainthewidespreadapplicationinvariousareaoftechnology,tovariousdomainstechnologydevelopmentenormouspromotioneffect.Aperfectintegrationofmachinerysystem,shouldcontainthefollowingseveralbaseelementsBasicmachine,powerandactuationpart,implementingagency,sensingmeasurementcomponent,controlandinformationprocessingpart.Theintegrationofmachineryisthesystemtechnology,thecomputerandtheinformationprocessingandmanagementtechnology,theautomaticcontroltechnology,theexaminationsensingtechnology,theservodrivetechnologyandthemechanicalskillandsoonmultidisciplinaryareaoftechnologysynthesisoverlappingtechnologyintensivesystemsengineering.NewgenerationsCNCsystemthiskindofmodelintegrationofmachineryproducttowardthehighperformance,theintellectualization,thesystematizationaswellasthefeatherweight,themicrominiaturizeddirectiondevelops.keywordsIntegrationofmachineryfoundation,basiccomponentelements,characteristic,trendofdevelopment.

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