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刀具库总装与控制系统设计毕业论文.doc

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刀具库总装与控制系统设计毕业论文.doc

毕业设计论文刀具库总装与控制系统设计DESIGNOFTHETOOLSASSEMBLYANDCONTROLSYSTEM学生姓名学院名称机电工程学院专业名称机械设计制造及其自动化指导教师徐州工程学院毕业设计论文I摘要刀具库作为加工中心的辅助设备,在制造业中起着举足轻重的作用。刀具库由支架、驱动机构、传动系统、刀架、护罩、电气控制系统等部分组成。刀具的类型有盘式刀库、链式刀库等多种形式,刀库的形式和容量要根据机床的工艺范围来确定。本刀具储存系统的电气控制主要是对其货架进行运行控制和位置控制。运行控制包括运行设备的启动、制动控制。位置控制主要是对货架位置和地址进行检测。本设计的刀库的作用是储备一定数量的刀具,刀具库中的刀具主要用于对工件的切、钻、铣、镗等的加工。XHAD765加工中心的刀具库主要由电动机、制动器、减速器、槽轮机构、链轮链条组成。减速器是三级圆柱齿轮减速器,其结构紧凑、传动比大,均载效果好。做为动力源的电动机,要选择经济实惠的电动机减速器中的轴与齿轮均要进行强度校核,轴按照计算弯曲应力来校核其强度槽轮机构要选择适当的槽数与拨销数链条链轮同样要选择好链轮的齿数控制部分主要研究PLC在选刀方面的作用。关键词加工中心刀具库总装与控制徐州工程学院毕业设计论文IIAbstractToolasaprocessingcenterforthesupportequipmentinthemanufacturingsectorplaysapivotalrole.Toolfromthestent,drive,drivesystem,Turret,shielding,controlsystemsandotherelectricalcomponents.Toolisthetypeofdisctheknife,theknifechain,andothermeans,intheformoftheknifeandcapacityaccordingtothemachinetodeterminethescopeoftheprocess.Thistoolstorageofelectricalcontrolsystemismainlyforoperationalcontrolofitsshelfandpositioncontrol.Operationalcontrolequipment,includingthestartupoperation,thebrakecontrol.PositionControlisthemainlocationandaddressoftheshelvesfortesting.Thedesignoftheknifeistheroleofreserveacertainnumberofknives,cuttingtoolinthetoolusedforthemainpartofthecutting,drilling,milling,processing,andsoboring.XHAD765processingcenterofthemaintoolbythemotor,brakes,reducer,geneva,sprocketchainformed.Reducerarethreecylindricalgearreducer,thecompactstructure,transmissionratio,arecontainedgoodeffect.Asapowersourceforthemotor,itisnecessarytochoosetheeconomicbenefitsofthemotorreducerintheshaftandgeararerequiredtocheckforstrength,calculatedinaccordancewiththeshaftbendingstresstochecktheirstrengthtankroundofinstitutionstochoosetheappropriateslotforthenumberofsalesChainsprockethavetochoosethegoodsprocketteethcontrolofthemainPLCelectionsknifeintherole.Keywordsmachiningcenterstoollibraryassemblyandcontrol徐州工程学院毕业设计论文III目录1绪论.............................................................................................................................................11.1国内外数控机床的发展情况.........................................................................................11.2国内外数控机床的现状.................................................................................................11.3数控机床发展趋势.........................................................................................................21.4刀具库的概述.................................................................................................................31.5链式刀具库原理图.........................................................................................................31.6本文的主要研究内容、意义与前景.............................................................................32链条的选择.................................................................................................................................52.1HP型刀库专用链条........................................................................................................52.2链条参数的选择.............................................................................................................63电动机的选择.............................................................................................................................73.1计算刀库的总重量.........................................................................................................73.2电动机的选择.................................................................................................................84减速器的设计与计算.................................................................................................................94.1确定减速器的总传动比及分配传动比.........................................................................94.1.1确定总传动比.....................................................................................................94.1.2分配减速器各级传动比.....................................................................................94.2计算减速器的动力参数.................................................................................................94.2.1各轴的转速.........................................................................................................94.2.2各轴的输入转矩...............................................................................................104.2.3各轴的输入功率...............................................................................................104.3减速器内齿轮的设计...................................................................................................114.3.1第一级圆柱齿轮的设计...................................................................................114.3.2第二级圆柱齿轮的设计...................................................................................134.3.3第三级圆柱齿轮的设计...................................................................................154.4轴的计算与校核...........................................................................................................164.4.1轴Ⅰ的计算设计...............................................................................................164.4.2轴Ⅱ的计算设计...............................................................................................174.4.3轴Ⅲ的计算设计...............................................................................................214.4.4轴Ⅳ的计算设计...............................................................................................254.5轴承的选用与计算.......................................................................................................284.5.1轴Ⅰ与轴Ⅱ上轴承的选用...............................................................................284.5.2轴Ⅲ上轴承的选用与计算...............................................................................294.5.3轴Ⅳ上轴承的选用与计算...............................................................................305槽轮机构的设计.......................................................................................................................326链轮的设计...............................................................................................................................337箱体加工工艺与工装的设计...................................................................................................347.1箱体工艺设计...............................................................................................................347.1.1箱体的工艺分析...............................................................................................347.1.2选择毛坯...........................................................................................................34

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