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中国图书分类号：TP274.4学校代码：10213国际图书分类号：密级：公开工程硕士学位论文基于轻触式位移传感器的手机产品尺寸检测设备研制硕士研究生：郑国增导师：于刚副教授副导师：杨继文高级工程师申请学位：工程硕士工程领域：机械工程所在单位：富士康科技集团答辩日期：2012年6月授予学位单位：哈尔滨工业大学ClassifiedIndex:TP274.4U.D.C.:DissertationfortheMaster’sDegreeofEngineeringTHEDEVELOPMENTOFMEASUREMENTDEVICEFORDIMENSIONOFMOBILEPHONEBASEDONSOFT-TOUCHDISPLACEMENTSENSORCandidate:ZhengGuozengSupervisor:AssociateProf.YuGangCo-AssociateSupervisor:SeniorEngineerYangJiwenAcademicDegreeAppliedfor:MasterofEngineeringSpecialty:MechanicalEngineeringAffiliation:FOXCONNTechnologyGroupDateofDefence:June,2012Degree-Conferring-Institution:HarbinInstituteofTechnology哈尔滨工业大学工程硕士学位论文-I-摘要本课题目的是为某款手机产品金属环开发的长度和宽度尺寸在线检测设备，金属环是薄壁框形件，易变形，易刮伤，是在线检测的瓶颈。本设备是基于轻触式位移传感的检测系统，以解决手机零组件中易变形、易刮伤薄壁产品的尺寸在线检测难题，对提高检测能力、保障质量、提升良率和企业竞争力有着重要意义。首先，对系统的检测原理和精度进行了分析和阐述，确定了系统的总体结构。系统检测原理是将既定产品的尺寸规格与实际检测数据进行比较判断。通过对机构定位误差实验模拟分析，被测产品平面度误差实验分析，产品在受传感器探针力后变形有限元仿真分析，从而确定机构设计时必须达到的定位精度，受测产品必须达到的平面度要求，探针在产品上的合理位置及探针的型号，在此基础上确立了系统的总体设计方案。然后，对系统的机构和硬件部分进行了设计。机构和硬件部分包括机构定位模块、运动执行模块、数据采集模块、PLC数据处理和通讯模块、触摸屏人机界面及数据存储模块。机构定位模块和运动执行模块由自动定心夹紧机构和机构远动执行零部件组成，实现系统的精确定位和动作执行。数据采集模块由轻触式和超轻触式位移传感器与之配套的数字探头接口、电源接口、测量网络的驱动软件等组成，采用RS232通讯协议通讯。PLC数据处理及通讯模块选用Omron公司的CP1H-X40DT-D型PLC作为整个系统的控制处理器，PLC通过RS232IM直接连接到Orbit3网络，实现对数据采集模块的控制。触摸屏人机界面和存储模块由触摸屏和800G硬盘等组成，主要实现显示、输入、存储功能。其次，系统的软件开发。系统触摸屏软件开发相对独立，采用MCGS嵌入版组态软件配合其触摸屏来对整个测量系统相关数据与信息的显示、输入和控制。控制系统软件采用模块化设计，应用Omron公司的CX-programmer/CX-simulator开发软件平台，使用梯形语言完成应用程序的编写，实现系统的控制。最后，本系统开发完成后,对设备精度和GRR进行了评估，设备精度为0.01mm，测量的单件周期为5秒，测量准确高效，实现了手机零组件中易变形易刮伤薄壁产品的高效高精度在线尺寸测量。关键词：易变形件；薄壁件；尺寸测量；LVDT哈尔滨工业大学工程硕士学位论文-II-AbstractThepurposeofthisprojectisfordevelopingthemeasuringdeviceofthelengthandthewidthdimensionoftheonemobilephonemetalringonlinemeasuring.Metalringisthethin-walledpart,easydeformingandscratching,whichisabottleneckofonlinemeasuring.Themeasuringdevicebasedonthesoft-touchdisplacementsensorsolvesthemeasuringproblemofthethin-walledpartsformobilephonecomponentsonlinemeasuring.Itisimportantsignificancetoimprovethedetectioncapability,toensurethequality,toimproveyieldandenterprisecompetitiveness.Firstofall,thedetectionprincipleandtheprecisionofthesystemareanalyzedandexpounded,theoverallstructureofthesystemisdetermined.Systemtestingprincipleisthecomparisonbetweentheactualmeasuringdatumandtheestablishedsizeofproductsandthenjudging.Analyzingthepositioningerrorthroughsimulationexperiment,analyzingtheproductflatnesserrorthroughdoingexperiment,analyzingtheproductdeformingbysensorprobeforcethroughfiniteelementsimulation,itisdeterminedthatmechanismdesignmustmeetpositioningaccuracy,thatmeasuredproductmustmeettheflatnessrequirement,thatprobeisareasonablepositionontheproductsandprobe’sthetype,basedonthese,theoveralldesignschemeofthesystemisestablished.Andthen,designingthesystem’smechanismandhardware,itiscomposedofthefollowingmodules:positioningmodule,movementexecutionmodule,dataacquisitionmodule,PLCdataprocessingandcommunicatingmodule,man-machineinterfaceanddatastoragemoduleandtheapparatusbody.Thepositionmoduleandmovementexecutionmoduleismainlycomposedoftheautomaticcenteringclampingdeviceandmechanicalmoveexecutivecomponents,toachieveprecisepositioningandactionexecutingofthesystem.Thedataacquisitionmoduleismainlycomposedofthesoft-touchandultrasoft-touchdisplacementsensoranddigitalmeasurementmodule,apowerinterfacemodule,measuringnetworkdrivingsoftwarepacketc,usingRS232protocol;TheOmron’sCP1H-X40DT-DPLCasthesystemcontrollingprocessorforPLCdataprocessingandcontrollingmodule,PLCenterstheobrit3networkthroughRS232IMmodule,controllingthedataacquisitionmodule;Touchscreenman-machineinterfaceandstoragemoduleincludingtouchscreenand800Gharddiskandothercomponents,mainlyrealizesdisplayingandinputtingandstoragefunctions.Secondly,thesoftwaredevelopingforthesystem,Touchscreensoftware哈尔滨工业大学工程硕士学位论文-III-developmentisrelativelyindependent,theembeddedMCGSconfigurationsoftwareversionmatchesupitstouchscreentodisplayandinputandcontroltherelevantdataandinformationofmeasuringsystem.Controlsystemsoftwareadoptsmodulardesigning,byusingtheOmronCX-programmer/CX-simulatorsoftwareasthedevelopmentplatform,usingtheladderlanguagetocompletesoftwaredevelopmenttorealizethefunctionofcontrollingsystem.Finally,thesystemdevelopmentfinished,itsprecisionandGRRareevaluated.Itsprecisionis0.01mm，thesinglecycletimeofmeasuringis5seconds.Itisprovedinaccurateandefficiencyformeasuringthemobilephonecomponents,themeasuringsystemrealizeshighefficiencyandhighprecisionmeasuringon-lineforthethin-wallpartwhichiseasytodeformandeasytoscratch.Keywords:easy-deformedpart,thin-walledpart,sizemeasurement,LVDT哈尔滨工业大学工程硕士学位论文-IV-目录摘要.....................................................................................................................................IAbstract.............................................................................................................................II第1章绪论....................................................................................................................11.1课题的来源及研究目的和意义.................................