开放式数控系统中在机检测运动控制及检测精度研究

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1、天津大学硕士学位论文开放式数控系统中在机检测运动控制及检测精度研究姓名：陈土军申请学位级别：硕士专业：机械制造及其自动化指导教师：吴振勇;王太勇20090501ABSTRACTWiththedevelopmentofCNCtechnology,thetraditionalmanualverificationcannotmeetthehigh．speedandhigh—precisionNCmachiningrequirements·Whileusingcoordinatemeasuringmachinestover

2、ifytheworkpieceintheprocessingofmachiningexistproblemsofre．clamping，highcostsandprolongingidletimeoftool·Thereforeonmachineverification(OMV)techniquewhichisbasedonCNCmachinecomeintobeing．OMVreferstotheuseofthecoordinatesystemandmotioncontrolofCNCmachinetoverif

3、ythecoordinateofworkpiece．OMVwillnotonlysavetlmeandcostsofverification，butalsoimprovethequalityandtherateoffinishedproductsofmachining．TheopendegreeofCNCsystemisthekeyofrealizingOMVonCNCmachine·Cun．entl、，．inhomeandabroad，thereislittleresearchonusingopenCNCsyst

4、emtoachieveOMV．Accordingtothissituation，thisdissertationmakesdeepresearchonthemoduledevelopment，motioncontrolandprecisionofOMVinOpenCNCSystem·Mainresearchworksareasfollows：l、Introducestheresearchbackgroundandsignificance，aswellasdomesticandforeignresearch．Onth

5、eprincipleofcoordinateverification，thedissertationproposesmetllodsofOMVforbasicgeometriccharacteristics．ItalsointroducesthecomponentsofOMVsystem．2、IntrodUC；esthedevelopmentprocessofOMVmoduleinopenCNCsystem，andhasfinishedprogrammingandinterfacedesignaccordingto

6、modularizationideaandobject--orientedprogrammingtechniques·31Byanalyzingthereceptionandtreatmentofprobesignal，designsmotioncontrolmethodofOMVandachievesautomaticverificationandmanualverification·41SourcesoferrorwhichaffecttheprecisionofOMVareanalyzed．Precision

7、oftheOMVsystemischeckedbyverifyingstandardgaugeblockanddataprocessmg·51AprobecalibrationmethodofOMVisproposed·AverificationexampleismadetointroducethebasicprocessofOMV．TheresultsshowthatbyaidingOMVmoduleinopenCNCsystemtoachieveOMVfunctionisentirelyfeasible，mot

8、ioncontrolissafeandreliableandverificationprecisionmeettherequirementsofOMV．Keywords：CNCsystem，onmachineverification，probe，motioncontrol，precision独创性声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作和