并聯(lián)機床精度研究.pdf

1、沈陽理工大學碩士學位論文并聯(lián)機床精度研究姓名：王以振申請學位級別：碩士專業(yè)：機械設計及理論指導教師：郝長中20090310沈陽理工大學碩士論文AbstractRecentlythedevelopmentofParallelMachineToolhasbecomeoneofthehottopicintheMachineToolresearehfield，therearesomeadvantagesintheParallelMachineT

2、oolwhichSerialMachineTooldoesn’tpossess，therefe，itexpstherangeofMachineapplication.Becauseoftheadvantagessuchasitshighratioofstiffnesstomasshighspeedgoodpartsmodularizinglowmanufacturingcostithasbeenanimptantdevelopmentd

3、irectionofnewgenerationmachinetool.Thedissertationstudiesthestructurekinematicserrsimulationof6SPSparallelmachinetool.Thestructureacterskinematicsproblemsof6SPSparallelmachinetoolwereanalyzed.Theproblemsincludeanalysisof

4、structureanalysisofdirectinversesolutionofposition.Onthebasisofresearchonthefwardkinematiesofthe6SPSParallelmanipulatthispaperpresentthenumeriealsolutiontothefwardkinematicsofthemanipulatwiththesuccessiveapproximationmet

5、hod.Thefwardkinematicserrmodelftheposeerranalysisoftheendeffecthasbeenfmulatedintermsofthedifferentialrelationshipofrobotcloseloopvectsofaparallelmanipulat.F6SPSStewartplatfmitsrelevantconfigurationstheposeerrsoftheendef

6、fectcanbedirectlyobtainedwhenthestructuralparameterserrsaregiven.Theeffectsofstructureposeparametersontheposeerrsoftheendeffectareanalyzed.Thepositionswhereuncertainconfigurationsthemaximumdeviationsoftheposeoccurhavebee

7、ndetermined.Underthecontrolofthemaximumdeviationsreasonablestructureparameterswhicharenotsensitivetotheposeerrscanbeobtained.The3dimensionkiicsimulationofthemachineisstudiedbyProENGINEERADAMS.Thewkprincipleofthemachineth