3-TPT型并聯(lián)機(jī)床仿真分析與研究.pdf

1、東北大學(xué)碩士學(xué)位論文3TPT型并聯(lián)機(jī)床仿真分析與研究姓名：呂春梅申請學(xué)位級別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：謝里陽20050101東北大學(xué)碩士學(xué)位論文ABSTRACTStudyonSimulationof3一TPTParallelMachineABSTRACTParallelmachinetoolisanewclassofmachinetool，whichhasreceivedmuchattentionfromtheinternat

2、ionalacademicandengineeringfieldsbecauseithasmanyadvantages，suchashighcapacityofbearingload、highprecisioninmovement、largerangularrigidity、excellentdynamiccharacteristicandSOon。111e血esisinvesfigatestheissuesrelatedtoparal

3、lelmachinetoolinChinaandoverseascountriesandfocusesonthedesignandanalysisofaseriesofasrectssuchasmechanismperformance、kinematics、workspaceetcofa5axisvirtualCNCmachinetoolwhichiSbasedonahovel5DOF(DSX570)spatialparallelmec

4、hanismanddevelopedbypersonsfromAdvancedManufacturing&AutomationLaboratoryNortheasternUniversity，meanwhileakinematicssimulationsystemisimplementfortheparallelmachinebasedonCafia&Adams。AnalysisofMechanismPerformance：Vbloci

5、tyJacobianmatrixiseducedandSingula6tyisanalyzed。11lcconditionnumbersandoperandoftheJacobianmatrixareanalyzedtojudgevelocitytransferperformanceandforcetransferperformancebetweenjointspaceandworkingspacefortheDexterity，mle

6、threedimensionsdrawingsaredrawnbyMatlabtomakeanalysisvisual。AnalysisofKinematics：WimthehelpofMatlab，positiveandreversekinematics(Displacement、Velocity、AcceleratedVelocity)analysisispresentedbasedonthecenterofmovableplatf

7、orm，which1Tlakesitpossibletodetermine。AnalysisofWorkspace：TheworkspaceofmovableplatformisdescribedbyMatlab&3Dsoftwarebasedonthemethodofgeometryandnumeric，thethesisalSOinvestigatestheeffectofsomemainparametersonworkspace。

8、AnalysisofMoldandKinematicsSimulation：Obtainingtheentitymodelandkinematicssimulationwi出thehelpofCatia&Adams，andthekinematicscharacteristicsofparallelmachineiSanalyzedbasedontheresults。Keywords：ParallelMachineParallelMech