基于三維CAD-CAE技術(shù)的平面磨床床身結(jié)構(gòu)的仿真分析與研究.pdf

1、山東大學碩士學位論文基于三維CADCAE技術(shù)的平面磨床床身結(jié)構(gòu)的仿真分析與研究姓名：郭明飛申請學位級別：碩士專業(yè)：機械制造及其自動化指導(dǎo)教師：劉鎮(zhèn)昌2002.11.25山東大學碩士學位論文ABSTRACTIntherecentyears，thedevelopmentofhardwareandsoftwareofcomputertechnology西vesUSnewmethodsandtoolsforR&DofmachinetoolsBa

2、sedontheanalysisofcurrentstatusanddevelopmenttendencyofmodemmachinetoolsdesign，thispaperintroducesanewthoughtthatmachinetoolsdesignshouldcomprehensivelyconsiderstatic，dynamic，andthermalpropertiesofthemachinetoolsstructur

3、etoobtainthetotallyoptimizedmachinetoolsstructurebymeansofCAD／CAEtechnologyIntheroutineofdesigning，followingthepositiveprocedureofdynamicdesignofmachinetools，weproposedadesignideathatincludedstatic，dynamicandthermaldesig

4、nsimultaneouslyA3DentitymodelofHorizoutalSpindleSurfaceGrinderwithRectangularTableM7130／Hwasestablishedwitlltheadvanced3DCADdesignsoftwarePro／ENG烈EERTheforcesituationappliedonthebodvofthegrinderwasanalyzedanditsstaticana

5、lysismodelwasestablishedbasedontheaboveWOrkStaticpropertyofthegrinder’SbodyWassimulatedwiththefamousCAEsoftwareANSYSThefiguresofnodestressandnodestrainaswellasthedeformationculweineachdirectionwereobtainedTheweakzoneofst

6、iffnessWasfoundoutunderstaticloadsThethermalpropertyofthebodywasalsoanalyzedandthesteadYtemperaturefieldaswellastemperaturedistributioncurvesontheguidewayandbackbodywereobtainedThenthedeformationpropertyofthebodvunderthe

7、rmal—structuralcouplingfieldwassimulatedTheresultshowedthatthermaldeformationofthebodyhasanimportanteffectonthecomprehensivestiffnessofthebodyBasedonthestaticandthermalanalysis，thebodystructurewasredesignedbymodifyingthe

8、shapeandthicknessofthewallsandribsofthebodyDuringthedesignprocess，wenoticedthatthesupportstylehassignificanteffectonbody’SstiffnessSowecomparedseveraldifferentsupportstylestodeterminewhichoneiSmostsuitableTheresultsshowe

9、dthatthefivepointsupportisthebestchoiceReanalysisonimprovedbodystructurewasdonewithANSYSnedeformationcharacteristicsactingunderstatic—thelie【alstructurecouplingfieldwereobtainedAsaresult，thecomprehensivestifinessofthemod