圓盤轉(zhuǎn)子永磁懸浮軸承支承剛度特性研究

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中圖分類號(hào)：TH133.3 文獻(xiàn)標(biāo)志碼：A DOI：10.16385/j.cnki.issn.1004-4523.202312036

Abstract：Researchonmagneticallevitatedrotors hasbeenheavilyinfluencedbystudiesonslendershaft magneticlevitatedro tors.Inthestudyonacertainmagneticalllevitatedflatotorforaentrifugalpumpstructure，bothexperimentsandfiniteelement analysisrevealedthatthesupportcharacteristicsof teradialpermanentmagneticbearings，withthesamedualringstructure，exhibited thesignificantdiferencesfromtheknownexperiencewhenapliedtoflatrotors.Thetranslationalstifessandtorsional stifnessshowedsubstantialvariations.Tispaperanalyes thevariationsintraslationalandtorsionalstifnessofpermanetmag neticradialbearings forflatrotors basedonchanges inthebearing’sstructuraldimensions.Basedontheanalysis，aflatrotormag neticlevitationstructureisproposed，whichcanincreaseandadjustthetorsionalstifnesofthepermanentmagneticbearings， whilealsoallwingforarationalratiobtweentranslationalandtorsionalstife.Afiniteelementanalysisisusedtoidentifythe structuralconditionsthatyieldmaximumtranslationalandrotationalstifnessTheefectivenessoftheproposedmethodologyis subsequently validated.

Keywords：magneticleviationbearing;permanentmageticaring;engthdiameterati;traslatioalstfess;otatioalf

近年來，隨著與磁懸浮相關(guān)的電磁學(xué)、電子學(xué)、轉(zhuǎn)子動(dòng)力學(xué)、有限元方法等的發(fā)展，尤其是釹鐵硼稀王強(qiáng)磁材料的量產(chǎn)成本下降，永磁懸浮軸承的磁力性能已經(jīng)可以滿足越來越多工業(yè)領(lǐng)域的應(yīng)用需要，展現(xiàn)出適合推廣應(yīng)用的工業(yè)實(shí)用價(jià)值。（剩余9563字）