单螺杆压缩机星轮齿磨损问题的研究

20096218:2009-06-02:100622971(2009)0620016205,,(,710049):,,,,:(1),,;(2),,,:;;;:TH455:AResearchofWear2out2failureofStar2wheelTeethinSingleScrewCompressorsLITing,WUWei2feng,FENGQuan2ke(SchoolofEnergyandPowerEngineering,XianJiaotongUniversity,Xian710049,China)Abstract:Thelowwearresistanceofthestar2wheeltoothhasnowbecomeakeytechnicalproblemtodevelopthesinglescrewcompressorfurther.Basedontheresearchhistoryofthewearofthestar2wheeltoothandinvesti2gationsonoutofworkstar2wheels,wearbehaviorsofthestar2wheelteethareanalyzed,andweconcludedthatbothapplicationofhighwear2resistanceplastics,suchasPEEK,tostar2wheels,andtheimprovementofthema2chiningprecisioncannotofferefficientsolutionstothisissue.Finalreasonforthefastwear2out2failureofthestar2wheeltoothisapluscircumferentialforceresultedfromtheunbalancedoilforcesontheteeth.Thus,wesuggestedthattwoaspectsofworksmustbecarriedouttoimprovetheoperatinglifeofthetooth:improvementofthetoothprofilessuchasthemulti2columnenvelopemeshingpairandoptimizationdesignoftheprofileparame2tersbasedontheoilforcesonteeth.However,newtypeofsinglescrewcompressorswiththemulti2columnenve2lopemeshingpairshasbeendevelopedandithascomeintoaprototypemachiningstepwithgreathopefultoim2provetheoperatinglifeofthestar2wheelteeth.Keywords:wearresistanceofthestar2wheeltooth;machiningprecision;multi2columnenvelope;oilforces1:,;,,,1,,,61;,,,(),(,,),,5%7%[4]1CP,,,6000h,1912%,,2211[2],(Zimmern),,2,,,,,[5]10,,,,2(PEEK),,,3(PEEK)3(PEEK),,3:(1),,()()2,,(2),2A,2lr,lr,r,,71(3),,;,,,,;,(PEEK),;212,,[2],2,,,,,Zimmern()[6],(Zimmern)4,,,,,,416mm,200mm(6m3/min),3mm,;,[4],,Jensen(),[5]4,,,,(),,Zimmern[9],,,80Zimmern:(),,,,2005,[10],5,,,,,,,,,,,[11],,815,[12],66,,,aI,bII,cIII213,,[13],[14][14],,,,3,,,,:(1),,,,015mm,0102mm,,(2),,:,(),,,,,:[1]GoodyearJW.Pressureenergytranslatingandlikedevices:USA,91200962182,716,861[P],1955.[2]ZimmernB.Wormrotarycompressorswithliquidjoints:USA,3,180,565[P],1965.[3]ZimmernB.Fromwatertorefrigerant:twentyyearstodeveloptheoilinjection2freesinglescrewcompressor[C].Purdue,1984:513-518.[4]ZimmernB,PatelGC.DesignandoperatingcharactersoftheZim2mernsinglescrewcompressors[C].Purdue,1972:96-99.[5],.[J].,1998,(07).[6]ZimmernB.Rotaryinter2engagingwormandwormwheelwithspe2cifictoothshape:USA,3,932,077[P].1976.[7]WuWF,FengQK.Thecolumnenvelopemeshingpairanditsde2signmethodforsinglescrewcompressors[J].JournalofZhejiangUniversitySCIENCEA,2009,10(1):31-36.[8]JensenD.Methodformanufacturingfluidcompression/compressorrotor:USA,6,122,824[P].2000.[9]ZimmernB.Inter2engagingthreadedrotorandinionmachinewithmulti2degedpiniontoothflanks:USA,4,321,022[P],1982.[10],,,.[J].,2005,(03).[11].[J].,2006,(05).[12],,.[J].,2007,(11).[13],.[J].,1998,(11).[14],,.[J].,2009,(01).:100622971(2009)0620020203,(,361021):,,,,:;;:TH45:AVirtualPrototypeTechnologyandItsApplicationsintheresearchofDomesticAirCompressorZHENGChao2yu,CHENWu(JimeiUniversity,Xiamen361021,China)Abstract:Asoneofthefocalpointincurrentsimulationtechnology,virtualprototypetechnologyiswidelyused.ThispaperintroducesVirtualprototypetechnology,anddiscussesitsapplicationsintheresearchofdomesticaircompressor,pointsoutitsstatus,andproposessomegoodsolutions.Keywords:virtualprototypetechnology;aircompressor;simulation1,,,[1],:2009-05-10,,14[1]Matlab/Simu2link,,,,,02