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No.4(April.Issue)2003,Volume31,SerialNo.316

AdvanceinCrushingandGrindingTechnology…………………………MuFusheng(6-9)Thepapersummarizedtheadvanceofcrushingandgrindingtechnologyinrecentyearsinourcountry,analysesthedifferentlevelofadvancedtechnologyaboutourcountryandforeigncoun2tries,putsforwardthedevelopmenttrendofthecrushingandgrindingequipmentinourcoun2try.[Descriptors]CrushingequipmentGrindingequipmentAdvance

SelectionofDriveSystemofMill………………………………………ShiYanping(9-10)Theprinciplesandperformancesofcurrentsomekindsofdrivesysteminmillathomeandabroadareexpounded,whichprovidesthereferencefordesigninganewdrivesystemofmill.

[Descriptors]MillDectromotorDrivesystem

VariantAnalysisandDesignonMill……………………………DaiQinghuietal.(11-13)AnalysisonMathematicalModelofGrainSizeDistributionofConeCracher…………………………………………………………………………………LinDongetal.(13-14)ModernCastingTechnologyofCompoundHammer…………………ChaiZengtian(15-16)Thepapersummarizesthetechnologicalapproachofcastingcompoundhammerofdomesticcrusherinrecentyears,pointsoutthematerial,heat-treatmenttechnology,structuralperfor2manceofhammerhandleandhammerendofcast-ininsertcompoundhammeranddoublemet2alcompoundhammer.[Descriptors]HammerCompoundWearBriefMethodofCalculatingofcrusher………………etal.(16-17)Bymeansof,studiedthetotalexternalmoment,thecalculationformulaofinertiamomentofmov2ConecrusherMovingconeInertiamoment

onNewTheoreticalModelofRotatingSpeedofBall-grindingMill……………………………………………………………………………ZhaoMaiqunetal.(17-20)Baseontheexperimentalresultoftherelationbetweenrotatingspeedandballsmovementindifferenttypeball-grindingmill,theappliedlimitationoftheclassicalrotatingspeedformulaispointedout.Accordingtotherealmovementofballsinthemillbarrel,itstheoreticalmodelisestablished,withwhichcriticalrotatingspeedandworkrotatingspeedformulasarederived.Theresultscalculatedwiththenewformulaisaccordingwiththeexperimentalresultsandliter2aturedate.Itisn’tdifficulttodeterminetheparameters,sothatthenewformulascanbedi2rectlyusedinproduction,whichwillbringgreatbenefit.[Descriptors]Ball-grindingmillRo2tatingspeedModel

VibratingImpactFineCrushforHardMatter…………………WangZhaoetal.(20-22)Vibratingimpact’senergyutilizationefficiencyishigher,whenaccelerationgravityofvibratingimpactmeet10g～15g,inaddition,todouniformaccelerationmotionin15m/s2.Supergravi2tyfieldinthecrushingprocessisformed,whichcangreatlyreducegrainsizeofthemattercrushed.Theappliedpracticeindicatesthatthehardmattersuchassteelslag,oreslag,coalgangueironore,aluminumoxide,copperore,clinkeretc.canbecrushedbythevibratingim2pactfinecrusher.Thegrainsizeofthemattercrushedisbelowl～3mm.Thefinepowderofend-productwhosegrainsizeisbelow0.08mmmakeup25percentofthetotaloutput.Itcanteaspre-finecrushbeforegrind.Savingenergyonopencurrentgrindingsystemofball-grindingmillcomeupto30percentorso.[Descriptors]VibratingimpactAccelerationofgrav2ityPre-finegrindtechnologyGrainsizeoffinecrush

On-lineDetectionandControlforBall-grindingSystem………WangTaitong(22-24)Thepaperdiscussesthecharacteristicofball-grindingsystem,detectingelementsandcontrolform,accordingtotheworkingpracticecombiningwiththerunningconditionsofdomesticball-grindingsystem.[Descriptors]Ball-grindingOn-linedetection

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  本文關(guān)鍵詞：現(xiàn)代復(fù)合錘頭鑄造技術(shù)，由筆耕文化傳播整理發(fā)布。