Technology determines the lead,Service, details determine the brand!
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Address: No.2001, Dongsheng Road, Anzhen, Xishan Economic Development Zone, Wuxi
Marketing:0510-88530055
Service:0510-88786666
E-mail:cyc@tlon.com.cn tlon@tlon.com.cn
© 2021 TLON Technical Furnaces (Wuxi) Co., Ltd. 苏ICP备10069595号
Technology determines the lead,Service, details determine the brand!
ABOUT TION
LON TECHNCAL FUrNACES (WUXI) CO,LTD. founded in 2002 is a professional R&D manufacturing high-quality controed atmosphere heat treatment equipment compsny looated in Wux Eadern Park of Eoonomio Development Zone COnslrucUOn area of 32000m2.
Profile
PRODUCT CENTER
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Large Controlled Atmosphere Pit Carburizing Furnace Production LineMORE +
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Controlling Atmosphere Chamber Furnace (Including The Straight Through Chamber Furnace Lines / Slow Cooling In The Front Room Chamber Furnace Lines )MORE +
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RMN controlled atmosphere chamber nitriding furnace production lineMORE +
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RBN Series Controlled Atmosphere Bell-type nitriding furnace production lineMORE +
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RFN series of controlled atmosphere and carburizing furnace production lineMORE +
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RRD controlled atmosphere roller hearth heat treatment production lineMORE +
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TPLG Controlled Atmosphere (single/multi-trays) Push-tray Heat Treatment Production LineMORE +
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RZL Controlled Atmosphere Rotary Hearth Type Automatic Production LineMORE +
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RM9D Heat Treatment Production Line For Vertical Controlled Atmosphere Chamber Furnace With BottomMORE +
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RX large box-type transfer of heat treatment production lineMORE +
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RT trolley type annealing heat quenching and tempering production lineMORE +
NEWS CENTER
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Heat treatment wi a hand, heat treatment workshop
Theseprovisionsshallapplytoguidetheheattreatmentworkshoponcarbonstructuralsteel,alloysteel,carbontoolsteelandalloytoolsteelheattreatmentcommonly.1.HeattreatmentfurnaceHeattreatmentfurnaceisakeylinktoensurethequalityofheattreatment.Withimproperfurnacewillmakeabigdifferencetothequalityofheattreatment,mustpayspecialattentionto.Usuallyshouldconsiderthefollowingfactors:1)firstofalltoconsiderthecategoryoftheheattreatment.Accordingtothechemicalcompositionofworkpiecechooseannealing,normalizing,quenching,tempering,matchwiththesameheattreatmentfurnace.Notsimilarwithheattreatmentfurnace,thenwemustanalysisthewholeprocessofthewholeheattreatmentofallmaterials,reasonableorganizationitssequenceofoperation,toseeifitcanandfurnace.2)withthefurnace,butalsowiththefurnaceheattreatmentofmaterials,quenching,normalizingthehighestmaximumheatingtemperaturedifferenceshouldbelessthan20℃,thetemperingtemperatureshallbewithinthescopeoftheunified,theheatingrateshouldchoosetheslowestone.Alsocanusethemethodofpartialoutcoordination.3)withthefurnace,alsowanttoconsiderheattreatmentofworkpiecesizedifferenceisnottoolarge,theaveragemaximumcrosssectionandtheratiooftheminimumcrosssectionshouldbecontrolledwithin2~2.5.Canalsotakethesizeofabatchoutcoordination.Thesameworkpiecesizeistoobig,shouldconsiderpackagecoverinsulatinglayertoprotectit.4)andthetype,andthefurnacesizeandstriveforabatchofproductstogetherwiththefurnaceheattreatment.Theseparatedsampleshouldalsobeinthesamefurnaceheattreatment.Furnacecharging,thesampleshouldbeplacedintherightplaceinthefurnace.2.Thepreparingworkbeforeheattreatmentfurnacecharging1)tocheckwhethertheequipmentisingoodconditionbeforeloadingfurnace,furnacebodyisdamaged.Allactivitiesofthecomponents(ovendoor,car,etc.)ifthemovementisnormal.Electriccircuitworkingconditionareingoodcondition.Carsurfaceisclean.2)checkwhetherthecoolingmediumisspare,circulatorysystemworkisnormal.3)checkthethermocoupletemperaturemeasurementrecordinginstrument,controlsystemsareingoodcondition.4)checktheauxiliaryequipmentiscomplete.Especiallyliftingequipment,steelwirerope,sling,fixturewhetheradaptation,isdamaged,issafe.5)checktheheattreatmentofworkpiecequality:checkthesteelgrade,sizeofworkpiece.Checkwhetherthereisanydefectonthesurface,cracking,andwillcauseheatcrackingpotentialdefects.Artifacts,withmoldcavitywithandwithoutoil,waterandwasteresidue,considerafterclean,whethertofillwithheat-resistantmaterial.Ifthereareanydefects,bending,shouldbecleaningandstraightening.3.Heattreatmentfurnace1)eachfurnacefurnacechargingamountshallnotexceedthemaximumnumberoffurnacechargingelectricregulation.Allthesizeoftheworkpieceshouldbeadaptedtothesizeoftheelectricfurnacestudio.2)thepositionoftheworkpieceloadingfurnaceshouldbewithinthefurnaceheatingzone.Beforeandaftertheupanddownorso,andkeepacertaindistancewithresistancewire.Shouldbepaddedunderiron,shouldbeseparatedwitha30mm,toensurethecirculationoftheheatflow.3)thepositionoftheworkpieceloadingfurnaceshouldbeaccordingtothedistributionoffurnaceanalysis,foravarietyofbrandandthesizeoftheworkpiecetoadapttoconsideroperationordercanbereleased.4)furnacecharging,theunderlyingblockshouldbeflat,artifactsinthecartobeuniform,frombottomtotoptoarrange,paperbackstableMATS,inordertoavoidfurnacecharging,causetheregionaltemperaturedifference,andpreventthecarmovesside,pourthecrib,impactfurnacewall.5)forultra-thinlongworkpiece,whenassemblingfurnace,allwanttoconsideritsstacklocationinthefurnace,adoptingtechnologymeasures,topreventagainstdeformationheatingandlifting.6)forartifactshavebeenfinishing,furnacechargingprotectionresponsetotheworkpiecesurfaceandtheedgesandcorners,topreventoxidationdecarburizationandbruised.Thepartsoftheworkpieceispronetocracking(concavecavity,thesharpcorners,thread,slots,etc.)applicationoftheinsulationtoprotectit.7)afterthecarintothefurnace,ifthereisheatfurnacedamagetocausemajorgapstobesealed.4.Normalizingheattreatment,quenching,tempering,annealingtemperatureandholdingtimecontrol1)thetemperatureofheattreatment,heatpreservationareimportantbasisforinstrumenttemperature.Intheheattreatmentprocess,mustcheckthetemperatureofthefurnaceandthetemperatureoftheworkpieceandtheinstrumentshows.Ifthereisaproblemtoinformelectriciantocheckrepairinstrumentation.2)heattreatmentindustrytodothreefrequently:regulartemperature,frequentlylookatmaterialtemperature,regularadjustmentcontrol,ensurethateachpartofthefurnacetemperatureuniformity,maintainpositivepressureinthefurnace.3)normalizing,quenching,tempering,annealingtemperatureandfurnaceintegratedandselectedinpracticestrictcontrol,accordingtotherequirementoftheinstructionistoensurethatthefirstconditionofheattreatmentquality.Organizationsbecauseoflowheatingtemperature,phaseshiftwillhappen;Andtheheatingtemperatureistoohigh,canmaketheausteniticgrainsizegrewuptoomuch,causeproblemsforcoolingphasetheorganizationchange.Somustbestrictlyinaccordancewiththerequirementsoftheworkinstruction,donotarbitrarilysethighsetlower.4)normalizing,quenching,tempering,annealing,heatpreservationtimeshouldalsobestrictlycon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What is the difference between heat transfer coefficient and thermal conductivity?
Thecoefficientofheattransferinthepastthatthetotalheattransfercoefficient.Thecurrentnationalstandardspecificationunifiednamefortheheattransfercoefficient.HeattransfercoefficientKvalue,referstothesteadyheattransferconditions,thepalisadestructureonbothsidesoftheairtemperatureof1degrees(K,℃),1hoursby1squaremeterareaofheattransfer,theunitisthewattspersquaremetre,degrees(W/㎡,K,Kherecanbesubstitutedfor℃).Coefficientofthermalconductivityisreferstoundertheconditionofsteadyheattransfer,1mthickmaterial,thesurfacetemperatureonbothsidestoonedegree(K,℃),withinanhour,by1squaremeterareaofheattransfer,theunitforW/m,c(W/mK,hereforKcanbesubstitutedfor℃).Coefficientofthermalconductivityandmaterialcomposition,density,moisturecontent,temperatureandotherfactors.Amorphousstructure,thelowdensitymaterial,smallthermalconductivity.Themoisturecontentofmaterials,thetemperatureislower,smallerthermalconductivity.Thelowcoefficientofthermalconductivityofmaterialsusuallyreferredtoasthermalinsulationmaterial,andthecoefficientofthermalconductivityinthe0.05w/m,thefollowingmaterialiscalledtheefficientthermalinsulationmaterial.
2019-04-30 -
Original high temperature heat treatment crush bamboo sticks a full set of production technology in our country
"Wouldratherfeedwithouttheflesh,cannotjumozhu".AlthoughChinesepeoplehaveacertainculturalcomplexonbamboo,thereisnolackofourlifehasalsobeenbambooproducts,butmostpeoplestilldecayresistanceofbamboomaterialsremainsceptical,letaloneuseoutdoors.NanjingforestryuniversityprofessorLiYanjunwonthesecondprizeofnationalscientificandtechnologicalprogresshasproject"highperformanceofbamboofibercompositematerialsmanufacturingkeytechnologyandapplication"isabreakthroughintheapplicationofoutdoorbamboomaterialrestructuringmanydifficulties,createdanewfieldofbambooprocessingandutilization.InLiYanjunoffice,thereportersawtheproudofhisworks,outdoorbambooreorganizationmaterialseriesproducts,suchasoutdooruseofrecombinantbambooflooring,wallpanel,fence,gardenmaterial,etc.Fromtheappearance,almostdon'tseeanytracesofglue,thesurfacetexturealsolookslikearealwoodfloor,holdingtheweightisheavy,morethanthegeneralrealwoodfloor.So-calledreorganizationofoutdoorbambooflooristousebamboostickstocrushreliefmodification,bydippingadhesiveprocesssuchasagglutinationsuppressionofproducts.Thenewbamboofloornon-toxic,doesnotglue,andalsonoteasydeformation,andsuperinsect-resistanteatbymoth,andotherfunctions.Generalbambooflooringproductsaremostlyusedinindoor,inthesouth,withhighhumidityproductseasytomildewandrot;Inthenorth,itistheway.LiYanjunandhisteamsawrealizationofrecombinantbamboo"victorieswithbamboowood"isanoutdoormaterialsused,canrelievelargediameterimportedhigh-qualitytimber,supplyindustrydevelopmentprospects,asaresult,basedontheresourceutilizationofbambooplywoodindustryislow,lowproductionefficiency,producthomogeneityseriousproblems,suchasprojectteamcooperationwithseveralbambooproductionenterprises,intheprocessofdevelopment,combinedwiththeproductiontechnologyofbamboo"restructuring",threedifferentkindsoftechnicalroute,thebeginningof2007inMay2008completereorganizationofoutdoorbambooLABS."Thefindingsofourresearchanddevelopmentcannotonlystayinthelab,moreneedstobeextendedtotheactualproductionapplications."LiYanjunoutdoorrecombinantbamboomaterialhaveappearedinourside,the2010worldexpo,2014nanjingyouthOlympicGamesareareorganizationofoutdoorbambooflooring,wallpanel,fence,gardenmaterial,etc.Afternearly10yearsofproduction"jointly,LiYanjunandteambrokethroughthebamboo,bamboosticks,hightemperatureheattreatment,fineorganizationefficientrestructuring,thekeytechniquessuchasthecreationofarelief,keyequipment,suchashighheattreatmentandformingdevelopedfourserieshighperformanceofbamboofibercompositematerials,toovercomethedifficultyintheagglutination,bamboobamboogreenyelloweasyrottenbottlenecksrestrictingthedevelopmentofindustrialtechnology,anumberofinnovativeachievements.Wonthedomesticandforeignpatent14pieces,formulatedthe"outdoorrecombinantbamboo"nationalstandards;Establishedtheindustrializationdemonstrationproductionline6,realizethestableproduction.Theprojectimplementation,makeourcountrybecometheworld'sonlyhavemanufacturingoutdoorrestructuringforrawmaterialwithhightemperatureheattreatmentcrushbamboosplitbambooafullsetofproductiontechnologyandproduct.
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Fire suddenly encountered in the process of vacuum heat treatment distortion
Inrecentyears,withtheautopartsheattreatmenttechnologyismoreandmoremature,thegeometryprecisionofworkpieceafterheattreatmentismoreandmoredemanding.Quenchingdeformationofworkpiecegeometryprecisionofdeclineinevitably.Quenchheatingto850~850℃,andhightemperaturetendstoproduceadverseeffect,forexample:producedistortion,etc.Mouldedtypevacuumquenchingalsocalledpressurequenching,istheeffectivemeasuretoreducethequenchingdistortionandwidelyappliedinautomobileindustry.Vacuumquenchingdistortionisthemostcommonproblemsintheprocessofheattreatment,forbatchproductionofbearingsandgears,controlofquenchingdistortionistoimprovetheinnerqualityandtheservicelifeoftheproduct.Formaterialsforcarburizingsteel(suchascarburizingbearingsteelG20CrNi2MoA)orgearwithlowalloysteel(18crmnti,etc.),finishedproductrequirementsmustbecarburizedlayerthickness,goodsurfacetoughnessofhighhardnessofthecorerequirements.Thediequenchingtechnologyistopreventquenchingdistortion,directandeffectivemeasuresforpromotingthevoltagequalificationrate.Againstdistortionofproblemsfacedintheprocessofvacuumquenching,thereisakindofeffectivecontrolofthedistortionofthediequenchingtechnologyandequipment,may,bywayofcontrolforcesize,cycleandadjustthestructureofthequenchingmouldandsize,controltheflowofcoolingfluid,flowpatternandflow,etc.,tocontrolthedistortionprocess,reducethedistortionoftheworkpiece,onthepremiseofmeettherequirementsofquenching,themoldandmachinetoolportfolioasawhole,providesthequenchingprocessofdiequenchingtechnologyandequipment,whileguaranteethehardnessandmetallographicrequirements,maintaintheconsistencyofthequenchingworkpiece,thequenchingqualitycontrolinthebestlevel,andputintoindustrialapplication,thecomprehensivereducethequenchingdistortion.Mouldedvacuumquenchingtechnologyof0cr17ni4cu4nbsteelintheprocessofimplementationinsolidsolutionandsolidsolutionplusagingunderthetwostatesoftwodifferentnitridingprocesstest,thispaperdiscussestheprocesstemperature,ammoniadecompositionrate,theoriginalorganizationlayerdepthofthematerial,theinfluenceofthemicrostructureandpropertiesafternitriding.Theresultsshowedthataftersolidsolutioneffect,0cr17ni4cu4nbsteelnitridingafternitridinglayerdepth,surfacehardnessandthecorehardnessisbasicallythesame,canconsidertousedirectlyaftersolidsolutionnitriding;540℃afternitridingisbetterthan480℃afternitridingperformance.
2019-04-30
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