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04-27

Solar photovoltaic mounting system

Application of solar photovoltaic mounting system
04-27

Types of surface treatment of aluminum profiles

Weprovidecustomerswithavarietyofsurfacetreatmentoptions.Oxidation,electrophoresis,spraying,etc.Oxidationelectrophoresis2.Powdercoating3.Sandblastingandwiredrawingcanbeselectedbeforesurfacetreatment Whenselectingahigh-performancesurfacetreatment,auniqueoxidationtreatmentistheonlymethodinthemetalindustrythatcansatisfyeveryfactorconsidered. Durability:Throughmaintenance,mostoxidizedproductshaveanextremelylongservicelifeandimportanteconomicadvantages. Colorstability:Thesurfaceoxidefilmisresistanttoultravioletraysandwillnotfallofforpeeloff. Easymaintenance:Processing,installation,frequentsurfacedecontaminationandusewillnotformscratches. Beautiful:Oxidationhasalotofglossandcolortochoosefrom,whichcanminimizeoreliminatecolordifference. Cost:Lowersurfacetreatmentcostsandlowermaintenancecostscancreatehugelong-termvalue.
04-27

Types of surface treatment processes for aluminum alloy profiles

1.Thepretreatmentprocessofaluminumalloyanodizingisanimportantlinktodeterminetheappearancequalityoftheproduct.Variousqualityrequirementssuchastheremovalofprofilemechanicalgrain,sanding,matt,andglossaredeterminedbythepretreatmentprocess.Thetraditionalpretreatmentprocessisdividedintothreetypes:   (1)Alkalineetchingprocess:itconsistsofdegreasing→washing→alkalietching→washing→washing→lighting→washing→washing→oxidation,thatis,afterdegreasing,theprofileisprocessedbyalkalineetchinginthealkalineetchingtanktoremovemechanicalgrainandnaturalOxidationfilm,sand,andthenremovetheblackashonthesurfacethroughthelightoutlet,youcanperformanodizing.Thecoreprocessofthisprocessisalkalineetching.Thesurfaceflatnessoftheprofileandthequalityofsandingaredeterminedbythisprocess.Inordertoachievethepurposeoflevelingthemechanicalgrain,itusuallytakes12-15minutesforalkalietching,aluminumconsumptionreaches40-50Kg/T,andalkaliconsumptionreaches50Kg/T.Suchhighaluminumconsumptionnotonlywastesresources,butalsobringsseriousenvironmentalproblems,increasingthecostofwastewatertreatment.Thisprocesshasbeenusedformorethan100years,andmostofthealuminummanufacturersintheworldhavebeenusingituntilnow.Ithasnotbeengraduallyreplacedbyacidetchinguntilnearlytwoyearsago.   (2)Acidetchingprocess:itconsistsofdegreasing→waterwashing→acidetching→waterwashing→waterwashing→alkalineetching→waterwashing→waterwashing→luminescence→waterwashing→waterwashing→oxidation.Afterdegreasing,theprofileisacidetchedfirst,thenalkalietched,andlightisemitted,andthepretreatmentiscompleted.Thecoreprocessofthisprocessisacidetching,andtheremovalofmechanicalgrainsandsandingisdeterminedbyacidetching.Unlikealkalineetching,thebiggestadvantagesofacidetchingareitsstrongabilitytoremovemechanicalgrains,quicksandingandlowaluminumconsumption.Itcanbecompletedin3-5minutes.Thealuminumconsumptionisalmost1/8-1/6ofalkalineetching.Fromtheperspectiveofworkefficiencyandresourceconservation,acidetchingisundoubtedlyamajorprogressinthealkalineetchingprocess.However,theenvironmentalprotectionproblemofacidetchingismoreprominent:theescapeofthetoxicgasHFintheacidtankandthepollutionofthewaterwashingtankFˉ.Fluoridecompoundsaregenerallyhighlytoxicandaremoredifficulttohandle.Inaddition,aftertheacidetchingtreatment,theappearanceoftheprofileisdarkened.Althoughithastocontinuethealkalietchingandlightemission,itcanbebrightened,butitisstillverydark.Boththeprocessandtheglossarelost.solution.   (3)Polishingprocess:itconsistsofdegreasing→washing→polishing→washing→washing.Theprofilesareputintothepolishingtankafterdegreasing.After2-5minutesofpolishing,themirrorsurfacecanbeformed,whichcanbedirectlyoxidizedafterwashing.Thecoreprocessofthisprocessispolishing,andthegrainremovalandmirrorsurfaceareallcompletedinthepolishingtank.Polishinghastheadvantagesoflowaluminumconsumptionandbrightprofiles.However,theescapeofNOxfromthepolishingtankcausesseriousenvironmentalpollutionandphysicalinjurytooperators.Atthesametime,thecostofexpensivechemicalrawmaterialsandotherfactorsalsorestrictthepromotionofthisprocess.Lookingattheabovethreeprocesses,althougheachhasitsowncharacteristics,itsshortcomingsarealsomoreprominent,suchashighconsumptionofalkalietchingaluminum,morealkalislag,andlowefficiency;acidetchingfluoridepollution,darkeningofprofiles;polishingpollution,seriouscost,etc.Theseprocesseseitherpollutetheenvironment,orwastealuminumresources,orreducethesurfacequalityofaluminummaterials,andprocessimprovementsareurgentlyneeded.TheXY-Zlevelingbrightenerintroducedbyourcompanyisabrand-newsurfacetreatmenttechnologycarefullydesignedtomakeupforthedeficienciesoftheabovethreepre-treatmentprocesses.   2.LevelingandbrighteningprocessTheso-calledlevelingandbrighteningprocessisanewsurfacepretreatmentprocessafterpolishing,alkalineetchingandacidetching.Itisaprofoundtransformationandtransformationofthealkalineetchingandacidetchingprocesses.IthasbothIthastheadvantagesoflowconsumptionofacidetchedaluminum,strongabilitytoremovemechanicalgrains,andfastsanding,andithasthebrightnessofpolishing,butithascompletelyeliminatedthedisadvantagesofpolishingNOxpollution,acidetchingfluoridepollution,alkalietchingalkaliresiduepollution,etc.Promisingandrevolutionarynewtechnology.   (1)ProcessflowThelevelingandbrighteningprocessismuchsimplerthanacidetchingandalkalineetching,andevensimplerthanthepolishingprocess.Itismainlycomposedofthefollowingprocedures:levelingandbrightening→waterwashing→waterwashing→oxidation.Thecoreofthisprocessislevelingandbrightening.Levelingofmechanicalgrains,sanding,andbrighteningarealldonebylevelingandbrighteningtanks.Afterlevelingandbrightening,theycanbeoxidized,savingoil,alkalicorrosion,neutralizationandotherprocesses.   (2)ProfileappearanceTheprofileprocessedbythelevelingandbrighttechnologyhasthreemajorcharacteristics:1.Leveling:Undertheactionofthelevelingagent,themechanicallinescanbecompletelyremovedwithin1-5minutes,andthesurfaceisparticularlyflat.2.Finesand:Undertheactionofsandingagent,auniformlayeroffinesandisformedonthesurfaceoftheprofile,whichisdifficulttoach
04-27

Symbols and meanings of mechanics, thermal and physical properties of aluminum and aluminum alloys

Symbolsandmeaningsofmechanics,thermalandphysicalpropertiesofaluminumandaluminumalloys
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Time of issue:2020-04-09 00:00:00

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