行業百科

?電泳槽陽極系統的設計中英對照版Anodes???????????陽極Acathode-to-anoderationotgreaterthat4:1isrecommendedwiththeimmersedanodeadjacenttothevehicleconsideredastheanodesurfacewhenflatplateorsemi-circularanodesareused.Thisratioiscalculatedwiththefollowingformula:AnodeArea=(Vehicles/Minutex2MinutesxSurfaceArea/unit)/

?電泳槽液冷卻系統設計中英對照版PaintCooling???????????槽液冷卻Allmodernelectrocoatformulationsoperateathighertemperaturescomparedwiththeoperatingtemperaturesoftheoriginalcathodicproducts.Futuredevelopmentsareexpectedtofollowthistrendandshould,thus,permitareductioninthecoolingloaddesignforelectrocoatsystems.當今所有電泳漆組成的，操

Filtration??????????過濾Toremoveparticulatedirt,100%ofallcirculatedpaintshouldbefilteredthroughamaximum25micron(nominalrating)feltglazedbagorcartridgefilter.Thefiltermediamustbemadeofasynthetic,non-water,solublematerial,suchaspolypropyleneoracrylicfiber.?Mono-filamentfilterbagsshouldnotbeused.為了

?GasketMaterials??????????墊圈材料Thebestgasketmaterialsarebutylrubber,VytonandTeflon.Materialsthatworkwellincludenaturalrubber,EPT,Hycar-RS24,andEPDM.NeopreneandBunaSshouldnotbeused.最好的墊圈材料時異丁橡膠和聚四氟乙烯。其它材料如天然橡膠，乙烯再烯三元共聚物，合成橡膠及三元乙丙橡膠亦可。但氯丁橡膠和丁苯橡膠不能使用。

Valves??????????閥Eccentricplug,ball,andbutterflyvalvesareallusedinelectrocoatsystems.Materialsofconstructionandconfigurationareimportantconsiderationsforbestservicelife.在電泳系統中，偏心閥，球閥及蝶閥都有使用，其材料及結構對延長使用壽命很重要。Thewafersandshaftsofbutterflyvalvesshouldbefabricatedonlyof316stainlesssteel.Somecastirons,

?Piping?管路Pipingexternaltothediptankshouldbemadeofstainlesssteelschedule40?seamless"A",304stainlesssteelforpipesizeslessthan2.5"Dia.?Tengaugeistypicalonpipesizesgreaterthan3"Dia.??Whilemanymildsteelsystemscurrentlyexistandworkwell,stainlesssteelwillgivegreaterflexibilitywithfutureformulation

?Pumps?????????泵Endsuctioncentrifugalpumps,bothhorizontalandvertical,arecommonlyusedinelectrocoatsystems.Thechoiceofpumpsshouldbedeterminedbyeconomics,designconstraints,ordesignerpreference.在電泳系統中，一般使用臥式及立式端吸式離心泵，泵的選用取決于經濟條件，設計的限制或設計師的偏好。Verticalturbinepumps(equivalenttoProcessSystemsThrustHead)havepr

PipeVelocity管路內流速Paintvelocityinpipingshouldbeatarateof8-10feetpersecond.?Thelinearvelocityissomewhatpumpdependent:forexample,12feet/sec.maycausebackpressureonsomepumps.Inthiscase,10feet/sec.maybebest.Throttledvalvescanincreaselocalvelocityresultinginprematureerosionorcorrosionofpipingadjac

SurfaceFlow表面液流Surfacepaintmovementshouldbeatarateof6-12inchespersecondandalwaysfasterthanmovementofthecarbodythroughthebath.表面液流運動速度應為12-18英吋/秒（30-60英尺/分），且總是要比通過槽中的車身運動速度快。

?槽液循環Thepaintcirculationsystemperformsthreeimportantfunctions:槽液循環系統由三個重要的功能：Itkeepsthepaintuniformlymixedandpreventssettlingofthepigmentinthetankoronhorizontalvehiclesurfaces.保持涂料均勻混合，防止顏料在槽中或在被涂物水平面上沉淀。Itprovidesfiltrationtoremoveparticulatedirt.進行過濾以除去顆粒狀臟物。Itprovidespaintcoolingbyci