电泳技术

 电泳槽阳极系统的设计中英对照版Anodes           阳极Acathode-to-anoderationotgreaterthat4:1isrecommendedwiththeimmersedanodeadjacenttothevehicleconsideredastheanodesurfacewhenflatplateorsemi-circularanodesareused.Thisratioiscalculatedwiththefollowingformula:AnodeArea=(Vehicles/Minutex2MinutesxSurfaceArea/unit)/

 电泳槽液冷却系统设计中英对照版PaintCooling           槽液冷却Allmodernelectrocoatformulationsoperateathighertemperaturescomparedwiththeoperatingtemperaturesoftheoriginalcathodicproducts.Futuredevelopmentsareexpectedtofollowthistrendandshould,thus,permitareductioninthecoolingloaddesignforelectrocoatsystems.当今所有电泳漆组成的，操

Filtration          过滤Toremoveparticulatedirt,100%ofallcirculatedpaintshouldbefilteredthroughamaximum25micron(nominalrating)feltglazedbagorcartridgefilter.Thefiltermediamustbemadeofasynthetic,non-water,solublematerial,suchaspolypropyleneoracrylicfiber. Mono-filamentfilterbagsshouldnotbeused.为了

 GasketMaterials          垫圈材料Thebestgasketmaterialsarebutylrubber,VytonandTeflon.Materialsthatworkwellincludenaturalrubber,EPT,Hycar-RS24,andEPDM.NeopreneandBunaSshouldnotbeused.最好的垫圈材料时异丁橡胶和聚四氟乙烯。其它材料如天然橡胶，乙烯再烯三元共聚物，合成橡胶及三元乙丙橡胶亦可。但氯丁橡胶和丁苯橡胶不能使用。

Valves          阀Eccentricplug,ball,andbutterflyvalvesareallusedinelectrocoatsystems.Materialsofconstructionandconfigurationareimportantconsiderationsforbestservicelife.在电泳系统中，偏心阀，球阀及蝶阀都有使用，其材料及结构对延长使用寿命很重要。Thewafersandshaftsofbutterflyvalvesshouldbefabricatedonlyof316stainlesssteel.Somecastirons,

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

 Pumps         泵Endsuctioncentrifugalpumps,bothhorizontalandvertical,arecommonlyusedinelectrocoatsystems.Thechoiceofpumpsshouldbedeterminedbyeconomics,designconstraints,ordesignerpreference.在电泳系统中，一般使用卧式及立式端吸式离心泵，泵的选用取决于经济条件，设计的限制或设计师的偏好。Verticalturbinepumps(equivalenttoProcessSystemsThrustHead)havepr

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

SurfaceFlow表面液流Surfacepaintmovementshouldbeatarateof6-12inchespersecondandalwaysfasterthanmovementofthecarbodythroughthebath.表面液流运动速度应为12-18英吋/秒（30-60英尺/分），且总是要比通过槽中的车身运动速度快。

 槽液循环Thepaintcirculationsystemperformsthreeimportantfunctions:槽液循环系统由三个重要的功能：Itkeepsthepaintuniformlymixedandpreventssettlingofthepigmentinthetankoronhorizontalvehiclesurfaces.保持涂料均匀混合，防止颜料在槽中或在被涂物水平面上沉淀。Itprovidesfiltrationtoremoveparticulatedirt.进行过滤以除去颗粒状脏物。Itprovidespaintcoolingbyci