International-国际油漆培训-喷砂前钢结构处理

喷砂前钢结构处理PiCiSteelWorkBeforeBlastingProtectiveCoatingsCopyRight©AkzoNobelProtectiveCoatingsShanghaiOffice阿克苏诺贝尔工业漆（苏州）有限公司上海办事处砂轮机DiscGrinder•用于锐边，焊缝等打磨；•这里有两种类型的砂轮：右边:用于较重较粗的打磨，比如焊珠等左边：用于光顺的打磨，除去氧化皮，涂料和锈皮，涂料和锈焊珠残留WeldingBeadsRemaining•照片显示了支撑去除后留下的焊疤焊珠，或相似的现象，它们以前是焊在钢结构上面的。•在喷砂前，必须先行对此进行打磨光顺StitSpant-sveistapper0598-08焊珠残留•照片显示了支撑去除后留下的焊疤焊珠或相似的现象它焊疤焊珠，或相似的现象，它们以前是焊在钢结构上面的。•在喷砂前，必须先行对此进行打磨光顺焊珠的打磨DiscGrindingofWeldBeads•使用砂轮片对焊珠、锐边等进行打磨行打磨•Grindingoffweldbeads,sharpedgesetc.bymeansofadiscgygrinder.某些砂轮能够减少火花•某些砂轮能够减少火花•Othertypesofdiscsareavailable.Someofthemwillreducetheamountofsparks.打磨完后的钢板板表面SteelSubstrateafterDiscGrinding•打磨完后的钢板表面已经除去焊珠显得非常光顺焊珠，显得非常光顺•GrindedsurfaceGrindedsurface•Weldbeadsetchasbeenremovedtoformasmoothfsurface装配前的钢板SteelPlatePriortoAssemblySteelPlatePriortoAssembly•切割车间内的钢板，•在这个阶段，是对锐边、人孔和切口进行打磨的最好时机•此时有利于工作的进行•可以很好的照明条件•Theplateisincutshop•Theplateisincutshop•Atthisstageitisbeneficialtothinkaboutgrindingofsharpedges,manholesnotchesetcmanholes,notchesetc•Easytoaccess•Goodlightingconditions表面处理前的构件ConstructionPriortoPre-treatment•这是一个舱内构件•存在着锐边和粗糙的焊缝•在表面处理前，这些必须进行打磨打磨•Constructionsinsideatank•Sharpedgesandroughweldsetc.•Mustbegrindedbeforesurface•MustbegrindedbeforesurfacepreparationDiscGrindingofaConstruction•锐边的打磨•GrindingofsharpedgesofasupportsupportRoundedEdge•锐边只有打磨圆滑后•才能保证边缘有足够的漆膜厚度•Edgehasbeenroundedg•WillensureasufficientpaintfilmevenattheedgeSharpEdgeandWeldFlux•Constructionwithsharpedge,ldfldldbdweldfluxandweldbeads.(Weldbeadsduetolightningoftheweldsticks)•Pre-blastingpreparationtobecarriedout:Roundsharpedge-Roundsharpedge-RemoveweldfluxandsmokewithwaterGidifldbd-GrindingofweldbeadWeldingSmokeisWaterSoluble•WeldingsmokeiswaterlbldlbAhdsolubleandcanonlyberemovedbywater•SolventswillnotremoveWeldingsmokeAreawashedwithwatertheweldingsmokecompletely•Ifnotremovedosmotic•Ifnotremoved,osmoticblisteringmayoccur.打磨过的边缘和焊缝GrindedEdgeandWeld•预喷砂后的钢结构•Constructionafterpre-blastingpreparationSharpedgehasbeenrounded-锐边已经被磨圆Weldfluxandsmokehasbeenremoved焊渣和焊烟已经被清除喷砂前的切口NotchPriortoPre-blastingPreparationgp•切口必须进行打磨•焊烟要清除•锐边要进行倒圆处理•Constructionwithnotchmustbegrinded•Weldingsmokehastoberemoved•Sharpedgesmustberounded•Sharpedgesmustberounded切口处旋转磨头打磨•切口处使用旋转磨头打磨•GrindingofnotchwithPowertool:RotatingfilePowertool:Rotatingfile打磨后的切口NotchafterGrinding•切口处经很好的打磨•使用了动力工具，旋转磨头•Constructionwithwellgrinded•Constructionwithwellgrindednotch•Powertool,rotatingfile,hasbeenused打磨圆顺的边角横截面CrossSectionofWellRoundedEdge•Crosssectionofpaintedsteeldedge•Wellroundededge•Paintappliedbyspray涂料PaintPaintappliedbyspray•Formseventhicknessaroundtheedge•涂漆边缘的横截面•边角经过很好的打磨•边角经过很好的打磨•喷涂后漆膜成形均匀良好钢板Steel锐边的横截面CrossSectionofSharpEdge•涂漆后锐边的横截面•喷漆后边角漆膜成形较差•Crosssectionofpaintedsteel•Crosssectionofpaintedsteel•Sharpedge•Paintappliedwithspraypppy•FormsinferiorcoatingthicknessaroundtheedgeSteelSteel设备对钢板表面造成的油污EquipmentContaminatingtheSurface•打磨机带来的油污–润滑油的溢出Vinkelsliper-olje润滑油的溢出–工具贮存在有油的地方–没有油封（压缩空气中带油）•油污在表面处理前必须先行去除pj0589-13油污在表面处理前必须先行去除•Oilcontaminationfromgrinder•Reasonsmaybe:4226-79Reasonsmaybe:–Oilleakingoutofequipment–Equipmenthasbeenstoredwithoil–Lackofoiltrap.(Airfromcompressorp(pcontainsoil)•Mustberemovedpriortosurfacepreparation