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Review:ThemanufacturingftltiprocessesformetalcontainersDiRdiDiddiDrawingRedrawingDrawingandredrawing://第6课玻璃容器第6课玻璃容器zGlassTypesandGeneralPropertieszBottleManufacturezBottleManufacturezBottleDesignFeatures2PrimitivePackagingPrimitivePackaging-TheearliesthollowglassobjectswerebeingmadeinEgyptinabout1500B.C.core-formedancientEgyptianglasscontainers://一.GlassTypesandGeneralPropertiesyppzDefinitionandcharacters–Itreferstoaninorganicsubstancefusedathightemperaturesandcooledquicklysothatissolidifiesiit||‘t]玻璃质的tlliditi||sə'lɪdɪfaɪ]inavitreous||‘vɪtrɪəs]玻璃质的ornoncrystallinecondition.Themolecularstructureofsolidglassispracticallythesame粘实际地asliquidglass,butthecooledglassissoviscous||‘vɪskəs]粘的thatthemasshasbecametherigid.definiteGlasshasnodistinctmeltingorsolidifyingtemperatures.Thereisgradualsofteningwithheatandgradualsolidifyingwithcoolingcooling.://(quartz)[kwɔrts/kwɔːts]thezAllcommercialglassisbasedonsilica(quartz)[kwɔrts/kwɔːts],theprincipalcomponentofsand.zGlassproductionreliesonmanyformulations.成分配方flSilidfdithbt10%di钠d'səʊdɪəmforexample,Silicasandfusedwithabout10%sodium钠compoundsproducessodiumsilicate.zOthermineralcompoundsmaybeusedtoachieveimprovedproperties:dlitllt着色剂hth硅酸盐||'mɪnərəl]decolorizers–toclear;colorants着色剂–changetheappearance…zOtherglasstypesusedforspecialpackagingpurposes.Leadcompoundsprovideasoftglassthatmaybeusedforupscaleperfumebottles,boron硼compoundsgivelowthermalexpansion,borosilicate硼硅酸盐glasses…….zThblbdifthlithdifftfltizTheproblemscanbecausediftheglasseswithdifferentformulationsmixedwhenrecycling.Forexample,borosilicateglasshasasignificantlyhighermelttemperaturethansoda-limeglass.纳石灰碱石灰钠钙玻璃://纳石灰，碱石灰一.GlassTypesandGeneralPropertiesyppGlasshasmanyadvantagesasapackagingmaterial:Glasshasmanyadvantagesasapackagingmaterial:zinerttomostchemicalszperfectfoodscontainer.biliiblflzImpermeability.It’sverysuitableforlongtermstoragezclarityzItisgenerallyperceivedashavinganupscaleimageɪm‚pɜrmɪə'bɪlətɪ察觉;意识到;感知;理解zRigidity,theshapesandvolumesdonotchangeunderpoorconditionzstableathightemperaturesmakingitsuitableforhot-fillandretortable可蒸煮的products.zDisadvantages:breakability;highweight;highenergycosts.y;gg;ggy://二.BottleManufacture二.BottleManufacture1BlowingtheBottleorJar1.BlowingtheBottleorJarzProcess:blow-and-blow”;press-and-blowGlasscontainersproducedbythetwoprocessesdifferonlyztwomolds:blankmoldformstheinitialshape初型模blowmoldproducethefinalshape成型模inthewaythattheparisonisproduced.型坯blowmoldproducethefinalshape成型模zAblankmoldcomesinanumberofsections:Finish瓶口sectionCavitysection(madeintwohalvestoallowparison(型坯）removal)Aguideorfunnel（漏斗）||‘fʌnl]forinsertingthegob凝块Alfthbi口thbittldithldAsealforthegobopening口oncethegobissettledinthemoldBlowingtubesthroughthegobandneckopenings（孔口）://弹射座椅操作杆有两个基本变形二.BottleManufacture孔口zMoltenglassflowsthroughorificesdependingonthebottlesize.size.zMechanicalshearssnipoffgobsofmoltenglass.Eachktimakesonecontainer.Figure6.1Furnace炉draw-off排出orifice（小孔）andgobshears://（小孔）andgobshearsBottleManufactureii口zFallinggobiscaughtbyspout口anddirectedtoblankmolds.zMass-productionismadeupofseveralindividualsections,eachisanindependentunitholdingasetofbottle-makingmolds.zLargebottlesconsistsofablankmold初型模andablowmold成型模.zHigherproductionusingdoubleorgpgtriplegobsononemachine.twoorthreeblankmoldsandsimilarblowmolds.://二.BottleManufactureotteauactueGlasscontainersproducedbythetwoprocessesdifferonlyintheBlow-and-blowprocess---fornarrow-neckedbottleszBlowandblowprocess:(Figure62):Glasscontainersproducedbythetwoprocessesdifferonlyinthewaythattheparisonisproduced.zBlow-and-blowprocess:(Figure6.2):1.Gobdroppedintotheblankmoldthroughafunnel-shaped漏斗状的guide(985°C)2parisonbottomerreplacedguide;airblownintosettle(扑气）moldto2.parisonbottomerreplacedguide;airblownintosettle(扑气）moldtoforcethefinishsection.Atthispointthebottlefinishiscomplete.://二.BottleManufacture3Solidbottomplatereplacedparisonbottomer;airisforcedtoexpand3.Solidbottomplatereplacedparisonbottomer;airisforcedtoexpandtheglassupwardandformtheparison.4.Parisonremovedfromtheblankmold,rotatedtoaright-side-uporientationforplacementintotheblowmold.p5.Airforcestheglasstoconformtotheshapeoftheblowmold.Thebottleiscooledtostandwithoutbecomingdistortedandisthenplacedoncon‘veyortotheannealingoven.://二.BottleManufacturepress-and-blowprocess压吹法---forwide-mouthedjarszGobdeliveryandset