玻璃钢产品的生产工艺简介.ppt

玻璃钢产品的生产工艺简介.ppt

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-ThermosetFRPProcessing玻璃钢产品的生产工艺简介玻璃钢产品的生产工艺简介Nov.17,2010AtNCMofChina2003OwensCorning/OwensCorningConfidentialInformationVariations:

（不同形式）WetTransfer（pre-wet&carry）DryTransferInputmaterials:

（增强材料）CSM,wovenroving,knits,veils,etc.短切毡，方格布，缝编毡，表面毡等ResinReinforcementsMoldHandLay-Up（HLU）手糊工艺手糊工艺nDefinition-Theprocessofhandplacingsuccessivelayersofreinforcementandresinintoanopenmoldresultinginapartwithonefinishedsurface.Alsoknownascontactmolding.采用手工方式将增强材料和树脂铺在开模中成型，获取一面为光滑表面的部件2003OwensCorning/OwensCorningConfidentialInformationHandLayUpFeatures手糊工艺的特点手糊工艺的特点nLargeparts.大尺寸部件nStructuralparts.结构件nLowtomediumvolumes.中低产量订单nPrototypingorproduction.原型翻制2003OwensCorning/OwensCorningConfidentialInformationTheHLUProcess手糊过程手糊过程nMoldPreparation:

模具准备typicallymadeofacompositewithatoolinggelcoatonthesurface,supportedbywoodormetalframing,oftenportable.通常在木架或金属架上做一个玻璃钢模具，使用模具胶衣，可以是移动式的Cleanandapplymoldrelease（PVA,waxes,films）.清洁模具，上脱模剂2003OwensCorning/OwensCorningConfidentialInformationTheHLUProcessnMaterialPreparation材料准备mostreinforcementsforHLUcomeasrolledgoodswhichcanbeplacedonrackstounrollontocuttingtables.大多用于手糊工艺的增强材料是成卷的，可以在工作台上展开multiplelayerscanbecutatthesametimeusingshears,utilityknifeorpowercutters.使用切割工具，可以一次切多层reinforcementcanthenbestoreduntilneeded,butmuststaycleananddry.增强材料应当储存在干净，干燥的环境2003OwensCorning/OwensCorningConfidentialInformationTheHLUProcessGelCoat上胶衣ifasmooth,highqualitysurfaceisrequired,apigmentedgelcoatisapplied.如需要光滑，优质表面，可以采用彩胶thiscanbeflow-coatedorbrushed,butpreferablysprayedon.可以浇涂，刷涂但最好用喷涂Wherenogelcoatisused,thefirstlayershouldbeveiltoformaresinrichlayerforbetteraesthetics.如不用胶衣，需要采用表面毡，在部件表面形成富树脂层，达到表面效果2003OwensCorning/OwensCorningConfidentialInformationTheHLUProcessnLaminating层压thisistheprocessofcombiningthethermosetresinandreinforcementinthemold.是将树脂和增强材料糊制成型的步骤rollers,brushesorsqueegeesareusedtoconsolidatethelaminate;wettingallfibers,releasingairandconformingtothemold.采用辊子，刷子或橡皮磙来层压成型，使纤维被树脂浸透，与模具贴合并赶出气泡2003OwensCorning/OwensCorningConfidentialInformationTheHLUProcessnLaminating层压additionalreinforcementlayersandresinarenextappliedtobuildupthethickness.可以继续铺层以达到需要的厚度cores,stiffeners,inserts,etc.canbemoldedinatthisstage.植入预埋件thepartshouldbeinspectedbeforeleavingitfordryspots,entrappedairandotherdefects.脱模前，检查部件的缺陷，如未浸透处，气泡等2003OwensCorning/OwensCorningConfidentialInformationTheHLUProcessnFinishing结束afterconsolidationiscomplete,excessmaterialcanbetrimmedoffandthepartisallowedtocure,generallyatambienttemperature.多余的材料可以切掉，在室温下固化Thepartcanthenberemovedusingwedges,grapplepointsorevencompressedair.脱模2003OwensCorning/OwensCorningConfidentialInformationOCVProducts应用应用nCSM（choppedstrandmat）短切毡nM123,M123E:

300gsm,380gsm,450gsm,600gsmnM137,M137E:

300gsm,380gsm,450gsm,600gsm2003OwensCorning/OwensCorningConfidentialInformationApplications应用应用nMarine:

boats!

pleasureandcommercial商用和休闲娱乐的船舶nConsumergoods:

trays,skis消费品：

托盘、滑板nIndustrial:

housings,shroud,enclosures工业：

机架、围栏、棚子nCorrosion:

tanks,ducts,fittings防腐：

罐、导管、管件nTransportation:

truck,busparts交通运输：

卡车，公共汽车部件CompressionMolding模压工艺模压工艺NA2003OwensCorning/OwensCorningConfidentialInformationCompressionMolding模压工艺nDefinitionTheprocessusingmatchedmetaldiesunderhighpressuretoformthereinforcementandresinintothefinishedpart.Thisprocessissuitableformolding,complex,highstrengthglassfiberreinforcedpartsusingpreforms,sheetmoldingcompound（SMC）orbulkmoldingcompound（BMC）.n该工艺采用金属对模，用高压将增强材料和树脂压制成型。

适该工艺采用金属对模，用高压将增强材料和树脂压制成型。

适用于复杂形状，高强度要求的部件；有预成型，片状模塑料用于复杂形状，高强度要求的部件；有预成型，片状模塑料（SMC）和团状模塑料（）和团状模塑料（BMC）等）等ResinReinforcement2003OwensCorning/OwensCorningConfidentialInformationWhatIsSMC?

SMC=SheetMoldingCompound片状模塑料TypeofFRPconsistingof:

包括组分Thermosettingresinsystem树脂Glassfiberreinforcement（roving）玻纤增强Fillers（CalciumCarbonate,AluminumTrihydrate）填料Lowprofileadditives（thermoplastic）低收缩助剂Cureinitiators（peroxidecatalyst）固化引发剂Thickeners（Magnesium/CalciumOxides）增稠剂Moldreleaseagents（CaSt,ZnSt）脱模剂OCVProducts:

P2042003OwensCorning/OwensCorningConfidentialInformationBMCnOCVProductsn9792003OwensCorning/OwensCorningConfidentialInformationSMCAutoApplicationsExteriorClassAparts外饰件外饰件Structuralparts结构件结构件Spray-Up喷射喷射2003OwensCorning/OwensCorningConfidentialInformationSpray-Up喷射nDefinitionTheprocessofsprayingchoppedfibersandresin,inplaceofmattypereinforcements,intoanopenmoldresultinginapartwithonefinishedsurface.将短切的纤维（替代短切毡）和树脂一起喷涂于开模上，形成一面光滑的部件。

2003OwensCorning/OwensCorningConfidentialInformationAdvantages优点nSimple简单nLowmoldcost模具投资低nRelativelylowstartupcosts启动成本相对低（butnotaslowashandlay-up）nShorttoolingle