玻璃钢产品的生产工艺简介.ppt

thermosetfrpprocessing玻璃钢产品的生产工艺简介 nov 17 2010atncmofchina variations 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 handlay up hlu 手糊工艺 definition 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 handlayup features手糊工艺的特点 largeparts 大尺寸部件structuralparts 结构件lowtomediumvolumes 中低产量订单prototypingorproduction 原型翻制 thehluprocess手糊过程 moldpreparation 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 thehluprocess materialpreparation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 materialpreparation thehluprocess gelcoat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 gelcoatapplication thehluprocess laminating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 thehluprocess laminating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 laminating thehluprocess finishing结束afterconsolidationiscomplete excessmaterialcanbetrimmedoffandthepartisallowedtocure generallyatambienttemperature 多余的材料可以切掉 在室温下固化thepartcanthenberemovedusingwedges grapplepointsorevencompressedair 脱模 partremoval ocvproducts应用 csm choppedstrandmat 短切毡m123 m123e 300gsm 380gsm 450gsm 600gsmm137 m137e 300gsm 380gsm 450gsm 600gsm applications应用 marine boats pleasureandcommercial商用和休闲娱乐的船舶 consumergoods trays skis消费品 托盘 滑板 industrial housings shroud enclosures工业 机架 围栏 棚子 corrosion tanks ducts fittings防腐 罐 导管 管件 transportation truck busparts交通运输 卡车 公共汽车部件 compressionmolding模压工艺 na application模压工艺的应用 compressionmolding模压工艺 definition theprocessusingmatchedmetaldiesunderhighpressuretoformthereinforcementandresinintothefinishedpart thisprocessissuitableformolding complex highstrengthglassfiberreinforcedpartsusingpreforms sheetmoldingcompound smc orbulkmoldingcompound bmc 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 smc 和团状模塑料 bmc 等 resin reinforcement whatissmc 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 p204 bmc ocvproducts979 smcautoapplications exteriorclassaparts外饰件 structuralparts结构件 spray up喷射 spray up喷射 definition theprocessofsprayingchoppedfibersandresin 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 advantages优点 simple简单lowmoldcost模具投资低relativelylowstartupcosts启动成本相对低 butnotaslowashandlay up shorttoolingleadtime simpledesignchanges工具准备时间短 设计变动容易virtuallynoproductsizerestrictions无产品尺寸限制colorandsurfaceoptions可选不同颜色和表面bettersuitedtocomplexshapes适用于复杂形状部件 disadvantages缺点 laborintensive butnotaslaborintensiveashandlay up 耗费人工onlyonefinishedsurface只有一个光滑表面qualityismoreoperatordependent质量依赖于人工highervolatileemissions挥发较大higherinvestmentthanhandlay up投资高于手糊somematerialwaste minimisedbycontrolledsprayingtechniques物料浪费 可通过控制喷射工艺来减轻浪费 spray upsteps喷射步骤 1 preparemoldbyapplyingwaxormoldrelease模具准备 上脱模剂 spray upsteps 2 applygelcoat上胶衣 spray upsteps 3 sprayonglass resincombination喷涂树脂纤维混合物 spray upsteps 4 rolloutglass resinto 辊压consolidatelayers加固squeezeoutair消泡conformglassaroundradii 更好地贴模 spray upsteps 5 trimorgrindexcesslaminate修边 spray upsteps 6 afterlaminatecures removalfrommoldandinspection 固化后脱模并检查 typicalmarkets主要应用 marine船舶sanitaryware卫生设施spas hottubs浴室swimmingpools游泳池undergroundutilityboxes地埋电线盒 typicalmarkets pickupcabsandrunningboard校车 踏脚板utilitytruckenclosures公用车车身imitationrocks仿石材heavytruckbonnets airdeflectors fenders cabenclosures重卡的一些部件ocvproducts p209 p243 filamentwinding缠绕 filamentwinding缠绕 definitionofprocess theprocessofhelically spring like wrappingreinforcementsandresinaroundapolarmandrel 将树脂和增强材料成螺旋形地绕在芯模上成型 filamentwindingapplication filamentwindingkeytechnicalpoints缠绕的主要技术要点 laminateproperties burst static andcyclicpressure制品性能 爆破强度 抗静电 循环应力resincompatibility epoxy vinylester polyester树脂 环氧 乙烯基 聚酯树脂excellentpackagerunout labor waste纱团包装易抽出 减少人工和浪费wetout efficiency浸润快visualappearance nostreaksinpart外观 不起白条easeofprocessing lowfuzzathighspeeds工艺性 高速生产毛丝少 ocvproducts se2348 用于环氧高压管道se2350 用于环氧高压管道158b cng气瓶环氧缠绕se1200 风力叶片 适用聚酯树脂 乙烯基树脂体系se1500 风力叶片 适用环氧树脂体系 pultrusion拉挤 pultrusion拉挤 theprocessofcontinuouslypullingaresin impregnatedreinforcementthroughadieintoit sfinalshape 将浸过树脂的增强材料连续地拉过模具并成型的工艺 typicalpultrusionapplication拉挤的主要应用 toolhandles工具手柄ladderrails梯子compositerebarforconcrete复合材料钢筋floorgrati