导光板热压加工技术.docx

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1、(RogerHsu)導導光光板板2010轉熱熱印壓壓技-03術加加-24部工工技技術術(RogerHsu)導導光光板板2010轉熱熱印壓壓技-03術加加-24部工工技技術術許建宏HighlyConfidentialOutlineHighlyConfidentialHighlyConfidentialIntroductionHotEmbossingProcessExample:MattestamperPMMAV-corestamperBothsidesoftheworkpiececanbemoldedwithstructure.HighlyConfi

2、dentialFlowchart板板材材切切割割保保護護膜膜移移除除壓壓Highly離離加加縮縮冷冷成成模模熱熱卻卻形形ConfidentialPolymersThermosetsThermoplasticsElastomersThermosetsThermoplasticsElastomersamorphousAmorphousAmorphousCrystallineCrystallineThermoplastics(Semi)Crystallinepolymers(e.g.PE,PP,nylon,etc.Amorphouspolymers(e.

3、g.PS,PMMA,PC,ABS,etc.crystalline端端面面機機械械拋拋光光雷雷刀刀沖沖射射具具壓壓加加工工模模仁仁雙雙//治治面面具具貼貼保保準準護護備備膜膜HotHotEmbossingHighlyEmbossingConfidentialHighlyConfidentialGlassTransitionTemperature()Tg:glassyamorphouspolymersbecomeflexibleasaresultoftheonsetofsegmentalmotion.MeltingPoint()Tm:Temperatur

4、eatwhichtotalchainmobilityoccurs(Tm>Tg)AtTg,theamorphousregionchangesfromahardandglass-likestatetoarubberystate.•Theamorphousregions:respondtoTg.•Thecrystallineregions:usuallyintheformofspherulitesmeltataspecifictemperature,themeltingpoint(Tm)高分子材料特性HighlyConfidentialTg熔化溫度TfTg

5、玻璃轉換溫度Tf•TgTgforcommonamorphouspolymersPS100CPC150CPMMA105CRigidPVC83CTgHighlyConfidentialPVTCharacteristicsforAmorphousResinsIncreasingPressureAP-Pressure熱機械曲線SpecificVolumeVV-SpecificVolumeBT-TemperatureTemperatureA:PolymermeltintothemoldhightempandhighpressureB:Partsolidifie

6、satlowertempandlowerpressurespecificvolumedecreasesV:volumeshrinkage°°°HighlyConfidentialHotEmbossingMachineCategoriesHighlyConfidentialHETechnologyHotEmbossingTechnology/10HighlyConfidentialHETechnologyHeatConductionStrengthTemperatureDurabilityHEMoldAccuracyStamperVacuumHighl

7、yConfidential(,,)HighlyConfidential(,,)板材品質厚度均勻性異物刮傷要求高加熱及冷卻之效率和耗能問題需要前處理及後處理,程序高壓力下有高轉寫率但模具模仁壽命縮短良率問題:Cycletimeofheatingandcoolingplus產material能handling熱壓製程之顧慮點HighlyConfidentialOutlineHighlyConfidential/目的•建評暸立估解產熱品壓之製開發程展全及打性貌樣能力HighlyConfidential•Optimizedparametersinmanufa

8、cturingprocess關鍵技術•FactorsaffectyieldYieldrate•Cycleti