塑胶电镀工艺的介绍

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1、塑膠電鍍介紹PlatingonPlastics塑膠電鍍介紹PlatingonPlastics塑膠電鍍原理及注意事項PrinciplesofPlatingonPlastic第一站素材選擇ABS塑料案例(Step1:SelectingMaterialABSPlasticCase)1.最好採用電鍍級ABS塑膠如圖所示其丁二烯含量15%~16%密著強度最好SelectstheABSplasticsshowingontherightwhichthebutadieneis15%-16%.Itsadhesionisbest.2.采用70%~95%PC+ABS材料要請供應商

2、提供防火材料%、PC%、等相關資料Appliershouldofferfireproofmaterial,PC%,etc,andreferencesbeforeselecting70%-95%PC+ABS.3.塑膠電鍍原料應完全乾燥(含水率0.1%以下)Materialsofplatingonplasticshouldbedriedtotally.4.塑膠電鍍原料盡量避免染色Materialsofplatingonplasticmustpreventdyeing.5.塑膠電鍍原料UL認證Materialsofplatingonplasticshouldbea

3、ttestedbyUL.0.51.52.02.53.03.54.04..51.0141915161718密著強度Kgf/cm丁二烯　ｗt%各材質丁二烯之含量塑膠電鍍介紹PlatingonPlastics塑膠電鍍原理及注意事項第二站模具設計Step2:MouldDesign1.塑膠電鍍模具必須預留電鍍夾具掛架點(以防產品變形及生產便利性)Remainspointsforelectroplatingrackinmouldofplatingonplastic.2.模具設計趨向：耐高溫不易頂開產生毛邊、射出點不可太細以防入水斷裂脫落、預防尖端放電(加框)、注意離模斜

4、度、預留排氣孔、注意頂針粗細影響外觀及進膠口位置產生之結合線等Trendofmouldsdesign:Mouldsshouldofberesistanttohightemperatureandnoteasilyopentocreatecrudeoutline,theejectionpointshouldnotbetoosmalltoprevententeringwaterandbreaking.Preventsdischargeoftip.Remindstheventilator.Paysattentiontothatthicknessoftipwillin

5、fluencetheexteriorandthecombinationlinecreatedintheejectionhole.5.模具需預留電鍍後膜厚及組裝間隙Remainthethicknessofmembranewhichformedafterelectroplating.3.塑膠電鍍模具成型盡量避免尖端設計，盡可能改為R角Adoptsroundcornerinsteadoftipcornerinmoulddesign.4.模具孔洞盡量設計導通，預防殘留藥水不易清洗Designspassageintheholetocleantheremnants.塑膠

6、電鍍介紹PlatingonPlastics塑膠電鍍介紹PlatingonPlastics塑膠電鍍原理及注意事項第三站成型射出FormationandEjection5.尺寸確認：依廠商訂定長寬尺寸、範圍Affirmingthesize:decidesthesizeandrangeoflenthandwidthaccordingtotherequirementofthefirm.2.射出參數在不頂模、不起毛邊狀況下，盡可能拉高樹脂溶解溫度及模溫溫度，降低射出壓力及射出速度，以減少應力產生TheejectionparametersuchasplasticTman

7、dmouldtempretureshouldriseashighaspossidbleandtheejectionstressandspeedshouldbereducedtolessenthestress.3.成形表面確認：不可有感結合線、刮痕、頂凸、拉模、縮水、起蒼、包風、及異色點(浮出表面上)等等Affirmingthesurface:Theremustbenocombinationline,scratch,etc.4.成型品包裝：用Tray(托盤)+紙箱，以防碰刮傷Packing:adopttrayandpapercasetopreventbeing

8、scratched.1.脫模劑最好能不用，要用務必使