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1、塑膠電鍍介紹 Plating on Plastics,塑膠電鍍介紹 Plating on Plastics,塑膠電鍍原理及注意事項Principles of Plating on Plastic,第一站 素材選擇 ABS塑料案例 (Step 1:Selecting Material ABS Plastic Case),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 Selects the ABS plastics showing on the right which the butadiene is 15%-16%.Its adhesion is best.,2.采用
2、70%95%PC+ABS材料要請供應商提供防火材料%、PC%、等相關資料 Applier should offer fireproof material, PC%,etc,and references before selecting 70%-95%PC+ABS.,3.塑膠電鍍原料應完全乾燥(含水率0.1%以下) Materials of plating on plastic should be dried totally.,4.塑膠電鍍原料盡量避免染色Materials of plating on plastic must prevent dyeing.,5.塑膠電鍍原料UL認證 Mater
3、ials of plating on plastic should be attested by UL.,0.5,1.5,2.0,2.5,3.0,3.5,4.0,45,1.0,14,19,15,16,17,18,密著強度 Kgf/cm,丁二烯 t %,各材質丁二烯之含量,塑膠電鍍介紹 Plating on Plastics,塑膠電鍍原理及注意事項,第二站 模具設計 Step2:Mould Design,1.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) Remains points for electroplating rack in mould of plating on p
4、lastic .,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Trend of moulds design: Moulds should of be resistant to high temperature and not easily open to create crude outline, the ejection point should not be too small to prevent entering water and breaking. Prev
5、ents discharge of tip. Reminds the ventilator. Pays attention to that thickness of tip will influence the exterior and the combination line created in the ejection hole.,5.模具需預留電鍍後膜厚及組裝間隙 Remain the thickness of membrane which formed after electroplating.,3.塑膠電鍍模具成型盡量避免尖端設計，盡可能改為R角 Adopts round corn
6、er instead of tip corner in mould design.,4.模具孔洞盡量設計導通，預防殘留藥水不易清洗 Designs passage in the hole to clean the remnants.,塑膠電鍍介紹 Plating on Plastics,塑膠電鍍介紹 Plating on Plastics,塑膠電鍍原理及注意事項,第三站 成型射出 Formation and Ejection,5.尺寸確認：依廠商訂定長寬尺寸、範圍Affirming the size:decides the size and range of lenth and width a
7、ccording to the requirement of the firm.,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The ejection parameter such as plastic Tm and mould tempreture should rise as high as possidble and the ejection stress and speed should be reduced to lessen the stress.,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
8、、及異色點(浮出表面上)等等Affirming the surface:There must be no combination line ,scratch,etc.,4.成型品包裝：用Tray(托盤)+紙箱，以防碰刮傷Packing:adopt tray and paper case to prevent being scratched.,1.脫模劑最好能不用，要用務必使用含氟水性脫模劑Avoid using the mould releases,if it is essential to use one,the Fluorine-type may be used springly.,塑膠電
9、鍍介紹 Plating on Plastics,塑膠電鍍原理及注意事項,模溫與密著力關系 relation between tempreture of mould and adhesion,樹脂溶溫度與密著力關系 relation between plastic melting temperature and adhesion,射速與密著強度關系 relation between speed of ejection and adhesion,密著力(kgf/cm)Adhesion,密著力(kgf/cm)Adhesion,密著力(kgf/cm)Adhesion,模溫 (C)tempreture
10、of mould,溶融溫度 (C)tempreture of plastic melting,射出速度(mm/sec)speed of ejection,0,1,3,4,2,0,1,3,4,2,0,1,3,4,2,50,60,70,80,210,220,230,240,250,200,0,0,0,10,30,50,70,塑膠電鍍介紹 Plating on Plastics,第四站 防鍍方式 Methods of Plating-proof,塑膠電鍍原理及注意事項,1.與機構R&D、RF、EMI、ESD、電子等人員討論絕緣區位置、熱溶點位置、卡勾防鍍、耳機孔迴朔、EMI歐姆值 Discusses
11、 position of insulation area and melting point ,plating-proof of hooks in rack ,EMI ohm.,2.防鍍方式：噴塗、貼膠、蝕刻、照影 、印刷 (依需求而決定) Method of Plating-proof :spraying paint, etching, printing ,etc. (decided by requirements),塑膠電鍍介紹Plating on Plastics,硬度,耐溶劑,抗紫外線,表面細膩,邊緣覆蓋,作業性,膜厚均勻,耐磨性R.C.A,價格,技術性,灰塵毛屑附著,液體垂涎,電子功
12、能EMI ESD,量產性良率,金屬感,電器電鍍,9H以上,優良,優良,優良,優良,複雜,優良,優良通過,普通,高,不會,不會,優良,普通,優良,真空濺鍍+UV烤漆,3H,優良,優良,普通,普通,普通,普通,通過,普通,普通,會,會,需二次加工,優良,普通,彩色電鍍,5H,優良,優良,優良,優良,複雜,優良,優良通過,貴,高,不會,不會,優良,普通,優良,I.M.D,4H,優良,通過,優良,普通,普通,普通,通過,普通,普通,會,會,需二次加工,優良,普通,PU烤漆,2H,NG,通過,普通,普通,普通,普通,NG,普通,普通,會,會,需二次加工,優良,普通,UV烤漆,3H,優良,優良,普通,普通
13、,普通,普通,通過,普通,普通,會,會,需二次加工,優良,普通,PVD TiN ZrN,9H以上,優良,優良,優良,優良,複雜,優良,優良通過,最貴,高,不會,不會,優良,普通,優良,水轉印,2H,NG,NG,普通,普通,普通,普通,NG,普通,普通,會,會,需二次加工,優良,普通,方法,項目,工業塑膠表面處理比較表,塑膠電鍍介紹Plating on Plastics,Hardness,Resistance to solvent,ANTI-UV,Fineness of surface,Verge coverage,operation,Evenness of membrane,R.C.A,pri
14、ce,Technique norm,Adhesion of dust,Dropping of liquid,Electric power function EMI ESD,quality of batch production,Sense about mental,Electrical Appliance plating,9H,good,good,good,good,complex,good,Pass successfully,average,HIGH,NO,YES,good,average,good,Spraying paint in vacuum+UV paint,3H,good,good
15、,average,good,average,average,p,average,average,Y,Y,Secondary process is necessary,good,average,Color plating,5H,good,good,good,good,complex,good,Pass successfully,expensive,HIGH,N,NO,good,good,good,I.M.D,4H,good,pass,good,good,average,average,pass,average,average,Y,Y,Secondary process is necessary,
16、good,average,PU paint,2H,NG,pass,average,good,average,average,NG,average,average,Y,Y,Secondary process is necessary,good,average,UV paint,3H,good,pass,average,average,average,average,pass,average,average,Y,Y,Secondary process is necessary,good,average,PVD TiN ZrN,9H,good,pass,good,good,complex,優良,Pass successfully,extremely expensive,high,NO,N,good,優良,Print in water,2H,NG,NG,average,average,average,average,NG,average,high,Y,N,secondary process
