雙射射出成型解決肉厚不均產品之應用研究

肉厚不均之產品往往容易出現翹曲、收縮不均等問題。本研究將肉厚差異大之手機展示架支架嘗試透過雙色射出成型射出，並使用模流分析軟體Moldex 3D與田口式實驗設計法找出手機展示架支架之翹曲變形量較低之成型條件。　　研究最初依據文獻探討選定八個控制因子，包含模具溫度、塑料溫度、射出壓力、射出時間、保壓壓力、保壓時間、冷卻時間和冷卻溫度。後來藉由模流分析發現塑料溫度、保壓壓力、冷卻時間、冷卻溫度這四項控制因子對本研究產品特性值有較大的影響，便以這四項控制因子做進一步的模流分析。經模流分析最佳化後翹曲變形量和最初設定之成型條件相比有明顯改善。

關鍵字

雙色射出；模流分析；田口式實驗設計法

並列摘要

The product’s uneven thickness is often prone to warpage, uneven shrinkage. The examination solved the uneven thickness of steady of cellphone display stand by bi-injection molding. Mouldflow software Moldex 3D and Taguchi method was used to find the molding condition which has lower warpage. At first, the examination chose eight control factors include mold temperature, melting temperature, injection pressure value, injection time, packing pressure value, packing during time, cooling time and coolant temperature. Then examination found that melting temperature, packing pressure value, cooling time and coolant temperature have most influential for warping, so research chose those control factors to do further optimization experiments. The warpage had great improvement under optimized process condition through mouldflow.

並列關鍵字

Bi-injection ； Mouldflow ； Taguchi method

參考文獻

4. Moldex3D在【雙射/多射/嵌件射出成型】應用，科盛科技股份有限公司，2012，第13頁。

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雙射射出成型解決肉厚不均產品之應用研究

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