一模兩穴相異成形品(又稱為1加1模穴)在塑膠射出成型作業時,首先遇到的問題就是熔膠流動不平衡。若熔膠在充填階段無法達到流動平衡,就會造成塑膠成形品內部的壓力分佈不均,甚至發生短射(Short Shot)情形。本研究使用Moldex3D CAE軟體,針對一模兩穴的空氣濾清器(Air Cleaning Filter)之本體(零件A)與上蓋(零件B)作流動平衡分析。流道設計採用H型熱流板(H-type Manifold),A模穴的澆口數目為6個(熱澆道( Hot Runner )+冷流道),B模穴的澆口數目為2個(熱澆道直接進料)。經由模具優化流道尺寸與澆口大小的設計,及田口實驗方法及變異數分析,規劃射出成形參數得因子與水準,探討成形參數對流動平衡的影響。結果顯示當A件的冷流道尺寸為直徑10 mm,澆口尺寸為直徑3 mm,B件的澆口尺寸為直徑2.5 mm,可獲得最佳的熔膠流動平衡。
Two-cavity of different moldings (also known as a plus one mold cavity) in the plastic injection molding operation, the first problem is that the melt flow imbalance. If the melt flow during the filling phase equilibrium can not be achieved, it will cause the pressure inside the plastic molded unevenly distributed, and even short shot (short shot) situation. Moldex3D CAE software used in this study, two points for a mold air cleaner (air cleaning filter) of the body (Part A) and cover (Part B) as current balance analysis. H-shaped flow channel design using heat plate (H-type manifold), A gate cavity number 6 (hot runner + cold runner), B gate cavity number 2 (hot runner direct feed). Optimized flow channel through the mold gate size and the size of the design, and the Taguchi method and variance analysis, planning and injection molding parameters have to factor levels to explore forming parameters on the flow balance. The results showed that when A piece of cold runner diameter is 10 mm, gate size diameter 3 mm, B piece gate size diameter 2.5 mm, the melt flow for optimum balance.
為了持續優化網站功能與使用者體驗,本網站將Cookies分析技術用於網站營運、分析和個人化服務之目的。
若您繼續瀏覽本網站,即表示您同意本網站使用Cookies。