射出成型被廣泛地利用在塑膠產品的製程上，傳統射出成型產品開發流程較為單向，意指產品須等到CAE分析完成或模具開發完成後才能檢測產品的好壞，本研究預期在產品CAD設計完後，就可直接進行可製造化分析，分析完後可直接在CAD中進行不良分析結果之設計變更，如此可大幅增加產品開發效率。本研究針對薄殼元件中之肋(Rib)與管(Tube)進行可製造化分析與設計變更，利用已知的特徵辨識資料，進行資料結構的重整，並開發計算肋與管各項尺寸的方法，套用已知的設計規範進行分析並呈現模型上的不良設計。本研究也提供設計變更功能，來快速修改CAD模型上肋與管的不良設計，本演算法可作為模具開發前或CAE分析前的良好工具。;Injection molding has been widely used for fabricating plastic products. Traditional process of injection molding product development is quite nonadjustable, which means the quality of products cannot be checked until finishing the CAE analysis or producing the product. This study enables the optimization of the product after the product design and reforms the bad design in CAD system directly with the suggested design for manufacturing guidelines. This kind of process can improve the efficiency of product development. The purpose of this study is to use the preliminary results of feature recognition to develop novel algorithms to evaluate the parameters of general ribs and tubes on thin-shell plastic part. With all parameters available, the design for manufacturing guidelines is employed for ribs and tubes to remind users to reform the CAD model. Moreover, direct modeling functions are developed to help users to perform the design changes. This algorithm can be a good advance tool for plastic thin-shell mold development or the CAE analysis.
