教師資料查詢 | 類別: 會議論文 | 教師: 黃招財 CHAO-TSAI HUANG (瀏覽個人網頁)

標題:INVESTIGATION ON THE DEVIATION DIFFERENCE BETWEEN NUMERICAL SIMULATION AND EXPERIMENTS IN INJECTION MOLDING PRODUCT DEVELOPMENT
學年108
學期1
發表日期2019/09/04
作品名稱INVESTIGATION ON THE DEVIATION DIFFERENCE BETWEEN NUMERICAL SIMULATION AND EXPERIMENTS IN INJECTION MOLDING PRODUCT DEVELOPMENT
作品名稱(其他語言)
著者Chao-Tsai Huang1; Po-Hsuan Chen1; Yi-Hsuan Hsu1; Wen-Ren Jong2; Rong-Yeu Chang3
作品所屬單位
出版者
會議名稱Polymer Engineering and Science International 2019
會議地點Yonezawa, Japan
摘要Recently, many Internet of Things (IoT) have been proposed and developing to industry and markets. They drive people to design and create an automatic production environment. Before executing automatic production, how to retain good quality for injection products is one of the crucial factors. To retain good quality, it is commonly using CAE to assist from original design to revision and to fabrication. However, even using CAE, it doesn’t guarantee the quality factors obtained from CAE can be applied to real experiments. In this study, firstly we have focused on what the major factors were to cause the difference between CAE simulation and real testing on the warpage quality. We further applied numerical simulation to decouple what the main driving forces are to make the difference between simulation and experiment. Results showed that in the original process setting, the warpage difference between simulation prediction and experiment is 0.34 mm. We further found out the major difference came from the injection filling response is too slow (delayed about 29%) and packing pressure is insufficient (23% lower) in real experiment. Moreover, after calibrate the machine response the warpage difference between simulation and experiment has been reduced to 0.12 mm. Obviously, it has been improved about 65% in accuracy. Moreover, we have introduced viscoelastic (VE) effect into this study. Result showed that in the presence of the VE effect the warpage difference between simulation and experiment is further reduced to 0.04 mm. Clearly, the VE has a great impact in this case study. However, the influence of VE is great or not for other cases that should be further studied.
關鍵字Injection molding;numerical simulation;warpage;viscoelastic (VE) effect
語言英文(美國)
收錄於
會議性質國際
校內研討會地點
研討會時間20190904~20190907
通訊作者
國別日本
公開徵稿
出版型式
出處Proceedings of the Polymer Engineering and Science International 2019
相關連結
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