Nonlinear Modeling of a High Precision Servo Injection Molding Machine Including Novel Molding Approach  

作　　者：何雪松 王旭永 冯正进 章志新 杨钦廉 

机构地区：[1]Institute of Mechatronics Research, Shanghai Jiaotong University, Shanghai 200030, China [2]JECT CO. , LTD,YOKOHAMA JAPAN, Me Yan CO. , LTD, Guangdong. Prov. [3]JECT CO. , LTD,YOKOHAMA JAPAN, Me Yan CO. , LTD, Guangdong. Prov. nonlinear mathematical model of the injection molding process for electrohydraulic servo injection molding machine (IMM) is developed. It was found necessary to consider the characteristics of asymmetric cylinder for electrohydraulic servo IMM. The model is based on the dynamics of the machine including servo valve, asymmetric cylinder and screw, and the non-Newtonian flow behavior of polymer melt in injection molding is also considered. The performance of the model was evaluated based on novel approach of molding - injection and compress molding, and the results of simulation and experimental data demonstrate the effectiveness of the model.

出　　处：《Journal of Donghua University(English Edition)》2003年第4期132-136,共5页东华大学学报（英文版）

基　　金：Foundation item: The National Torch Program of China (No. 2001EB000991)

摘　　要：A nonlinear mathematical model of the injection molding process for electrohydraulic servo injection molding machine (IMM) is developed.It was found necessary to consider the characteristics of asymmetric cylinder for electrohydraulic servo IMM.The model is based on the dynamics of the machine including servo valve,asymmetric cylinder and screw,and the non-Newtonian flow behavior of polymer melt in injection molding is also considered.The performance of the model was evaluated based on novel approach of molding - injection and compress molding,and the results of simulation and experimental data demonstrate the effectiveness of the model.A nonlinear mathematical model of the injection molding process for electrohydraulic servo injection molding machine (IMM) is developed. It was found necessary to consider the characteristics of asymmetric cylinder for electrohydraulic servo IMM. The model is based on the dynamics of the machine including servo valve, asymmetric cylinder and screw, and the non-Newtonian flow behavior of polymer melt in injection molding is also considered. The performance of the model was evaluated based on novel approach of molding - injection and compress molding, and the results of simulation and experimental data demonstrate the effectiveness of the model.

关 键 词：servo IMM modeling asymmetric cylinder injection molding back lightguide plate NONLINEAR 

分 类 号：TG249.2[金属学及工艺—铸造]