On the basis of general Hele-Shaw model, the simulation of the effect of polymer rheological behavior and several important molding process parameters on breakthrough of core melt front of sequential co-injection molding process was implemented by means of CAE technique.

On the basis of general Hele-Shaw model,the simulation of the effect of several important molding process parameters on sequential co-injection molding process was implemented by means of CAE technique which involves temperature,prefilled polymer volume fraction and injection velocity.

Applying sequential injection moulding to control weld-line locations;

Study of Expert System in Intelligent Diagnosis of Injection Molding Limitations Based on RS Theory;

A unified compressible flow analysis of filling and post-filling in injection molding;

Process Parameter Optimization of Injection Molding Based on Neural Network;

The Development of Temperature Control System for Rapid Heating and Cooling Injection Moulding;

Several typical defects in injection moulding are enumerated.

The problems and causes that way be met during the making course of thermoplastic polyurethane injection moulding the measures of treating failing products.

Based on engineering knowledge of pack-ing process in injection-molding, the equations gov-erning the packing process are obtained using thebasic equations of Non-Newtonian, compressible,viscous fluid.