THE WARP AGE AND OPTICAL PROPERTY INFLUENCED BY THE PROCESS-INDUCED PROPERTY VARIATION IN MULTI-COMPONENT MOLDING

摘要

Sequential multi-component molding is one of great methods to fabricate the modern injection products. Previous literatures have shown that various parameters, including the product geometries and materials selection, will affect the warpage of final products significantly. However, the interaction between the first shot and the second shot is not clear. In this study, various process-induced properties of the first shot are taken into consideration for the further processing. Results, not only show that the process-induced properties can affect the warpage and optical property crucially but also further help discover the inside mechanism more comprehensively.