36 experience of two-color injection mold design and dual shot injection molding
36 experience of two-color injection mold design and dual shot injection molding 1. Basic principles of two-color injection mold design : (1) 1 time for hard plastic and 2 times for soft plastic; (2) 1 time for transparency and 2 times for non-transparency; (3) 1 time for plastic with high molding temperature and 2 times plastic with low molding temperature; Above is basic principle of making a dual shot injection molding, otherwise mold will be undone; in addition, when sealing glue, try to use sealant instead of inserting sealant, even if it is recommended that customer modify product as much as possible by using sealant; 2. Guide bush guide bushing must be symmetrical top and bottom, left and right . Front and rear modes are symmetrical. 3. Back mold should be rotated 180 degrees, and front mold does not move . 4. Spacing of products must be based on spacing of nozzles of plastic injection molding machine...