INJECTION MOLD FOR RESIN MAGNET ROLL

摘要

PURPOSE:To provide an injection mold for a resin magnet roll having high cooling capacity and excellent productivity. CONSTITUTION:The space in a cavity is divided into a radial center space and an outer peripheral space so as to perform the casting of resin in both the spaces by two stages or by primary injection and secondary injection, In the secondary injection space, cooling core 4 is characterized so as to be provided in order to be able to go into and out of a cavity 2.