OEM 20L bucket molds Personalized:Design of cooling system for plastic cylinder mould: The design of cooling system is a very complex work, that is to say, to consider the cooling effect and uniformity of cooling, and consider the impact of the cooling system on the structure of the entire mold to determine the specific location and size of the cooling system; cooling of key components, such as moving molds and inserts; Cooling of sideslip and sideslip blocks.