YUEYI Mold, China top 2 component mold maker, quality offer bi shot acrylic pitcher mold, turntable palm deco pitcher mold, two shot camping pitcher mold, rotary mold messina jug.
Exhaust system of mold is mainly to solve problem of air trapping in plastic part. Since plastic part is injection molded, in order to avoid occurrence of flare, in the design of mold parting surface and actual fitter assembly, movable and fixed molds are fitted. If there is no vent, trapped air in cavity will be concentrated to the end of filling when plastic part is filled, resulting in lack of glue or even scorching. It will also make welding line at bonding position more obvious. Therefore, exhaust design in mold design is very important.
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Lucia
lucia@yueyimold.com
