• An quick tip to improve injection molding process within 5 minutes

    Well, this is an important technique that could help injection molders to improve molding process within a few minutes. The technique could be summarized briefly with a few words “first fast and then slow shoot”,i.e, first rate injection speed until the fill is complete on the  preset position and then use second rate slower shoot which usually starts at the end of fill. Rapid injection speed helps to maintain the temperature of the molten plastic and overcome the resistance from mould cavity, which gets  the plastic fill completed smoothly. On the other hand, the slower shoot   is a good way to vent the trapped air, preventing flash and shrinkage problems. Skilled Application of this technique can also help to trouble shoot many difficult molding problems .   1.It can be used to solve the trouble of trapped air in injection molded parts,including air stuck in “dead corners”   2.It is used…

    Injection molding process November 25, 2019
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