hot runner system
hot runner system
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Cold runner and hot runner in China


In the every injection ,cold runner cost waste of plastic material. In the process of molding plastic parts,
multiple cavity cold runner system will cause a lot of waste of raw materials, which makes the profit space molding is seriously damaged.
Cold runner has the advantage of easy to use, also can well meet the demand of some beautiful.
Cold runner to reduce injection to pervious to light transparent acrylic ester or polycarbonate parts, such as avoiding the cause visible in some parts of strip effect.
For the cold runner shortcomings, in addition to the waste of raw materials, the defect of cold runner including the whole process of automatic or manual added steps.
Removed from the part of the mould, will be the cold runner need robots or workers to get the parts from port.
According to the size of the flow channel, the value of waste could reach hundreds of thousands of dollars, especially for expensive materials such as polycarbonate.
For more cavity system, cold runner may not entirely as desired.
In the case of multi-cavity, gate more plastic than the amount of injection molding parts.
But hot runner can solve this problem, it can effectively increase the amount of a single cavity, because gate in the entire process of processing, in the molten state.




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