What Are The Reasons For The Difficulty In Demolding The Product During The Injection Molding Process Of The Plastic Mold?
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What Are The Reasons For The Difficulty In Demolding The Product During The Injection Molding Process Of The Plastic Mold?
You are here: Home » News » News » What Are The Reasons For The Difficulty In Demolding The Product During The Injection Molding Process Of The Plastic Mold?

What Are The Reasons For The Difficulty In Demolding The Product During The Injection Molding Process Of The Plastic Mold?

Views: 0     Author: Site Editor     Publish Time: 2020-01-13      Origin: Site

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During the injection molding process, the plastic part is ejected by an ejection mechanism in a plastic mold. But sometimes because of the special shape of the product, it is difficult to remove the plastic part from the cavity of the plastic mold.

One: plastic mold

(1) The mold release structure is unreasonable or improperly located.

(2) The demolding slope is not enough.

(3) The mold temperature is too high or the ventilation is poor.

(4) The surface of the runner wall or cavity is rough.

(5) Improper matching of the diameter of the main flow channel and the diameter of the nozzle hole

(6) The surface of the cavity is rough, or is damaged and worn

(7) The gate is poorly balanced and the melt enters the cavity at different speeds

Two: injection molding process

(1) High injection pressure

(2) Plastic mold temperature is too high

(3) Injection and dwell time are too long

Three: raw materials

(1) Foreign matter mixed in raw materials

(2) Improper selection of release agent


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