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Dongguan Hongke Plastic Precision Mould Co.,Limited [Guangdong,China] Business Type:Manufacturer Main Markets: Americas , Asia , Caribbean , Europe , Middle East , Oceania , Other Markets , Worldwide Exporter:91% - 100% Certs:ISO9001, TUV, ISO/TS16949, ISO13485, ISO14001

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How to Judge the Dimensional Accuracy of Plastic Mold with Red Lead Oil:

2024-12-06

When red lead oil is used in plastic mold closing, the key to judge the dimensional accuracy is to observe the red lead mark. After the red lead oil is applied to the contact surface of two workpieces, the oil marks will appear when the mold is closed, and the gap size of two workpieces can be intuitively judged by these oil marks. If the gap between the two workpieces is large, such as five wires, then it needs to be properly filed or polished, usually the amount of filing is equivalent to the gap difference, and the amount of filing is minimized to avoid the phenomenon of mantle. The cloak refers to the irregular protrusion on the surface of plastic products after the mold is closed, which affects the quality of the product.

Blank areas need special attention, if the red lead oil does not cover some areas, it means that the gap in these locations is too small, and even be capped. Top death means that the area can not normally close the mold, the red lead oil can not flow into, so it is necessary to continue the flying mold operation, that is, repeatedly open and close the mold to ensure that the red lead oil is evenly distributed, so that the gap between the two workpieces is up to standard.

By carefully observing the distribution of red lead oil, the mold clearance can be gradually adjusted until the ideal state is reached. This process requires patience and experience, while ensuring safe operation to avoid mold damage due to excessive filing.

In addition, the correct use of red lead oil is essential to ensure the accuracy of the mold. When applying red lead oil, it should be uniform to avoid omission or excessive, which not only affects the accuracy of judgment, but also may cause mold pollution and affect subsequent processing.

In short, in the process of red lead oil closing, by observing the distribution of red lead oil, combined with filing and flying die operation, mold clearance can be effectively controlled to ensure product dimensional accuracy. This process needs to be flexibly adapted to the actual situation to achieve the best results.

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Ms. Sophia

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sophia@hongkemould.com

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