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The role of exhaust groove design in electric toothbrush injection mold

by:Vowin Rapid Prototyping     2023-02-15
What are the functions of the exhaust groove design of the electric toothbrush injection mold? Shanghai Mulan Injection Mold Factory said that the injection mold often has insufficient filling, compressed air burns, too high internal stress, and surface streamlines during the trial mold and injection molding process. One of the reasons for these problems is the exhaust problem. To solve the exhaust problem, it is necessary to add exhaust grooves in the injection mold. The same is true for precision plastic parts such as electric toothbrushes, and more attention should be paid to the use of exhaust grooves. So, what are the functions of the design of the exhaust groove in the injection mold of the electric toothbrush?

Shanghai Mulan Injection Mold Factory has 20 years of experience in injection mold processing. Master Zheng Gong gave a detailed introduction to the problem of the role of the design of the exhaust groove in the injection mold of the electric toothbrush. The exhaust groove can be used when the injection mold is injected. , to discharge the air in the mold cavity; to discharge various gases generated during the heating process of the melt.

Therefore, proper setting of the exhaust groove can reduce the injection pressure, injection time, holding time, and clamping pressure, making the injection molding process of the electric toothbrush easier, greatly improving the efficiency of injection molding processing, reducing production costs, and reducing energy consumption. . Of course, exhaust design is not to be taken lightly.

1. It is not easy to open the exhaust groove in the dead corner of the injection mold. It is necessary to properly change the injection mold into an inlay processing without affecting the appearance and precision of the product. This is not only convenient for processing and exhaust, but also can change the original injection mold processing difficulty;

2. For the closed shape of plastic parts such as electric toothbrushes, it is necessary to add thimbles for exhaust, resulting in weld marks;

3. For molds with complex shapes, the setting of the exhaust groove needs to be determined after several mold trials;

4. When the wall of the plastic part is thin, the exhaust groove should be set as far away from the gate as possible;

5. More attention should be paid to the setting of exhaust grooves for precision parts, which can avoid surface burns and insufficient injection, and avoid other adverse phenomena to a certain extent.

The above is the detailed introduction of Shanghai Mulan Injection Mold Factory on 'Electric toothbrush injection mold design exhaust groove function'. Electric toothbrush mold opening and injection molding requires experienced injection mold factories to carry out injection molding processing in accordance with standards to ensure the quality of injection molding. If you are looking for an injection molding technology solution for electric toothbrush opening, please contact us by phone, or visit our official website to learn more about technical content.
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