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The Influence of Electric Vehicle Charging Cable on Industrial Development

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    When an electric vehicle charging cable is extruded, it may cause a lump phenomenon, that is, there are small lumps attached to the surface of the EV charging cable.


    The Emergence of Lumps on Electric Vehicle Charging Cables

    • During the plasticization process of the electric vehicle charging cable resin, there may occur small lumps. Some small crystal points and small particles may be distributed around the surface of the plastic layer. 


    • The lumps can also be produced by scorching. Located at the surface of the glue joint, some scorched matters may occur on the surface of the plastic layer of the EV charging cable.


    • Lumps caused by impurity. There may exist impurities on the surface of the plastic layer and in the sliced lumps as well.


    • Plastic lumps produced by the unqualified plasticization process. As for this kind of lump, cooked glue can be found after slicing.


    The Generation of Lumps on Electric Vehicle Charging Cables

    • Due to low temperature control, the plastic is extruded from the electric vehicle charging cable before it is plasticized well.


    • The quality of plastic is poor, and the resins, which are difficult to plasticize, are extruded without plasticization.


    • Some impurities are added to the hopper when feeding, thereby causing impurity lumps.


    • The temperature is too high, resulting in scorch and cooked lumps.


    • There is not enough pressure on the molded cover, and the aged deterioration occurs after the glue enters. Then the burning pimples appear.


    • Due to poor environmental sanitation, dust, thread ends, etc. have entered the rubber compound.


    The Disappearance of Lumps on Electric Vehicle Charging Cables

    • Increase the temperature appropriately if the lumps are caused by the plastic itself.


    • Check strictly whether there are sundries in the plastic when feeding. Do not add other sundries into the hopper when feeding. If impurities are found, the machine head should be cleaned in time and the glue stored in the screw should be removed.


    • Reduce the temperature appropriately if it is found that the temperature is too high. If it doesn’t work well, it is necessary to clean the head and the screw in time and clean the burnt object.


    • Increase the temperature appropriately or reduce the traction speed when resin lumps and lumps caused by unqualified plasticizing occur.



    In short, we should strictly control the production line of electric vehicle charging cables. By carefully controlling the raw materials and the production process, we need to find the troubleshoot problems timely and form a standardized production line.


    References

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    AG ELECTRICAL TECHNOLOGY Unveils Next-Gen EV Charging Solutions at Power2Drive Europe 2025
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    KeyanErlu, Yizheng, Yangzhou, Jiangsu