OEM Plastic Moulding Supplies Manufacturer

As a professional OEM plastic injection molding supplier, we use ultra-high precision molding processing methods, which are usually divided into two steps, mainly for ultra-high precision mold holes of injection molding parts. This type of processing requires not only high-precision injection molding technology, but also the structure of precision plastic molds.

Due to the extremely small dimensional tolerance of ultra-high precision apertures, the shrinkage rate of plastics must be strictly controlled. We not only need a fixed and reliable raw material supplier, but also may need to make a simple plastic mold or use an old mold to process injection molding parts. By comparing the corresponding dimensions of the injection molding part and the mold one by one, we can accurately determine the shrinkage rate of the plastic.

In the injection molding process of electronic products, the design of the core must be adjusted according to the precise shrinkage rate of the plastic. In addition, through multiple experiments, we can find out the actual shrinkage size of the plastic after cooling, so as to further determine the ideal size of the plastic model core.

OEM plastic injection molding suppliers in Shenzhen also face geometric errors caused by various factors, such as the cylindrical error of the injection molding hole. To solve this problem, we first measure the cylindrical error of the injection molding hole and design the corresponding correction pin size based on the measured data. After the injection molding is demolded, the correction pin is quickly inserted and placed in room temperature water. After the injection molding is completely cooled and the size is stable, the correction pin is pulled out.

Through this series of precise molding processes, our OEM plastic contract manufacturing services can ensure high-quality and high-precision products to meet customer needs for electronic products.