UNIQUE Injection Molding Machine | Integrated Mobile Factory for PET Preforms
Given the high melting point and rapid stabilization of PET material, precise temperature control equipment is essential. When selecting an injection molding machine, please consider the following points:
Injection System: Choose an injection system with multiple temperature control stages to minimize heat generation from self-friction during the plasticization process. Also, ensure that the actual weight of the product (including the preform) is not less than two-thirds of the machine's injection capacity. To address the unique molding conditions of PET, the UNIQUE injection molding machine employs an advanced two-stage injection method, effectively separating the plasticization and injection processes of PET raw materials, significantly reducing the AA value.
Screw: In general, PET can only be molded using a screw-type injection molding machine. The optimal choice is a special screw with a top anti-return ring, characterized by high surface hardness and wear resistance. The UNIQUE injection molding machine is equipped with a dedicated PET screw and a high-torque plasticization motor, greatly enhancing screw plasticization efficiency.
Mold: Hot runner molds are commonly used for molding PET preforms. The UNIQUE mold has been upgraded to design a more optimized cooling water channel system, maximizing the utilization and connection of water paths to improve the mold's cooling effectiveness and effectively shorten the injection cycle.
Unique Features of UNIQUE Preform Injection Molding Machine:
To address the unique characteristics of PET preform materials, UNIQUE has introduced a dedicated PET preform injection molding machine, employing a specialized PET screw to achieve excellent blending and plasticization. The fully electric plasticization control system integrates mold temperature control and cooling water, among other production process parameters, ensuring precise control of cooling time and temperature requirements. Paired with a high-precision needle valve hot runner mold, it enables accurate control of key parameters such as mold, material, temperature, injection pressure, injection speed, and back pressure, meeting the special production process requirements of PET and ensuring product stability. It is easy to operate, as production can commence by simply connecting to the power supply. By choosing the PET preform injection molding machine from UNIQUE, you will obtain a reliable integrated mobile factory for PET preforms.