With the development and innovation of the packaging industry, PET bottle preforms are increasingly used in beverage, food, cosmetics and other fields. Choosing a suitable PET preform injection molding machine has an important impact on production efficiency and product quality.
1. Injection molding speed and stability
The production of PET bottle preforms usually requires high injection speeds, so the injection system of the machine needs to have fast and stable performance. Choosing a model with an efficient injection system and precise control system can ensure high-quality product output.
2. Refrigeration system and pre-cooling
Rapid cooling of PET materials is the key to ensuring product quality. Therefore, the machine's refrigeration system and pre-cooling system also need to be paid attention to. A suitable cooling system can speed up the molding cycle and improve production efficiency.
3. Consideration of PET bottle preform characteristics
The characteristics of PET materials need to be considered in machine selection. PET has a high melting point and high viscosity, so the machine needs to have high-temperature and high-pressure injection molding capabilities. At the same time, appropriate screw structure and feeding system are also important factors to ensure uniform melting of PET materials and injection molding quality.
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