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runner molding system | |
A hot runner system is a technology used in injection molding machines to keep the plastic material in a molten state while it is being injected into the mold cavity. The system consists of a heated manifold, which is connected to a series of nozzles that deliver the molten plastic into the mold. Advantages of Hot Runner System Better gate quality: As the plastic material remains in its molten state, the gate quality is better, and there are fewer chances of defects in the final product. Material savings: As the plastic material remains in its molten state, there is less wastage of material, and hence, the material savings are significant. Faster cycle times: The hot runner system allows for faster cycle times, which means more parts can be produced in a given amount of time. Reduced labor costs: As the system is automated, it reduces the need for manual labor, resulting in reduced labor costs. Flexibility: The hot runner system is flexible and can be used with a variety of materials, including high-temperature plastics. Types of Hot Runner Systems Open hot runner system: In this system, the plastic material is injected into the mold through an open nozzle. This system is suitable for large parts where gate vestige is not a concern. Valve gate hot runner system: In this system, the plastic material is injected into the mold through a valve gate, which ensures minimal gate vestige, resulting in better gate quality. This system is suitable for small to medium-sized parts. Insulated hot runner system: In this system, the manifold and nozzles are insulated to reduce heat loss and ensure consistent temperature control. This system is suitable for high-temperature plastics. Conclusion The hot runner system is a technology that has revolutionized the injection molding process. It offers several advantages over traditional cold runner systems and is widely used in the manufacturing industry. The system has several types, each suited for different applications, making it a versatile choice for manufacturers.  | |
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| Target State: All States Target City : All Cities Last Update : Jul 07, 2025 1:48 AM Number of Views: 8 | Item Owner : injectionmoldchina Contact Email: Contact Phone: 021-52913487 |
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2025-07-08 (0.581 sec)