Injection Molding Manufacturer Plastic Mold System 123, Shenzhen Donglai Precision Mold Co., Ltd.
Plastic molds are essential tools in the production of plastic products, with their design and structure greatly affecting the quality of the final products and production efficiency. The basic structure of a plastic mold includes six key systems: the injection system, temperature control system, forming parts system, exhaust system, guiding system, and ejection system. These systems work together to complete the molding process of plastic products.
1. The injection system refers to the flow path through which plastic travels from the nozzle into the mold cavity, including the main runner, cold material well, branching runner, and gate. The design of the injection system impacts the speed and uniformity of plastic filling, directly influencing the appearance and dimensional accuracy of the final product.
2. The forming parts system comprises the moving mold, fixed mold, mold cavity, core, and forming rods, which are critical components that define the product’s shape. The core forms the internal surface of the product, while the cavity shapes the external surface, coming together to create the mold’s cavity.
3. The temperature control system ensures that the mold temperature meets the requirements of the injection process by adjusting the temperature, thereby controlling the flow and cooling speed of the plastic to ensure the quality of the final product.
4. The exhaust system serves to remove air from the mold cavity and gases produced during plastic melting during the injection molding process, preventing defects such as air pockets or burn marks on the product surface.
5. The guiding system ensures accurate alignment between the moving and fixed molds during clamping, typically composed of guide pins and guide sleeves.
6. The ejection system includes ejector pins, ejector plates, and ejector guide rods, used to push the molded plastic product out of the mold for the next injection molding cycle.
Plastic Mold System
The various systems in plastic molds collaborate to accomplish the molding process of plastic products. Each system has its unique functions and roles, necessitating careful design and manufacturing to ensure the quality and efficiency of the final product. A thorough understanding of the structure and working principles of plastic molds is essential for effectively applying them in production, enhancing efficiency, reducing costs, and achieving sustainable development in manufacturing.