Injection molding, is a method that combines injection and molding processes. The advantages of injection molding include high production speed, efficiency, the ability to automate operations, a wide variety of designs, and the ability to produce parts ranging from simple to complex shapes and sizes. Additionally, injection molding allows for precise dimensions, easy updating of products, and the capability to manufacture parts with complex shapes. This method is suitable for mass production and the manufacturing of complex-shaped products.
Under specific temperatures, fully melted plastic material is mixed by a screw and injected into a mold cavity under high pressure. After cooling and solidification, the molded product is obtained. This method is suitable for the mass production of complex-shaped components and is one of the important processing methods.
By repeating the above process, products can be produced in batches periodically. The molding of thermosetting plastics and rubber includes a similar process, but the barrel temperature is lower than that of thermoplastics, the injection pressure is higher, and the mold is heated. After the material is injected, it needs to undergo a curing or vulcanization process in the mold before being demolded while still hot.
The current trend in processing technology is moving towards high-tech developments, which include micro-injection molding, high-fiber composite injection molding, water-assisted injection molding, the combined use of various specialized injection molding techniques, foam injection molding, mold technology, simulation technology, and more.
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