What Is Injection Molding?

Injection molding, also known as injection molding, is a molding method of injection and molding. The advantages of the injection molding method are that the production speed is fast, the efficiency is high, the operation can be automated, there are many varieties of colors, the shape can be from simple to complex, the size can be from large to small, and the size of the product is accurate, the product is easy to replace, and it can be formed into complex shapes. Parts, injection molding is suitable for mass production and complex shape products and other molding processing fields.

At a certain temperature, the completely molten plastic material is stirred by a screw, injected into the mold cavity with high pressure, and cooled and solidified to obtain a molded product. This method is suitable for mass production of complex-shaped parts, and is one of the important processing methods.

Injection molding is a method of using pressure to press hot-melt plastic into a metal mold to cool and consolidate, also known as injection molding or injection molding. Injection molding has a short production cycle and almost no post-processing, and can form plastic products with complex shapes and precise dimensions at one time. It has high production efficiency and is easy to realize automatic operation. It is suitable for the molding production of external packaging parts such as household appliances and office automation equipment, but the molding equipment and molds are relatively expensive.

There are many molding methods for plastic products, but in principle, these molding processes go through three basic stages: melting (plasticization stage), flow (molding stage), and solidification (cooling stage). Plastic molding methods usually include the following: compression molding, injection molding, extrusion molding, blow molding, calendering, lamination, etc. The most widely used in production is injection molding.

The working process is: the material is heated to a flowing (plasticized) state in the barrel, and then injected into the mold with high pressure to cool, solidify or harden, and then open the mold to take out the molded product. The specific operation steps of this method are: mold clamping, material injection, pressure holding, cooling (the heating, plasticizing and metering of the next injection material is performed in the barrel during this time), mold opening, taking out the molded product, and proceeding to the next step. injection molding operation.

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