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The role of the 5 main parts of the injection molding machine:
1. Injection system:
The function of the injection system: The injection system is one of the most important components of the Ningbo injection molding machine. Generally, there are three main forms: plunger type, screw type, and screw pre-plasticized plunger injection type. At present, the most widely used is the screw type.
The function of the injection system is that in a cycle of the injection molding machine, a certain amount of plastic can be heated and plasticized within a specified time, and the molten plastic can be injected into the mold cavity through a screw under a certain pressure and speed. After the injection, the molten material injected into the mold cavity is kept in shape.
The composition of the injection system: the injection system is composed of a plasticizing device and a power transmission device. The plasticizing device of the screw injection molding machine is mainly composed of a feeding device, a barrel, a screw, and a nozzle. The power transmission device includes an injection cylinder, an injection seat moving cylinder, and a screw drive device (melting motor).
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