An injection molding machine is an instrument that uses a plastic molding mold to make thermoplastic or thermosetting plastics into various shapes of plastic products.

Injection molding machine is also known as injection molding machine or injection machine, many factories are called beer machine (píjī), and injection molding products are called beer parts. It is the main molding equipment for making thermoplastic or thermosetting materials into various shapes of plastic products using plastic molding molds. According to the arrangement of injection device and clamping device, injection molding machine can be divided into vertical type, horizontal type and vertical-horizontal composite type.

The principle of injection molding machine

The working principle of the injection molding machine is similar to that of a syringe for injection. It uses the thrust of the screw (or plunger) to inject the plasticized plastic in the molten state (that is, the viscous state) into the closed mold cavity. The process of obtaining products after curing and shaping.

Injection molding is a cyclic process, each cycle mainly includes: quantitative feeding - melt plasticization - pressure injection - mold filling and cooling - mold opening and taking out. After the plastic parts are taken out, the mold is closed again for the next cycle.

Injection molding machine operation items

Injection molding machine operation items include control keyboard operation, electrical control system operation and hydraulic system operation. The injection process action, feeding action, injection pressure, injection speed, injection mode selection, temperature monitoring of each section of the cylinder, injection pressure and back pressure adjustment were carried out respectively.

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