Gas-assisted injection molding Compared with ordinary injection molding, gas-assisted injection molding technology has many unparalleled advantages, it can not only reduce the manufacturing cost of plastic products, but also can improve some of its properties. In the case that the parts can meet the same requirements, the use of gas-assisted injection can greatly save the plastic raw materials, and its saving rate can be as high as 50%. On the one hand, the reduction in the amount of plastic materials has brought about a reduction in the time of each cycle of the entire molding cycle; on the other hand, the introduction of high-pressure gas inside the parts has greatly improved the shrinkage profile of the parts, so the injection pressure holding time The injection pressure can be greatly reduced. Gas-assisted injection reduces the working pressure of the injector injection system and the clamping system, and accordingly reduces the energy consumption in the production and improves the service life of the injection molding machine and the mold. At the same time, due to the reduction of the pressure of the mold, the corresponding material of the mold can be selected to be relatively inexpensive. The parts processed by gas assist technology are hollow structures, which not only will not reduce the mechanical properties of the parts, but will also make some progress, and will also be of great benefit to the dimensional stability of the parts. The process of gas-assisted injection is slightly more complex than ordinary injection molding. The control of parts, molds, and processes is basically carried out using computer-aided simulation. The requirements for the injection molding machine system are relatively simple. At present, more than 90% of the injection molding systems are in use. Injection molding machines can be fitted with gas-assisted injection molding systems after simple modifications. There are no special requirements for raw materials. General thermoplastics and engineering plastics are suitable for gas-assisted injection molding. Due to the superiority of gas-assisted injection molding technology in many aspects, and its wide range of applications, there are no excessive requirements for equipment and raw materials. Therefore, in the future development, the application of this technology in the injection molding industry is bound to become more and more widely.

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