Nowadays, more and more places in social life use plastic products. In order to save money and better inject better products, most plastic product manufacturers choose high-pressure nitrogen and high-pressure air to form hollow products. To solve the problem, they can also save raw materials when they shrink plastic products together, with the effect of one stone hitting two birds.
Here is a brief introduction to the role of gas booster pump in gas injection molding. Nitrogen is usually used as injection gas in gas injection molding. Nitrogen is an inert gas that should not be changed due to high pressure and high temperature. The nitrogen pressure in gas injection molding depends on the site, generally 30-130bar (kg). This is mainly reflected in the wall thickness of finished products and raw materials.
Hanger, thick edge tray, etc. are mainly used to save cost, and the pressure of processing shrinkable rubber is generally 30-50bar. Automobile handle, high-quality toys and other internal hollow relatively large, relatively high demand pressure, generally maintained at 120-130bar. In this case, the pressure difference can be divided into medium pressure and high pressure of the gas boosting system. For example, dta10 can increase the nitrogen pressure of the nitrogen generator to 80 bar, and dtt25 can increase the nitrogen pressure of the nitrogen generator to 200 bar.
Gas injection molding is more important to the site conditions and requirements, can choose gas injection molding AIDS and high-pressure gas booster system, about saving money and shrinking plastic can not gas injection AIDS. The specific parameters of pressure and hollowness are different in plastic manufacturers.
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