How to reasonably control the temperature of the film blowing machine?

Release time：

2021-01-18

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The reasonable and scientific control of the temperature of the plastic film blowing machine is more conducive to better blowing film, blowing film can achieve the expected quality objectives, plastic film blowing machine made of film because of its good barrier, fresh preservation, moisture prevention, frost prevention, oxygen separation, oil resistance, can be widely used in light and heavy packaging, such as a variety of fresh fruit, meat, pickles, milk, liquid drinks, medical supplies and other fields are widely used, In order to facilitate film lifting and normal film blowing by the film blowing machine, the temperature of the film blowing machine needs a proper temperature. Then how to control this temperature?

According to the melt theory of plastic, the extruder screw of blown film is divided into three sections: feeding section, melting section and homogenizing section. At the end of the feeding section and the beginning of the melting section, according to the melting theory, its temperature should be viscous flow temperature. The viscous flow temperature of various film blowing resins is PP: 164-175 degrees Celsius, PE: 105-135 degrees Celsius, PA: 195-210 degrees Celsius. The environment determines the product quality.

Film blowing machine in the new development situation, the original high energy consumption, high pollution production mode has been difficult to maintain, if the film blowing machine market can not with the development of the market and industrial structure optimization, innovation and development, it can only be eliminated by the market, Pe film is widely used in daily life, pe film blowing machine development also presents a great form, under the new situation, Green, energy saving and environmental protection have become the new development direction, and the green and environmental protection research of pe film blowing machine has been carried out constantly. The new pe foam film produced by pe material is an innovative product under the new situation.

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