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Couplet: Feng Manager

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Analysis of production flow of three-layer co-extrusion film blowing machine

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Analysis of production flow of three-layer co-extrusion film blowing machine

Data:2019-11-14 00:00 Source: Click:

The production process of three-layer co-extrusion film blowing machine is to first add dry polyethylene particles into the hopper, and then the particles enter the screw rod by their own weight from the hopper, when the screw rod and the oblique edge of the thread contact, the rotating inclined flute face plastic and inclined flute face vertical thrust, the particles forward. In the process of pushing, due to the friction between plastic and screw, plastic and barrel, as well as the collision friction between particles, and also due to the external heating of the barrel to melt the plastic. The molten plastic is filtered by the machine head to remove impurities from the mold, and the finished film is rolled into a cylinder after cooling and blowing. All kinds of plastic composite films have different properties.


This is determined by the amount and properties of the monolayer films that make up a plastic composite film. In general, plastic composite film than plastic monolayer film has better transparency, mechanical strength, and processing adaptability, air tightness and heat resistance, cold resistance and waterproof performance, from within and bears better save enough items such as food, medicine and senior consumer goods, make its deterioration, corrosion, keeping the original quality and various forms.


Three-layer co-extrusion thin blowing production line adopts a new type of high efficiency and low energy consumption extrusion unit, such as PP, PE co-extrusion film blowing machine, which takes advantage of the characteristics of PP material hardness and PE material brightness, to produce the film with the combination of two characteristics. In order to meet the needs of some special functions of the plastic film packaging materials in the production process, the multi-layer co-extrusion film blowing machine is developed by co-extrusion film blowing machine, which is formed by co-extrusion of various materials.


Electromagnetic heating technology is a new type of high frequency heating technology, after the research and development of scientific researchers, the production of energy saving and environmental protection high frequency heating system, heating efficiency increased to 90%. The molten plastic is filtered by the machine head to remove impurities from the mold, and the finished film is rolled into a cylinder after cooling and blowing. Fully reflect its energy-saving advantages, for plastic processing enterprises to save a lot of electricity costs, improve production efficiency, improve the environment of the workshop, so as to directly reduce indirect production costs.


Compared with the similar equipment, it has the advantages of higher output, good plasticization, low energy consumption and simple operation, which completely solves the problems of film flange and winding size, and makes the product quality reach a new level. The cool air sent by the blower enters the air loop along the tangential direction of the outer coat of the air loop through three air intakes, and is controlled by several wind loops with adjustable clearance, so that the air flow can be blown out more steadily and rise along the periphery of the bubble tube diameter, thus cooling the bubble tube film and making it cool and solidify.


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