Plastic film blowing machine

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Do you know the film blowing machine? Come and see this!

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Do you know the film blowing machine? Come and see this!

Data:2016-06-27 14:50 Source: Click:

Do you know the film blowing machine? Come and see this!

  Film blowing machine, dry polyethylene particles into the hopper in, by the weight of the particle itself from the hopper into the screw, when the pellets and screw thread oblique edge contact, the rotation of the oblique edge face plastic and slant edge perpendicular to the surface of the thrust, the plastic particles goes forward, progresses, the plastic melt the filter head to impurities from the mouth of the die, the wind ring cooling, blown the lambdoidal board, traction roll, roll the finished film is coiled into a cylinder.

  Film blowing machine blown film is usually done cargo transport, food packaging, fresh products, biotechnology and other industries, film blowing machine quality and film technology determines the film forming quality. So a good performance of the film blowing machine in the film production process showed good ability to adapt to the market, improve production efficiency at the same time, provide convenience for the people, and promote the harmonious development of the society.

  The air ring device is mainly composed of a blower, an air volume distributor, a wind loop and a wind pipe, and the air flow distributor is blown by a blower to enter the air loop through the air pipe to form a bubble, and the purpose of cooling is realized. HDPE has very good electrical properties, especially the high dielectric strength, so it is very suitable for wire and cable. Medium to high molecular weight grade has excellent impact resistance, at room temperature even in the -40F low temperature.

  Such fresh-keeping film is composed of a nylon translucent film, the film almost transparent, good water permeability, in the interlayer are installed with a certain amount of sand syrup, gently wrapped object surface. The film must ensure environmentally friendly, and strong water permeability, can absorb the fruit and vegetable juice to cling to. This special material needs blowing machine with high-end traction and drawing ability, guarantee freely tough film products.

  High density polyethylene (Density Polyethylene High, referred to as "HDPE"), is a high degree of crystallinity, non polarity thermoplastic resin. The appearance of the original HDPE is milky white, with a certain degree of semi transparent shape in the thin section. PE has excellent resistance to most of life and industrial chemicals. Some kinds of chemicals will produce chemical corrosion, such as corrosive oxidant (nitric acid), aromatic hydrocarbons (xylene) and halogenated hydrocarbons (carbon tetrachloride). The polymer does not absorb moisture and has good water vapor resistance, and can be used for packaging.

  LLDPE usually in lower temperature and pressure, by the ethylene and advanced a olefins such as the polymerization of maleic or. The LLDPE polymer produced by the copolymerization process has a narrower molecular weight distribution than that of the general LDPE, and has a linear structure with different rheological properties.

  Mainly by the screw, machine tube feeding hopper, deceleration and drive motor composed of blown film crew extruder, the drive motor with electromagnetic adjustable speed motor (also available to ordinary inverter motor), the particles generally called old material, made of particles is usually gray, in the form of a bag usually add pigment, made into a bag of uneven color, brittle and easily broken, the price is lower.

  Linear low density polyethylene, the structure is different from the general low density polyethylene, because there is no long chain. Through the transmission belt drive reducer to make the screw rotational motion in the cylinder, so that the hopper plastic particles under the external heating molten plastic three-way filter from the mouth of the die to squeeze, people use plastic bags for recycling to made of particles, LLDPE linear depending on LLDPE and LDPE Production and processing process.

Plastic film blowing machine

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