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The importance of HDPE high speed film blowing machine temperature

According to the plastic melting theory, the extruder screw of HDPE high-speed film blowing machine is divided into three sections: feeding section, melting section, homogenization section, at the end of the feeding section, into the beginning of the melting section, according to the melting theory, its temperature should be viscous flow temperature. At the inlet of the feeding section of the film blowing machine, the temperature is lower to prevent resin viscous flow from blocking the feed port. In addition, the resin in the feeding section is constantly compressed, and the air should be discharged from the feeding port backwards. According to the different structure of the film blowing machine equipment, the feeding port is not electrically heated, but heat transfer through the barrel, and the temperature of the feeding port is about 50-90 degrees. In this way, the temperature of the feeding section is determined.

2020-10-08

HDPE high speed film blowing machine how to compare the quality

The production of packaging bags or plastic bags will be used in the film blowing machine, this kind of equipment has a wide range of application, and the production efficiency is relatively high, HDPE high-speed film blowing machine is practical, and can also improve the production efficiency, the scale of a high-speed film blowing machine brand, directly affects the quality of the product, larger manufacturers have stronger production capacity, and the technical level is excellent, The same product, the cost price may be lower, in the selection can ensure the cost performance.

2020-10-09

What are the factors related to the quality of HDPE high-speed film blowing machine

In order to meet the needs and demands of social products, the film blowing machine will continue to introduce advanced technology, adjust the industrial business model, promote the plastic industry to high-end, the new HDPE high-speed film blowing machine manufacturing industry sheet film blowing machine, bottle blowing machine PE foam film, multi-layer composite film blowing machine, color strip film blowing machine, heat shrink film blowing machine, etc., in order to meet the market of a variety of product packaging, High-end blow-molded film quality wins favor.

2020-10-09

Friction of a three-layer co-extrusion film blower

A film blower is a device that melts plastic particles and then blows them into a film. There are many kinds of film blowing machine, PE, POF, PVC, etc. The film blowing machine uses new plastic particles to blow out new material, whose color and color are all said, clean, and the bag is stretched well. The production process and production principle are to add dry polyethylene particles into the hopper, and the three-layer co-extruded film blowing machine enters the screw from the hopper by the weight of particles themselves. The rotating helical face of the plastic produces a thrust perpendicular to the helical face.

2020-10-11

HDPE high speed film blowing machine film bubble temperature automatic adjustment device

The membrane bubble temperature automatic adjustment device of HDPE high-speed film blowing machine relies on changing the air volume to adjust the membrane bubble temperature specially and independently. Moreover, changing the air volume does not affect the air pressure in the cavity of the membrane bubble, and does not affect the blowing expansion ratio of the membrane bubble.

2020-10-14

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