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China dalian Long Yao plastic machinery co., LTD

Contact: manager xu

Hand machine: 13354065688

Telephone: 086-0411-86268088

           086-0411-86268988

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Email :xu86268088@126.com

Address:Liaoning province of China, dalian lushun lime kiln

Web site:www.dllongyao.com 


ABA blown film machine, production process and principle

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ABA blown film machine, production process and principle

Release date:2014-12-19 00:00 Source: Click:

ABA blown film machine

ABA blown film machine, production process and principle

Plastic packaging materials as commodity, with the strong transparency, colourful, modelling diversity, non-friable, packaging it, low cost, etc.Since the seventy s, plastic packaging materials as commodity increasingly adopted for the people.Changsha fine art printing plant is adopting polyethylene or polypropylene single blow molding, because the polyethylene good toughness and transparency is poor, to beautify the commodity is not ideal;Polypropylene good transparency, poor toughness, impact on the protection of the goods.As a result, can well meet the needs of the foreign market.They in order to solve this problem, a scientific experiment, after repeated, final thousand successfully made of polyethylene and polypropylene co-extrusion blown film machine, with co-extrusion blown film machine in the production of plastic packaging bags, transparency is strong and good toughness and for export goods packaging has opened up broad prospects, is popular among foreign trade departments and high praise.Its technological process is: feed heating period of plasticizing "homogenization", "die" blow molding, cooling, discharging traction ".(polyethylene and polypropylene from two hopper feed, heating degree of 240 ℃, 260 ℃, respectively 280 ℃ -- 300 ℃. In two kinds of membrane part of the plastic mechanism for head temperature 220 ℃, the water cooling is used on cooling, the water with common membrane can't afford to give advisable.)

Will dry polyethylene particles added to the hopper, depend on the weight of the particles themselves from the hopper into the screw, when the aggregate after contact with thread oblique edge rotating slant edge face plastic produce and inclined faces the vertical edges of thrust, plastic particles move, goes on in the process, because the plastic screw

Rod, plastic and barrel friction between the friction and collision between particles, but also gradually melt due to external heating cylinder.Molten plastic by head die out from the die and approved by the wind ring cooling, blowing the herringbone board, drawing roller, winding will finished film rolled into a cylinder


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