Email:1746098@qq.comTaizhou Huangyan Longer Machinery Mold.,Ltd

Taizhou Huangyan Longer Machinery Mold.,Ltd

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Contact:Mr. Mo / Mr. Brian Chen
Mobile: +86-15058816888

Mobile: +86-13806667497
Tel: +86-576-84266060
Fax: +86-576-84254545

Add: Huangtuling, Beicheng, Huangyan District, Taizhou, Zhejiang, China
Postcode: 318020

The working principle of blow moulding machine

The blow molding machine can be heated to make the preformed products plasticizing, then into the mold blow molding, this method is mainly used for high-speed and high production of pet bottles and Bopp bottle production, that is, two-step process; blow molding can also be combined with injection molding technology to become injection-pull blowing machine, which is a common way to produce pet containers Plastic in the screw extruder is melted and quantitative extrusion, and then through the mouth film molding, and then a wind-ring air cooling, and then traction machine at a certain speed traction, winding machine will be coiled into a coil.

After the liquid plastic is sprayed out, the wind blowing out of the machine, the plastic body is blown to a certain shape of the mold cavity, thus making products, this machine is called blow molding machine. Plastic Parison hot placed in the mold, closed mold immediately after the compressed air into the parison, so that plastic parison blown up and close to the mold wall, through the cooling demoulding, that is a variety of hollow products. The manufacturing process of blown film is very similar to that of hollow product, but it does not use mould, from the angle of classification of plastic processing technology, the molding process of blown-plastic film is usually included in extrusion.

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