Blow molding machine and blow bottle machine difference

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Blow molding machine and PET bottle blowing machine are two kinds of equipment that we often confuse. Many people think these two kinds of equipment are the same, but they are really different. This article will take you to understand the difference between blow molding machine and bottle blowing machine.

Intuitively from the name we can see the difference between them, bottle blowing machine is blowing bottle machine;  A blow molding machine is a device for blowing plastic products.

Introduction to blow molding machine

Blow molding machine is the thermoplastic resin extrusion or injection molding tube plastic billet, while hot placed in the split mold, closed immediately after the mold into the compressed air, the plastic billet blowing and close to the inner wall of the mold, after cooling stripping, that is, to get a variety of hollow products.

Introduction to bottle blowing machine

Bottle blowing machine is a machine that blows recycled plastic or bottle embryo into empty bottles according to certain processing methods.  Blow molding machine production side is divided into two – step and one – step method.

The two-step bottle blowing machine needs to make the plastic raw materials into the bottle embryo first, and then carry out the blowing.  There are manual and tube blank storage and shipment stage in the middle.

One-step bottle blowing machine can carry out the detailed production process from blank injection to injection molding on one machine at a time, without secondary heating and saving energy.

So although blow molding machine and blow bottle machine literal difference is not big, but in essence there is still a big difference.

Blow molding machine and blow bottle machine difference

Not only the working principle is different, the characteristics of blow molding machine and blow bottle machine are not the same, the product wall thickness produced by blow molding machine is uniform and does not need to be modified, and the product has no suture line, the waste side waste is less, and the production of blow molding machine requires two molds.