How is the blow molding machine defined? How is the craftsmanship?

The definition is simply a machine. In detail, it is a machine that produces hollow containers. Generally, there are two types, pneumatic blow molding machine and hydraulic blow molding machine. Pneumatic generally produces less than 10L, while hydraulic pressure is generally considered to be more than 10L, because his High energy consumption. In a broad sense, bottle blowing machines include blow molding machines, blow molding machines, injection blowing machines and the more commonly used two-step blow molding machines! At present, most of the blow molding machines are still two-step blow molding machines, that is, the plastic raw materials must be made into preforms before blowing. Nowadays, environmentally friendly plastics made of PET are commonly used. Blow molding machine: After the liquid plastic is sprayed out, the wind blowing from the machine is used to blow the plastic body to a certain shape of the cavity to make a product. This machine is called a blow molding machine. It is also a type of blow molding machine, that is, a hydraulic blow molding machine. The tubular plastic parison obtained by extrusion or injection molding of thermoplastic resin is placed in a split mold while it is hot (or heated to a softened state), and compressed air is introduced into the parison immediately after closing the mold to blow the plastic parison. It expands and sticks closely to the inner wall of the mold, and after cooling and demoulding, various hollow products are obtained. The process The blow molding process began to be used to produce low density polyethylene vials during World War II. In the late 1950s, with the birth of high-density polyethylene and the development of blow molding machines, blow molding technology was widely used. The volume of hollow containers can reach thousands of liters, and some production has adopted computer control. Plastics suitable for blow molding include polyethylene, polyvinyl chloride, polypropylene, polyester, etc., and the obtained hollow containers are widely used as industrial packaging containers. According to the method of parison making, blow molding can be divided into extrusion blow molding and injection blow molding. The newly developed ones include multi-layer blow molding and stretch blow molding. The company mainly produces automatic blow molding machines
In the past few decades, plastic bottle machine production has increased because of the use of bottle blowing machine.
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