The blow molding process began to produce low density polyethylene vials during the Second World War. In the late 1950s, with the birth of high-density polyethylene and the development of PET Blowing Machine , blow molding technology was widely used. Hollow containers can be up to several thousand liters in volume, and some have been computer controlled. Suitable plastics for blow molding include polyethylene, polyvinyl chloride, polypropylene, polyester, etc., and the resulting hollow containers are widely used as industrial packaging containers.
Blow Molding Machine is the machine that blows the bottle. The most obvious explanation is the machine that can blow plastic pellets (softened into liquid) or finished preforms into bottles by certain means.
The blow molding machine is convenient and quick, and has a large amount of molding. After it appears, it replaces most of the artificial blowing bottles and is used by most beverage companies.
According to the parison making method, blow molding can be divided into extrusion blow molding and injection blow molding, and newly developed ones have multi-layer blow molding and stretch blow molding.
Features of auto bottle blow moulding machines
- Labor saving:
Labor saving: only one operator is needed for its high automation: the bottle blow moulding machine is controlled by micro-computers and each production process is equipped with self-locking functions which ensured safety production.
- Energy saving and cost saving:
ShenZhen J&D Drinking Water Equipment Co.,Ltd. automatic bottle blow moulding machine adopted a high pressure clamping system with automatic pressure adjustment function. This system can help guarantying that the mold sealing is under condition of 100% air tightness before blowing and help avoiding air energy loss owing to incomplete air tightness. Such an effective control over air energy and power further helps saving production cost.
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