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Reasonable selection method of bottle blowing machine
With the continuous improvement of people's living standards, people often use many different bottles in their lives. Take some beverage bottles as an example. They are not only convenient for people to carry, but also very convenient to use. These bottles are mainly made by bottle blowing machines. They mainly use various plastic particles to soften and convert them into liquids, and then blow them into bottles of different shapes according to different molds, which brings certain benefits to people's use in life. So, how should people choose a suitable bottle blowing machine?
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26
2023.07
Common technical problems of PET bottle blowing machine
The blow molding process is a bidirectional stretching process, during which the PET chain is bidirectionally extended, oriented and arranged, thereby increasing the mechanical properties of the bottle wall, improving the tensile, tensile and impact strengths, and having good air tightness. Although stretching helps to improve strength, it should not be overstretched. The stretch-blow ratio should be well controlled; the radial ratio should not exceed 3.5-4.2, and the axial ratio should not exceed 2.8-3.1. The wall thickness of the preform should not exceed 4.5mm.
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26
2023.07
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