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The preform (embryo) is irradiated with infrared high-temperature lamp tube, and the bad (embryo) body of the preform (embryo) is heated and softened. Cooling device for cooling operation.

Blow molding of mineral water bottle blowing machine

During this period, the preheated preform (preform) is placed in a blow mold that has been prepared, and the high-pressure inflation is performed inside it. Blow the preform (preform) into the desired bottle.

The automatic bottle blowing machine for mineral water bottles combines the two operations of bottle blowing through the operation of the manipulator to eliminate the process of manually putting the preheated preform into the blow mold by the center. Greatly accelerated the rate of production.

Mineral water bottle blowing machine

Second, the process of mineral water bottle blowing machine

The blow pet blowing machine parts process of the blow molding machine is a bi-directional stretching process. In this process, the PET chain is bi-directionally extended, oriented and placed, thereby increasing the mechanical properties of the bottle wall and improving the tensile, tensile, and impact strength. And has excellent air tightness. Although stretching helps to improve strength, it should not be stretched too much. It is necessary to control the stretch inflation ratio: do not exceed 3.5 to 4.2 in the radial direction and 2.8 to 3.1 in the axial direction. The wall thickness of the preform should not exceed 4.5mm.