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Why are PET blow molding machines so popular in the industry?
2021 / 09 / 24
PET multifunctional plastic bottle blowing machine is suitable for blowing carbonated beverage bottles, mineral water bottles, cosmetic bottles, oil bottles, space cups, medicine bottles, etc. Plastic hollow containers (PET.PC.......) Infrared multifunctional plastic preform heaters are Three-phase four-wire 380V power supply (220V power supply can also be used), the machine is divided into seven heating tubes, divided into four heating zones, electrical heating control elements are installed in the electrical box, the preheating time is generally about 5-8 minutes , The temperature is conveyed by the electric thermocouple to the temperature controller for automatic temperature control, so that the temperature in the heating box is controlled steadily, and the infrared penetrating power is strong. The heating is uniform. Fast and reliable to ensure the ideal heating effect of the preform. Production is carried out after one lap, and the specific temperature is adjusted according to the bottle forming needs.
PET Automatic Blow Molding Machine Sent To Peru
2021 / 09 / 18
Today, we are loading two cavities automatic plastic bottle blow molding machine whole production line machines, including one main machine, one unscreambler, one hopper, two air compressors, one air dryer and one water chiller. Besides, we also load 28 pco high neck PET preform together with the machine. Hope our customer can use our machine to make more beautiful bottles and get more orders. If you are interested in this machine, feel free to contact with us. Whatsapp:+86 15355669963 Email:shirley@watongroup.com
How is the development of bottle blowing machines in recent years
2021 / 09 / 17
The field of bottle blowing machine industry is very large, and all kinds of bottles in daily life need to be made by blowing mechanism. The blow molding machine is a device to make plastic particles into hollow containers through the blow molding process. Because of its light weight and low price, high safety, convenience and quickness, and large molding volume, its products have replaced most manual blow moldings once it came out. Used by most beverage companies. At present, the more common types of machines include one-time hollow extrusion blow molding machines that use PP and PE, injection stretch blow molding machines that use PET, PC or PP twice molding, and the newly developed multi-layer hollow extrusion blow molding machine. Stretch blow molding. After decades of technology accumulation and precipitation, my country's plastic bottle blowing machine technology development has made certain breakthroughs. With the development of the plastic processing industry in the direction of extreme, precision, and high-speed, the related plastic blow molding machine also shows the development characteristics of high efficiency, multi-function, and low energy consumption.
What are the common technical problems of PET blow molding machine
2021 / 09 / 16
First, The blow molding process is a two-way stretching process. In this process, the PET chains are extended, oriented, and arranged in two directions, thereby increasing the mechanical properties of the bottle wall, improving the tensile, tensile, and impact strength, and have a lot of Good air tightness. Although stretching helps to increase the strength, it should not be overstretched. The stretch-inflation ratio should be controlled well; the radial direction should not exceed 3.5-4.2, and the axial direction should not exceed 2.8-3.1. The wall thickness of the preform should not exceed 4.5mm. Second, The bottle blowing machine is carried out between the glass transition temperature and the crystallization temperature, and is generally controlled between 90-120 degrees. In this interval, the PET behaves as a high-elasticity, rapid blow molding, and a transparent bottle after cooling and setting. In the one-step method, this temperature is determined by the length of the cooling time in the injection molding process for the PET bottle blowing machine, so the relationship between the injection and blowing stations must be connected. Third, In the blow molding process,pet blow machine there are: stretching-blowing once-blowing twice. The three actions are very short, but they must be well coordinated, especially the first two steps determine the overall distribution of the material and the quality of the blow molding machine. Therefore, it should be adjusted well; stretching start timi
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