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YUANYOU Committed to stable performance automatic PET bottle blowing machine production line since 1990s.

PET bottle blowing machine heating power control system design, PET bottle blowing machine, equipment professional production

The bottle blowing machine is a machine that blows the preforms of polyester materials into bottles through certain technological means, and is used to blow mineral water bottles, various carbonated beverage bottles and various bottled plastic hollow containers. PET bottle blowing machine generally consists of blank supply system, heating system, blowing system and other auxiliary systems. Before the blank enters the mold and begins to stretch, its heating temperature plays a vital role in the forming of the blank. In order to prevent the bottle body from appearing white, opaque, and uneven, the thickness of each position of the product meets the technical requirements. Generally, precise control is performed between 80°C and 120°C.   At present, the heating control method of the PET blow molding machine is mainly AC voltage regulation and AC power regulation to achieve output heating power. The AC voltage regulation controls the turn-on phase of the thyristor every half cycle to realize the regulation of the effective value of the output voltage. AC power adjustment takes the cycle of AC power as the basic unit. By controlling the thyristor to change the ratio of the number of on-off cycles of the thyristor, it is convenient to adjust the average value of the output power. The literature proposes an optimization scheme for the circuit topology, compares the advantages and disadvantages of phase modulation triggering and zero-crossing periodic wave triggering, and points out that it is difficult for phase modulation triggering to achieve linear power modulation. People use fuzzy PID control, internal model control, random adaptive predictive control, variable coefficient PID adjustment and other technologies to carry out theoretical research, simulation and application of PET blow molding machine temperature control. However, in practice, due to the large amount of calculation of these control methods, online calculation is difficult, and the external influence factors are more complicated, which makes it difficult to meet the actual process requirements.

Yosion Machinery have now decided to extend our company in other countries.

Yosion Machinery is the vital link in the supply chain, adding value with efficient and cost-effective service and solutions for our customers and our suppliers.

If our brand is successful and consistent, it will be much easier to initially grab customers and encourage them to purchase bottle blowing machine further.

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