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Working principle of blister packaging machine

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Children are learning packaging machinery recently, but they don’t know much about mechanical equipment.

principle of blister packaging machine: this forming process mainly uses the vacuum suction generated by the vacuum pump to blister the heated and softened thermoplastic sheets such as PVC, pet, PETG, APTT, PP, PE and PS into various shapes of vacuum cover, blister tray, bubble shell, etc. I learned it in huishangbao encyclopedia. I hope my answer is helpful to you. Thank you!

high frequency electric field acts on plastic materials in its electric field, causing molecular polarization. These polarized molecules are forcibly arranged according to the direction of the electric field. The rapid change of high-frequency electric field makes these molecules follow the change at the same extremely fast speed. Thus, the dielectric material generates a large amount of heat due to dielectric loss. These heat build-up and build-up will form a high temperature and eventually melt it
therefore, if we place plastics such as polyvinyl chloride between the electrodes and apply a certain pressure, they will certainly be formed and fixed after melting and cooling for a period of time
with this feature, high-frequency embossing or high-frequency molding can be realized, and two or more plastics can be fused and bonded together
high frequency plastic heating machines can be divided into high-frequency plastic heat sealing machines, high-frequency welding machines, high-frequency blister packaging machines, high-frequency embossing machines, or embossing machines according to their purposes.

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