The blister molding of the blister packaging machine used in the workshop consists of five parameters in total: molding upper mold temperature, preheating time, molding lower mold temperature, vacuum time and blowing time. Among them, the lower film temperature and preheating time act on the blister preforming mold, while the upper film temperature, vacuum time and blowing time act on the final blister forming mold. When the blister is formed, the lower film is pre-formed in the pre-forming mold, and then the blister is formed at the final molding die. Therefore, the pre-forming and final forming effects of the blister should be examined separately during verification.
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