1. mold making and processing: According to the requirements or sample specifications, first make a good plastic mold, under general conditions, are the use of plaster making blister packaging mold, but also useful for wood carving and metal engraving products for mold, plaster mold made well After that, allow it to dry completely or dry, and then use the 1-2 mm drill to drill many small holes in the low-concave position that will not affect the appearance of the product according to the specific conditions of the surface of the product. If it is a product like a box , Drilled holes in the periphery to allow the air to be drawn out during the production of plastic molds. After the holes were drilled in the mold, the plaster molds had to be hardened. The hardened method was to use soaking with the alum. After drying.
2. After the mold is completely dry, the mold is placed on the upper iron plate of the vacuum chamber. Then, according to the size of the mold, the plastic sheet is loaded into a suitable size, and then the sheet is placed in a heating wood cabinet to completely fix it. Then, the wood cabinet is softened with the plastic sheet set on a constant temperature furnace.
3. Place the softened plastic sheet together with the wooden cabinet in a vacuum chamber, activate the suction switch, suck the vacuum indoor air and clean it, and after the plastic sheet is cooled, obtain the same concave package or process mold as the mold.
4. blister packaging and finishing; the product will be trimmed to finish the product is finished, and then after the package can be sold
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