Instead of cutting off a part of plastic material by machine tools, knives and other mechanical processing means to obtain the required shape and size, the plastic sheet (plate) is heated, and the sheet (plate) is deformed by mold, vacuum or pressure to achieve the required shape and size, supplemented by supporting processes to achieve the application purpose.
Extended data:
First, the basic method of thermoforming
There are many methods of thermoforming plastics, which can be divided into two categories according to the forming force: compression molding and differential pressure molding. According to the forming die, it can be divided into single convex die, single concave die, closed die and no die.
Compression molding, also known as mechanical stretching molding, is a molding method in which plastic sheets are molded into various parts by external mechanical pressure or self-weight.
The male mold means that the shape of the mold is convex, and the female die means that the shape of the mold is concave. The mold only shapes one side of the product, and the other side is exposed to the air, which is different from the one-step molding. This method is suitable for all thermoplastics.
Second, the main application
1, plastic packaging industry (blister packaging, plastics, batteries, toys, gifts, hardware, household appliances, electronics, stationery and decoration)
2. Food packaging industry (fast food boxes, fruit bowls, biscuit boxes)
3. Pharmaceutical industry (pill packaging, tablet packaging)
4, industrial cooling tower cooling water deflector, etc.
5, decorative three-dimensional relief patterns, plastic ceilings, siding, automotive materials, bathroom equipment and other manufacturing industries.
6. Suitable for producing various color plates: polyethylene PS, polyvinyl chloride PVC, plexiglass, ABS, polymethyl methacrylate; Flocking sheet; Environmental protection sheets APET, PET, PP, etc. Photodegradable materials; Plastic products, such as biodegradable materials.
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