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Most thermoforming companies recycle their scrap and waste plastic, either by compressing in a baling machine or by feeding into a granulator (grinder) and producing ground flake, for sale to reprocessing companies or re-use in their own facility.
The Rotoform machines were the first ever used by the Swiss group Ovotherm for the production of polystyrene (PS) egg containers. During the 1970s, Ovotherm opened several factories all over the world for the production of eggs in PS and Covema was the partner who supplied the necessary machines for thermoforming.
Thermoform packaging machines are used in larger production facilities for vacuum packaging products. Vacuum packaging in large production facilities can be done with thermoforming machines. These are Form-Fill-Seal style machines that form the package from rolls of packaging film (webbing).
A simple visualization of the forming process Vacuum forming machine to produce inner liner/food liner of refrigerator. Vacuum forming is a simplified version of thermoforming, where a sheet of plastic in various forms of High Impact Polystyrene Sheet (HIPS) for low impact products, or ABS for bathroom shower trays, and HDPE for exterior vehicle parts, plus various other types of vacuum ...
Thermoforming is a manufacturing process where a plastic sheet is heated to a pliable forming temperature, and stamped to a specific shape in a 2-part mold. Or a vacuum can be used to pull the plastic sheet onto the mold in a simplified process known as vacuum forming. The excess material is trimmed off and recycled.
These machines vary in size between small to medium compared to other rotational machines. Vertical rotational molding machines are energy-efficient, owing to the compactness of their heating and cooling chambers. These machines have the same (or similar) capabilities as the horizontal carousel multi-arm machines, but take up much less space. [8]
Microthermoforming is the abbreviation for microscopic or microscale thermoforming, or, more precisely, for thermoforming of microproducts or microstructure products. Microstructure products means products that have structures in the micrometre range and have their technical function provided by the shape of the microstructure [1].
Packaging machines may be of the following general types: Accumulating and collating machines; Blister packs, skin packs and vacuum packaging machines; Bottle caps equipment, over-capping, lidding, closing, seaming and sealing machines; Box, case, tray, and carrier forming, packing, unpacking, closing, and sealing machines; Cartoning machines