GEISS Glossary
Pressure forming
Pressure forming is a specialised thermoforming process in which a heated plastic sheet is pressed into a mould using both compressed air and vacuum. A defined overpressure – often as little as 1 to 2 bar – acts evenly on the sheet surface, resulting in particularly fine structures and high detail accuracy.
Advantages and applications of pressure forming
Compared with vacuum forming, pressure forming allows improved reproduction of fine details as well as greater process stability, particularly with complex geometries or demanding surface requirements.
The process is particularly suitable for high-quality visible and functional parts in the automotive industry, medical technology or equipment manufacturing. GEISS offers customised thermoforming machines specifically designed for use with pressure forming.
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