During the molding process itself a sheet is clamped into a frame that holds it like a piece of glass in a window frame.
Thermoform glass into abs sheet.
Abs produces detailed parts that are tougher and more rigid than other plastics.
This is the simplest thermoforming technique.
Once the sheet is heated the container can be formed using different methods.
At that temperature the sheet becomes quite rubbery and will stretch with ease.
Abs thermoform plastic sheets due to its low cost and superior physical properties abs acrylonitrile butadine styrene is one of the most popular thermoform plastics used for vacuum forming.
Vehicle makers favor this integral color approach because it bypasses the cost and environmental challenges of painting.
As the sheet touches the mold surface it cools down causing that part to stop drawing.
A second opening for thermoforming springs from improvements in combinations of abs sheet with a weatherable cap layer that can provide high quality even class a decorative performance.
The heated sheet is stretched into shape on the mold surface.
This selection of materials are best known for their excellent formability in addition to their individual traits of toughness chemical resistance and heat resistance for example.
Since most stretch forming operations don t involve a lot of stretching wall thickness of the final part is relatively uniform.