Bending of plastic
Plastic sheets can be bent by either heating or cold bending.
Which method is used depends on the material and the desired quality
Bending of plastic sheets can be used for technical parts, such as slides and shields,
and promotional items like sale displays and showcases.
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Heat bending and laser cut acrylic brochure dispenser.
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Heat bending plastic
When heat bending plastic, sheets are heated until they becomes soft. The sheets can then be bended and is maintained in position
during cooling. The plastic will then keep the shape. Heat bended plastic is not in anyway damaged, and the strength is as great as if the material was cast in the same shape.
In principle, all types of thermoplastics can be heat bended, but some types are more suitable
than others. Eg it is difficult to keep the temperature right when bending PEHD 1000
Induflex mainly heat bent the materials
Acrylic
, PEHD 500 and PC.
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Heat bent and glued 8 mm acrylic
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Laser cut and heat bent PEHD 500
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Cold bending of plastic
Cold bending of plastic sheets is done in the same way as with metal, but plastic is
more difficult to handle and there is the risk that tensions will make the sheet partially bounce back.
But cold bending can be done faster and cheaper than heat bending. Furthermore, it is
possible to cold bend different types of polyester.
Typical materials which are cold bended are PEHD and PC. Acrylic can not be cold bent.
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Cold bent battery holder made in 1 mm Vivak
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Our bending machines
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Bender
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Bending length
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[mm]
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Shannon heat bender
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1200
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Shannon heat bender
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2000
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Shannon heat bender
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3000
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Custom built, water cooled
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1000
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Heat bending
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Bending of plastic
Heat bending plastic
Cold bending of plastic
Our bending machines
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