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Bending Plexiglas and Polycarbonate

Thermoplastics (e.g. plexiglass or polycarbonate) are bent by local or full-body heating of the material to be bent and its subsequent insertion into a mould or jig which ensures bending to the desired bending angle.

Acrylic forming and shaping, acrylic bending

Plexiglas and polycarbonate are thermoplastics. This property is used in shaping and bending of Plexiglas or bending of polycarbonate. We deal with shaping and bending of thermoplastics on modern bending machines. Depending on the size of the material to be heated We divide bending into specific types. superheating

Bending by local heating of the material

We are able to bend material up to 2000 mm wide and material thickness up to 20 mm. The bending is done by local heating of the material (a certain band) and bending it in the jig to the desired angle or shape.

The following materials are commonly bent by local heating:

  • bending of Plexiglas XT and GS
  • bending polycarbonate PC
  • PET-G and A-PET bending
  • Bending of forex and foamalux (lightweight PVC)
  • Bending of polypropylene plates,
  • and many other thermoplastic materials

Demonstration of our equipment for local heating of plastic sheet material

Plexiglas bending, polycarbonate bending, product demonstrations:

Plate bending, bending of plastics into curves

Flat bending of plexiglass and polycarbonate (generally thermoplastics) is considerably more complex, but not unrealistic. In this type of bending, a plate of material is placed in a special tempering oven. The shaping of the material in the furnace is ensured by a pre-made positive or negative mould into which the material slowly lays and copies this mould. This achieves an arc radius according to the produced mould (copying of the mould arc by the material). The material is not heated locally, but all over.

We make all the moulds for the production of complex bent parts ourselves. Our years of experience allow us to make the appropriate choice of mould production (positive or negative mould) to achieve the correctness of the desired shape (curve) in the best possible manufacturing tolerance.

Flat bending of plexiglass and polycarbonate, bending in a tempering oven:

Acrylic bending principle

If we bend acrylic with short overlap, say 30mm, deflection occurs.

Deflection is caused by local heat treatment and subsequent tension within material after flexion.

Acrylic drying

Acrylic and polycarbonate are known for their negative feature and that is they spontaneously absorb air humidity. Acrylic materials must be dried in furnaces before bending to avoid bubbles once locally heat treated for bending.

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