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COMPRESSION MOULDING TECHNOLOGY BRINGS MATERIAL INTO SHAPE

Compression moulding technology is ideally suitable for the manufacture of components which are to be produced in large quantities. There are two fundamental forms of compression moulding technology: thermosetting and thermoplastic processing.

Hoisting plugs / Urn made from organic fibre composite / Industrial safety helmet, organic fibre composite

Thermosetting base products
Thermosetting base products can be either pre-impregnated fibre layers (prepregs), or dry fibre materials which are moistened with resin and then impregnated during the compression process. Once the mould has brought the base product into the required geometry, the liquid matrix then cures under the influence of pressure and temperature. This creates a stable component which can subsequently be demoulded and further processed.
 
Thermoplastic base products
Thermoplastic base products are initially heated in an oven to enable further processing. The matrix thereby becomes molten. Following transfer to the pressing tool, the press is then closed, activating the required moulding process. The base material, which consists of a thermoplastic polymer and reinforcing fibres (for example the so-called organic sheets), cools simultaneously, whereby the molten material solidifies. At the end of the process, a dimensionally stable component can be removed from the press.

Press 1:

  • Table area: 800 x 800 mm
  • Closing pressure: 800 kN
  • Distance between shelves: 800 mm
  • Tool-side heating and cooling

Press 2:

  • Table area: 500 x 500 mm
  • Closing pressure: 40 kN
  • Distance between shelves: 400 mm
  • Heating/cooling plates electrically heatable to 250 °C
  • Water-cooled

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