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carbon composites heisspress


Meets the highest demands on production and processes

Certified compliance with customer specifications

Short response and production times

Documentation to meet the most stringent regulatory requirements


Porsche Technology- and Developmentpartner. 
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Hot Press Process

For high-volume, geometrically simple components

The hot press process is used for geometrically flat components with a high degree of reproducibility and surface quality.

Strengths of the hot press process:

  • reproducible fiber deposit
  • high fiber content
  • high surface quality
  • polydimensional shaping, precise geometry
  • high temperature resistance
  • short cycle times

In the hot press process, prepregs are hardened in a press mold. They are then cut to size on the cutter and laid into a mold layer by layer (pre-laminated) in the desired sequence and alignment - until the desired layer structure is achieved. The filled mold is then locked into a heated press. A counterplate or a plunger made of elastomers can be used as a plunger. Similar to deep drawing, the material can move when there are complex curved surfaces - we take this problem into account already in the design phase. Depending on the material and product, hardening can take anything from a few minutes to 2 hours. The component is then removed from the mold and processed further.

CONNOVA has the right expertise and resources for the hot press process:

  • controlled high temperature presses
  • high-quality, temperature-resistant molds
  • CNC cutting room for precise and efficient cutting to size
  • controlled freezing units for secure storage of unhardened prepregs

The hot press process is used

  • in aviation: lining parts, interior finishing
  • in car building: decorative and cowling parts, screens
  • in mechanical engineering: fittings, covers, fast-moving machine parts
  • in medical engineering: prosthetics (walking aids outside the body)
  • for sports equipment: skis, bats

Aerospace + Aviation

Industry + Automation


Medical Technology