Composites

Composites, FRP (Fiber-reinforced plastics)

The material with maximum flexibility for organic sheets, which need be lightweight and simultaneously need to have high stiffness and stability.

Fiber-reinforced plastics (FRP) consist of a matrix and a fiber part. The matrix is a thermoplastic either as rough material (polymer, granulate or powder) or as semi-finished product (foil, polymer fiber, etc.). The needed fiber is either glass or carbon as rough material, strand, twine, or roving as rough material or as semi-finished product, or a semi-finished fiber like mat, fleece, tissue, scrim, etc.

2 + 2 = 5! Composites perform together better than the single raw material. Only through the connection between the thermoplastics matrix and the textile, a very strong and stiff material can be produced which is simultaneously lightweight and has a low density.

Advantages of the material:

  • very lightweight construction potential through excellent weight-related stiffness and stability
  • FRP Composites have many desired physical properties
  • tailor-made materials can be realized
  • great creative freedom and flexibility within the product

 

CCM Molding System

CCM Molding System

 

CCM Molding System

We develop, design, and build machines for composites with the Continuous Compression Molding (CCM) system since more than 15 years.

Continuous Compression Molding (CCM) is an intermittent but continuous production process to consolidate fiber, tapes, UD-tapes, etc. (glass fiber, carbon fiber, aramid fiber, natural fiber etc.) with a thermoplastic matrix (PP, PPS, PEKK, PEEK, PA, etc.). With this process, organic sheets with high mechanical resistance at an extreme low weight (composites or profil) can be produced.

Depending on product requirements, different material combinations and layer structures can be used. The CCM process makes an almost endless production possible: the feeding unit, which cyclical opens and closes pulls the material through the press unit. Precisely regulated laminate pressures up to 25 bar as well as temperatures of maximum 420°C allow the production of semi-finished products (organic sheets) as plates or profiles.

The CCM process offers different manufacturing processes based on the material combinations. Film-Stacking or UD-tapes are used to produce high quality polymers. If the customer likes to manufacture cost-effective fiber reinforced composites, the direct injection of the matrix is suitable.

Semi-finished products produced with the CCM process have a degree of porosity less than 1% with a very low dimensional tolerance. The semi-finished products can be processed with the hot-forming or mechanical process.

We distinguish within the CCM technology between a Single-Stage Press, used for the production of plates and simplified profiles, and the Double-Stage Press, which is used to producing profiles.

 

Single-Stage Press

Produced geometry: Platten  theoretically possible with additional development efforts: Vereinfachte Profile

Possible mold sizes: width up to 1270 mm, length almost ∞

Laminate thickness: up to 10 mm

Laminate pressure: 25 bar

Production speed: up to 150 m/h (depending on layer structure and material)

Maximum temperature heating zone: up to 450 °C

Temperature cooling zone water: up to 140°C

Temperature cooling zone oil: up to 350°C

 

Double-Stage Press

Produced geometry:  Profile  

Possible mold sizes: width up to 310 mm, height up to 220 mm, length almost ∞

Laminate thickness: up to 10 mm

Laminate pressure: 25 bar

Production speed: up to 35 m/h (depending on layer structure and material)

Maximum temperature heating zone: up to 450 °C

Temperature cooling zone water: up to 140°C

Temperature cooling zone oil: up to 350°C

 

 

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Waldshuter Straße 15
78176 Blumberg - Germany

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