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Complex Structural Components & Tailored Fibre Placement (TFP)

Tailored composite design for complex structures

To be able to realize fibre arrangements that meet the calculated requirements concerning direction and accumulation of fibres, we developed the Tailored Fibre Placement (TFP)-Technology, numerical design methods and process software for computable complex fiber reinforced parts.     

TFP-Principle

The reinforcement structure is produced by the lay up of a single roving. This roving is fixed by stitching to the base material. The base material can be a 2D-textile such as a woven fabric or for thermoplastic composites a matrix-compatible foil material. During the process, the stitching unit is stationary and the base material is moved using numerical control. more

Fields of work

  • Optimization of strength and stiffness in variable-axial composite parts

  • Transformation of caculated requirements to fibre arrangements in preforms

  • Manufacturing of composite parts prototyps with fibre preforms aligned to stress fields

Sample applications: preforms and parts

(click to enlarge)

Equipment

Composite manufacturing

  • Tajima embroidery machine: 2 heads, large border frame area (1700 mm x 1500 mm) usable for one stitch pattern

  • Vacuum infusion technique (oven, pumps, presses)

  • Resin transfer molding (RTM) for plain specimens (350 mm x 350 mm)


Software

  • Finite element analysis (FEA): ANSYS

  • Computer-aided design (CAD): Solidworks, Inventor, AutoCAD

  • Punch software: GIS, CarbonLayer

  • Software for topology optimization: TOSCA Structure

  • Internal developments:

    • FEA tool for material optimization of curvilinear composite structures: AOPS

    • Punch software for optimization of stitch patterns for technical products: EDOPunch

Spin-Offs

Hightex Verstärkungsstrukturen GmbH
www.hightex-dresden.de

The  Hightex Verstärkungsstrukturen GmbH, the first IPF spin-off since 1998, develops and produces tailor-made, stress-adjusted, reinforcement structures (preforms) for very light, strong, and highly stiff fibre composite components.

Qpoint Composite GmbH
www.qpoint-composite.de

Qpoint Composite GmbH is a technology spin-off of the Leibniz-Institute für Polymerforschung Dresden since 2009. Based on former inventions at the IPF a young  professional team develops and produces innovative heatable composite products. Next to anti- and de-icing application core products are complete solutions for self heating composite tools.

Complex Fiber Structures GmbH
www.complex-fiber-structures.com

Since March 2013 the company Complex Fiber Structures GmbH develops software solutions for the simulation and process optimisation of variable-axial composite structures as can be manufactured e.g. with help of the Tailored Fiber Placement technology.

 

 
Complex Structural Components & Tailored Fibre Placement (TFP)
Komplexe Strukturkomponenten & Tailored Fiber Placement

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