Fraunhofer Institute for Machine Tools and Forming Technology
Fraunhofer Institute for Machine Tools and Forming Technology
© Bernd Müller/Fraunhofer

© Bernd Müller/Fraunhofer

Metal Foam Center

Crossbeam of a milling machine in the field of large-sized tool and mold making (Dynapod)

Crossbeam of a milling machine
  • Steel – Aluminum foam – Steel – Sandwiches
    • Steel 3 mm, Foam 29 mm
    • Dimensions: 1 182 x 1 179 x 35 mm³
  • Comparison of constructional variants
    • Steel design: mass 6,3 t, deflection under own weight
      34 µm
    • Sandwich construction: mass 6,6 t, deflection under own weight 14 µm

Z-slide of a HSC-milling machine

Z-slide of a HSC-milling machine
  • reduction of slide mass up to 28 %
  • raising of the dynamical stiffness and of the damping
  • first series application of a machine tool assembly in Steel-Aluminum foam-Sandwich-design