Multi-material bellows

Pollen AM multi material bellows 3D printing 3D printer industrial pellets granules extrusion TPU PVOH PVA water soluble support material
Pollen AM multi material bellows 3D printing 3D printer industrial pellets granules extrusion TPU PVOH PVA water soluble support material
Pollen AM multi material bellows 3D printing 3D printer industrial pellets granules extrusion TPU PVOH PVA water soluble support material
Pollen AM multi material bellows 3D printing 3D printer industrial pellets granules extrusion TPU PVOH PVA water soluble support material
Part presentation

Destined to the automotive market, this bellows has been additively manufactured using a TPU 33 Shore D for the structure material and a PVOH (water soluble material) to support cantilever part elements.

The removal of this support material is achieved by plunging the part into a tempered water tank. This process can be accelerated by regulating the water temperature and using a water pump.
Once the support material has been removed, the bellows is fully functional with the required flexibility.

Material information
  • Supplier: BASF & Kuraray
  • Material: TPU & PVOH
  • Grade: Elastollan 1185 A & C17

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Process configuration

  • 3D printer: New Pam Series P
  • Printing time: 5h 25 mn
  • Nozzle size: Ø 0.4 mm
  • Part weight: 15.00 g
  • Layer height: 0.2 mm
  • Material cost: € 0.42