HANNOVER MESSE 2019, 01 - 05 April
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Sensing for additive manufacturing

Integrated sensing for additive manufacturing

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4TU Federation

Exhibitor details
Exhibitor details
Logo Sensing for additive manufacturing
Logo Sensing for additive manufacturing
Logo Sensing for additive manufacturing

Product description

Project description (EN) Within high-tech industry, there is a demand for high-quality large-area ceramic products with complex geometries. Products like this can be manufactured using an additive manufacturing technique called stereolithography (SLA), in which layer-by-layer photopolymerization is performed on ceramic filled resins. TNO has developed a prototype SLA machine, called Lepus Next Gen, which has a unique lighting module, allowing the production of large-area ceramic products with complex geometry and fine details. Within AMsystems, a consortium of TNO and TU/e, there is ongoing research in the improvement of the Lepus Next Gen machine.

Our view is that the manufacturing process can be improved by introducing control loops into the system. This asks for the integration of actuation, sensing, and feedback control principles into the Lepus Next Gen platform. The scope of this PDEng project is selecting, designing and implementing sensing systems into the prototype SLA machine. These sensors will monitor the manufacturing process which will provide data for corrective actions during the manufacturing. Two opportunities for sensing and control are identified:
- On the layer deposition step, local errors in layer thickness should be corrected. This requires 2D surface topography sensing.
- On the photopolymerization step, local errors in degree of cure should be corrected. This requires 3D degree of cure sensing.

Product website

Hall 2, Stand C12

Dutch Pavillion
(Main stand)

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