This process produces components based on UV-sensitive ceramic suspensions. In each layer, a UV laser scans the component geometry, causing the suspension to cure at the exposed points. Subsequently, a height offset takes place so that the next layer can begin.

WZR uses the “Form 2” device from Formlabs for this purpose. The maximum component size is 145mm x 145mm x 175mm. Currently, recipe developments are being carried out for different ceramic materials, such as Al2O3.

The template provides a CAD file (in STL format) of the component to be produced, which is then divided into slices with the corresponding layer thickness.

A great advantage of the process is the high resolution of the system. With a laser beam diameter of 140pm and layer heights of 25pm even very complex and filigree components can be produced.

The component created by this process is removed from the building platform after manufacture and then debound and fired to give it its final properties.





Advantages

High resolution (laser diameter: 140pm, layer height: 25- 100 pm) High strength Low porosity

Disadvantages

Depending on the geometry of the building, supports are necessary for overhangs Low Building speed Clearly recognisable Traces after removal of the supports
-> postprocessing usually necessary