Exentis introduces product solutions to print customised parts on a large scale. They particularly include customised solutions in the fields of industrial parts, life science, biotechnology, and renewable energy sources.
In contrast to familiar 3D rapid prototyping, i.e. the rapid production of individual items and small series, the 3D screen printing technology offers huge benefits when manufacturing complex structures and large numbers of items. Enclosed channels can be freely integrated in the 3D structure in 3D screen printing and structure dimensions from 60 µm upwards can be handled. Fine layers are printed on top of each other. A drying stage is used before the next layer is added. Complex geometrical structures can be produced by automatically changing screens. The metallic or ceramic parts printed in this way are then sintered.
The Exentis 3D screen printing technology enables porosity levels of between 0 and 40% for parts. As a result, parts with web thicknesses and cavities as small as 40 µm can be produced. Complex structures with undercuts and enclosed hollow areas can be handled without any supporting structure; as a result, 3D screen printing offers clear advantages over other generative production processes.
The productivity of the 3D screen printing process is similar to injection moulding, but it is possible to freely select the materials. In addition to metals and alloys based on steel, copper, aluminium, titanium, refractory, metals or rare earths, the 3D screen printing process can even cope with ceramics, glass, polymers, organic substances and biomaterials. Due to the layered form, different materials can be combined in the form of lamellar structures. Mastering material sciences is crucial here.