Powder bed-based 3D printing is an additive manufacturing process in which a liquid binder is selectively ducted onto a layer of powder using an inkjet print head. The binder reacts chemically with the powder and solidifies it. Components are built up successively in an iterative cycle consisting of depositing a thin layer of powder and selective printing.
For the research at the AMLab, a test rig is used, which can be modified almost freely. The system is predestined for laboratory-scale investigations with an installation space of 110 x 250 x 95 mm³ and a Spectra print head with 128 nozzles. Expandability with a second printhead and an integrated disperser system enable multi-material processing. In addition, the system has been expanded to include a suction module and a pick and place system for automated integration of technical components into the parts during the process. The focus of current research work is on material and process development as well as multi-material processing.
- Wide range of potentially usable materials
- High economic efficiency due to comparatively short shift times and favorable plant technology
- Very large systems can be realized (currently up to 4 x 2 x 1 m³)
- Continuous printing process possible
- Multi-material processing and colored component design possible