Binder Jetting, also known as 3D printing, is an additive manufacturing technology that uses the selective application of binding fluids to bond powdered materials in layers. In simplistic terms, the technology is similar to a classic inkjet printer.
But instead of applying ink to a sheet of paper to create a two-dimensional product, Binder Jetting 3D printing systems work in a three-dimensional powder-bed approach by selectively and precisely bonding individual layers of powder together to create a three-dimensional product.
The Binder Jetting process
As with most additive manufacturing processes, Binder Jetting is also based on digital CAD data sets. These are “sliced” by the print software into extremely thin layers. Two key components then work together in the printing system: the recoater and the print head. The recoater applies a micrometer-thin layer of powder material to be printed onto a building platform.
The print head then passes over the platform and selectively applies a binder to those areas of the building platform where the component is to be printed according to the sliced data set. The platform is then lowered by exactly one layer thickness and the recoater applies a new layer of powder, which is again selectively bonded by the print head.
These process steps are repeated until the component is completely printed within the powder bed. The component can then be unpacked from the box and cleaned of excess, non-bonded material.
Binder jetting from voxeljet ensure competitive advantages - technically and economically.
Almost any powder material can be bonded with a complementary binder. No matter if sand, ceramic or plastic.
Due to layered-based printing, even the most complex part geometries can be realized. The powder bed has a stabilizing effect so that no support structures are necessary.
Thanks to the possibility of using industrial printing modules, Binder Jetting systems can achieve very high printing speeds.
Piezoelectric print heads are characterized by outstanding precision and edge sharpness.
The Binder Jetting process technology can be easily scaled to larger output margins by enlarging the print heads
Due to the high material variety, the material sets of the Binder Jetting systems can be adapted to existing production environments in order to integrate them into existing value chains.
voxeljet is one of the pioneers of the first hour when it comes to establishing 3D production processes in professional or industrial environments. Whether you want to produce design models, functional models, cores and molds for investment or sand casting. In plastic, ceramics or sand. Our powder binder jetting process, which were specially developed for industrial use, are among the best the market has to offer worldwide. Especially when volume, efficiency and speed in production are important. Our 3D printer support a wide range of material combinations for even greater flexibility.
Our processes are furan resin based (FDB or ODB), phenolic resin based (PDB) or water glass based (IOB) and are ideal for the high quality requirements of the foundry industry.
In addition to classic quartz sand, we offer cerabeads and chrome ore with different grain sizes.
The finishing is done by epoxy resin infiltration or sealing.
Our processes PolyPor B and PolyPor C are optimal for the additive manufacturing of plastic components.
Our plastics processes can be used to print standard polymethyl methacryate (PMMA).
The finishing is done by epoxy resin infiltration, cold or hot wax infiltration.
Our ceramic processes are phenolic resin-based processes (PDB) and water based (CDB) are optimal for the production of complex and filigree cores or molds.
With our ceramic processes, silicate (SiC) and oxide (AIO2, TiO2, ZrO2) based ceramics can be printed.
Post-processing can be done by drying or impregnation with subsequent sintering in an oven.
With maximum metallurgical and casting know-how. In well-established processes, voxeljet realises projects quickly, economically and in accordance with German quality standards with experienced network partners from the foundry industry. In aluminium, magnesium, steel, iron, titanium and bronze.
Which application areas are suitable for binder jetting 3D printing?
Since in theory almost any powder material can be printed, the application possibilities of Binder Jetting technology are almost universal. We at voxeljet have specialized in sand and plastic materials for metal casting applications, ceramic material sets and polymer applications.
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Industrial 3D Printing Systems
Our portfolio of industrial 3D printer ranges from compact systems for research to additive mass production.