3D printing in the micro range
BMF shows MicroArch 3D printer
Boston Micro Fabrication (BMF) is presenting its 3D printers for the micro range at Formnext. Suitable for both prototypes and end products, the MicroArch series 3D printers push the boundaries of resolution, accuracy and precision of additive manufacturing technology and promote miniaturization with new applications in many industries. Compared to conventional manufacturing processes, the 3D printers offer advantages in terms of design and topology, manufacturing costs and lead times.
They are based on the projection micro-stereolithography (PµSL) process developed by BMF, which combines the advantages of digital light processing (DLP) and stereolithography. A flash of light triggers the rapid photopolymerization of an entire layer of synthetic resin. Continuous exposures increase the working speed. The components are built up from top to bottom in a resin basin, which reduces the need for support structures. The resolution of the optics, the precision of the mechanical components, the exposure control and the resulting curing enable resolutions of up to 2 µm and a scale accuracy of +/- 10 µm. BMF offers an open, UV-curable material system for this technology for numerous desired properties. These include synthetic resins that are stiff, tough, highly temperature-resistant, biocompatible, flexible or even transparent. In addition to technical and biomedical plastics, hydrogels and composite resins containing ceramic or metal particles can also be used.
The MicroArch 3D printers are divided into three series according to the achievable resolution. The entry-level model P150 with a resolution of up to 25 µm and low investment costs is suitable for small, detailed parts. The second series comprises printers with a resolution of up to 10 µm and a large installation space for industrial applications. Printers such as the MicroArch S230 offer the highest resolution of up to 2 µm.
Formnext: Hall 11.1, Stand B38
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