The industrial 3D printing technology, Multi Jet Fusion, can produce fully working prototypes made of nylon in as little as one day. These prototypes can also be used in the final manufacture of parts. Compared to methods such as selective laser sintering, the products have superior surface finishes, finer feature resolution, and more consistent mechanical properties.
- A
superior surface polish.
- Finer
details.
- More
consistent mechanical qualities.
- Quicker manufacturing times.
It provides a highly polished surface finish but with many defects. The second is called selective laser sintering, which relies on vertical deposition. This provides a good part with fewer surface defects and higher resolution than the rapid prototyping process. The third is the multi jet fusion 3d printing process, which can be used to produce prototypes with a wide range of specifications. This process differs from the previously listed processes in depositing material on each layer using an inkjet-type head.
This technology is ideal for
applications where every detail counts, such as in the aerospace and automotive
industries. They also offer a high level of design flexibility, where one part
can be used to produce other parts that are not identical to it. The result
provides a fine surface finish with fewer surface defects, finer details, and a
greater ability to replicate complex shapes than other technologies accurately.
How does Multi-Jet Fusion work?
An inkjet array is utilized in multi jet fusion printing to apply selectively welding and detailing compounds across a bed of nylon powder. These agents are subsequently melted together into a solid layer by heating elements. Following the completion of each layer in the MJF 3d printing service, the powder is sprinkled across the top of the bed, and the process is continued until the component is finished.
The entire powder bed and encapsulated pieces are transported to a processing station when the build is complete. Most loose powder is extracted using an inbuilt vacuum, and the bed is cleaned. After that, the parts go through a process called bead blasting, which removes any remaining powder residue and ultimately brings them to the finishing section, where they are colored black to improve their visual appeal.
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