11. Building parts faster
The latest 3D printing technology to emerge for working with metal materials is MagnetoJet technology from startup, Vader Systems. In its MagnetoJet machine, the Mk 1, aluminum wire is deposited into an 800°C ceramic chamber, where it is heated to a molten state. The molten version is then electromagnetically pulsed to cause a precisely sized droplet to form. The droplets are ejected from a custom ceramic nozzle that is similar to inkjet nozzles in that it deposits large quantities of material quickly. The Mk 1 will deliver 1000 droplets per second with micron level accuracy. It can deposit aluminum at a rate of 1 lb/hr in a build envelop of 12 x 12 x 12 in. The droplet size is 200 micron. This capability would make the build speed about twice as fast as that of conventional 3D powder bed metal printers.
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