In the field of metal 3D printing , many companies are trying new ways to increase the speed of metal 3D printing while reducing costs.

The Australian startup SPEE3D seeks to increase metal 3D printing speeds through a unique metal deposition method. SPEE3D's LIGHT SPEE3D 3D printer uses supersonic deposition technology and is said to be more than 100 times faster than other metal 3D printing technologies . Therefore, the technology can complete 3D printing of basic metal parts in 10 minutes.

Inspired by cold spray technology

SPEE3D co-founder and CEO Byron Kennedy and his co-founder and chief technology officer Steve Camilleri have previously founded a company called In Motion Technologies, a company dedicated to axial motors for electric bicycles, evaporation. Air conditioners and off-road electric vehicles, and work with large manufacturers such as Avanti, Seeley International and John Deere. In Motion was later acquired by Fasco Motors, a business unit of Regal Beloit, a company listed on the New York Stock Exchange.

Kennedy learned a lot about the requirements of production and day-to-day operations from In Motion's startup. I also mastered the process of how a product goes from idea to production. Kennedy sees support for metal 3D printing in aerospace, medical and dental fields.

Kennedy and Camilleri decided to develop a metal 3D printing technology that could keep up with the needs of real industrial production, and they studied various technologies. Cold spray technology, also known as aerodynamic spray technology, is also studied. It refers to the method of depositing and forming a coating after strong plastic deformation when a high-speed solid particle with certain plasticity collides with a substrate. Technology for military and maintenance applications.

Cold spray deposition techniques rely on the use of supersonic gas jets to accelerate solid powders up to 500 to 1,000 m / s. SPEE3D, founded by Kennedy and Camilleri, calls its core technology "supersonic 3D deposition" or "SP3D" process. During the SP3D process, the nozzle accelerates the air to three times the speed of sound, deposits the injected powder on the substrate, and allows the 3D to print a 45 degree overhang angle through the movement of the robotic arm, eliminating the need for support structures and cooling channels.

Of course, SPEE3D metal 3D printer solutions are limited, including the inability to produce complex lattice lattice structures. But this technology can process heavier parts, for example more than half a kilogram or even dozens of kilograms. And by relying on supersonic deposition, SP3D does not have to rely on heat or any other process that might alter the properties of the metal. The processing is very fast, and no inert gas is used, no argon, and no nitrogen, so it has a certain processing economy.

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