Stratasys Inc. has introduced ASTM F-75 cobalt chromium in North America, a new alloy for use with Arcam EBM (Electron Beam Melting) systems for EBM rapid manufacturing and prototyping systems. Cobalt chrome is well-suited for aerospace applications requiring high strength, low weight, and excellent wear and corrosion resistance. By using cobalt chrome and Arcam EBM technology, metal parts can be produced three to five times faster than with other metal-additive fabrication methods. This enables new design solutions and greater geometric freedom.
EBM technology also offers a new method for rapid manufacturing and prototyping metal components. The process produces solid metal parts through a patented CAD-to-metal process, in which parts are built in layers from metal powder. In the process, each successive layer is formed by an electron beam that melts the metal powder in the geometry defined by the CAD file. Because this process occurs in a high vacuum and the powder is fully melted, parts are formed that are 100% dense and contain no imperfections due to oxidation. The time, cost and challenges of machining or investment casting are eliminated.
Based in Minneapolis, Stratasys Inc. makes rapid manufacturing and prototyping systems.

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