As additive fabrication systems move from rapid prototyping into direct digital manufacturing, there is a need for greater build-size capability, speed, and accuracy. So says Stratasys Inc., Eden Prairie, Minn., which claims these needs are being met by its latest fused deposition modeling (FDM) system, the model 900 mc. The company’s largest model yet, it has a build envelope of 3 × 2 × 3 ft. It also has a new motion-control system that is said to provide significant improvements over the accuracy of the company’s next-largest, 400 mc system. The new model uses ball screws on all three axes of the gantry that moves the extrusion head. They are said to give about 0.002-in. greater positioning accuracy than the belts and pulleys previously used. Greater speed and accuracy are also said to be achieved by moving the gantry vertically and horizontally in parallel rather than in sequence as before. Smoother overall movement is said to result. In addition, gantry motions that involve no material deposition are now about 1.5X faster than before. (952) 294-3409 • www.stratasys.com
7665 Commerce Way Eden Prairie, MN 55344-2001
Phone (952) 294-3409 Fax (952) 906-2765
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