A North American manufacturer will be one of the show stoppers at next month’s Fakuma injection molding fair in Friedrichshafen, Germany. Trexel of Woburn, MA, will show how long-fiber reinforced plastics can be used in its microcellular foam process called MuCell. The MuCell process produces lower cost engineering parts with high quality and exceptional dimensional stability in applications where foaming has not historically been deployed. The long fiber technology from Ticona works well for large and complex parts. New parts use an advanced screw design developed jointly by Trexel and Ticona. Hartmut Traut, business director - Europe of Trexel, said several benefits result. “These include potential weight savings of 10 percent, and a 10 to 20 percent cycle time reduction. In addition, customers can get these benefits along with reduced warpage compared to solid injection molding and prior iterations of the MuCell process,” says Traut. One advanced American user of MuCell is fastener maker Soutcho, which uses injection molding machines sized from 55 to 350 tons in clamping force to make MuCell parts.
At this year's MD&M West show, lots of material suppliers are talking about new formulations for wearables and things that stick to the skin, whether it's adhesives, wound dressings, skin patches and other drug delivery devices, or medical electronics.
Researchers at Lawrence Livermore National Laboratory have published two physics-based models for the selective laser melting (SLM) metals additive manufacturing process, so engineers can understand how it works at the powder and scales, and develop better parts with less trial and error.
Materials and assembly methods on exhibit at next week's MD&M West and other co-located shows will include some materials you should see, as well as several new and improved processes. Here's a sampling of what you can expect.
The Food & Drug Administration has approved a 3D-printed, titanium, cranial/craniofacial patient-specific plate implant for use in the US. The implant is 3D printed using Arcam's electron beam melting (EBM) process.
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