RTP Co. is introducing carbon nanotube compounds (CNT) in several different resin systems for improved electrical performance. In situations where engineers typically used carbon fiber reinforcements, carbon nanotubes provide much better electrical performance,” says Ned Bryant, senior product development engineer for RTP, which is based in Winona, MN. The first resin systems offered with the new technology are polycarbonate, polyetherimide and polyetheretherketone. Coming next are PC/ABS, nylon 66 and nylon 12. The nylons will be aimed at automotive components, such as fuel filler doors, where the conductive materials allow superior painting processes. Electrostatic painting is about 80 per cent efficient, while spray painting is only about 12 percent efficient. CNT compounds also process better, avoiding isotropic effects of fibers.
Some of the biggest self-assembled building blocks and structures made from engineered DNA have been developed by researchers at Harvard's Wyss Institute. The largest, a hexagonal prism, is one-tenth the size of an average bacterium.
Arevo Labs' end-production 3D printing technology for carbon composites includes a high-temperature, filament fusion printer head design and firmware for use with the company's new carbon fiber and nanotube reinforced high-temperature matrix polymers like PEEK.
Stratasys will buy Solid Concepts and Harvest Technologies and combine them with its RedEye service business. The plan takes aim at end-production manufacturing and will create one of the biggest commercial 3D printing and AM service bureaus.
The International Federation of Robotics reports that global sales of industrial robots decreased by 4% in 2012 over 2011. The biggest hit was electrical/electronics manufacturing, down by 13%; but by region, the Amerficas did well.
At the JEC Europe 2014 composites show in Paris, many companies showcased their carbon fiber composite products, especially for volume automotive manufacturing. Some companies touted their contributions to BMW's all-carbon composite body-in-white. Others introduced automotive products and processes.
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