I’ve been highly critical of “greenwashing” in this space where companies make environmental claims for their products that are often half-baked. I came across an effort today by Herman Miller, however, that is very impressive. Design engineers at the Michigan office furniture manufacturer have adopted cradle-to-cradle, a design protocol that advocates the elimination of waste by recycling a material or product into a new or similar product at the end of its intended life, rather than disposing of it. There are three fundamental components: 1) eliminate hazardous material chemistries, 2) design for disassembly, and 3) use recycled content to the extent possible. Some materials on the Herman Miller “hit” list are: formaldehyde-based particleboard, fiberglass, antimony oxides, PVC, some metal finishes, halogens and fluorochemicals. Wow. In some cases, Herman Miller is actively lobbying producers to make changes. The company has a great environmental glossary on its Web site.
Norway-based additive manufacturing company Norsk Titanium is building what it says is the first industrial-scale 3D printing plant in the world for making aerospace-grade metal components. The New York state plant will produce 400 metric tons each year of aerospace-grade, structural titanium parts.
Siemens and Fraunhofer Institute for Laser Technology have achieved a faster production process based on selective laser melting for speeding up the prototyping of big, complex metal parts in gas turbine engines.
BMW has already incorporated more than 10,000 3D-printed parts in the Rolls-Royce Phantom and intends to expand the use of 3D printing in its cars even more in the future. Meanwhile, Daimler has started using additive manufacturing for producing spare parts in Mercedes-Benz Trucks.
SABIC's lightweighting polycarbonate glazing materials have appeared for the first time in a production car: the rear quarter window of Toyota's special edition 86 GRMN sports car, where they're saving 50% of its weight compared to conventional glass.
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