A movable sunshade on the roof of the Milwaukee Art Museum consists of a pair of wing-like structures, each made up of 36 steel ribs ranging in length from 24 to 105 ft. The ribs are mounted on two rotating steel shafts, in turn connected to the pavilion's spine. To open and close the sunshade, 22 hydraulic cylinders (11 on each side) stroke simultaneously. The cranks swing a 90-degree. arc to open the wings in 3.5 minutes. Engineers equipped the building with two separate ultrasonic wind sensors to monitor velocity and direction. If wind speed exceeds 23 mph for three seconds or longer, the control system automatically closes the wings. Similarly, a lightning sensor is installed to predict imminent lightning strikes. The power unit consists of two identical pump sets. Each 30-hp motor drives a tandem axial-piston pump. One pump of each tandem set powers the north wing, the other powers the south wing. This circuit can move both wings even if one motor/pump group is out of service.
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.
Researchers have been developing a number of nano- and micro-scale technologies that can be used for implantable medical technology for the treatment of disease, diagnostics, prevention, and other health-related applications.
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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