Eastern Air Devices' new hysteresis synchronous motor operates at speeds more than four times those of similar motors. It reportedly achieves those speeds with low speed variation, a much desired trait in medical and optical applications. The size 44, 3-phase, single-speed motor operates at 15,000 continuous rpm while maintaining a smooth, quiet, and efficient constant speed drive. Torque rating is 13.5 oz-in with continuous output of 1/5 hp.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
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.
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