Trantorque(reg) QC(TM) is a tapered keyless bushing from Fenner Drives that simplifies the installation and positioning of synchronous belt sprockets bored for QD bushings, the company says. Directly interchangeable with the QD bushing, Trantorque QC is available in bore sizes ranging from 1/2 inch to 2 1/4 inches, depending on the series. The bushing uses a single locking nut to draw a tapered outer sleeve against a tapered inner collet.
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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