Installation on left shows locking ring integrated with both inner and outer bearing rings.
The patented Locking Ring is designed to be a self-locking, vibration resistant installation for mounting ball bearings. For plane housing bores, the ring, which is threaded around the bearing's outer ring, has sawtooth-shaped asymmetrical threads which form a continuous helical inclined surface across the internal length of the ring. Using a "spanner" wrench, locking action is due to the wedging between the surfaces of the tapers on the inside of the ring against similar threads on the bearing's outer ring—the slotted locking ring then expands, fixing the bearing to the housing. Axial and torque loads are transmitted by clamping pressure and friction. A Locking Ring may also be used to clamp the bearing's inner race to the shaft on which it mounts. Advantages include saving installation/removal time and money, being self-centering and dynamically balanced, and relaxation of housing hole and shaft diameter tolerances. Alternatively, the asymmetric threads could be cut into the housing bore and mounting shaft, eliminating need for the intervening Locking Ring.
Samsung's Galaxy line of smartphones used to fare quite well in the repairability department, but last year's flagship S5 model took a tumble, scoring a meh-inducing 5/10. Will the newly redesigned S6 lead us back into star-studded territory, or will we sink further into the depths of a repairability black hole?
In 2003, the world contained just over 500 million Internet-connected devices. By 2010, this figure had risen to 12.5 billion connected objects, almost six devices per individual with access to the Internet. Now, as we move into 2015, the number of connected 'things' is expected to reach 25 billion, ultimately edging toward 50 billion by the end of the decade.
NASA engineer Brian Trease studied abroad in Japan as a high school student and used to fold fast-food wrappers into cranes using origami techniques he learned in library books. Inspired by this, he began to imagine that origami could be applied to building spacecraft components, particularly solar panels that could one day send solar power from space to be used on earth.
Biomedical engineering is one of the fastest growing engineering fields; from medical devices and pharmaceuticals to more cutting-edge areas like tissue, genetic, and neural engineering, US biomedical engineers (BMEs) boast salaries nearly double the annual mean wage and have faster than average job growth.
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