A new series of RTX precision
planetary gearheads from Sterling Instrument feature high torque design and are offered in standard NEMA sizes
60 and 90. These 36 gearheads are identified as the S9160AMRTX and the S9190AMRTX Series and feature single, double and triple gear stage
configurations, optimized gear geometry, high torsional stiffness, captive,
bearing supported input pinion and they are sealed to extend service life.
Each of the two NEMA sizes is offered
in gear ratios ranging from 4:1 to 700:1 and their maximum input speed is 6500
rpm. Their single stage, double stage and triple stage minimum efficiencies are
95, 90 and 85 percent respectively. Operating temperatures range from -40 to
+121C. The housings are made of stainless steel, with anodized aluminum
mounting flanges. The output shafts are made of stainless steel and the gears
are made of alloy and stainless steel.
A new method of modeling how they are created with chemical vapor deposition (CVD) could reduce the cost of carbon nanostructures used for for research and commercial applications, including advanced sensors and batteries.
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.
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