The SHF-2A-GR high-accuracy harmonic-drive gear reducer features a large hollow shaft and can be incorporated into a custom housing to achieve an optimum package size. The design is both axially shorter and lower in weight, and uses the "S" tooth profile. Gear reduction ratios of 50:1 through 160:1 are available in a single stage. The large hollow shaft enables the user to pass shafting, wire bundles, or other components directly through the gearing's center.
HD Systems Inc., 89 Cabot Ct., Hauppauge, NY 11788, FAX (516) 231-6803.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.