Compumotor has developed a direct drive rotary servo system that's the most compact in the company's Dynaserv line. Each consists of a brushless servo motor with 10-ft of motor and encoder cables, microprocessor-based drive, power supply, and an incremental encoder. Offered in both 4-inch and 6-inch diameter versions, they are available in speeds up to 2.5 rps and resolutions up to 655,360 positions per revolution. Axial and radial runout measures 10 mm--10 times better than the Dynaserv DR and DM series--with 5 mm available. Applications include scanning, semiconductor processing, disk drive assembly, rotary indexing, industrial robots, and low-speed inspection. Parker Hannifin, Compumotor Division, Product Code 4173.
The Industrial Internet of Things may be going off the deep end in connecting everything on the plant floor. Some machines, bearings, or conveyors simply donít need to be monitored -- even if they can be.
Wind turbines already are imposing structures that stretch high into the sky, but an engineering graduate student at the University of Notre Dame wants to make them even taller to reduce energy costs and improve efficiency.
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