MOTION CONTROL: A new series of right angle EG planetary gearheads from Sterling Instrument (ISO 9001:2000+AS9100B Registered Manufacturer) features low cost, and is offered in four standard NEMA sizes, 17, 23, 34 and 42. These gearheads, identified as the S91..SREG..Series feature the planetary system, high torsional stiffness, case-hardened spiral bevel gears, and are sealed to extend service life. They offer both single and double stage design, and include a precision balanced clamp-on pinion. Woodruff keys #404 and motor mounting hardware kits are supplied. Each of the four NEMA sizes are offered in 13 gear ratios ranging from 3:1 to 100:1. Their maximum input speed is 5000 rpm. Their radial and axial shaft loading is 400 lb. Their single stage and double stage minimum efficiency is 85 and 80 percent respectively. Operating temperatures range from -40 to 225F. The housings are made of steel, gold zinc plated. The right angle housing and mounting flanges are made of aluminum, black anodized. Quotes, online orders, available stock, and 3D CAD Model downloads are available at our new eStore at: www.sdp-si.com/eStore. SDP/SI offers NEMA inline gearheads, NEMA right angle single output gearheads, and NEMA dual output gearheads all in sizes 17, 23, 34 and 42.
Major global metropolitan areas are implementing a vast number of technology, energy, transportation, and Internet projects to make the metropolis a friendlier, greener, safer, and more sustainable place to be.
Here’s a look at robots depicted in movies and on TV during the 1950s and 1960s. We tried to collect the classics here, omitting the scores of forgettable B movies such as Santa Claus Conquers the Martians and Dr. Goldfoot and the Bikini Machine. Stay tuned for slideshows of robot stars from later decades.
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.