High-torque stepper motors are available in NEMA 23, 34, and 42 frame sizes with torque ranges to 5,700 oz-inches. Catalog reviews motor family features and options, torque and performance information, model number codes for motor selection, termination options, and connection diagrams. Detailed product pages include performance charts, ratings and characteristics, dimension drawings, and application details.
Pacific Scientific, Automation Technology Group, Major Products Div., Box 106, Rockford, IL 61125, FAX (815) 226-3080.
The first Tacoma Narrows Bridge was a Washington State suspension bridge that opened in 1940 and spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1, 1940, and dramatically collapsed into Puget Sound on November 7, just four months after it opened.
Noting that we now live in an era of “confusion and ill-conceived stuff,” Ammunition design studio founder Robert Brunner, speaking at Gigaom Roadmap, said that by adding connectivity to everything and its mother, we aren't necessarily doing ourselves any favors, with many ‘things’ just fine in their unconnected state.
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.