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 selection, termination options, and connection diagrams.
Pacific Scientific, Motor Products Div., Box 106, Rockford, IL 61105, FAX (815) 226-3080.
New glass coating, the design of which was inspired by two disparate examples in nature -- a moth’s eye and lotus leaf -- could mean significant improvements for solar panels, lenses, military equipment, windows, and other products in the future, thanks to the Department of Energy.
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.