Permanent-magnet stepper and gear motors range from 15- to 60-mm in diameter, provide step angles of 1.8 and 3.6 degrees (hybrids), and 3.6, 7.5, 15, and 18 degrees (permanent magnet). Both motors come in standard industry configurations for drop-in replacement. Stepper Motor Handbook includes specification sheets, a quick reference chart, and a tutorial on stepper motor technology. In addition, application notes, formulas, and terminology are included.
Thomson Industries Inc., 2 Channel Dr., Port Washington, NY 11050, FAX (516) 883- 9039
This Gadget Freak Review looks at a keyless Bluetooth padlock that works with your smartphone, along with a system that tracks your sleep behavior and wakes you at the perfect time in your sleep cycle to avoid morning grogginess.
Siemens released Intosite, a cloud-based, location-aware SaaS app that lets users navigate a virtual production facility in much of the same fashion as traversing through Google Earth. Users can access PLM, IT, and other pertinent information for specific points on a factory floor or at an outdoor location.
Since 1987, teams of engineers around the world have built solar cars to participate in a road race around Australia called the World Solar Challenge, being tested on the race time, kilometers traveled, practicality, and energy used by the vehicles they invent.
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.