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Brushless dc Motors in Medical Applications
and brushless motors, It used to be that brushless-dc (BLDC) motors just weren't an option for most medical applications. But that situation is changing as the cost of BLDC drive electronics falls. Furthermore, a quest for more-efficient, compact, and reliable medical equipment has put BLDC motors
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PLASTICS REFERENCE GUIDE
miniature hand extruder contains a plasticizing unit, hot-air blower, rod feed, and electronics in one package. The compact tool from the Swiss firm Leister Process Technologies and distributed in the U.S. by Uneco Systems Inc., Romeoville, Ill., requires no additional booster and weighs only 2.8 kg
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Electric actuators push hydraulics out of off-highway equipment
Electric actuators eliminate pumps, hoses and valves, and make vehicles smaller, lighter, and quieter. Engineers designing off-highway vehicles are always under pressure to reduce fuel consumption by making vehicles lighter and more efficient. They also have to avoid environmentally damaging leaks
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MICRO: Product Tech News
in-line statistical control of manufacturing processes. The tool images wafers in both reflection and transmission modes, providing information about crystallographic defects in the surface and bulk regions of the wafer. Digital image processing permits efficient measurement routines of selected
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Replacing Your DC Motors? Think AC
can produce near-servo-drive performance in a compact, reasonably priced package. Photo 2. AC motors can provide you with a considerable cost savings when compared to DC motors. SPEED CONTROL EFFECTS. AC motors have traditionally operated at fixed frequency and speed. At this speed, the built-in
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New Marking System Simplifies and Saves on Packaging and Shipping of Food Products
or two lines of characters from 1/8-in. to 13/16-in. in height; different color inks can be applied from the same printhead; a single button is used for on and off power; the equipment itself is portable since it is more compact than previous marking equipment; and there is no need for extra solvents
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Case Study: Motorcycle Engine Belt Drive System Delivers Smooth, Quiet Reliability
efficient combustion. But a real performance challenge for the 56° V-twin engine was the three-cam drive system. Space was at a premium. Three large base-circle cams with drive components had to fit into a shoebox-sized compartment. Operating temperatures were high. So were torsional forces
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EC Motors, The Extended Arm Of Automotive Electronics (.pdf)
is for example. needed for cooling compact electronic boxes, booster ventilators in the long, narrow air ducts of a climate control. system or for blowers that cool various areas of the instrument panel via ducting. As a specialist in fans, ebm-. papst St. Georgen can select the most suitable fan