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December 2, 2008 |
Volume 4, Issue 45 |
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Reduce Spring Height by 50% |
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In this issue of Designfax:
Feature Articles |
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Using IEPE accelerometers with modern DAQs
There are several factors to consider when using an IEPE (Integrated Electronics Piezoelectric) accelerometer, particularly when used with newly available integrated signal conditioner/data acquisition (DAQ) systems. For starters, unlike piezoelectric (PE) charge-type accelerometers, IEPE accelerometers require power to operate, so the user will need constant current to properly power the device. Noise and frequency response are other factors.
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Actuators leverage turn of the screw
Thiele Technologies, a leader in packaging technology and equipment, recently faced the problem of how to compensate for inconsistent bag dimensions on its popular modular bag filling and sealing system. They found their solution in four custom electric screw linear actuators from Tolomatic that precisely position incoming empty bags.
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Linear Motor Ready to Plug & Play |
Novel flexible charge pump produces electricity
Researchers have developed a new type of small-scale electric power generator able to produce alternating current through the cyclical stretching and releasing of zinc oxide wires encapsulated in a flexible plastic substrate with two ends bonded. The new “flexible charge pump” generator is the fourth generation of devices designed to produce electrical current by using the piezoelectric properties of zinc oxide structures to harvest mechanical energy from the environment.
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Wheels: Cat dozers get really cool remote controls
Ever wanted to just quit your job and run away to be a mining dozer operator, but you didn't think you had the chops to endure the back-and-forth monotony of sitting in the big machine all day? Well your dream just became more attainable. A new integrated Remote Control System for some Caterpillar Track-Type Tractors lets you be the operator from 400 m.
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Electric Replacement for Hydraulics! |
5-Star Product: Multi-cell lithium battery systems get smart protection
Texas Instruments recently introduced three new smart battery management integrated circuits that improve measurement and protection of multi-cell, lithium-based battery packs. The innovative controllers simplify design in rechargeable batteries used in uninterruptible power supplies and applications such as cordless power tools, power-assisted bicycles, and portable medical and test equipment.
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Engineer's Toolbox: Infrared thermometers extend reach
Stand back and feel the power. A new line of non-contact infrared thermometers from Timken allows users to safely measure the temperature of equipment operating in hard-to-reach or dangerous areas.
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Videos+: High-Torque Motors, StripMount Cable, 3D Printers In Action
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NEW High-torque, long-lasting brushless DC servomotors |
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Use any fastener to attach cable to any surface |
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Z Corp 3D printer in action |
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New Products
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Electrical/Electronic View products … |
Mechanical View products … |
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Motion Control View products … |
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Literature, CDs, free resources, and moreLiterature, guides, catalogs, and other great free stuff: Always more than 50 new resources
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Questions or comments about the eMagazine or articles? Contact us at: Designfax |
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