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Purdue researchers have noodled out how boiling in tiny channels
differs from what happens in ordinary size tubing used in conventional
cooling systems, reports our sister publication EE&T. Ther results could
be used to better cool IGBTs and other power semiconductors used in
applications such as hybrid vehicles and more efficient motor drives.
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One technique for positioning combines a fast dc drive with a
high-precision piezo rotary drive mounted on a common spindle. The dc
drive provides rapid delivery to the desired point, while the piezo
drive resolves the fine part of the positioning task. The technique is
used for a measuring probe but has other applications as well.
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Motors power the Mars Rover through special gears created at Forest
City Gear. Hear about this special application in a video with the
Forrest City CEO who was recently interviewed by Machine Design editor
Leland Teschler. Running time, 8:16 min.
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An oval tube attached to the rotating shaft of a miniature geared
motor is the secret behind what may be the world's smallest miniature
train layout. We suspect a lot of the magic goes away if the setup is
viewed up-close under a microscope, but the video in this news item is
impressive nevertheless.
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Specialty motors for challenging applications go beyond standard
brushless-dc motors.The motors address specific application needs in
form, function, and environment including clean-room, ultrahigh-vacuum,
extreme-temperature, and radioactive environments.
More Information: Wittenstein
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Check Out the New EET Website
Are you looking for more information on energy efficiency? EETweb.com
features the latest efficiency updates, information on the basics of
energy efficiency and products available for energy efficient designs.
Click here to
visit the site and learn more!
UPCOMING WEBCASTS
Concurrent Engineering:
How to Excel at Top Down Design
Sponsored by PTC
DATE: November 5th, 2009
TIME: 2:00pm ET/11am PT
How will you improve your organization’s product development process
in 2010? With concurrent product development techniques, you can engage
people from all areas of the design process earlier and more
efficiently. Join us for this webcast and begin compressing and
streamlining your entire product development process.
This live webinar will cover:
- The overall concept of Concurrent Engineering
- Best practices for top down design
- Building the best framework for your assembly
- Improving teamwork with better information
- Decreasing your number of design iterations
Click here to learn more and to register!
Seven Critical Issues in Heater Selection for OEM Applications
Sponsored by Minco
DATE: November 19th, 2009
TIME: 2:00pm ET/11am PT
Product development is a complex process. In addition to cost and
time-to-market, engineers have to address a variety of
sometimes-conflicting issues that can include size, weight, speed,
reliability, flexibility, ease of use, safety, manufacturability,
support costs and more. One aspect of product design that may not show
up on your list of top priorities is heating.
In fact, the heating technologies you choose, whether off-the-shelf or
customized, can have a significant impact on many aspects of your
product including performance, cost, and even time-to-market.
This 60-minute webcast will present seven factors that can help you make
the most of your heating choices.
- how heater choice can increase your design flexibility
- how heating uniformity can improve the yield of your systems
- how to speed warm-up and heat transfer for increased throughput
- how to ensure accuracy and improve your product’s
productivity
- and much more
Click here to learn more and to register!
ARCHIVED WEBCASTS AVAILABLE FOR FREE VIEWING
Click
Here for a list of archived Machine Design webcasts.
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Custom Online Drive Selection Tool
SEW-Eurodrive's modular product designs make it possible to choose from
millions of different drive configurations. PT Pilot® v3.0
simplifies the choices and identifies a solution customized for each
application in minutes. No special software or plug-ins required. To
explore the full range of intuitive features login at www.ptpilot.com.
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Contact Information
Editorial questions: Robert Repas
216-931-9319
Advertising/sponsorship opportunities: Virginia Goulding
216-931-9893
Machine Design
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