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So you think you're a pretty smart engineer? Have all those
equations down pat and material data sheets organized in the ol' noggin,
eh? Well just how smart are you? Find out in March as MACHINE
DESIGN kicks off The World's Smartest Design Engineer
competition. You score points as you correctly answer engineering
questions while competing against other engineers around the globe for
fun, prizes, and the prestige of being The World's Smartest Design
Engineer. Challenge your friends and colleagues to a grudge match!
Remember, the competition for The World's Smartest Design
Engineer starts in March, so keep your eye out for it! In the
meantime, keep reading Motors Monthly and MACHINE
DESIGN magazine -- you'll never know where questions may come from!
(Hint! Hint!)>
-- Robert Repas, Assoc. Editor
You can follow the search for The World's Smartest Design Engineer on
the MACHINE DESIGN Blogs, LinkedIn,
Twitter, and Facebook
accounts, or visit the virtual MD
Office in Second Life.
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Linear motors, ball screws, and precision rack-and-pinion gear
drives are all good options for engineers designing electromechanical
linear-motion systems.
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A pair of high-torque servomotors was key in making it possible to
field a miniature unmanned ground vehicle (UGV) agile enough to climb
uneven terrain.
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Conventional thermal models can be inaccurate enough to cause
trouble when servomotors get pushed to their limits. The thermal models
that servomotor manufacturers provide may not hold for brief periods of
superhigh torque. More accurate thermal models for periods of high
performance use equations with more terms.
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Connector Motor Mounts for AC/DC
Motors & Encoders
 SEALCON
carries a large assortment of Hummel Cable Management Components
consisting of Liquid Tight Cord Grips, Circular Connectors (M16, M23,
M27, M40, RJ45, Profinet & Twintus), Industrial Enclosures (Plastic &
Metal). Types: Dome, Flex, Elbow, EMI/RFI, Clamping, X-Large,
Mini, PVDF (Teflon®), Stainless Steel, Zinc, etc. Threads:
NPT, Metric & PG. Industries Served: Rotary and Linear Encoders,
Stepper Motors, Linear Motion Control, Coordinate Systems, Electro
Vehicles, Communication, Testing Labs, Industrial Controls,
Instrumentation, Medical, Robotics, Food & Beverage, etc. Request Catalog or Sample your application
today!
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The linear variable-differential transformer, or LVDT, first saw use
in laboratory measurements for the military during World War II.
Industry got its first look at the device after the war, when Herman
Schaevitz of Schaevitz Engineering wrote an article entitled, “The
Linear Variable Transformer.” Schaevitz proclaimed the LVDT viable
technology for linear-displacement measurement.
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Rick Orsini from the Lapp Group USA shows Lee Teschler of MACHINE
DESIGN a new line of electrical cables specifically for variable
frequency drives and methods to assure complete shield grounding.
Length: 3:51
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This half-day seminar with Dr. Urs Kafader, maxon motor ag, provides
the practical information you need to successfully select the right DC
motor – be it brushed or brushless – for your application. You’ll
learn about the interpretation of motor data and how you can use this
information for motor sizing. Whether you need high speed and dynamics
or just high torque, this seminar will teach you to size a drive with
just the right power reserves avoiding costly oversized motors.
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The new integrated-motor actuator (IMA) combines a servomotor with a
rod-style actuator. The IMA’s integrated design provides higher
dynamic performance by eliminating the need for separate motors,
couplers, motor mounts, gearing, and belts.
Tolomatic Inc.
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A line of continuous-flex interconnect motor cables are harnessed in
accordance with manufacturers that include Siemens, Rexroth (formerly
Indramat), Fanuc, and Allen-Bradley.
igus Inc.
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The VLT low-harmonic drives ensure high-quality sine waves from the
power-supply grid by actively imposing currents, as needed. The drives
come in 132 to 630-kW high overload, 160 to 710-kW normal overload, and
voltage range of 380 to 480 Vac, 50 to 60 Hz.
Danfoss Drives
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The SCR100 is an ultrahigh precision, single-axis stage that
integrates a slide guide, encoder, and linear-shaft motor. The stage’s
moving-magnet design, locates all cables and connectors in the
stationary base.
Nippon Pulse America Inc.
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Leeson
With over 30,000 custom designs and experienced application and design
engineering support, LEESON can react quickly to your production &
application needs.
www.leeson.com
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Design.
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Contact Information
Editorial questions: Robert Repas
216-931-9319
Advertising/sponsorship opportunities: Virginia Goulding
216-931-9893
Machine Design
1300 E. 9th St.
Cleveland, OH 44114
©2010 Penton Media, Inc. All rights reserved.
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