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Zmags
BY ENGINEERS FOR ENGINEERS
TINY PIEZOMOTORS
MAKE BIG MOVES p. 18
HOW DURABLE ARE
WELDED STEELS? p. 50
3D-PRINTING
ALUMINUM
PARTS p. 78
MARCH 6, 2014
machinedesign.com
CONCEPT
CARSfor
2014
A Penton® Publication
FlowGrid – Less noise,
more quality of life.
FlowGrid – Air-inlet grill for axial and centrifugal fans
The situation:
Excess noise as the result of the inflow of air to a fan being disturbed, such as
the walls of a device being at different distances from the fan.
The solution:
FlowGrid, the grill on the air intake side, drastically reduces the noise-
generating disturbances thus considerably reducing the sound pressure.
For more information go to http://flowgrid.ebmpapst.us.The engineer's choice
So many combinations-
it might blow your mind.
[COLOR+RUBBER+TRANSPARENT+RIGID]
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BY ENGINEERS FOR ENGINEERS TINY PIEZOMOTORS MAKE
FlowGrid – Less noise, more quality of life.
So many combinations- it might blow your mind.
MARCH 6, 2013 | VOLUME 86, ISSUE 3 InThisIssue FE
%HVWSULFHVRQSQHXPDWLFV Buy direct and save on
on ENGINEERINGTV TIRES MAINTAIN GRIP AST
The Truth About Compressed Air! If you think comp
6 MARCH 6, 2014 EDITORIAL CONTENT DIRECTOR: L
" I get what I need to keep my line running, w
Editorial LELAND TESCHLER | Content Director
air cylinders More Sizes · More Styles · More Acc
Letters LIBERAL ARTS RULE I am a liberal-arts
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Smarter Embedded Designs, Faster Deployment
Position Sensing Continuous and accurate sensing
HUCK 360 ®® Anatomy of the PROBLEM: CONVEN
What's Inside Blind rivet bolt combines sc
Raising the bar on end-to-end conveyor solutions
PIEZOMOTORS on SURGICAL ROBOT make big moves A
arc angles of a head frame. Linear motors handle
Cartridge Check Valves Designed for Insta
guages. One of the most widely used theater-contr
Increase speed with new jet valve Let's Talk
News ABSOLUTE ENCODERS LET WATER CANNON DO
Size, Select, & Download...
News below 0.75° over the travel range of 0 t
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We Mold Ideas Into Reality. High toleran
News SMALL SCALE: MEASURING ATTOGRAMS ENGIN
Open for new perspectives? We shape the future
News DOD IMPACT-TESTS NUCLEAR-DELIVERY SYSTE
*$/,/027,21&21752/ $//7+(5,*+7029(6
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Sensor Sense Bar-code imagers for 2D codes BA
Interview KIRK BARKER | Board President, REM-C M
Others say they're FAST... But do they have the
Transportation Industry Focus STEPHEN MRAZ | Sen
Fuel-cell cars and hybrids, along with a host of
Transportation Industry Focus INFINITI Q30 CON
Byte Me! Go ahead ... talk nerdy to us. We'll
Transportation Industry Focus GETTING FUEL-CELL
DieQua offers more gearboxes plus application ex
Metals & Materials for Product Design Transpo
Together, we can improve your market position.
EASY STEPS TO CUSTOMIZED GAS SPRINGS 1 Call ACE…
Start measuring in seconds. 2-line display for e
Mechanical TODD PALMER | Engineering Group Leade
YOU CAN'T BUY THIS GEAR WHY? We never compromis
When the pressure is on, insist on a Fairchild so
Mechanical peening and other cold-working te
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Miniature Valves Robotics, instr
or rough ground introduces vertical, lateral, and
Mechanical Finally, when calculating str
equations are identical. An alternative, perhaps
Motors and Drives DONALD LABRIOLA II, P.E. | Pre
Precision Components
Motors and Drives This
Small in size, big in performance 5IF PITTMAN %JG
Motors and Drives WHAT THE COILS MEASURE
WHERE ALL THE SOLUTIONS COME TOGETHER AND CON
66 Motors and Drives T T 48
Voltage (V) 0.5 0 –0.5 0.5 0 –0.
Motors and Drives a ripple current — resulti
The quick succession of these two readings emphas
Cables and Connectors PATRICK HOBART | Senior So
1(6'0+08+5+$.' #.9#;5'55'06+#.
Cables and Connectors Th
ACC-U-BAR® RAISING THE BAR, AGAIN! Available in O
Cables and Connectors tion lines can also in
Cables also protect signals from outside inter
F R E E C ATA L O G & B R O C H U R E WASHERS &
Cables and Connectors spots that eventual
3D printing LINDSEY FRICK | Associate Editor lin
BERGQUIST HIGH-PERFORMANCE LIQUID THERMAL INTE
3D printing Using addi
35% weight savings on the part. DMLS was the only
from globalpurchasing.com VICTORIA FRAZA KI
FLEXIBILITY. DESIGN CHAIN SOLUTIONS FROM AVNET
DistributionResource|GlobalPurchasing Fluid P
Product Innovation Continued from Page 82 sta
Goldense on R&D-Product Development BRADFORD L.
Together, we can increase production time, reduce
Cylinders, Hoses, Fluid-Power Connectors Mill-
PERFORMANCE Simplify Connections and Controls H
Spotlight_Cylinders, Hoses,
Teflon® Coatings Improve part performance with Te
Products Hose naming/ color-coding system A
High-performance rotary encoders
Products Pneumatic microvalve THE MV 10 pne
Flexible-chain conveyor platform THE 2200 Series
Products Dc power supplies THE RHINO PSB Se
MARCH 2014 machinedesign.com
ADVANCED CERAMIC SOLUTIONS Astro Met's unique adv
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Puzzles,myths,and curiosities MYTH: PEOPLE A
The First Name in Power Transmission %DOG
IntelliMotor®—Stepper motor, encoder,