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A couple days ago, Goldman Sachs — the
investment-turned-banking firm that both received billions in Federal
bailout money and paid only a few million in taxes last year —
announced record profits of $3.4 billion for the second quarter of 2009.
Because it's paid back $10 billion, the company is now also freed from
government restrictions on executive pay. In short, Goldman Sachs execs
will pocket bonuses from "success" due in part to the fall of
competitors not extended bailout money.
In our world, that of technical design, engineers aim to create and
improve designs that are useful to humanity and tools for a better
world. I wish that we could say the same for the industry engineered by
our financial systems.
As always, we welcome your
comments.
— Elisabeth Eitel
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A growing demand for machines that cost less to operate, together
with regulatory pressures for lower emissions, are leading
construction-equipment manufacturers to electric and hybrid drives over
traditional hydraulic and mechanical ones.
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Choosing the right rack and pinion drive depends on three main
considerations — application parameters, required accuracy, and
budget. Following are some expert tips and tactics to help you get it
right the first time.
1. Take the time to size wisely. Match the quality level of the rack to
the application: A soft rack for light loads and medium accuracy; a
quenched and tempered rack for medium loads and medium accuracy ...
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DUO-GRIP B100 spring-set, pneumatic-release brakes provide
unlimited linear travel and braking forces to 5,400 lb.
• Provide emergency stopping or holding with zero backlash; brakes
operate on a flat metal bar or disk and may be mounted in any position;
suitable for e-stops
• Open design allows for visual lining wear inspection, quick shoe
replacement, and simple, single-point adjustment
• Left and right hand models; two sizes of actuating cylinders; custom
and hydraulic-release versions available. Manufacturer: Hole Industries
Inc.
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Durable cable transducer offers simple,
adaptable installation
 BEI Industrial
Encoders’ new linear cable transducer provides digital position and
speed feedback information in a rugged, easy-to-install package. Model
LT25 cable transducer utilizes a flexible measuring cable mounted to an
internal spring-loaded spool and quadrature encoder output to precisely
measure linear motion applications. With an IP66 rating, the LT25 is a
perfect solution for a variety of industrial measurement challenges
including wet, dirty, or outdoor environments or applications where your
measuring range travels over a harsh environment.
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Standard and custom linear rail covers are available for use on
all makes of linear rails.
• Bellows type protective covers are made of durable, neoprene-coated
nylon; protect expensive linear motion systems from contaminants in all
types of industrial environments
• Light, medium, and heavy-duty applications; some from stock.
Manufacturer: A&A Manufacturing Co. Inc.
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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!
Now Available On-Demand
The Energy Efficiency Web Conference & Expo
Engineers saw and heard great educational content at the Energy
Efficiency Web Conference and Expo. If you missed the live virtual
event, don’t despair! An archive of the full day’s agenda is now
available.
Design engineers are required to integrate energy efficiency into their
designs while maintaining lower costs, the highest reliability or both.
The editors of Machine Design understand these challenges
and have developed this conference to help engineers understand the
recently imposed energy mandates. The information presented at this
educational event will help engineers compare the different technologies
and product related to energy efficiency. Attendees will gain access to
the technical information needed to help them make the best decisions
without having to travel or take time away from current projects.
Visit the archive to:
- View informative webinars on energy efficiency
- Visit interactive booths where you can contact suppliers
- Peruse the Resource Center where you can download or link to
additional pertinent energy efficiency information
Register Now!
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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Editorial questions: msdeditor@penton.com
Advertising/sponsorship opportunities: Virginia Goulding
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Machine Design
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©2009 Penton Media, Inc. All rights reserved.
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