More ideas for fluid power education
What is the future of fluid power? I was honored to be able to sit on a panel at the recent NFPA Education/Industry Summit in Chicago. The topic was an important one: Should there be a fluid power degree? Along with myself, panel members included Joe Kovach, vice president of technology and innovation at Parker Hannifin; and University of Minnesota professor Kim Stelson, who is also director of the Engineering Research Center for Compact and Efficient Fluid Power. The panel was moderated by Bill Parks, president of Deltrol Fluid Products and the chairman of NFPA's Education Committee.
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Are all mineral-based hydraulic oils the same?
In this month's MRO feature, Rob Profilet from Lubrizol Corp. answers pertinent questions about the differences in hydraulic oils and how choosing the right one results in peak operation. Profilet is commercial manager of hydraulics and gear oils and works at Lubrizol's headquarters in Wickliffe, Ohio. Q: Why is it difficult to choose the right fluid? A: Approximately 200 million gal of hydraulic oils are used in the U.S. annually. About 165 million gal of that volume are mineral based. The end user has to sort through a multitude of suppliers, brands, and performance levels to determine which fluid is best for his operation.
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Hoerbiger Hoerbiger-Origa has 30 years experience manufacturing the original stainless steel band rodless cylinder. No competitor can beat our quality product or quality service. We are launching a special offer: Turn in your competitor's rodless cylinder and we will supply you with our proven OSP-P rodless cylinder for 50% of suggested list price. Read here for more details...

Hydraulics moves mountains. . . one scoop at a time
To the casual observer, excavators, loaders, and other construction equipment appear to operate about the same as they did three or even four decades ago. A closer look may reveal subtle changes that have occurred to equipment design over the years. However, these external clues betray the dramatic improvements that today's equipment holds over its ancestors of yesteryear. This is evident in Komatsu's new PC400LC-8 excavator.
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Rotary encoders are good for your system
Rotational motion abounds in machines employing fluid power. Typically, rotational motion axes are used for powering material transport (e.g., conveyors) between processing stations. Often, rotational axes in machines with hydraulic cylinders are driven by hydraulic motors. Even when they're driven by electric motors, you should understand the issues associated with rotational axis control. For example, often you must synchronize, or gear, the motion of a conveyor with that of a processing station that has linear actuators (e.g., varying the speed of the log feed chain to match the speed of log cutting in the shape saw example).
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Air dryer
Mini Dryer MD-35 fits equipment that requires small volumes of dry, compressed air. It performs in intermittent flow applications and is designed for air flows up to 35 scfm. It can be installed indoors or outdoors with only inlet and outlet air connections required and handles inlet air temperatures up to 120° F and supplies -40° F pressure dew point. Loose desiccant needs only periodic replacement.
Van Air Systems More information

Plastic Bearings Shipped the Same Day; No Order Too Small Igus® Inc., the leading developer of iglide® plastic bearings and DryLin® linear guide systems, offers same-day shipping and no minimum order requirements. More than 8,000 sizes and styles are available from stock. Live design technicians are available for free consultation from 8 to 8 EST. Igus believes every customer is important from a single-unit maintenance repair order to the largest OEM. 2D and 3D CAD files are available online with no registration required. Contact igus for a free design consultation and free samples. Use the online predictability calculator to find out which iglide bearing is right for your application. www.igus.com

Hydraulic hose
Tuff hose suits high-pressure hydraulic applications to 6500 psi. It can be bent twice as tight as standard SAE hose for half the bend radius. Reinforced internally with two braided layers of higher tensile steel wire, it has a durable, black, oil and abrasion resistant synthetic outer cover and offers 10 times the abrasion resistance compared to standard hose cover. It withstands temperatures from -40°F to 250° F and is available in diameters from ¼ to 1 in. ID.
Kurt Hydraulics More information

Power unit
Redesigned KA compact power unit is designed for intermittent service. It delivers operating pressures to 10,000 psi and combines a pump, electric motor, and tank in one unit, offering minimal use of space and mobility. It offers reservoir capacities to 2 gal and is available with single and 3-phase motors, in single or dual stage pump versions, and can work with an array of valves (directly mountable) and accessories.
HAWE Hydraulics North America More information

Fire-rated coupling
HKFR fire-rated coupling is a quick disconnect coupling for high temperature applications where safety is a concern. It comes in three sizes — ½, ¾, 1 in. in steel; 1 in. version is also available in stainless steel. It is rated for pressures to 3000 and 4000 psi (1 in. model). Designed for blow-out preventer applications, it exceeds all API and EUB compliance requirements.
Tuthill Coupling Group More information

Experience National Instruments Technologies From the Comfort of Your Own Computer!
With more than 200 on-demand webcasts, videos, interactive tutorials and demos available for users of any experience level, it is easier than ever to learn about the newest products and features available from National Instruments.
Begin your search here with a collection of webcasts specifically chosen for design and automation engineers.

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Discovering Direct Digital Manufacturing: Impact and Opportunity
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Designers face difficult design challenges every day and each issue has different technological options for a solution, but no one technology works every where, every time. RedEye RPM, a business unit of Stratasys, Inc. has invited Todd Grimm, a well known rapid prototyping consultant, to discuss different technologies, leading to a closer look at where DDM (Direct Digital Manufacturing) technology works and why. The presentation will cut through the confusion to provide designers and manufacturing engineers the data they need to move in the right direction for their projects.

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Invention of the gear hobbing process about 150 years ago revolutionized not only gear fabrication, but also gear design. The cutting edge of the hob presents the generating gear rack. The standard universal gear design approach provides gear interchangeability and reduces tooling inventory, however, it also constrains performance for particular gear applications.

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H&P is now on Facebook!
Check out the new Hydraulics & Pneumatics group page on Facebook. What was once primarily a social networking site for college students is now moving into the mainstream, with many businesses and professionals signing up. You can post videos, links, discuss current issues, and more. Best of all, it is totally free to join!
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Forums reach 550 members
H&P's Fluid Power Forums are proving to be the place to ask questions about fluid power technology and network with your peers. The forums now have more than 550 registered members, but it's never too late to join.
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Popular fluid power books now offered
The Bookstore section of www.hydraulicspneumatics.com now includes links to special pricing on a series of popular fluid power books, including Insider Secrets to Hydraulics, one of the most-requested technical guides in fluid power system design. Packed with nearly 200 pages of information, the handbook contains industry standards; conversion tables; formulas, specifications, and ratings for calculating design parameters; and a comprehensive glossary.
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Italian fluid power exhibition reflects strong industry growth
A robust 2007 sets the backdrop for the 2008 edition of Fluidtrans Compomac - Biennial International Exhibition of Fluid Power, Power and Motion Transmission, Drive, Control Equipment and Industrial Design- May 27 to 30, at fieramilano, Rho., Milan, Italy. The show, in its 41st year, will reflect the strength in the industry, with year-to-end estimates showing widespread growth. A quarterly business survey based on a sample of fluid power companies and conducted by the Italian Association of Hydraulics and Pneumatics Manufacturers (Assofluid) confirms the overall positive trend. According to the survey, midterm results for 2007, compared with results over the same period in 2006, show a strong increase in sales across the board. Vigorous performance in all branches of activity indicates that the market is on the upturn and very likely to proceed into the second half of the year to end.
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