Hydraulics & Pneumatics articles from August 2008

Hydraulics & Pneumatics archives from August 2008

Compressed air: the hidden utility: it is necessary for plant management to understand the importance of its compressed air system and to rely on maintenance personnel to keep it running efficiently.(MRO)
August 1, 2008... [ILLUSTRATION OMITTED] Among the earliest modern low-cost manufacturing machines were compact air compressors and pneumatic tools. An example of an early packaged air compressor is shown in the illustration. These units provided a level of...

Hot favorites return again.(Fluid Power conference & expo)
August 1, 2008... There are just a little more than three months to go before our Dallas Expo at the Embassy Suites Dallas--Frisco/Hotel, Convention Center & Spa. Many sponsors have returned, offering sessions that have always been a hit at every Expo in the...

Vacuum gripping technology for automation.(Fluid Power conference & expo)
August 1, 2008... This session was the only one dedicated to vacuum technology in Milwaukee. Presenter Bill Huffman from Schmalz (sponsored also by Price Engineering) reviewed vacuum gripping technology and described suction pads, suction plates, flat face, flat...

Bob O'Rourke from Dura-Bar compares ductile iron and steel during his seminar, "Ductile Iron: A Steel Alternative" at the Fluid Power Conference & Expo in Milwaukee. O'Rourke discussed the physical properties, cost, and ability to machine these two materials.(Fluid Power conference & expo)(Conference news)
August 1, 2008... [ILLUSTRATION OMITTED] Caption: Bob O'Rourke from Dura-Bar compares ductile iron and steel during his seminar, "Ductile Iron: A Steel Alternative" at the Fluid Power Conference & Expo in Milwaukee. O'Rourke discussed the physical...

Hydraulic fluids meet the challenge: picking hydraulic fluids based on viscosity and fluidity increased performance and efficiency and protected equipment in an oil field's extreme environments.(MRO)
August 1, 2008... Establishing an oil field is no small feat. It's like building a small town of drilling rigs, platforms, pump jacks, and wells. The logistics involved are complex. Adding to the complexity is the fact that sites are often located in remote...

Hydraulics powers Great Wheel of Beijing: high torque and smooth motion from a compact package make hydraulics the best choice for powering the world's largest Ferris wheel.(Ideas & Applications)
August 1, 2008... If you'll be watching the Summer Olympics, no doubt you'll see shots of the Great Observation Wheel of Beijing. With a diameter of 198 m and maximum height of 208 m, how could the cameras miss it? The new Ferris wheel in China's capital city...

Reclamation and refortification of hydraulic fluid: what's the right way to go with your used hydraulic fluid?(Ideas & Applications)
August 1, 2008... Before we provide guidance on what to do with your used hydraulic fluid, let's define two words: Reclaim--To salvage, recover, and clean up or recondition; sometimes called oil laundering. Refortify--To add a predetermined amount of...

Are you familiar with MDG41.(Ideas & Applications)
August 1, 2008... The formulation of the Mining Design Guideline number 41 (MDG 41) came from an industry group set up by the New South Wales Department of Primary Industries in Australia and included global suppliers such as DBT, Joy, and suppliers of fluid...

New agriculture show set for 2010.(Industry News)
August 1, 2008... The Association of Equipment Manufacturers established a new international agriculture event that will showcase the latest industry innovations, products, and technology and offer access to industry experts worldwide. The inaugural AG Connect...

Innovative design for power generation garners award.(Industry News)
August 1, 2008... Based on recent analysis of the power supplies market, Frost & Sullivan, Palo Alto, Calif., recognizes Sanderson Engine Development LLC (SED) with the 2008 North American Frost & Sullivan Award for Emerging Company of the Year. By designing the...

Hydraulics coasts to new heights.(Industry News)
August 1, 2008... Although the pool of contestants was smaller in the 2008 Chainless Challenge held July 28 and 29, sponsored by Parker Hannifin, the technology soared to new heights. The hydraulic-powered bikes, designed by students from universities across the...

Dakota Fluid Power acquires Y2K Fluid Power.(ON THE MOVE)
August 1, 2008... Dakota Fluid Power Inc. has acquired Y2K Fluid Power Inc., manufacturers of portable filtration products and lubricant storage solutions. As a single source manufacturer of hydraulic systems, electrical, pneumatic, filtration systems, and...

Hawe makes organizational changes.(ON THE MOVE)
August 1, 2008... Hawe Hydraulics made two organizational changes to improve service and support in the company's business segments. Dani Cline has been named OEM sales support manager. She will relinquish her distributor customer service responsibilities to...

Sauer-Danfoss changes controlling ownership.(ON THE MOVE)
August 1, 2008... A notable change has occured at SauerDanfoss Inc., Chicago. Danfoss A/S has closed its purchase of a controlling interest in Sauer-Danfoss Inc. from Sauer Holding GmbH, a company owned by members of the Klaus Murmann family. Danfoss A/S now...

Bosch Rexroth plans acquisitions.(ON THE MOVE)
August 1, 2008... Bosch Rexroth, Lohr, Germany (with U.S. headquarters in Hoffman Estates, Ill.), will acquire Hagglunds Drives AB, Mellansel, Sweden (with U.S. headquarters in Columbus). Hagglunds develops, manufactures, and services complete drive system...

Training in oil monitoring analysis.(MRO: NEWS & PRODUCTS)
August 1, 2008... Condition Monitoring International (CMI), Roswell, Ga., a provider of condition monitoring services, offers certification in Oil Monitoring Analysis (OMA), which was initiated by STLE in 1998. STLE has approved these courses as part of its...

Fluid evacuation.(MRO: NEWS & PRODUCTS)
August 1, 2008... DX12 fluid evacuator removes hydraulic fluids, lubricants, and other fluids from a system. Two-way throttle control generates vacuum or pressure. It can be charged for portable operation disconnected from compressed air. The handle throttles...

Leak-detection dye.(MRO: NEWS & PRODUCTS)
August 1, 2008... Oil-glo 40 oil-based, fluorescent leak detection dye accurately pinpoints leaks in synthetic- or petroleum-based fluid systems, including light-colored hydraulic fluid and dark or intensely blue hydraulic and lubrication fluids. Once the dye...

MRO catalog.(MRO: NEWS & PRODUCTS)
August 1, 2008... New 08/09 Product Catalog includes nearly 4000 new products, more than 9000 fluid power products, and a 48-page Technical Reference section that includes formulas, conversion tables, fluid power troubleshooting information, and more. A complete...

Portable infrared cameras.(MRO: NEWS & PRODUCTS)
August 1, 2008... EZTherm 880 portable infrared cameras produce sharp images when inspecting electrical circuits, motors, and other rotating equipment. Three models include the 880-1 which features advanced report generation software, 350[degrees]C measurement...

Myth #6: feedback always results in output equaling the set point.(MYTHS OF HYDRAULIC SYSTEMS)
August 1, 2008... Feedback control, also referred to as closed-loop control, is becoming increasingly popular for many reasons. The first is that the technology has undergone about 150 years of development and a high degree of understanding and broad appeal. But...

Two-for-one book offer for H&P readers.
August 1, 2008... The Designers' Handbook for Electrohydraulic Servo and Proportional Systems covers electrohydraulic system design, motion control, and system analysis by teaching applications principles and reviewing practical problems from the real world...

Improving systems with accumulators means big $aving$: supplementing pump flow with accumulators can reduce the size of the motor-pump required by the power unit, adding up to higher system efficiency.(TECHNOLOGY BASICS)
August 1, 2008... When sized and applied correctly, accumulators produce a win-win situation. First, accumulators can reduce the size of the pump needed to power a hydraulic system. And because a smaller pump carries a lower price tag, OEMs can save on initial...

Flat-face couplings.(Useful Products)
August 1, 2008... Series 2FSI flat-face couplings feature sectors made of hardened steel rather than latching balls to increase the contact surface between male and female couplings, preventing the brinelling effect. This also reduces the load and increases...

Hydrostatic pumps.(Useful Products)
August 1, 2008... H1 115/130-closed-circuit, variable-displacement, axial-piston pumps maximize hydraulic system efficiency. Compact design offers high power density, for easy installation and design flexibility. Integral electrohydraulic servo piston assembly...

Hose clamps.(Useful Products)
August 1, 2008... Supra2 hose clamps offer large diameters and long screws for high clamping force. They feature multiple welds per tab and beveled band edge to prevent hose cover cuts. They come in sizes from 3/4 to 13 in. Band and housing are stainless steel;...

Short-stroke cylinders.(Useful Products)
August 1, 2008... Hi-Energy hydraulics and Lo-Profile pneumatics short-stroke tooling cylinders come with single-or double-acting operation and single-or double-ended pistons. They offer strokes from 1/10 to 4 in. and pressures to 3000 psi (hydraulic) and 150 to...

Air compressors.(Useful Products)
August 1, 2008... Series 660/680 WOB-L piston air pumps provide long life, high efficiency, and low noise and vibration. Oil-less pistons and cylinders and efficient intake filters ensure non-contaminated air flow. They come with stainless steel valves,...

Hydraulic power units.(Useful Products)
August 1, 2008... V-series hydraulic power units, sized 5 to 10 hp, feature a horizontal design and quiet, variable-displacement piston pump. They are adjustable from 100 to 3000 psi and come with a one- to six-station D03 manifold with relief valve. Standard...

Hose guards.(Useful Products)
August 1, 2008... Four styles of hose protection for hydraulic hose and coupling systems stop premature failure from wear, abrasion, and deep cuts. Spring Wire Guard resists hose kinking and distributes bending pressure over hose length. Spiral Steel Wrap covers...

Axial-piston pumps.(Useful Products)
August 1, 2008... [ILLUSTRATION OMITTED] PVM open-loop, axial-piston pumps are computer optimized and feature multiple controls. They are available in three frame sizes, and rated for pressures to 4250 psi and displacements of 0.66 to 7.94 in. [sup.3]/rev....

Quick-acting couplings.(Useful Products)
August 1, 2008... Q-Safe family of quick-acting couplings includes 12 series of more than 1000 products, many of which can be connected and disconnected with fluid under pressure. Designs include poppet and ball valves, push-pull, flat-face, and specialty...

Check valve.(Useful Products)
August 1, 2008... New 250 Chek miniature, check valve is available in forward and reverse flow configurations. Elastomeric seat achieves zero leakage, while all other components are constructed entirely of stainless steel. It offers flows of more than 62 slpm...

Clearing (and quieting) the air: a simple device keeps the feds off your back.(AUTOMATE WITH AIR)
August 1, 2008... [ILLUSTRATION OMITTED] Oilless pneumatic systems have been in vogue for some time because they don't require lubricators, oil, and periodic maintenance. But the fact remains that the majority of pneumatic systems are lubricated. That's...

Downtime can be good.(Editor's Page)
August 1, 2008... Last year, my daughter, Emily, had an item on her Christmas list that I don't think will ever be on mine: a radio-CD player to use in the shower. I began thinking that this is probably typical of people belonging to Generation XI. ...

Have you tried flexible honing? When it comes to manufacturing, rebuilding, or servicing large pumps, valves, and cylinder bores, honing with a ball-style device can make a big difference in performance and service life.(MRO)
August 1, 2008... [ILLUSTRATION OMITTED] Servicing big pumps, valves, and hydraulic cylinders means dealing with big bores. After installation in the field, they often require maintenance to rid the bore of scratches and foreign material ranging from rust...

Hose end fittings.(Free Literature)
August 1, 2008... Catalog provides specifications, product photos, and engineered drawings of fittings, including one-piece stainless-steel crimp-ons as well as reusable fittings. It lists part numbers, hose ID, threads, and other specifications. It also...

Rotating unions, rotary valves.(Free Literature)
August 1, 2008... Fourteen-page catalog highlights standard size rotating unions and rotary timing valves, which can be modified for custom applications. It includes color photos of the different product lines as well as standard product specifications,...

Hydraulic system accessories.(Free Literature)
August 1, 2008... Reservoir breather caps, sight glasses, and electronic column level indicators, as well as the complete line of hydraulic system accessories, are shown in a 100-page catalog. The 2008 edition also includes fill and drain plugs, flanges, and...

Take a gamble on MINExpo: MINExpo, which is held only every four years, returns to Las Vegas September 22-24, and is home to a variety of fluid power companies and technology.(EVENT PREVIEW)
August 1, 2008... [ILLUSTRATION OMITTED] MINExpo International 2008, the mining industry's premier exhibition of mining equipment, technology and services, will be held Sept. 22-24 at the Las Vegas Convention Center. Sponsored by the National Mining...

Giant conveyors walk to work.(INDUSTRY FOCUS)
August 1, 2008... Time certainly is money in mining. So it's imperative at RWE Power AG's Garzweiler and Inden lignite open-pit mines in Germany to transfer mined material from the excavation site to conveyors as quickly as possible. Gigantic bucket wheel...

Hydraulic filters.(MINExpo Product Showcase)
August 1, 2008... [ILLUSTRATION OMITTED] Triboguard industrial hydraulics filter elements provide 73% higher dirt-holding capacity and 47% lower initial pressure drop than traditional filters. New design includes wire mesh in the media pack construction to...

Diverter valves.(MINExpo Product Showcase)
August 1, 2008... [ILLUSTRATION OMITTED] New line of diverter valves features modular designs, allowing up to five additional circuits with minimal pressure drop. They offer flows to 60 gpm and pressures to 5000 psi. Zinc-plated steel bodies and IP69 rated...

High-pressure hose.(MINExpo Product Showcase)
August 1, 2008... Coal Power hydraulic hose is recommended for high-pressure hydraulic lines in longwall mining equipment and roof-support systems. Built with four to six layers of alternating spiraled, hightensile steel wire over a fabric layer, it has a...

Hydraulic hose.(MINExpo Product Showcase)
August 1, 2008... GR16SC hydraulic hose is designed for high-pressure service with tight bends for petroleum and water-based hydraulic fluids. It offers strong impulse performance and flexibility, exceeding SAE 100R2 and SAE 100R16 standards SAE 100R16/EN 857...

Directional spool valves.(MINExpo Product Showcase)
August 1, 2008... PSL/PSV proportional directional spool valves, sizes 3 and 5, with MSHA approved coils, are manufactured with steel to minimize size for extreme mining applications. Designed as a load sense valve, they control direction of motion while...

Let your thumbs do the walking.(Web Wire)
August 1, 2008... Smit Hydraulics, Modena, Italy, recently updated its website to offer a more visible way to find its products and catalogs. Located at www.smithydraulics. it, the site offers a simplified look, with just a few top buttons to find information....

Social networking for the engineer.(Web Wire)
August 1, 2008... Responding to the growing need of engineers and other technical professionals to engage in productive dialog and information exchange, ASME has launched ASME PeerLink, at peerlink.asme.org. This online interaction tool is designed to enhance...