Hydraulics & Pneumatics articles from September 2007

Hydraulics & Pneumatics archives from September 2007

Pneumatics spouts off: gripping machinery uses pneumatics to accurately position reclosable drink carton pour spouts, used for everything from orange juice to milk.(AUTOMATE WITH AIR)
September 1, 2007... Most people take it for granted that drink cartons are reclosable, even though that capability has only been possible for the past ten years or so. Plastic pour spouts have made it possible to close drink cartons, which also helps beverages...

What are your sources of knowledge?(Editor's Page)
September 1, 2007... Earlier this summer I was doing some yard work in my back yard while two of my next-door neighbors' boys were playing in their own back yard. All of us were minding our own business, but sometimes the boys' conversation became a bit loud, so I...

Static seals may not be static.(Ideas & Applications)
September 1, 2007... We generally assume that a moving part will wear out faster than one that remains stationary. When a hydraulic cylinder begins to leak, for example, it is usually a dynamic seal that needs to be replaced. But an increasing number of hydraulic...

Film reveals pressure distribution.(Ideas & Applications)
September 1, 2007... Containing a pressurized fluid between mating surfaces without leakage requires the surfaces to be smooth and flat, and with an appropriate gasket in between. Of course, this is no guarantee of leak-free operation. Gaskets can deteriorate over...

Valve promises greater protection from catastrophic failures.(Ideas & Applications)
September 1, 2007... Having a hydraulic line become severed may result in dire consequences from the jet of hot oil that can spew from the end of an unrestrained hose. Even if serious injuries or equipment damage don't result, cleanup costs--especially those...

Valve provides electric-over-hydraulic operation.(Ideas & Applications)
September 1, 2007... Parker Hannifin's Chelsea Products Div., Olive Branch, Miss., recently introduced its Combo Valve Option, which enables one controller to operate both a Powershift PTO and a dump pump. The innovative design will allow converting PTOs currently...

Compact sensor is well-suited to off-highway equipment.(Ideas & Applications)
September 1, 2007... MTS Systems Corp., Sensors Div., Cary, N.C., recently introduced its MH linear displacement transducer (LDT) with a CANbus interface. Combining proven Temposonics mangetostrictive technology with the off-road market's interface of choice, the...

The case of the system that wouldn't purr.(Fluid Forensics)
September 1, 2007... Most producers of hydraulic fluids have laboratories responsible for routine testing of customer systems. Some also have an analytical services laboratory for troubleshooting customer problems, such as fluid contamination, pump wear, seal...

Education at core of CONEXPO-CON/AGG 2008 shows.(Industry News)
September 1, 2007... The 2008 CONEXPO-CON/AGG Exposition offers a comprehensive education program that targets business and personal development needs of OEMs, contractors, business owners, construction materials producers, and other industry professionals. ...

Pneumatic component reliability standards published.(Industry News)
September 1, 2007... The global fluid power industry has agreed upon methods of assessing the reliability of pneumatic components, specifically directional control valves, piston rod cylinders, and pressure regulators, with the publication of the following...

Technical Board and Steering Committee appoints chairs.(Industry News)
September 1, 2007... Thomas Weinkauf, Daman Products Co., Mishawaka, Ind., has been named chair of NFPA's Technical Board and will serve a two-year term. The Technical Board oversees the development of NFPA technical standards and American National Standards for...

Gordon Lyon Benjamin Jr., founder of Warren Electric.(Industry News)
September 1, 2007... Gordon Lyon Benjamin, Jr., Portsmouth, R.I. passed away on August 11. He was 80. During WWII, Benjamin served as an Instrument Specialist and Aviation Mechanic. Afterwards, he entered Clarkson College in Potsdam, N.Y. and graduated in 1951...

Slipform paver uses rotary actuator to combine power with precision: slipform paver offers turning radius of less than 2 ft for increased worksite versatility and efficiency.(MOBILE HYDRAULICS)
September 1, 2007... By incorporating helical, hydraulic rotary actuators to steer the four tracks on its Easi-Pour Compact 880 slipform paver, Huron Mfg. was able to provide its customers with a machine that accomplishes what used to require multiple machines....

Seals are a guardian against leakage: like sunscreen and sunburn, sealing and leakage will always be intertwined. If you misunderstand proper sealing practices, don't expect that maintaining your system will be a day at the beach.(SYSTEM DESIGN)
September 1, 2007... Successful sealing involves containment of fluid within fluid power systems and components--while excluding contaminants. In a typical reciprocating seal, elastomeric materials accommodate dimensional variations caused by manufacturing...

New TPUs meet tougher demands: new formulations of thermoplastic polyurethanes (TPUs) hold promise to boost sealing performance in a variety of applications--not just the most demanding.(SEALS FOR PROFIT-MAKING DESIGNS)
September 1, 2007... The need for longer service life and higher reliability to stave off leakage have driven development of new and improved seal materials in mobile hydraulics for years. According to an assessment made by seal users, the current average operating...

High-strength wear rings.(Product Spotlight on Seals)
September 1, 2007... Powerbands are made from a blend of premium nylon, glass fiber, and PTFE. Their cross-section tolerances of [+ or -]0.001 in. improve alignment and concentric operation of cylinder rods and pistons. Chamfered corners accommodate cylinder...

Cross-drill plugs.(Product Spotlight on Seals)
September 1, 2007... Expansion Rv plugs seal cross-drilled construction holes. Installation is easy with pneumatically powered rivet gun that pulls a tapered mandrel through a sleeve to create an expansion seal. Standard and long mandrel varieties come in metric...

Sealing solutions.(Product Spotlight on Seals)
September 1, 2007... ExpresSeal hydraulic and pneumatic seals range from 0.250 in. ID to 60 in. OD or 6.35 to 533 mm. Profiles include O-ring, wiper, shaft, back-up, guide, piston, rod seals, and heavy-duty U-seals; piston cups; vee packing seals; T-seals; piston...

Flared fitting seals.(Product Spotlight on Seals)
September 1, 2007... Leak-free seals fit flared fittings of 30[degrees], 37[degrees], and 45[degrees]. They are rated for -65[degrees] to 1200[degrees] F and available in 304 and 316 stainless steel and copper for use with all hydraulic fluids. Sealing rings...

Spring-loaded seals.(Product Spotlight on Seals)
September 1, 2007... Large-diameter, spring-loaded seals are designed for challenging applications. Outer and inner shell is made of mild steel. Spring retainer is stainless steel and sealing lip is held in place with garter spring of galvanized steel. They perform...

Pin wipers.(Product Spotlight on Seals)
September 1, 2007... DKIY pin wipers protect the pins that anchor hydraulic cylinders on articulating equipment. Made of polyurethane sealing elements encased in steel backings with metal cladding on both sides, they come in more than 160 sizes from 16 to 190 mm...

Sealing plugs.(Product Spotlight on Seals)
September 1, 2007... Koenig Expander sealing plugs meet TS16949 standard, offering "zero defect" sealing for hydraulic and pneumatic applications. They are available in metric and inch sizes, in carbon and stainless steel. Most styles are RoHS compliant. Blow-out...

Rubber seal plugs.(Product Spotlight on Seals)
September 1, 2007... Rubber seal plugs are designed for industrial tube use. Tapered end ensures snug fit in tight spaces. Non-staining rubber will not damage copper, aluminum, or other metallic tubing. They are available in many rubber grades, including Neoprene...

O-rings, seals.(Product Spotlight on Seals)
September 1, 2007... FlexiMold giant seals ensure tolerances and functional integrity of molded seals. They come in profiles larger than 500 mm or 20 in. and almost infinite cross-sectional diameters. They meet ISO standards and ensure 'zero defect' quality....

Wear-resistant seals.(Product Spotlight on Seals)
September 1, 2007... F-Treated FKM elastomers provide permanent surface treatment that will not dissipate with wear. F-Treat process provides a permanent low coefficient of friction surface on seals. Modification is present beneath the surface of the molded...

Formed connectors do a lot more than eliminate leaks.
September 1, 2007... The best way to eliminate leaks is to eliminate the places where they happen, and in fluid power that would mean eliminating fittings and connectors. Unfortunately, connector-less systems simply aren't feasible in the real world, where...

LS/HT hydraulic motors.(Useful Products)
September 1, 2007... WS family of low-speed/high-torque hydraulic motors feature flow rates to 76 lpm continuous, torque to 824 N-m continuous, and pressures to 207 bar continuous. They are are designed with a three zone commutator valve for higher flow capacity,...

Nylon tubing.(Useful Products)
September 1, 2007... Nylotube nylon tubing comes in semi-rigid and flexible grades, for pneumatic controls and low-pressure hydraulics. It offers low moisture absorption (1.4% maximum at 73[degrees] F) and high resistance to flex fatigue. Lightweight tubing has...

Indicating transmitter.(Useful Products)
September 1, 2007... Model 121 indicating transmitter provides a simple, loop-powered 8-28 Vdc two-wire 4-20mA signal. It features a 1/2-in. NPT interface with easy-to-wire industrial terminal strip and a removable cover. Accuracy is [+ or -] 2% from 20% to 100%...

Pneumatic assembly tools.(Useful Products)
September 1, 2007... Bench-mounted and hand-held pneumatic tools complete several assembly functions. They operate on 85- to 95-psi shop air and are easily moved, allowing rapid adjustment of assembly lines. Set up time is minimized with jaws that can be changed...

Pneumatic valves.(Useful Products)
September 1, 2007... Isys HA (26 mm) and HB (18 mm) ISO 15407-1 valves come with a central 4-pin M12 connector that provides a single electrical connection for single and double solenoids via a cord set linked to an M12 field bus output module or I/O distribution...

Multi-axis motion controller.(Useful Products)
September 1, 2007... RMC150 multi-axis motion controller includes new RMC150E CPU module with built-in 10/100 Mbit Ethernet port and uses RMC100 Series I/O modules. Programming, configuration, diagnostics, and automatic tuning are completed with RMCTools software....

Hydraulic filters.(Useful Products)
September 1, 2007... Triboguard high-performance hydraulic filters use state-of-the-art hydraulic filtration technology to protect systems. Polymer pack design enables long life and is engineered to provide structural strength with minimal flow resistance while...

Compressed air filtration.(Useful Products)
September 1, 2007... Extractor/Dryers efficiently remove moisture and contaminants to improve and extend the life cycle of tools and equipment. Two-stage filters operate most effectively within 25 ft of the point of use. They offer a standard 5-[micro]m rating with...

Mill-duty cylinders.(Useful Products)
September 1, 2007... Imperial mill-duty hydraulic and pneumatic cylinders for primary-metals environments feature a threaded flange for durability and serviceability. They are offered in Vickers AM/MM/WM and Hydro-Line AM/MM/SM series products. They come in bores...

Pneumatic valve manifolds.(Useful Products)
September 1, 2007... Series VV061 Cube manifold comes with 6-mm wide, 3-port valves that operate small bore cylinders or serve as a pilot valve to actuate larger valves. They combine valve, printed circuit board, base, and fittings and consume 0.55 W in standard...

Linear position sensors.(Useful Products)
September 1, 2007... Temposonics RF-series linear position sensors feature a flexible housing for short installation envelopes with long-strokes. Pressure pipe option allows for use in hydraulic applications. Outputs include EtherCAT and SSI. Teflon-coated...

Pneumatic valves.(Useful Products)
September 1, 2007... TC08 and TC15 valves provide flow rates of 0.8 and 1.5 CV, and are 17 or 21 mm wide, respectively. Single valves can be flange-mounted to any flat surface, and modular manifold system has up to 12 valve positions. They come with choice of inch...

Load cells.(Useful Products)
September 1, 2007... LCR series S-beam load cells offer high accuracy and a 5-point NIST traceable calibration. Available in common ranges from 25 to 10,000 lb, they are protected to IP55 and constructed of aluminum for ranges up to 1000 lb and stainless steel for...

Proportional drivers.(Useful Products)
September 1, 2007... Series 5950 and B5950 micro proportional drivers accurately control hydraulic and pneumatic solenoid valves. Fluid flow can be linearly controlled at a setting from 0.010 to 20 sec. They allow a solenoid to oscillate, reducing shock and wear....

Magnetic angular sensors.(Useful Products)
September 1, 2007... Posirot PRAS3 magnetic angular position sensor uses an internal, contact-free permanent magnet to determine the angular position in harsh environments. They feature a compact 1.4-in. diameter housing, with measurement ranges available in...

Industrial shock absorbers.(Useful Products)
September 1, 2007... MC 150H3, MC 225H3 and MC 600H3 industrial shock absorbers decelerate loads, prevent impact damage, improve product performance, increase cycle speeds, and reduce noise. They handle heavier loads moving at slower speeds than with previous...

Talkin' trash: collection and disposal of solid and liquid waste wouldn't be as efficient or economical without innovative hydraulic design in both mobile and stationary equipment.(UTILITY EQUIPMENT)
September 1, 2007... Most of us associate utilities with our monthly bills for gas, phone, electricity, and water. However, waste management is an important utility as well, and many residents now find themselves billed for garbage collection in addition to...

Expanding the bar.(Web Wire)
September 1, 2007... The website for DuraBar, known for their continuous cast iron bar stock, has been expanded and revamped. Visit www.durabar.com to see how its product fares against steel, castings, and aluminum. There is a wealth of specifications,...

2 for 1.(Web Wire)
September 1, 2007... Dynisco has redesigned and updated web sites for both itself (www.dynisco.com) and its Viatran Corp. subsidiary (www.viatran.com). The sites feature easier navigation tools, product search capabilities, and foreign language sections....

Back to school.(Web Wire)
September 1, 2007... If you have a son or daughter interested in following you into engineering, take a look at www.allengineeringschools.com. The website is fairly straightforward (and certainly not very graphics-intensive), but the data seems reasonably good....

The web auto be this way.(Web Wire)
September 1, 2007... Bosch Rexroth recently launched a new website, www.boschrexroth-us.com/automotive, designed to help automotive companies and their suppliers improve productivity, reliability, and efficiency in all areas of manufacturing. Users can access...

Need to act quickly?(Web Wire)
September 1, 2007... Holmbury USA's online home, www.holmburyUSA.com, contains information on its quick-acting couplings and other hydraulic components. The newly revised website allows easier access to technical information and features more intuitive and faster...

Real price$ for real estate.(Web Wire)
September 1, 2007... If you're looking at buying or selling a home (or if you're just nosy, and who isn't?), www.zillow.com is a great resource. Type in an address or city, and this addictive site displays approximate home values superimposed over an aerial map....