Hydraulics & Pneumatics articles from June 2003

Hydraulics & Pneumatics archives from June 2003

Modular and compact valve block system.
June 1, 2003... Expand the modular HF03 directional valve block system in single-station increments up to 16 stations--providing up to 32 valve functions. Save space with the 16mm valve width, while obtaining a high flow at .7 Cv. Used with our bus modules,...

RexMover--rodless speed and durability.
June 1, 2003... As the most advanced rodless cylinder, the RexMover line employs a new generation shuttle cylinder design. It's ideal for applications requiring high precision over a long stroke length. Yet the installed length is just over half that of...

Pneumatic ISO valve uses ceramic plates.
June 1, 2003... The CERAM[TM] pneumatic four-way directional control valve uses sliding ceramic plates to provide basic flow and sealing functions. This means the valve won't "stick" like many spool valves. The ceramic plates, warranted for the life of the...

Article of the month. (Highlights).
June 1, 2003... Check out our article index, which includes a feature article each month. Read about the latest in mobile machinery; pneumatics, industrial hydraulics, and more. You'll also find an archive of selected past articles from the pages of H&P.

Win a digital camera. (Highlights).
June 1, 2003... You know your components, right? Tell us what brand names come to mind, and we'll enter you in our drawing for a digital camera, just like Douglas W. Koehler of Caterpillar Inc.! Visit www.fpweb.com/survey_a.php for our hydraulic survey or...

Fluid Power Directory online. (Highlights).
June 1, 2003... The new Web site www.fluidpowerdirectory.com links to home pages of over 200 manufacturers of fluid power components, systems, controls, and related products. The Local Sources section links to local distributors. It also contains directories...

Turning kids into our future customers. (Guest Editorial).
June 1, 2003... Given the current profit squeeze, the last thing you may be considering is helping fluid power education. However, in the long run, that is what's needed. More and better-informed customers will choose fluid power as the solution to their...

Readers' forum.
June 1, 2003... Flying high in Finland It was good to see at least a few Americans at the Scandinavian Fluid Power Conference in Tampere, Finland, last month. But there should have been more at this English-spoken event. One paper, "The Preliminary Design...

What a ride! (Reader Profile).
June 1, 2003... For most of us, the whoosh of a roller coaster, the sounds of the midway, and the smell of cotton candy are reserved for one warm day each summer. But for Brad Nesland, they're just part of his normal workday. Nesland, you see, is director...

Hydraulic jacking project for Big Dig wins CERF award. (Industry News).
June 1, 2003... Hatch Mott MacDonald, Millburn, N.J., was named the 2003 Charles Pankow Award for Innovation winner for its tunnel jacking design for the Boston Central Artery project, commonly referred to as the "Big Dig." The award is given annually by the...

Selection of fluid power drive units. (50 Years Ago).
June 1, 2003... From the September 1953 issue of Applied Hydraulics (the original title of H&P): Two hydraulically driven centrifuges have been built to permit operational testing of guided missile equipment weighing up to 600 pounds under acceleration...

EASA expects 3,000 at 2003 convention in SF. (Industry News).
June 1, 2003... The Electrical Apparatus Service Association will hold its 2003 annual convention and exposition from June 29-July 3 at the Moscone Center in San Francisco. The exposition expects 150 manufacturers, show- casing the latest in electric motors,...

Show your awareness. (Industry News).
June 1, 2003... Did you miss giving us your thoughts on the industry's best fluid power manufacturers? H&P is conducting a series of brand awareness studies for both the hydraulic and pneumatic markets. As a reader of the magazine, we'd like to know your...

And the winner is. (Industry News).
June 1, 2003... Congratulations to Douglas W. Koehler of Caterpillar Inc., who won a digital camera for participating in one of H&P's online surveys. Koehler (shown here in a photo snapped by his new prize) is currently working as a 6 Sigma Black Belt. He...

Anniversaries.
June 1, 2003... RohMax, Darmstadt, Germany, is celebrating the 50th anniversary of its Viscoplex line of oil additives. The foundation for the technology was laid in 1953, when the co-founders of Rbhm & Haas were conducting research in polyalkyl methacrylate...

EOC Conference will provide key market forecasts. (NFPA News).
June 1, 2003... The National Fluid Power Association's annual Economic Outlook Conference (EOC) is scheduled for August 19-20, 2003 at the Renaissance Cleveland Hotel. Once again, this highly respected conference will include an impressive lineup of speakers...

First status report given on Georgia Tech's Fluid Power program. (NFPA News).
June 1, 2003... On April 25, the Georgia Institute of Technology gave its First Status Review of the school's new Fluid Power and Motion Control (FPMC) program. All program supporters and NEPA members were invited to the event. NFPA provided a grant to Georgia...

Searchable database of NCFP Technical Papers now available at www.nfpa.com. (NFPA News).
June 1, 2003... A complete listing of Technical Papers from the National Conference on Fluid Power (NCFP) is now contained in a searchable database at www.nfpa.com. As NFPA celebrates its 50-year history, the association is honoring the history of NCFP by...

Call for papers for 2005 Technical Conference. (NFPA News).
June 1, 2003... NCFP is currently making plans for the 2005 Technical Conference to be held in conjunction with IFPE 2005, The International Exposition for Power Transmission (March 15-19, 2005, Las Vegas). This prestigious conference will feature experts from...

NFPA to sponsor Educators' Summit. (NFPA News).
June 1, 2003... NFPA will sponsor its second Educators' Summit on October 24-25, 2003, at the Marriott Indianapolis Downtown in Indianapolis. The theme of the program is Transforming Motion Control Through Fluid Power: An Exploration of Visions. The summit...

Industry shipments & order statistics. (Industry News).
June 1, 2003... Industry shipments & order statistics Orders and shipments (Cumulative year-to-date percent changes) Pneumatic Industrial Hydraulic Mobile ...

Hydraulics shines bright for car wash operators. (Ideas & Applications).
June 1, 2003... Car washes used to be considered eyesores and were often tucked away behind large department stores. With little emphasis placed on marketability, the car wash equipment industry of the time was largely influenced by price--a deciding factor...

Electrohydraulics automates asphalt application. (Ideas & Applications).
June 1, 2003... Ask someone from a northern state or Canada about the seasons of the year, and you'll likely hear, "We have two: winter and road construction season." This implies that road construction equipment must be designed to operate in hot...

Designing with constant-pressure sources. (Control).
June 1, 2003... Many industrial hydraulic systems require a constant supply pressure, and pressure-compensated pumps are usually the first choice because of their desirable characteristics. These pumps change their displacement to meet load-flow demands. In so...

Air gives boats a lift power. (Pneumatic Systems).
June 1, 2003... After a day of pleasure boating, having to pull your boat from the water using a hand crank is a nuisance similar to taking out the garbage--it's not especially difficult, but it's not something you look forward to, either. Matt Martin, a...

Make pneumatics: quieter and cleaner--it's the law. (Pneumatic Systems).
June 1, 2003... For decades, air exhaust mufflers have been used to reduce noise and emissions of compressed air exhausts. But exhaust mufflers have taken on greater importance with the enactment of OSHA (Occupational Safety and Health Administration) Standard...

Prelubricated air cylinders. (Pneumatic Systems: Literature).
June 1, 2003... Foldout brochure. LM Series aluminum air cylinders are prelubricated, medium-duty, rated 250 psi Available in all NFPA mounting styles and rod diameters with bore sizes from 1 1/2 to 12 in., as well as metric dimensions. Includes advantages,...

Air quality analyzer. (Pneumatic Systems: Literature).
June 1, 2003... Compressed air quality is a major concern in nearly all industries. This brochure spotlights the Finite AQT-4 analyzer. Its software package lets users input location site, choose measurement units, and select the duration of the testing. ...

Pressure controls. (Pneumatic Systems: Literature).
June 1, 2003... Wide variety of high-and low-pressure controls spotlighted in 16-page bulletin. Extensive specification tables allow quick, easy selection of particular product for application. Covers pressure-reducing and backpressure regulators, specialty...

Low-pressure relief valves. (Pneumatic Systems: Products).
June 1, 2003... FEATURES * Accurate to [+ or -]5% at crack pressures from 0.2 to 15 psi * Eliminates sticking and elastomer set * In-line or vent-to-atmosphere with a deflector cap * Meet OEM industrial application requirements Circle...

Vacuum generator. (Pneumatic Systems: Products).
June 1, 2003... SPECS Through port: 10-mm diameter FEATURES * Radial venturi for straight-line passage of air * Clog-resistant * Requires no filtration * Pressure port on side Pneumatic Vacuum Innovations (888) 281-4784 ...

Differential pressure gauges. (Pneumatic Systems: Products).
June 1, 2003... SPECS Pressure rating: 300 psig FEATURES * Operates at [+ or -]5% accuracy * No leakage from high to low side * Optional switch * 5-year warranty * Other models available Mid-West Instrument (586)...

Rail bearing slides. (Pneumatic Systems: Products).
June 1, 2003... SPECS Bore: 12, 16, 20 mm FEATURES * Provides smooth, precise linear motion * Standard internal shock pads reduce noise * Recessed switch slots for easy mounting * Optional 5 mm of travel adjustment PHD Inc. ...

Vacuum conveyors. (Pneumatic Systems: Products).
June 1, 2003... PIAB USA Inc. (800) 321-7422 www.plab.com Circle 284 SPECS Diameter: 21, 33, 56 cm FEATURES * Ideal for pharmaceutical, food, dairy industries * Stainless steel AISI 31 6L * Filter traps particles as...

Push-in fittings. (Pneumatic Systems: Products).
June 1, 2003... FEATURES * Types: in. (Type QB); metric hybrid (Type QS-H) * Stainless-steel retaining ring holds tubing securely * NBR rubber-sealing ring * Installs easily without tools * Available in straight, elbow, T configurations...

Stainless-steel cylinder. (Pneumatic Systems: Products).
June 1, 2003... SPECS Bore size: 5/8, 3/4, 11/16, 1 1/2, 2, 2 1/2 in. Stroke range: 1/4, 1/2, 1, 1 1/2, 2,3,4 in. FEATURES * Stainless-steel tube, roller-burnished piston rod * Tie-rod construction for easy seal replacement *...

Miniature grippers. (Pneumatic Systems: Products).
June 1, 2003... SPECS Stroke wedge: 7[degrees] Closing torque: 6, 20, 40 N-cm Size: 11 x 63 mm, 16 x 84 mm FEATURES * Jaws of steel * Air connections on back * Can be changed from pneumatic-closing and spring-opening to...

Polymer & Brass manifolds. (Pneumatic Systems: Products).
June 1, 2003... SPECS Tube inlet ports: 3/8 in. (polymer) Tube outlet ports: 1/4 in. (polymer) Operating pressure range: 27 in. Hg vacuum to 250 psi (polymer) Operating temperature range: -40[degrees] to 200[degrees] F (polymer) and...

Miniature pneumatic valve. (Pneumatic Systems: Products).
June 1, 2003... SPECS Flow rate: 0.022 [C.sub.v] FEATURES * Double configuration to save space * 25-pin D-sub connection, ribbon cable options * 12-Vdc valves now available * Compact footprint Bosch Rexroth Corp., Pneumatics....

Squeezing hose into cramped quarters: when a sugar cane harvester posed serious challenges to hose routing, threadless connectors helped provide a solution. (AG Industry).
June 1, 2003... Among the agricultural equipment manufactured by Bunmei Mfg., Kagoshima, Japan, the HC-50 sugar cane harvester presents a real challenge for routing hydraulic lines between pumps, valves, filters, and actuators. These actuators include a pair...

Smooth operators: most hydraulic systems can benefit from accumulators, which can increase efficiency, provide smoother, more reliable operation, and store emergency power in case of electrical failure. (Components).
June 1, 2003... Accumulators usually are installed in hydraulic systems to store energy and smooth out pulsations. Typically, a hydraulic system with an accumulator can use a smaller pump because the accumulator stores energy from the pump during periods of...

The pulse of the industry.
June 1, 2003... Recent component-maker mergers and acquisitions have shaken the industry, leaving many to wonder what the effects will be. Will designers find it easier to get hat they need? How will companies ensure their purchasing process remains seamless?...

Yes, we need a manufacturing base. (Publisher's Desk).
June 1, 2003... The debate over whether or not America needs to remain a strong manufacturing nation has been going on for at least two decades. On one side are economists who claim the United States does not need brick-and-mortar factories. They say we can...

The Cold War is heating up again. (Publisher's Desk).
June 1, 2003... Here is something you won't read in your local newspaper but was pipelined to me from inside the Beltway of our nation's capitol. Among the big losers in the Iraq war are the Russians. An unpublicized fact is that the Russians designed...

Hydraulic shock absorbers. (New Products).
June 1, 2003... SPECS Bore sizes: 5 to 32 mm Strokes: 5 to 60 mm Impact force ranges: 45 to 1429 [lb.sub.f] FEATURES * Heavy duty * Adjustable to accommodate varying loads * Spring return * Self-adjusting cushioning Festo...

Pressure snubber. (New Products).
June 1, 2003... SPECS Pipe sizes: 1/8 to 1/2 in. Tube sizes: 1/4 to 3/8 in. Materials: brass, aluminum, 303 and 316 stainless steel, monel FEATURES * Minimizes damaging spikes and pressure surges to gauges and transducers *...

Long stroke shock absorbers. (New Products).
June 1, 2003... SPECS Load conditions: 75 to 2300 in.-lb Speed conditions: up to 180 in/sec FEATURES * Consistent, soft energy absorption for vigh-velocity applications * Incorporates progressive-damping technology * Suitable for...

Shock absorbers. (New Products).
June 1, 2003... FEATURES * Rolling diaphragm seal system * Hex socket for easy installation * Use in end covers of pneumatic cylinders * Superior damping effect Ace Controls Inc. (24 8) 476-0213 www.acecontrols.com Circle...

Shock suppressor. (New Products).
June 1, 2003... FEATURES * In-line design * Suppresses fluid pulsations or fluid shock * Reduces fluid-born noise * Charged with nitrogen to 50% of system pressure Wilkes & McLean (877) 534-6445 www.wilkesandmclean.com ...

Digital gauge. (New Products).
June 1, 2003... SPECS Range: vacuum to 9,999 psi FEATURES * 0.5% full-scale, terminal-point accuracy * Nine selectable units of measure * 1/2-in.-character display * Stainless steel sensor and socket Dresser Instruments ...

Educational video. (New Products).
June 1, 2003... FEATURES * Illustrates concepts in operation of electrohydraulic positional servomechanisms * Combines cutaway drawings with schematic diagrams * Learning-exam has more than 50 comprehensive questions * Optional exam graded...

Digital injection cylinders. (New Products).
June 1, 2003... FEATURES * User-selectable internal or external injection profile control * Easy setup * Advanced control algorithms for fast, accurate response * WinHost software includes data acquisition and real-time graphing * Use for...

Plunger pump. (New Products).
June 1, 2003... SPECS Pressure: 4000 psi FEATURES * Direct drive * High-pressure seals * Solid ceramic plungers * Dual, heavy-duty ball bearings * Forged brass manifold head Cat Pumps (763) 780-5440 ...

Photoelectric sensors. (New Products).
June 1, 2003... FEATURES * Standard 18mm configuration * Tubular or block types * Easy-to-use potentiometer * Object detection threshold is easily set * Class I laser or visible red laser emission * Straight or right-angle sensing...

Variety pack of seals. (New Products).
June 1, 2003... FEATURES * Can be branded with company name, logo * Two seals in 1/4, 3/8, 1/2, 5/8, 3/4, 1 in. * Stainless steel sealing ribs * Coated with Loctite Vibra-Seal * In stock for immediate shipment Flaretite Inc. ...

Pressure gauges. (New Products).
June 1, 2003... SPECS Size: 1 to 2 1/2 in. FEATURES * Plastic, steel, stainless steel housings * Dry or liquid-fill * For pneumatic or hydraulic applications * Panel-mount options include ABS-threaded ring system F+R Gauges...

Water-free hydraulic fluids. (New Products).
June 1, 2003... FEATURES * Biodegradable * Does not hydrolyze in water * Exceptional load-carrying capabilities * Corrosion protection * Classified as Flammability Rated Group-1 by FM Approvals Dow Chemical Co. (800)...

Magnetostrictive sensors. (New Products).
June 1, 2003... FEATURES * Preassembled, shielded wire connections * Waveguide sensing element * Free-floating magnet calculates exact position * Variety of lengths available * Optional mounting feet and screws * Output wire connects...

Relief valves. (New Products).
June 1, 2003... SPECS Pressure: 5 to 10,000 psig FEATURES * Encapsulated seat seal * Delta stem seal system * Raised lip on poppet * Meets OEM industrial requirements * Five models available Circle Seal Controls Inc. ...

Differential pressure instruments. (New Products).
June 1, 2003... FEATURES * Direct mount on filters, pumps, tanks, hydraulic systems, fluid lines * For gas or liquid service * Piston or diaphragm models * Dial-pointer gauges, differential pressure switches, gauge/switch combinations *...

Hydraulic control valves. (New Products).
June 1, 2003... SPECS Flow rate: 60 1pm, CDS 60; 100 1pm, CDS 100 FEATURES * Easy to install * Modular construction * Retains more power for hydraulic system * Numerous spool and control options Sauer-Danfoss Inc. (515)...

Pressure gauges. (New Products).
June 1, 2003... SPECS Dial size: 1 1/2 to 4 in. FEATURES * For hydraulic and pneumatic applications * Brass, steel, stainless steel cases * Dry or liquid-filled * Digital gauge includes backlight * Back or bottom connections ...

Explosion-proof gauges and switches. (New Products).
June 1, 2003... SPECS Differential pressure range: 0-100 psid Working pressure range: to 4,000 psid FEATURES * Available in one- or two-switch or relay configurations * Variety of switch, relay options * Compact, lightweight *...

Load-sensing valves. (New Products).
June 1, 2003... FEATURES * CAN-Bus pilot control module * Open- and closed-loop control options * Section pressure compensators * Low hysteresis * Manual override * Two sizes: M4-12, M4-15 Bosch Rexroth Corp. (330) 263-3317...

Linear pententiometer. (New Products).
June 1, 2003... SPECS Measurement: full-stroke from 1 to 10 in. Resistance: 2.5 to 10 k[OMEGA] FEATURES * Combination of felt and O-ring seals * Easily integrated into pneumatic cylinders * Three-pronged, claw-type wiper *...

Rubber seal plugs. (New Products).
June 1, 2003... FEATURES * Material reseals after needle insertion of gases * Hole in tab permits use of plunger to insert gases * Tab provides easy removal * Variety of lengths, diameters * Standard black or custom colors StockCap...

Accelerometer. (New Products).
June 1, 2003... SPECS Range: 5, 10, 50 G Sensitivities: 1000, 500,100 mV/g FEATURES * Three built-in IEPE electronic impedance converters * Ceramic shear sensor * CE compliant * Epoxy-sealed, anodized-coated, aluminum housing ...

Quit hosing around. (Web Wire).
June 1, 2003... For those of you who aren't familiar with NAHAD, it is the National Association for Hose and Accessories Distribution. If you feel the need to become even more familiar with this group, we suggest visiting the newly redesigned Web site,...

ANSI-approved pumps standard. (Web Wire).
June 1, 2003... The Hydraulic Institute's site, at www.pumps.org, allows users to download free copies of their new 2003 Standards Cross-Reference Guide. The Guide, along with a 32-page master index, assists current standards users in identifying the updates...

Ask Craig. (Web Wire).
June 1, 2003... We all know that Santa has a list and is checking it twice but Craig also has a list and it's just as interesting and informative. Check out www.craigslist.org for everthing from job opportunities to housing to community details. Although the...

What do you wanna do? (Web Wire).
June 1, 2003... There is a little bit of something for everyone at www.soyouwanna.com, a site that explains things your parents and high-school teachers neglected to teach you. So you wanna drive across the country? So you wanna flatter your abs? This site...

Secret fun. (Web Wire).
June 1, 2003... What do computer programmers do when they get bored? They create "easter eggs," messages hidden in the object code of a program as a joke, intended to be found by persons disassembling or browsing the code. Easter eggs can also encompass a...