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March 2013 Hydraulics & Pneumatics

Publisher's Page

  • Mar. 6, 2013
    Commentary
    Hydraulics & Pneumatics

    New media starting to blend together

    We have written a lot about social media recently both in our printed pages as well as in our blogs. As I understand it, social media continues to change and is even in a state of perpetual change. One thing that has become obvious to me is that there is now a blending of the new and the old. By old, I am referring to more traditional media like this printed magazine, but I am also referring to what can now be considered traditional websites and eNewsletters. The new — which is really only newer — is all aspects of social media including blogs, Facebook, Twitter, LinkedIn, and more....More

Industry News

  • Feb. 19, 2013
    News
    Hydraulics & Pneumatics

    New certification tests released by IFPS

    The International Fluid Power Society (IFPS) has released newly revised Mobile Hydraulic Mechanic (MHM), Mobile Hydraulic Technician (MHT), and Connector and Conductor (CC) Certification Tests including new study manuals for each certification. Certification requires successful completion of a three-hour written and a three-hour job performance (hands-on) test. IFPS Members may download complimentary study manuals; non-members may purchase the manuals....More
  • Mar. 4, 2013
    News
    Hydraulics & Pneumatics

    Fluid Power Conference & Expo: Fantastic four

    Hydraulics & Pneumatics will offer its Fluid Power Conference & Expo (FPCE) four times this year. The first occurrence will be co-located at WasteExpo, the largest event in the waste management industry, at the Ernest N. Morial Convention Center in New Orleans, May 20-23. Conference topics will include hydraulic fundamentals, symbols, circuits, schematics, and troubleshooting, presented by CFC Industrial Training’s instructors. Fluid power companies will also present, and will exhibit in the Fluid Power Pavilion....More
  • Feb. 22, 2013
    News
    Hydraulics & Pneumatics

    ISO released two new technical standards

    Two new technical documents have recently been published from ISO and are now available from the National Fluid Power Association (NFPA)....More
  • Feb. 25, 2013
    News
    Hydraulics & Pneumatics

    More ISO standards released

    Three more new technical documents have recently been published by ISO and are now available from the National Fluid Power Association (NFPA), dealing with hydraulic flange connections and electrohydraulic valves....More
  • Feb. 27, 2013
    News
    Hydraulics & Pneumatics

    Kurt Hydraulics launches redesigned website

    Kurt Hydraulics, Lyman, Neb., has launched a newly redesigned and expanded website at www.kurthydraulics.com. The site showcases a revamped brand identity as a leading designer and manufacturer of hydraulic couplings and hoses....More

Ideas & Applications

  • Mar. 6, 2013
    Article
    Hydraulics & Pneumatics

    Linear displacement transducer isn’t limited by stroke

    One of the challenges with most linear displacement transducers (LDTs) for measuring hydraulic cylinder position is that the stroke must be known when the sensor is ordered. Furthermore, in-cylinder mounting generally requires gun-drilling the cylinder’s piston rod and mounting a magnet to the piston, both of which add to the final cost of the cylinder....More
  • Mar. 6, 2013
    Article
    Hydraulics & Pneumatics

    Big valves use electrohydraulic control

    Mount Thorley Warkworth (MTW) is an integrated operation of two adjacent open cast mines in the Hunter Valley region of New South Wales, Australia. It supplies international and domestic markets with semi-soft coking coal and thermal coal....More
  • Mar. 6, 2013
    Article
    Hydraulics & Pneumatics

    Steering valves keep speed boats on course

    Go-fast boats typically can rip through calm seas at 80 knots or more. Built with a deep V fiberglass hull, these racing boats usually run 30 to 50 ft long and have a narrow beam (width, for you landlubbers) for minimal drag. Oh, and they may be powered by twin engines of 500 hp — that’s each, not in total....More
  • Mar. 7, 2013
    Article
    Hydraulics & Pneumatics

    Offshore operator commits to biodegradable hydraulic fluid

    Jackson Offshore Operators, Harvey, La., is a marine services company supporting the offshore oil and gas industry. Officials recently announced that Jackson Offshore will be outfitting its Jet Drive Fast Crew/Supply boats with EnviroLogic 3046 hydraulic fluid from Terresolve Technology, Mentor, Ohio....More

Motion Control

  • Mar. 7, 2013
    Article
    Hydraulics & Pneumatics

    Wrapping up the operating envelope

    System design normally calls for a specific load to be overcome and propelled at some required velocity. This is called the design pointor design target. A further reality is that most machines are required to operate at an essentially unlimited number of operating conditions as the actuator accelerates, decelerates, and stops. When the system is designed, the design point must accommodate the absolute worst-case operating point expected over the entire lifetime of the machine....More

Features

  • Mar. 11, 2013
    Article
    Hydraulics & Pneumatics

    Slipform paver has all the smarts

    The incorporation of electrohydraulics into road construction equipment continues to reduce the time and cost it takes to build streets and highways while also increasing quality of the road itself. Nowhere is this more evident than with the GHP-2800 slipform paver from GOMACO Corp., Ida Grove, Iowa. The GHP-2800’s all electronic-over-hydraulic control system makes for easy, accurate, and fast controlled response. Furthermore, the GHP-2800’s hydraulic system features a full spectrum of configurations to maximize versatility and efficiency....More
  • Mar. 5, 2013
    Article
    Hydraulics & Pneumatics

    Hannover Fair brings it all together

    Hannover Fair, which runs April 8-12, will feature 11 trade fairs this year under the “Integrated Industry” banner, as it focuses on the growing integration of machines, industrial equipment, work pieces, and system components. This year’s fairs include Motion Drive & Automation (MDA),which is home to hydraulic, pneumatic, power transmission and control companies. The key product categories include pumps, motors, transmissions, drive system components, clutches and braking systems, roller bearings, and gears....More
  • Mar. 8, 2013
    News
    Hydraulics & Pneumatics

    Bauma 2013 puts a spotlight on efficiency

    Bauma 2013, the 30th International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines, Construction Vehicles, and Construction Equipment, will be held April 15-21 in Munich. The event features 570,000 m2 of exhibition space, with almost 3300 exhibitors. These exhibitors are structured into four main categories, with a variety of providers under each area:...More
  • Mar. 8, 2013
    Article
    Hydraulics & Pneumatics

    MRI patients walk on water

    When you go to a hospital or clinic, you expect everything to be not just clean, but spotless. Therefore, you might think we use tap water in the hydraulic system of treadmills that operate in magnetic resonance imaging (MRI) facilities because tap water is clean, so any incidental spills or leaks would be of little consequence. That’s true; when it comes to environmental friendliness, it’s hard to beat plain old water. But that’s not why we use it....More

Automate with Air

  • Mar. 3, 2013
    Article
    Hydraulics & Pneumatics

    Valves keep workers out of harm’s way

    Keeping workers safe in a manufacturing environment demands a healthy respect for the sometimes dangerous interactions between humans and machinery. Fortunately, when it comes to fluid-power systems, once-simple components such as safety-related valves have evolved into highly sophisticated devices....More
  • Mar. 8, 2013
    Article
    Hydraulics & Pneumatics

    Grippers allow for high-speed testing

    Automation specialist PCE Automation Ltd., Beccles, England, offers a unique high-speed machine for testing medical inflation check valves. The one-way valves are used by the medical device industry to inflate or deflate balloons or cuffs, which are built into critical airway management devices such as endotracheal tubes, tracheostomy tubes and urology catheters....More

Troubleshooting Challenge

  • Mar. 8, 2013
    Article
    Hydraulics & Pneumatics

    Street sweeper motor shaft seals failing 2

    Cleaning up the aftermath of Hurricane Katrina was a huge undertaking. Street sweepers were in great demand and used heavily to keep debris off the roads that were still passable. It was important to continually sweep nails and sharp objects that would fall off trash hauling trucks and flatbed trailers. One contractor complained that his sweepers were breaking down frequently due to their hydraulic motor shaft seals failing. The part of the circuit for the brush motors is shown. The motor on the curb side seemed to fail more often than the one on the street side....More

Useful Products

  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Solenoid valves

    HSV high-pressure solenoid valves offer high power density and long life. Available in 2-way poppet and spool designs in standard -10 size cavity and -12, -16 and -20 size cavity poppet designs. They are rated for pressures to 350 bar and feature high flow capacities for each size....More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Hose guards

    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 ......More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Pneumatic stopper cylinders

    Stopper cylinders are available in seven rod-end styles with strokes of 20 and 30 mm and in 32, 40, and 50-mm bores. Shock absorbers are standard on lever/roller-style models; direction of rollers is adjustable. All styles feature magnetic pistons so magnetic sensors can be mounted on cylinder surfaces when input signals are required for controllers....More
  • Feb. 26, 2013
    Product
    Hydraulics & Pneumatics

    Hydraulic hose crimper 1

    S8i/S10i ecoline 2-in. hydraulic workshop hose crimper doubles as a 4-in. industrial crimping machine. Large opening allows crimping of elbow fittings easily, without removal of dies....More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Inclinometers

    BSI inclination (tilt) sensors feature a non-contact absolute measuring principle, offering high repeat accuracy, precision and low temperature drift. They provide continuous positioning of rotational movements, measuring the deviation on a horizontal axis up to 360°....More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Pneumatic valve

    Prospector poppet valve has been expanded to operate in extremely low temperatures, from –40°C (–40°F) to 60°C (140°F). Its high flow and short stroke result in fast response times. It is available in air pilot or solenoid pilot design in a wide range of voltages....More
  • Mar. 4, 2013
    Product
    Hydraulics & Pneumatics

    Electrohydraulic servoactuators

    Digital servocylinders provide positioning of closed-loop control for any hydraulic axis with optional alternated position and pressure/force controls. They include a low-friction servocylinder with integral position/pressure/force transducers and high-performance servoproportional valve with on-board electronic driver and controller....More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Energy-saving dryers

    D-EC energy-saving refrigerated compressed air dryers are available in eight models, ranging in capacities from 10 to 125 scfm. They are ideal for small commercial compressed air users. Thermal mass stores cold energy, providing enhanced operating efficiency over other non-cycling products....More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Custom hydraulic cylinders

    Engineered large bore hydraulic cylinders are custom designed and manufactured and available in bore sizes from 10 to 26 in. with strokes from 1000 to 420,000 in. They are rated for pressures to 10,000 psi. Custom rod coatings include chrome, nickel-chrome, stainless steel, and laser cladding....More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    High-pressure hose reel

    Hand crank and motorized HP1125 series reels include an upgraded swivel for high pressure applications. They are rated for operating pressure to 5000 psi, in 1⁄2- and 3⁄4-in. models. External fluid path configured with an electroless nickel plated steel 90° full-flow NPT swivel inlet....More
  • Mar. 1, 2013
    Product
    Hydraulics & Pneumatics

    Bio-hydraulic fluid earns carbon-free certification 3

    BLC 710 bio-hydraulic fluid is the first hydraulic oil to earn Carbon-free certification from Carbonfund.org and NSF Sustainability. Vegetable-based oil has a viscosity index of 200 and a pour point of –35°C. Its viscosity is 44 cSt at 40°C and 10 cSt at 100°C. Ashless ISO 46 fluid is greater than 60% biodegradable in 28 days. It is available in 20, 205, and 1000 L....More
  • Mar. 11, 2013
    Product
    Hydraulics & Pneumatics

    Oil filter elements

    Oil filter elements remove solid particles, water, sludge, varnish and oxidation residues. Micro-level M series is rated for 2 µm absolute for ß2 >200. Six models are available for hydraulic systems and provide NAS 6 (ISO 16/14/12) or better. Micro-filtration offers an axial flow that creates a 114-mm thick filter build-up....More
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