Hydraulics & Pneumatics articles from February 2007

Hydraulics & Pneumatics archives from February 2007

Do we need our own degree?(Editor's Page)
February 1, 2007... There seems to be a lot of pent-up frustration lately about fluid power's future and how we should be training our people. We've had a pretty serious discussion on all of this at our Fluid Power Forums (forums.hydraulicspneumatics.com/groupee)....

Hydraulic hose, fittings.(Free Literature)
February 1, 2007... Brochure offers detailed company profile in Italian, English, and French, providing an overview of product capabilities for adapters, crimped fittings, pipes, and hose. Color photos depict products and manufacturing facilities for its hydraulic...

Power steering valves, cylinders.(Free Literature)
February 1, 2007... Brochure highlights the G21 series hydraulic power steering valve, cylinders, and accessories, including pumps, tie rod clamps, dust covers, and reservoirs. It includes product photos and charts with key specifications, such as ball stud...

Miniature air valves, fittings.(Free Literature)
February 1, 2007... New, 388-page catalog features complete line of miniature fluid power products, including specifications, features, technical drawings, color photographs, and application highlights throughout. Six main categories cover pneumatic cylinders;...

The right way to select couplings: mobile equipment manufacturers should pay particular attention to what couplings they use.(HOSE ASSEMBLES)
February 1, 2007... Mobile equipment and off-road machinery that offer the latest electronic innovations, larger capacities, and ease of handling are of little use if they are too expensive to afford. Like most OEMs today, these equipment makers are looking to...

Thermoplastic hose.(Product Spotlight on: Hydraulic Hose Assemblies)
February 1, 2007... Thermoplastic hose assemblies are offered in 100R7 and 100R8 styles, with pressure ratings to 3000 and 5000 psi, respectively. The 100R7 style is available in twin line form and can work in temperatures as low as -70[degrees] F. Standard black...

Threadless couplings.(Product Spotlight on: Hydraulic Hose Assemblies)
February 1, 2007... Quick-Lok threadless couplings are leak-proof and require 1/10 the assembly time compared to standard threaded connections. This increases assembly line productivity and reduces warranty claims and rework. It is available for one- and two-wire...

Spiral hose couplings.(Product Spotlight on: Hydraulic Hose Assemblies)
February 1, 2007... Hydraulic hose couplings are designed to eliminate leaks in non-skive SAE 100 R12 applications and come in 175 sizes and end configurations for pressures to 6000 psi. Steel, one-piece design keeps them rigid and a zinc chromate finish resists...

High-pressure hose.(Product Spotlight on: Hydraulic Hose Assemblies)
February 1, 2007... ParMax 761 hose has working pressure rating of 8000 psi, inner tube of oil-resistant, synthetic rubber, and six spiral piles of steel-wire reinforcement. It is oil-, weather-, and abrasion-resistant. No-skive design eliminates need for removal...

Twin line hose assemblies.(Product Spotlight on: Hydraulic Hose Assemblies)
February 1, 2007... Wire reinforced, thermoplastic hose assemblies offer a 15,000 psi pressure rating. They come in 1/4 and 3/8 in. ID and custom lengths and end fittings. Twin line assemblies are available with quick disconnects installed and pre-filled with...

Electrohydraulic control in plastic parts production.(Ideas & Applications)
February 1, 2007... Electromechanical drives have been designed into injection molding machines in favor of hydraulics for years--beginning with small machines and working into medium-size ones. And as the technology advances, ever larger electromechanical...

Pneumatics ensures safe operation of London's Underground.(Ideas & Applications)
February 1, 2007... Millions of passengers board subways every day and usually take safety for granted--and with good reason. They are among the safest modes of transportation in the wold. One reason is the multitude of checks and balances that have been designed...

Hydraulics makes trash collection more efficient.(Ideas & Applications)
February 1, 2007... OMB Translift Nederland B.V., Dronten, the Netherlands, has specialized in container transportation systems and disposal logistics for years. "In 1984, we introduced a system that has since gone into use all over the world, enabling containers...

Results of a motor simulation.(Motion Control)
February 1, 2007... A program to simulate hydraulic motor performance at low speed was developed over the last several editions of "Motion Control." The actual program was entered into an Interdata timeshared mini-computer and allowed to run until a simulated time...

7 rules for improving the quality of your compressed air: follow these tips to increase productivity and profits in your plant.(MRO)
February 1, 2007... In today's global economy, much has been written on how important it is for U.S. manufacturers to improve productivity and increase profits. The compressed air system remains an excellent source for such increased efficiencies. Like gas,...

Italian fluid power directory available.(Industry News)
February 1, 2007... Assofluid, the Italian Association of Manufacturing and Trading Companies in Fluid Power Equipment and Components, has released its 2006 directory, which contains specific information about member companies and their products. The new,...

Roper acquires sensor-maker Dynisco.(Industry News)
February 1, 2007... Roper Industries Inc., Duluth, Ga., acquired Dynisco LLC, Franklin, Mass., from Audax Group for $243 million. Dynisco, a supplier of software and testing, measurement, and control technologies, has facilities in the U.S., Germany, and Malaysia....

NFPA names new executive director.(Industry News)
February 1, 2007... The National Fluid Power Association named Eric Lanke as its new executive director, effective Jan. 22. Lanke has more than 13 years experience in association management, having worked with one of the top association management firms in the...

Oil Air Hydraulics taps new president.(Industry News)
February 1, 2007... Oil Air Hydraulics, Houston, the North American manufacturing and sales division of the Olaer group, has appointed Klas Bergersen as its new president, effective March 31. He replaces Steve Mermelstein, who is leaving the position to pursue...

Seminars for off-road professionals.(Industry News)
February 1, 2007... The Association of Equipment Manufacturers (AEM) has set a full slate of industry education sessions for 2007, to provide off-road equipment manufacturing professionals with benchmarking information and tools they can use to become more...

Seminar targets dynamic force, pressure, and acceleration.(Industry News)
February 1, 2007... PCB Piezotronics, Depew, N.Y. will host a three-day seminar, "The Successful Measurement of Dynamic Force, Pressure and Acceleration," May 15-17, near its facility in Buffalo. Senior technicians, test engineers, engineering analysts, and...

Oil power for off-shore well drilling.(50 years ago...)
February 1, 2007... Two vital operations are performed hydraulically on a barge designed to reduce production costs of oil well drilling at Venezuela's Lake Maracaibo. Use of this barge eliminates the need for large, expensive drilling platforms. Oil power is used...

Applied Industrial receives award.(50 years ago...)
February 1, 2007... Applied Industrial Technologies, Cleveland, received the Most Successful Newcomer Award (Industry) as part of the Excellence in Partnership Awards program, which is sponsored by the Coalition for Government Procurement and Federal Times, with...

Book helps you get control.(Industry News)
February 1, 2007... Fluid Power Motion Control: A Guide to Practical Design, is a collection of Hydraulics & Pneumatics articles authored by Peter Nachtwey, of whom H&P Editor Alan Hitchcox says: "Few people I've met exhibit Peter's understanding of the combined...

Correction.(Industry News)(Correction notice)
February 1, 2007... Last month's "Editor's Page" contained an error that came about through a combination of misinterpretation from one language to another and from differences in technological terms. Jean-Francois Bauer, marketing director at Mikron Assembly...

Keep your compressed air high and dry: proper selection and application of air dryers maintains system reliability and longevity.(AUTOMATE WITH AIR)
February 1, 2007... Most maintenance and production engineers would say that oil is the major contaminant in their compressed air system. Wrong. Nearly all of the total liquid contamination found in a compressed air system is water, with oil being a small part of...

Exhibition targets lubrication and tribology research.(NEWS & PRODUCTS)
February 1, 2007... The Society of Tribologists and Lubrication Engineers (STLE) will holds its 2007 Annual Meeting and Exhibition May 6-10 at the Philadelphia Marriott. The event focuses on wear, surface engineering, condition monitoring, solid and fluid...

Spring rewind hose reel.(NEWS & PRODUCTS)
February 1, 2007... N500 series high-pressure, spring rewind reel offers a compact frame and narrow base for easy installation. It handles single 1/4 or 3/8 in. ID hose and features a heavy-duty spring motor with self-contained rewind power and four-way roller...

Hygroscopic breathers.(NEWS & PRODUCTS)
February 1, 2007... Des-Case Hygroscopic line of air filter and water vapor removal breathers replace standard breather caps on hydraulic reservoirs, gearboxes, and process tanks. They prevent dirt and water contamination and extend service life of oils, filters,...

Jaw in-shear couplings.(NEWS & PRODUCTS)
February 1, 2007... Six-pin JIS couplings remove and install quickly and easily without need for tools. They offer a 2[degrees] angular misalignment capability, 0.030- to 0.094-in. parallel misalignment capability, and torsional wind-up of 5[degrees] at full load....

Contamination testing kit.(NEWS & PRODUCTS)
February 1, 2007... The Smart Kit measures contamination levels in hydraulic and lubricating oils in real time with a TestMate Contamination Monitor. It can be retrofitted to filter carts, kidney loops, and skids with no additional modifications. It eliminates the...

Drum topper.(NEWS & PRODUCTS)
February 1, 2007... FlowGuard drum topper is a small and portable filtration station that acts as an off-line filter by removing dirt and moisture. It mounts directly on top of a drum and features an incorporated pump. It features an aluminum frame, two-stage...

Grease dispensers.(NEWS & PRODUCTS)
February 1, 2007... Brochure highlights Streamliner lubrication management products, including M (variable feed rate with electromechanical drive), V (variable feed rate with electrochemical drive), GL-P, and GL-M (both spring-loaded) lines. It offers a brief...

Pneumatic grease gun.(NEWS & PRODUCTS)
February 1, 2007... PneuLuber air-operated grease gun is fully automatic and dispenses one tube of grease in less than 1 min. It operates in pressures to 6000 psi and works on small portable compressors by using 40 to 60 psi at 3.5 cfm. Dual-piston gear motor...

String encoders.(Useful Products)
February 1, 2007... PT8600 string encoders consist of rotary encoders mated to linear cable reels to provide linear measurement up to 50 in. They can use incremental or absolute encoders and support common 2 and 2.5 in. square flange encoder mounts as well as 58...

Oil coolers.(Useful Products)
February 1, 2007... High-performance oil coolers feature T-Bar 100% brazed aluminum extruded tube core (no seams) that is capable of handling high flows and high viscosity fluids while the core is protected in a steel frame. Heat exchangers are available in...

Variable displacement mobile pumps.(Useful Products)
February 1, 2007... The axial piston on KVAA variable displacement pumps eliminates need for excessive flow to be diverted to oil reservoir. By using a smaller oil cooler, they reduce fuel consumption and offer easy control of the attachment. They come in three...

NPT valves, fittings.(Useful Products)
February 1, 2007... Line of NPT valves and fittings is made of 316 stainless steel for safe and easy plumbing. Pipe connection valves are offered in two-way straight and two-way angle body configurations. Sizes include 1/8, 1/4, 3/8, 1/2, 3/4, and 1 in. They are...

Short-stroke pneumatic thruster.(Useful Products)
February 1, 2007... P5T2 short-stroke thruster comes in 12, 16, 20, 25, 32, 40, 50, 63, 80, and 100-mm bore sizes with strokes to 200 mm. Maximum operating pressure is 145 psi. It comes with standard through-hole mounting on all sizes and available rear mounting....

Triaxial dc response accelerometers.(Useful Products)
February 1, 2007... Series 3713, high sensitivity, MEMS dc (steady state) response accelerometers are gas damped, and provide micro resolution and [+ or -]5,000 g peak shock survivability. Several full-scale acceleration ranges are available, from 3 to 200 g, with...

Filter breather.(Useful Products)
February 1, 2007... SAP 115 series all-weather filler breather features a reinforced polyamide design that is lightweight and robust. Connection is by a 1-in. BSP, M33x2, or 11/2 in.-BSP. Choices of filters include a 10 [micro] m paper or 3 [micro]m microfiber...

Fixed-displacement motor.(Useful Products)
February 1, 2007... Series 26 motors include a bi-directional fixed-displacement motor that retrofits company's B1 and B2 gear products. Thirteen polished tooth gears minimize pressure ripple, noise, and vibration. Gears and shafts improve mechanical efficiency...

Extractor dryers.(Useful Products)
February 1, 2007... Refrigerated extractor dryers provide low dewpoint temperatures and air line filtration of compressed air. They use cold coalescing to continuously remove condensed liquids and condense aerosols into liquid contamination. They filter solid...

Predictive flow meter.(Useful Products)
February 1, 2007... Brass variable area flow meter operates under pressures to 3500 psi and temperatures to 240[degrees] F. Indicator ring moves linearly for quick, direct visual reading and serves as a predictive tool by eliminating need for calculations or...

Tie-rod, welded cylinders.(Useful Products)
February 1, 2007... Tie-rod and welded cylinders feature iron pistons; iron glands with drilled oil passages; honed steel tubes; hard-chrome plated-rods; iron end mounts; and female clevises with pins and clips. Tube seal is available as O-ring; rod seal of deep...

Rotary pneumatic gripper.(Useful Products)
February 1, 2007... MRHQ rotary air gripper integrates gripping and rotating functions to simplify wiring and piping. It features a vane-style rotary drive mechanism and gripper jaws guided by rigid and precise ball bearing guides. Four sizes have gripping forces...

Rotary torque sensors.(Useful Products)
February 1, 2007... Series 01424 rotary torque sensors use a digital wireless system to measure torque using conventional shaft-to-shaft configuration for in-line placement. They offer low electrical noise emission, 1000 Hz frequency response, and 10,000 rpm...

Low-profile gas springs.(Useful Products)
February 1, 2007... Ultra Force series gas springs provide higher tonnage than traditional compact nitrogen gas springs. They provide more force in less space helping to reduce die costs. Eleven models range from 19 to 195 mm in diameter with contact forces from...

Pipe clamps.(Useful Products)
February 1, 2007... PPAC clamps reduce pipe erosion common in extreme environments. They are easy to install and are available in single standard and twin clamp series in metric and inch sizes up to 1 in. O.D. They have been proven successful in salt spray cabinet...

Safety issues not to be overlooked.(Reader's Forum)(Letter to the editor)
February 1, 2007... With respect to the November 2006 MRO article on "Edger Speed Problems," I would like to bring the following to your attention: 1. Heat is not a reliable source for determining accumulator pre-charge pressure. Heat can only be generated if...

A shout out for the fluid power forums.(Reader's forum)(Letter to the editor)
February 1, 2007... I have been in fluid power design, application, and management for over forty years, and find the www.hydraulicspneumatics.com forums to be very useful in obtaining updated information on fluid power applications. I also enjoy the dialog that...

Dry air stands up to the cold: Pneumatic systems in commercial transportation applications can operate reliably at temperatures down to -40[degrees] if effective drying systems are provided and maintained.(INDUSTRY FOCUS: RAIL & TRUCKING)
February 1, 2007... Whether used for ventilation controls, door actuation, clutches, brakes, auxiliary panels, or any other function, pneumatic components in rail equipment may have to operate in temperatures as low as -40[degrees]. Many manufacturers provide...

Solenoid valves more than worth their mettle.(INDUSTRY FOCUS: RAIL & TRUCKING)
February 1, 2007... Eighteen wheelers and other big trucks use compressed air for actuating, operating, and controlling multiple functions, such as power takeoff, inner axle lock, cabin ventilation, auxiliary axle control, and others. A major truck manufacturer in...