Hydraulics & Pneumatics articles from May 2006

Hydraulics & Pneumatics archives from May 2006

Variety is their specialty.(AUTOMATE WITH AIR)
May 1, 2006... Hydraulic cylinders may be the Workhorses of powerful mobile and indusrial hydraulic systems, but air cylinders come in a much wider array of specialty designs and configurations. This makes it a cinch to specify these unconventional cylinders...

Hydraulic hybrids on the horizon.(Editor's Page)
May 1, 2006... President Bush recently spoke about an initiative to develop better gasoline-electric hybrid vehicles. Prior to that, Consumer Reports magazine reported that these hybrids can pose a dilemma for car buyers. On one hand, hybrids do use less...

Filtration: it's the little things that get you: controlling contamination is essential for any successful fluid power system--but do you know where your dirt is coming from?(PROFIT-MAKING DESIGNS)
May 1, 2006... The last time you suffered from the flu, did you think about the size of the virus that was shutting you down? Relate that to a hydraulic system, and you'll find that at least 70% of system failures are caused by something so small that it...

Reservoir breathers.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... H2O-gate reservoir breathers reduce dew point to prevent condensation and are 99.7% efficient in blocking particles 3 [micro]m and larger. A visual/mechanical indicator shows when particles have blocked the media before pump cavitates....

Suction line strainers.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... Suction line strainers are available in 30, 60, 100, or 200 mesh, with or without relief valve. Connector ends come in cast aluminum or glass-reinforced nylon; all-stainless-steel construction available. They fit pipe sizes from 1/4 to 3 in....

Return line filters.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... Return line filters are available in port sizes from 1/2 to 1 1/4 in. They feature an aluminum alloy head and cover, polyamide bowl and bypass valve, and nitrile seals. They are rated for flows to 65 gpm with 10 [micro]m cellulose element and...

Bypass oil filter.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... Oil Cleaner filters out particles, water, and sludge. Precision-spun cellulose cleans oil to five grades cleaner than new for increased productivity, reduced wear, and lower costs. Graduated porosity maximizes dirt retention--larger particles...

Absorptive filter element.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... Beta-rated water absorptive filter element cartridges ensure oil cleanliness is addressed while water is being absorbed. Filter cartridges manage water while delivering a [beta] = 200 ratio. Filtrec North America, (888) 465-8732,...

Return line tank-top filters.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... SLF filters feature two flow ranges--25 and 40 gpm for 1/2, 3/4, and 1 in. NPT and SAE 8, 12, and 16 port sizes. They operate in pressures to 100 psi and temperatures to 230[degrees] F. The filter housing features a 10-[micro]m breather and two...

Pressure filters.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... Compo Care pressure filters are available in seven models--high (6000 psi) and medium-pressure (3000 psi) units and models with NFPA interface and manifold mounting. They are rated for flows to 160 gpm with media from 140 [micro]m wire mesh to...

Acid removal air purifier.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... COP purifier's two-stage replaceable cartridge combines an ion exchange acid absorbing media to control fluid TAN with high-efficiency filtration media to remove solids down to 1 [micro]m. Three sizes are rated for 900 psig and suit...

Single-pass filter kit.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... The 3K9 single-pass filter kit features three K9 filters mounted in series as a single assembly to provide in-line single pass staged filtration or particulate and water filtration. Each filter is rated for flows to 100 gpm and pressures to 900...

Portable filter carts.(Hydraulic Filters for Profit Making Designs)
May 1, 2006... T20 series totes include a 30-gal tote and portable filter cart that fills itself, filters off-line, and dispenses fluids. It features water removal and 3-[micro]m absolute filters and a dessicant breather for air. Y2K Fluid Power Inc.,...

Unconventional HPUs make machines energy misers.(Ideas & Applications)
May 1, 2006... As many plastic injection machine manufacturers move toward all-electric designs, there remains one very important part of the machine that continues to use 30-year-old technology--a "core pull/set" system. Approximately 30% of all machines use...

To boost life and reliability, don't skimp on seals.(Ideas & Applications)
May 1, 2006... Seals are among the least expensive components of a hydraulic system. Yet they are expected to perform flawlessly under a wide range of pressures, speeds, temperatures, and other adverse conditions. When seals do become excessively worn or...

Intensification circuit uses rotary flow divider.(Ideas & Applications)
May 1, 2006... Agerotor-type flow divider provides simple, controllable intensification in the hydraulic circuit patented by patent agent George Morgan, P.E., Evansville, Ind. For example: if hydraulic motor A is the actuator (right), 3-position valve B...

Cat upgrades hydraulics in multi-terrain loaders.(Ideas & Applications)
May 1, 2006... Caterpillar's 267B, 277B and 287B multi-terrain loaders feature new turbocharged engines with more power, higher breakout forces, redesigned operator station components, and, of course, refinements to the hydraulic system. The...

Flow sensor displays, signal processors.(Free Literature)
May 1, 2006... Data sheet reviews displays and signal processors for Activa, Ultima, or Classic turbine flow sensors. Front page includes key specifications (signal use, display rates, etc.). Following pages have detailed information on each product. Product...

Rotary distributors.(Free Literature)
May 1, 2006... Catalog describes two types of rotary distributors--those for slow turning and swiveling movements and those with gap sealing between rotor and stator. It offers application photos, engineered drawings, rated pressure, speeds, key...

Hydraulic hybrid systems.(Free Literature)
May 1, 2006... Catalog features 30 pages of Daikin inverter-controlled energy-saving systems. It gives background on company's technology, and key specifications, principle of operation and energy conservation for Ecorich and Super hydraulic units,...

Optimal design for motor speed control.(Motion Control)
May 1, 2006... Suppose we must power an aggregate conveyor belt with a hydraulic motor. Conveyor speed must be variable, but a dedicated pump is not available. therefore, we must control motor speed with a proportional valve. We can tap into a hydraulic power...

Compressed air/gas software reduces energy costs.(MRO News)
May 1, 2006... UE Systems, Elmsford, N.Y., is offering free software for compressed gas surveys on its website, www.uesystems.com. The software helps users reduce energy costs due to compressed air leaks. The US Department of Energy says compressed air is one...

Forklifts use thermoplastic hose.(MRO News)
May 1, 2006... Thermoplastic hose assemblies, found often on forklift trucks and material handling equipment, can be used in refrigerated warehouses. Two new lines from Pirtek USA, Rockledge, Fla.,--100R7 and 100R8--are rated for pressures of 3000 and 5000...

Oil handling.(MRO Products)
May 1, 2006... Flow Guard oil handling products incorporate hand carts, hydraulic adaptor with breather kits, and drum adaptor with breather kits to keep contamination under control. Hand carts have dual filter media and quick disconnect sealing to eliminate...

Air hose clamps.(MRO Products)
May 1, 2006... Clamps for pneumatic hose and tubing are available in zinc-plated and stainless steel. They do not damage hose/tubing materials and come in sizes as small as 0.98 in. closed diameter. Clamps speed installation, resist tampering, and offer low...

Oil management system.(MRO Products)
May 1, 2006... Oilmiser oil storage and dispensing station is a stand-alone, oil management system with multi-functional capabilities--transfer mode, kidney loop mode, and dispensing mode. It is available in 460 and 850 l tank sizes for industrial lubricating...

Maintenance repair.(MRO Products)
May 1, 2006... Maintenance America catalog has 656 pages with 4000 new items and 24,000 MRO products. It offers descriptions, photos, specifications, technical drawings, and prices for adhesives and sealants, industrial chemicals, coatings, lubrication...

Temperature-sensing labels.(MRO Products)
May 1, 2006... Non-reversible labels indicate abnormal conditions due to heat build-up on worn bearings, low fluid levels and contamination, and excessive loads. They suit temperatures from 100[degrees] to 500[degrees] F and measure a 50[degrees] F range...

Manual pumps.(MRO Products)
May 1, 2006... Manual pumps install easily and transfer lubricants, oils, and fuels quickly without need for air or electricity. Remote dispenser distributes fluid up to 10 ft from pump. Air adapter powers pump by shop air. Kit includes standoff, three seals,...

Digital vacuum gauges.(MRO Products)
May 1, 2006... Digital vacuum gauges are portable, troubleshooting devices that accurately verify system vacuum pressures. KF16 fitting connects to system vacuum fittings to measure from 1 Pa to atmosphere. Easy-to-read display indicates pressure in one of...

Digital pressure gauges.(MRO Products)
May 1, 2006... Digital pressure gauges provide 1/2-percent terminal point accuracy and pressure range of 0 to 10,000 psi. They reduce chance of accidental over-pressure, with proof pressure 120% of range and burst pressure 150% of range. Mico Inc., (507)...

Hybrid vehicle technology conserves energy with hydraulics.(Industry News)
May 1, 2006... A new hydro-mechanical series, the RunWise drive system, from Parker Hannifin Corp., Cleveland, is said to significantly reduce fuel consumption in high start-and-stop applications, such as those used on public buses, delivery trucks, and...

IFPE 2008 dates announced.(Industry News)(Calendar)
May 1, 2006... The next CONEXPOCON/ AGG and co-located IFPE events will be held March 11-15, 2008 at the Las Vegas Convention Center. CONEXPO-CON/AGG focuses on construction industries, while IFPE is a technical conference for power transmission and...

Research studies contamination in hydraulic valves.(Industry News)
May 1, 2006... An engineering professor at the Milwaukee School of Engineering (MSOE) will study silting and contaminant lock in hydraulic valves using analogies to granular flow. Vincent Prantil, Ph.D., an associate professor in the Mechanical...

Fluid power conference slated for Milan.(Industry News)
May 1, 2006... Fluidtrans Compomac will join four other industrial automation shows at Milan's Futuristic Fair Complex of Fiera Milano September 20 to 23. This biennial international exhibition showcases industrial fluid power, motion transmission, drive,...

Tubing distributor opens second facility.(Industry News)
May 1, 2006... Marmon/Keystone Corp., tubular products distributor in Butler, Pa., has opened a satellite operation near Mexico City. The company operates a branch in Guadalupe. Ricardo Hernandez, general manager of the Guadelupe center, will oversee the...

Made to measure: pressure and flow readings provide a means of assessing the performance of hydraulic and pneumatic systems and aid troubleshooting when malfunctions occur.(COMPONENT BASICS)
May 1, 2006... The majority of gauges for measuring pressure have one characteristic in common: the pressure being measured is the only source of energy required to provide a visual indication of static pressure. Some form of elastic chamber inside the gauge...

Dealing with the pressure: pressure is a key factor in almost every fluid-power circuit. Pressure transducers can interface that factor with the control system.(COMPONENT BASICS)
May 1, 2006... Pressure transducers, when connected to an appropriate electrical source and exposed to a pressure source, will produce an electrical output signal (voltage, current, or frequency) proportional to the pressure. Most transducers are designed to...

Pneumatic valves, FRLs.(Useful Products)
May 1, 2006... Maximatic valves, FRLs, and components can be used in packaging, assembly, and manufacturing and are available as 3-way, 4-way, single and double solenoid, and 3 and 4-way air piloted valves. They come in sizes from 10/32 to 1/2 in. and are...

Rephasing cylinders.(Useful Products)
May 1, 2006... Rephasing cylinders save costs for synchronized linear-actuator applications. Two or more cylinders are plumbed in series, with bore and rod diameters sized so all rods extend or retract equally when flow routes to the first, or last, cylinder...

Cartridge valve coils.(Useful Products)
May 1, 2006... Cartridge valve coils tolerate high temperatures and voltage extremes and withstand fluid ingression due to power washing or submersion in water, mud, or snow. Electrical connectors include Deutsch DT04-2P, Metri-Pak 150 series type 1, and 18...

Proportional air valve manifold.(Useful Products)
May 1, 2006... Manifold is used with Watson Smith series of VP12 miniature proportional valves and is DIN rail mountable. It easily integrates into the air regulation system and is configurable from the left or right. It is supplied with built-in push-in...

Directional control valves.(Useful Products)
May 1, 2006... Spool-type directional control valves have integrated sensors to signal spool position. D03 valves operate to 5000 psi with direct and piloted valves standard at up to 4600 psi. D05H to D08 sizes operate up to 6000 psi. Inductive proximity...

Solenoid air valves.(Useful Products)
May 1, 2006... New 310/410 series valves are compact 1/8-in. ported 3 and 4-way direct-acting solenoid valves. They can be mounted in-line or on a sub-base and can be mounted on manifolds. Short-stroke balanced poppet design permits rapid cycling, requires no...

Hydraulic power units.(Useful Products)
May 1, 2006... MPN compact power units contain the pump and motor in one housing. Sound deadening and vibration insulation reduce noise emission to 6 dB. Radial piston pumps achieve maximum operating pressure of 700 bar and gear pumps to 200 bar. Maximum flow...

High-flow valves.(Useful Products)
May 1, 2006... Two new valves--1RDS702 and 1HSH701--are compact with high pressure ratings and low pressure-drop characteristics. The 1RDS702 is used as remote sequence or pilot operated 2-port, 2-way directional valve. It offers flows of 80 lpm and pressures...

Relief valves.(Useful Products)
May 1, 2006... Differential area, unloading relief valves fit into size 10 cavities and are available with adjustable pressure ranges of 50 to 2000 psi and 50 to 4000 psi. They offer flow rates of 1.0 gpm at an operating pressure of 5000 psi. Uni-body design...

Digital pressure gauges.(Useful Products)
May 1, 2006... DPG1200 digital pressure gauges' application-specific integrated circuit design and micro-machined silicon pressure sensor with no moving parts ensure long life. They have 1.0% full scale accuracy and are compatible with clean, dry air, and...

Air valve manifold system.(Useful Products)
May 1, 2006... Plug-in style CD26-PL air valve is 26 mm wide for flows to 1.01 [C.sub.v]. Pneumatic and electrical connections done on base plate. Manifold threaded ports come as NPT or ISO-G (BSPP). Valve operates from single or double solenoid and double...

Vacuum pump exhaust filters.(Useful Products)
May 1, 2006... Balston vacuum pump exhaust filters remove oil mist and reduce noise from vacuum pumps. They are rated for flows from 3 to 850 cfm and remove heavy concentrations of fine oil droplets (below 2 [micro]m) from vacuum pump exhaust. Filter...

Condensate filters.(Useful Products)
May 1, 2006... Condensate filters remove oil and other contaminants from compressed air condensate, making the water safe for drain disposal. The unit requires no electricity and handles most compressor lubricants in two sizes--KCF-20 is rated for flows of...

Sun, sand, and fluid power: Fluid Power Net International's PhD symposium comes to the U.S. for the first time.(CONFERENCE PREVIEW)
May 1, 2006... In recent years, there seems to have been an increase in attendance at fluid power symposiums in Europe and Asia. Part of this may be due to the fact that many organizing universities are making English the official language of the programs, in...

Interchangeable cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Pancake II cylinders come in standard, non-rotating, force-multiplying, and 3-position models with eight bore sizes from 1/2 to 4 in. High-strength, self-lubricating composite cylinder barrels and oversized, non-metallic piston rod bearings...

Large-bore air cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... HD cylinders offer long life in harsh conditions and are NFPA interchangeable. They come in 5, 8, 10, and 12 in. bores and have a heavy-duty external rod bearing in rod end cap that is Teflon-impregnated and hard-coat anodized for smooth motion...

Rodless linear drive.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... GSU linear drives are used in gantries as X-axis or workpiece pallet in material supply. They come in 16 and 25 mm diameters and reach speeds of 1.5 m/sec for short cycle times. Standard guides ensure rigidity and precise slide guiding. Air...

Short-stroke linear actuator.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Powr-tube linear actuators replace multiple short-stroke linear actuators by distributing forces evenly over a large area. They come in bore sizes of 1 to 5 in. and lengths to 100 ft with maximum pressure rating of 100 psi. Lightweight Neoprene...

Lock-and-cushioned air cylinder.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... RLQ compact cylinders feature a locking mechanism and air cushions in a short length. They are available in 32, 40, 50, and 63 mm bore sizes. Lock unit uses same extrusion as cylinder. Simple, one-way lock mechanism is lightweight and compact....

Two-stage telescoping cylinder.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Double-acting, 2-stage telescoping cylinder requires less space than other cylinders. It is rated for pressures to 125 psi with 3/4, 11/2, and 21/2 in. effective bore sizes for strokes to 60 in. NFPA-mountable cylinders are made of anodized...

Compact air-over-oil cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... HyperCyl HZ Series hydra-pneumatic drives produce high forces and operate with a single pneumatic valve and shift to high-pressure mode without an approach stroke, reducing cycle times. Forces of 1 to 20 ton are possible. Strokes are 2 to 8 in....

Locking slide cylinder.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Non-rotating, high-powered thruster achieves strokes to 20 in. One-piece end caps house twin 2 1/2 in. bore cylinders for power to eliminate deflection or drift within cylinder bodies. Locking mechanism keeps cylinder in extended position in...

Pneumatic driver.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Airpel-AB driver's stainless-steel piston fits to the bore to create air bearing airflow effect. Four models with bores of 9.5, 16, 24, and 32.5 mm have strokes of 10 to 300 mm for pressures of 5 to 100 psi. Stiff air cushion prevents contact...

Non-rotating cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... HP.N non-rotating metric air cylinders feature adjustable cushion control, aluminum piston, built-in lubrication, and position-sensing. They are available in bore sizes from 32 to 100 mm for strokes from 25 to 500 mm. Stainless-steel square rod...

Heavyweight cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Tox-Powerpackage cylinders develop from 1 to 200 tons of force with shop air and have automatic activation of power stroke. They operate from pressure of 90 or 145 psi for strokes to 400 mm. A 3-way sequence valve activates power stroke when...

Locking cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Advanced Locking Cylinders with integral Amlok rod clamp control over travel, drifting, bouncing, and reverse traveling. Oversized intensifier ensures long life; high locking force holds rod in mid-stroke position. Clamping is done through...

Telescoping cylinder.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Eight-stage, single-port, double-acting, nested telescoping cylinder features bore sizes of 3/4 to 4 in. and is constructed of hard-anodized aluminum tubes, plastic pistons with O-ring seals, and plastic rod bearings. It is prelubricated for...

Rolling diaphragm cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Diaphragm air cylinders provide frictionless conversion of pneumatic pressure to linear force. Lack of stiction or blow-by ensures accuracy, repeatability, and sensitivity. They are available in strokes of 1.8 to 4.2 in. and are rated for...

Permanently lubricated cylinders.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Miracalube oil-free lubrication provides permanent lubrication between piston seals on cylinder so it runs for millions of smooth, low breakaway startups. Lube does not mist, atomize, dissolve seals, or fuse lip seals to tube ID. Cylinders...

Long-life actuators.(Product Spotlight on Specialty Air Cylinders)
May 1, 2006... Airomatic polyactuators lift loads to 100 lb with 1/2 in. stroke at 50 psig. They have been tested for 5 million cycles without failure or degradation. Compact actuators are constructed of two-pieces of polyurethane welded together for a tight...

We all scream for Igus.(Web Wire)
May 1, 2006... A new portion of the Igus website, located at www.igus.com has been dubbed the Application Corner. This area highlights unique and interesting customer application stories for the company's variety of flex cables, plastic bearings, and other...

Search those PDFs.(Web Wire)
May 1, 2006... DirectIndustry, which can be found online at www.directindustry.com, has launched a major new service allowing engineers to search PDF catalogs by keyword. The search engine instantly isolates the required text or datasheet from multiple...

Advantage: pneumatics.(Web Wire)
May 1, 2006... Norgren recently updated its site, www.norgren.com, to make it more of a one-stop "advantage center" for users' pneumatic questions. Registered users get added goodies, such as white papers, CAD drawings, configuration tools, and even free...