Hydraulics & Pneumatics articles from August 2004

Hydraulics & Pneumatics archives from August 2004

Squirrel cages: what would PETA think?(Editor's Page)
August 1, 2004... I was recently talking to a colleague about a position she was applying for, and she commented how she hoped they didn't throw all sorts of bizarre terms at her she wouldn't understand. This being a sort of Internet-involved job she was going...

Husco establishes MSOE scholarships.(Industry News)
August 1, 2004... Husco International, Waukesha, Wis., has established annual scholarships at Milwaukee School of Engineering (MSOE) for students interested in the fluid power field. Up to five scholarships of $3,000 each will be awarded annually to...

Engineering a better world.(Industry News)
August 1, 2004... The goal of Engineers Week 2005, held Feb. 20-26, is to celebrate the engineering community and share its positive message around the world. [GRAPHIC OMITTED] Co-chaired by the American Society of Mechanical Engineers and BP plc,...

Simulation conference heads to Atlanta in 2005.(Industry News)
August 1, 2004... The 7th Annual Simulation Solutions Conference, sponsored by the Institute of Industrial Engineers, will be held for the first time in conjunction with IIE's Annual Conference in Atlanta, on May 18-19, 2005. The conference will feature sessions...

IFPE advance registration opens.(Industry News)
August 1, 2004... Advance registration for IFPE 2005, co-located with CONEXPOCON/AGG, opened on August 2. Attendees can register online and arrive at the shows with their badges in hand, avoiding long lines. The show is scheduled for March 15-19, 2005 in Las...

Poster sessions new to NFPA Summit.(Industry News)
August 1, 2004... Our July issue announced NFPA's Educator/Industry Summit and Fall Conference, Sept. 30-Oct. 3 in Scottsdale, Ariz. New to the Summit this year are poster sessions in which faculty members and students will showcase 18 research projects in...

Published technical standards.(Industry News)
August 1, 2004... Four technical documents have recently been published by the NFPA: ISO 14743:2004, Pneumatic fluid power--Push-in connectors for thermoplastic tubes. This International Standard specifies the general requirements and test methods for the...

Controlled speed, thrust, and torque.(50 Years Ago ...)
August 1, 2004... From the August 1954 issue of Applied Hydraulics (the original title of H & P). The Bureau of Mines engineers have been testing various types of rotary drill bits used in mining oil shale. At the start of the project, constant-speed...

Toot your own horn--to kids.(Industry News)
August 1, 2004... "Engineers don't toot our own horns enough," explains Dennis Keitel, a project manager for Hall and Hall Engineers in Cedar Rapids, Iowa. "We're what make the world go 'round. It's important that kids consider engineering as a career." ...

Norgren acquires FAS.(Industry News)
August 1, 2004... Swiss-based Fluid Automation Systems (FAS), a company specializing in miniature solenoid valve technology, is to be acquired by IMI plc, and will become part of the global Norgren group. FAS operates two sites near Geneva and employs 263...

EXPO 2004 mows into Louisville.(Industry News)
August 1, 2004... EXPO 2004, the International Lawn, Garden & Power Equipment Exposition, will be held at the Kentucky Exposition Center in Louisville this September 24-26. Over 30,00 attendees and 500 exhibitors are expected. For more information, or to...

Olympic Stadium is "restyled"--with some help from hydraulics.(Ideas & Applications)(Cover Story)
August 1, 2004... As athletes worldwide have been preparing for this month's Summer Olympic Games in Athens, Greece, so have teams of engineers, architects, and construction workers--as they raced to get the various venues prepared for the throngs of spectators....

Solar panels get orientation help from PLC.(Ideas & Applications)
August 1, 2004... The development of alternate power generation sources that are both economical and environmentally friendly continues to be a focus of nations around the world. For countries in the Mediterranean region, with their abundance of sunshine, this...

Hydraulics helps large barge dredge: hydraulics provides anchor and winch functions for deep-water dredging operation.(Ideas & Applications)
August 1, 2004... For Great Lakes Dredge and Dock Co., Oak Brook, Ill., dredging is a specialized field encompassing a variety of natural underwater materials, including silts, clays, sands, and rock formations. It's within this realm that Great Lakes applies...

Controller ties work functions with powertrain data.(Ideas & Applications)
August 1, 2004... The accepted Recommended Practice for a Serial Control and Communications Vehicle Network is better known as SAE J1939, which actually is comprised of dozens of individual documents. Along with CANopen, J1939 presents standardized application...

Comparing PWM control to pressure compensation.(Motion Control)
August 1, 2004... Continuing the study of pulse-width modulation (PWM) for electrohydraulic motion control, the results of a typical PWM test are shown in Figure 1. It plots pressure at the valve's P port and at the pump's outlet port. The sharp-cornered...

Flow fundamentals: some basics on solenoid-operated directional cartridge valves.(Hydraulic Valves)
August 1, 2004... The sheer variety of solenoid directional cartridge valves (SDCV) prompted the creation of an elaborate system to describe their general qualities. The position of a SDCV describes the number of operating positions of the valve's...

End-of-arm tools do the heavy lifting: vacuum components provide the necessary versatility in today's packaging world, where different sizes and shapes of products is the norm.(Pneumatic Systems)
August 1, 2004... Will Smith's current film, I, Robot, may focus on the darker aspects of the mechanized helpers, but it certainly has the correct idea that robots are everywhere. Using robots to place products in containers, transfer containers between stations...

Understanding tubing troubles: the environment can have a surprisingly detrimental effect on pneumatic tubing. Here's how to identify and understand the causes.(Pneumatic Systems)
August 1, 2004... Pneumatic tubing usually is taken for granted. So when problems occur, they are particularly annoying because tubing often is considered to be a commodity item. But environmental conditions can wreak havoc on tubing. So to avoid recurring...

One of a kind.(Design Close-up)
August 1, 2004... Air Force One compact cylinders from Clippard Instrument Laboratory Inc., Cincinnati, come in double-acting (as shown), spring-return, spring-extend, and double-rod models. An optional magnetic piston allows the use of a position feedback...

Compressors, vacuum pumps & blowers.
August 1, 2004... Function Type Compressor Mechanical Vacuum Centrifugal vacuum pump generator flow Air-Vac Engineering ...

Vacuum ejectors.(Focus on Vacuum Components)
August 1, 2004... A multi-inlet ejector is electronically controlled with eight independent vacuum connections. Features an integrated controller with three solenoid valves and an electronic vacuum switch. Also standard are air filters for incoming air at each...

Suction cups.(Focus on Vacuum Components)
August 1, 2004... Dual-durometer suction cups are made of Duraflex, a polyurethane material that combines the soft elasticity of rubber with the wear resistance of polyurethane. The material also reduces micro-leakage. The cups handle objects weighing from a few...

Suction cups.(Focus on Vacuum Components)
August 1, 2004... Full line of small oval suction cups and non-rotating suspensions, Series OC, are designed to stay aligned for precise placement of long loads or lifting surfaces, and are offered in a wide range of sizes. Cups come in 0.039- to 3.94-in....

Vacuum pumps.(Focus on Vacuum Components)
August 1, 2004... Series 2119V diaphragm vacuum pumps have been specifically engineered to provide long service life. A combination of engineered resin and diecast aluminum construction provides maximum durability. All wetted aluminum parts are epoxy coated for...

Vacuum generators.(Focus on Vacuum Components)
August 1, 2004... CVX emergency stop vacuum generators combine an emergency stop system and air economizing features to minimize air consumption in pick-and-place applications. Emergency stop can maintain the last state of air during power failure. Air...

Poppet valves.(Focus on Vacuum Components)
August 1, 2004... Family of direct solenoid-actuated poppet valves is suitable for use in fine vacuum applications, operate from 0 to 725 psi (95000 series) or 261 psi (960000 series). Other features include short switching times and electromagnetic solenoid...

Conveyors.(Focus on Vacuum Components)
August 1, 2004... Air-operated 316SS Line Vac Conveyors convert ordinary hose or tube into powerful in-line conveying system for food products, pharmaceuticals, and other bulk materials. It features large throat diameters for maximum throughput capability....

Vacuum cylinder with cup.(Focus on Vacuum Components)
August 1, 2004... Vacuum Cylinder is a suitable means of light-duty pick and place, paper handling, and sheet feeding. When vacuum is applied to a single port on the rod guide, the cylinder will extend, grab the part with the vacuum cup, and then retract with...

Telescoping actuators.(Focus on Vacuum Components)
August 1, 2004... Line of telescoping vacuum actuators is fast, lightweight, compact. Have minimum limitation in stroke length, compressed length, and power. When air is applied to a single port, the cylinder will extend with no air leak from built-in central...

Rotary-vane vacuum pumps.(Focus on Vacuum Components)
August 1, 2004... Kinney line of rotary-vane vacuum pumps is for clean or moderately contaminated applications when suction filters are fitted to the pump. Pumps incorporate direct-drive motors and integral oil mist eliminators. Gas ballast valves are standard...

Vacuum generator modules.(Focus on Vacuum Components)
August 1, 2004... ZQ compact vacuum generator and control module is only 10 mm wide, comes with built-in vacuum venturi, 30-[micro] suction filter with replaceable element, long-life solenoid valves, and digital vacuum switch. Venturi generates up to 25 in.-Hg...

Heat exchangers.
August 1, 2004... Fluid Air Petroleum base Water Synthetic fluid Airtek * * * ...

Heat exchangers.(New Products)
August 1, 2004... Brazepak heat exchangers offer high thermal efficiency and withstand high pressures and temperatures. A special brazing process is used to bond stainless-steel plates, which feature a corrugated design for maximum turbulence and high heat...

Filter fittings.(New Products)
August 1, 2004... Fittings protect fuel lines, hydraulic components, and control mechanisms from contamination. Offer high vibration and shock resistance. Made of steel, stainless steel, brass, or aluminum. Available in 1/8- to 2-in. sizes. [ILLUSTRATION...

Pumps with pressure control.(New Products)
August 1, 2004... PVM medium-duty, axial-piston hydraulic pumps are available with proportional pressure compensating control. The control comes in 12 or 24 Vdc, normally open or normally closed, and offers and optional integral connector amplifier. Proportional...

Analog linear position sensors.(New Products)
August 1, 2004... BIL analog absolute linear position sensors upgrade motion-control systems from end-of-stoke to continuous position feedback. Available in 95- and 230-mm lengths. Pure-analog output offers [less than or equal to]1% FS linearity and [less than...

Cartridge-style flow regulators.(New Products)
August 1, 2004... JP02C two-port proportional flow regulators provide precise electrical control of hydraulic fluid flow at pressures to 210 bar. Pressure-compensated spool-type solenoid valves deliver a regulated flow proportional to the input solenoid current....

Hydraulic hoses.(New Products)
August 1, 2004... Hoses target medium- to high-pressure hydraulic applications with working pressures from 1000 to 5000 psi. Constructed of three individual components that are chemically bonded: extruded seamless thermoplastic inner tube, two braids of...

Overbraided PTFE hose.(New Products)
August 1, 2004... Durable stainless-steel overbraided PTFE hose is used for air and liquids. A smooth core is said to offer the lowest coefficient of friction of any solid material. The core is inert and won't impart taste or odor to substances flowing through...

Turbine flow meters.(New Products)
August 1, 2004... CT Series turbine flow meters come with industry-standard 4- to 20-mA or 0- to 5- Vdc linear analog output. Available with U.S. or metric ports and optional built-in bidirectional load valve. Four 0-ring port sizes from #8 to #24 SAE cover flow...

Low differential pressure gages.(New Products)
August 1, 2004... Ashcroft Type 1134 pressure gages offer an optional field-adjustable switch. Features include dual side or back connections, panel-mounting hardware, high static pressure, stainless-steel case, and four wrench flats. The gages can be pipe or...

High-pressure cylinders.(New Products)
August 1, 2004... Model HP cylinders come in 1 1/2- to 24-in. bore sizes. They feature a floating, self-aligning, repairable rod cartridge with a long-lasting sealing system. All NFPA mounting styles and piston rod diameters available. Improved sealing system at...

Compact hydraulic motors.(New Products)
August 1, 2004... The L Frame cartridge mount (LC) and the larger K Frame motor, cartridge and SAE mounts (KV and KC), are suitable for off-highway mobile equipment. They offer compact size, good shift performance, and low noise, as well as five...

Pressure switches.(New Products)
August 1, 2004... The 33L and 33E pressure switches are lightweight and offer [less than or equal to]1.5% FS accuracy. The 33L offers a vacuum and relative pressure rating of -0.5 to 8700 psi. A self-diagnosis function detects system error, and an electronic...

Explosion-proof gages.(New Products)
August 1, 2004... Explosion-proof differential pressure gages and switches are CSA and UL listed. Pressure ranges from 0 to 5 in. [H.sub.2]O through 0 to 6000 psid. Rated NEMA-4X weather-proof, Class 1, Div. 11 and NEMA-7 explosion-proof, Div. 1, Class 1 and 11....

Forged-body needle valves.(New Products)
August 1, 2004... F10 Series forged-body needle valves feature working pressures to 10,000 psig. Straight, 90[degrees], and oblique angle configurations available. A non-rotating hardened needle valve provides positive shutoff. Cold-rolled stem threads provide...

Compact variable pumps.(New Products)
August 1, 2004... The Nachicco II variable pump measures 11.81 X 15.75 in. Capacities reach 16 [cm.sup.3]/rev with 1150 psi and minimal noise. It saves approximately 40% of energy compared with standard units. [ILLUSTRATION OMITTED] Nachi America Inc.,...

Smart features for small vehicles.(New Products)
August 1, 2004... The CL-410 single-board controller targets small, self-propelled vehicles or tow-behind apparatus. The module provides load control and a safety interlock feature. It also provides proportional control to a machine's hydraulics, controls the...

Isolated pressure sensors.(New Products)
August 1, 2004... The AST 4000 family of stainless-steel isolated pressure sensors provide high-accuracy measurement in hydraulics applications. Units are available with outputs of 10 mV/V, 1/2 to 4 1/2 V ratiometric, 1 to 5 Vdc, 1 to 6 V, 25 to 5 V, or 4 to 20...

Magnetostrictive position sensors.(New Products)
August 1, 2004... Temposonics G Series magnetostrictive position sensors are backward-compatible with existing L-Series and Tempo II Series sensors. Enhanced performance qualities include programming and diagnostic features, increased shock and vibration...

Cutting rings.(New Products)
August 1, 2004... The DiNova ring is a new concept of cutting ring for DIN 2353 couplings. It prevents damage to seals, contamination of sealing areas, and the risk of contaminating hydraulic circuits. Includes a mechanical stop that clearly indicates crimp...

Hydraulic cylinders.(New Products)
August 1, 2004... CDT1 Series NFPA hydraulic cylinders offer a nominal pressure to 1500 psi, a bore diameter from 1 to 8 in., and a piston rod diameter from 1/2 to 5 1/2 in. It features 18 standard NFPA mountings, stroke to 120[degrees], and an SAE straight...

Motors, gearmotors.(Useful Literature)
August 1, 2004... Stock catalog 1050 details thousands of motors, gearmotors, gearboxes, accessories, and modifications available as stock items. New products include FHP Washguard SST stainless-steel motors, Washguard JM pump motors, and Washguard brakemotors,...

Sensor selection guide.(Useful Literature)
August 1, 2004... Five catalogs in one, this sensor selection guide comes with a CD and offers detailed technical information, complete with Internet links to product updates. Outlines inductive, photoelectric, capacitive, magnetic field, and electromechanical...

Mobile, industrial hydraulics.(Useful Literature)
August 1, 2004... A guide to mobile and industrial hydraulics highlights a variety of products for both industries. Products include connectors, piston pumps, vane pumps, filters, motors, and valves. The brochure also provides information on the company's fluid...

Heat exchangers.(Useful Literature)
August 1, 2004... Catalog describes fixed-tube bundle heat exchangers that meet a variety of cooling requirements. Offers basic information, detailed technical data, and a selection guide. Young Touchstone Circle 103 [ILLUSTRATION OMITTED]

Hydraulic swivels.(Useful Literature)
August 1, 2004... Catalog describes heavy-duty inline and 90[degrees] hydraulic swivels featuring a ball-bearing design. Includes cross-sectional drawings, ordering information, charts, and product specifications. [ILLUSTRATION OMITTED] Super Swivels...

Select it!(Web Wire)
August 1, 2004... If you have a pneumatic cylinder, chances are Balluff Inc. has a sensor for it. Their website now features an easy-to-use sensor selection center (say that five times fast!) at www.balluff.com/bmf, which quickly matches the correct sensor,...

Put the pedal to the pavement.(Web Wire)
August 1, 2004... If following the Tour de France piqued your biking interest, check out the cycling database at www.bikeleague.org/calendar/eventsQry.cfm. Pick a date range, a state, or an organization, and it will generate a list of rides. The site also has a...

eHere's a new site.(Web Wire)
August 1, 2004... Just when we thought we'd seen the last of the "e" sites... still, you should pay a visit to www.ecompressedair.com for compressed air system components and replacement parts. There is also a nice basics section, for those new to pneumatics...

A worldly view.(Web Wire)
August 1, 2004... The fun site www.world66.com/myworld66/visitedCountries allows users--via simple checkboxes--to select all the countries they've visited. The site then generates a map of the user's travels, and tells what percentage of the world they've seen.

Fluid Power across the pond.(Web Wire)
August 1, 2004... Check out www.motionandcontrol365.com, to see the latest info on the former International Fluid Power Exhibition show. This popular U.K.-based event has been rebranded Motion and Control 365 (The International Fluid Power Exhibition), and will...

Download pictures of models!(Web Wire)
August 1, 2004... No, not those kinds of models, we mean the CAD type. Designers can visit www.deltron.com to access moveable 3D images and downloadable CAD models of Del-Tron Precision's complete linear bearing product line. The site also has some nice...