Hydraulics & Pneumatics articles from February 2009

Hydraulics & Pneumatics archives from February 2009

Why mathematical models?(Editor's Page)
February 1, 2009... If you have been observing from the fringes, you may feel that mathematical modeling is rocket science. It isn't--or, at least, it doesn't have to be. A math model is simply an equation, or set of equations, that defines the physical...

Modular pump drives.(Free Literature)
February 1, 2009... Brochure introduces line of Funk drivetrain components. It describes the benefits of the 5000 configurations available with the modular design. It provides specifications in chart format on pump drives, including maximum input power, maximum...

Sensors, controls.(Free Literature)
February 1, 2009... Master Product Catalog describes sensors and controls, including level, pressure, and flow sensors, and solenoid valves. It starts with a general introduction, which provides product name and type and key features. Specific types are then...

Hydraulic motors.(Free Literature)
February 1, 2009... Catalog highlights WP family of low-speed, high-torque hydraulic motors. Specifications are listed in chart format. They accommodate flow rates to 60 1pm, pressures to 160 bar continuously, and develop torque to 488 N-m. Available in 12...

Pressure switches, transmitters.(Free Literature)
February 1, 2009... [ILLUSTRATION OMITTED] Pressure Monitoring catalog provides an overview of a variety of pressure switches, vacuum switches, and pressure transmitters. It begins with general technical explanations and order matrixes and then provides...

Hose, cord, and cable reel.(Free Literature)
February 1, 2009... Full-color, 40-page catalog showcases industrial and commercial grade reel lines. It outlines new information and products in selection of hose, cord, and cable reels, including six new series of reels with more than 80 new models....

Pneumatic efficiency.(Free Literature)
February 1, 2009... "Energy Efficiency in Pneumatics" brochure provides three areas of cost savings related to compressed air consumption. The first area offers a 15% savings by describing proper dimensioning or sizing of components such as cylinders and valves....

Couplings make the connection in nothing flat.(Ideas & Applications)(Cover story)
February 1, 2009... [ILLUSTRATION OMITTED] The S300 skid-steer loader from Bobcat Co., West Fargo, N. D., takes full advantage of the power and versatility of hydraulics. Its hydrostatic drive delivers 20.7 of flow for travel speeds to 6.9 mph, but a 2-speed...

Protect piston rods, protect your system.(Ideas & Applications)
February 1, 2009... Dollar-for-dollar, piston rod seals may have the toughest job of any component in a hydraulic system. They are one of the least expensive parts in the system, yet they are expected to keep oil in the cylinder within a wide range of temperatures...

Honing fine tunes cartridge valve performance.(Ideas & Applications)
February 1, 2009... A new generation of honing technology is playing a vital role to improve the performance of hydraulic components, providing manufacturers a unique ability to size and finish valve bores precisely. The new honing technology, known as precision...

Manifolds meet accumulators: applying integrated hydraulic circuits to a single component, such as an accumulator, can reap the same benefits as a multifunctional IHC.(CONSTRUCTION EQUIPMENT)
February 1, 2009... A hot topic in all sectors of hydraulics continues to be integrated hydraulic circuits (IHCs). IHCs bring together multiple valves to serve multiple functions into a single manifold or assembly of manifolds. IHCs allow the elimination of many...

Matching filters to real-life conditions: dynamic filter efficiency offers advantages over ISO multi-pass tests in predicting how elements will perform in the field.(FILTRATION)
February 1, 2009... All hydraulic systems have a critical contamination tolerance level often defined by the most-sensitive system components, such as servovalves or piston pumps. Systems are at risk when fluid contamination exceeds this level because fluid-borne...

Modeling the hydraulic pump.(Motion Control)
February 1, 2009... The idea of a set of increasingly detailed mathematical models and their schematic representations was introduced in December 2008's Motion Control. A schematic characterization of the so-called second and third degree models of a hydraulic...

Eliminate compressed air waste.(MRO NEWS & PRODUCTS)
February 1, 2009... AwarenessIdeas.com, Div. of Flexi Display Marketing, Farmington Hills, Mich., offers Leak Tag Employee Awareness Programs to help stop energy waste and improve productivity. [ILLUSTRATION OMITTED] President Marvin Weisenthal says...

Electrical test tools.(MRO NEWS & PRODUCTS)
February 1, 2009... TESlite voltmeter leads identify corrosive and high resistance faults in wiring. They work on systems to 28.5 V and are tested safe on ECM outputs and sensor supply/return voltages. They will be activated to load the test circuit if system...

Industrial leak detection.(MRO NEWS & PRODUCTS)
February 1, 2009... Brochure on Spectroline leak detection products and diagnostic tools details high-intensity, corded UV lamps, such as Maxima ML-3500 and BIB150P, as well as cordless, rechargeable LED flashlights such as the Optimax 3000 and Optimax 365....

Machine vibration: training available.(MRO NEWS & PRODUCTS)
February 1, 2009... New Standard Institute, a maintenance management and skills training provider, offers computer-based training for maintenance professionals. Classes are offered as a CD, online, or for download, and focus on preventing and fixing unexpected...

Testing, maintenance system.(MRO NEWS & PRODUCTS)
February 1, 2009... ET-100 electronic sensor and EasyTest fittings test, troubleshoot, and perform preventative maintenance, while operating safely at pressures to 6000 psi. Large meters feature easy-to-read scales. Load control knob and scale selector switches...

Cylinders, seals need better texture specifications.(Industry News)
February 1, 2009... A discussion group has been formed to work towards improved specification for hydraulic piston rod surface texture. A meeting, led by Bob Flitney, a UK consultant in seal R&D and surface texture, was held in Stuttgart, Germany in October and...

SAE releases valve contamination document.(Industry News)
February 1, 2009... The SAE has published Document J2470: "Hydraulic Fluid Power--Valves--Method for Assessing the Lock Sensitivity to Contaminants," a recommended practice intended to aid in assessing the contaminant sensitivity of hydraulic valves. The...

50 years ago ... from the February 1959 issue of Applied Hydraulics (the original title of Hydraulics & Pneumatics).(Industry News)
February 1, 2009... [ILLUSTRATION OMITTED] A magnetic tracer system on this machine from Expert Die and Tool Co. Inc., Detroit, welds metal parts having untrimmed, out-of-tolerance or contour weld edges in a continuous operation. A mechanical probe mounted...

Pilot testing begins for electronic certification.(Industry News)
February 1, 2009... The International Fluid Power Society (IFPS), Cherry Hill, N.J., is in the final pilot testing stages of its IFPS Electronic Controls Specialist Certification (CFPECS.) With the emergence of electronic controls as the preeminent control...

Tompkins adds warehouse, regional agent.(ON THE MOVE)
February 1, 2009... Tompkins Industries Inc., Olathe, Kan., opened its 11th warehouse in North America, as it has partnered with Hose and Accessory Sales, Houston, to serve customers in the Gulf Coast region. Tompkins also appointed Ralph Puopolo as Northeast...

Marzocchi Pumps relocates.(ON THE MOVE)
February 1, 2009... Marzocchi Pumps USA Corp. moved its North American sales and distribution center from Southern California to Schaumburg, Ill. The new facility will assemble multiple pumps in 2- and 3-stage configurations amongst SAE AA, A, and B styles....

Parker renames division.(ON THE MOVE)
February 1, 2009... The Hydraulic Accumulator Div. of Parker Hannifin Corp. has been renamed Global Accumulator Div. With headquarters in Rockford, Ill., it maintains a production facility in the U.K. and will soon integrate new operations in China and Brazil to...

The sludge effect: preventing harmful sludge buildup by picking the right hydraulic fluid can help you win the race against equipment downtime.(MRO)
February 1, 2009... Imagine running a marathon every day--almost indefinitely--while your coach, right behind you, demands more speed and quicker times. If we were faced with this challenge, we would certainly rely on energy drinks and other performance fluids to...

Get on board with pneumatic control: on-board valve driver makes pneumatics system controller more accurate and efficient.(AUTOMATE WITH AIR)
February 1, 2009... The new LS-C41 pneumatics system controller from Enfield Technologies, Trumbull, Conn., combines a high-speed, high-accuracy analog PID controller with an efficient PWM-based valve driver. This hybrid controller-driver maximizes the performance...

Use compressed air to dry your compressed air.(AUTOMATE WITH AIR)
February 1, 2009... Many professionals estimate that about 95% of all compressed air systems can be classified as utility in nature. Utility air applications include common compressed air tools like blow-off guns, wrenches, grinders, hammers, spraying equipment,...

Pneumatic actuator.(Useful Products)
February 1, 2009... RT series pneumatic linear thruster carries high loads and provides precise load guiding. It is interchangeable with other major brands and can quickly and easily be reconfigured in the field. It comes in seven bore sizes from 9/16 through 3...

Adapters, tube fittings.(Useful Products)
February 1, 2009... Carbon steel adapters are precision machined to meet SAE and other industry standards and specifications. They are used in high-pressure hydraulic and many other fluid applications. Styles include: ORFS, SAE O-ring, split flange, SAE...

Solenoid valve.(Useful Products)
February 1, 2009... [ILLUSTRATION OMITTED] Series 3824 direct acting, 2-way, 2-position or 3-way, 2-position, NC or NO solenoid valve replaces a fitting using a female inlet and male outlet port. Body is mounted into air cylinder port to control a...

Proximity sensors.(Useful Products)
February 1, 2009... Series 7000 proximity sensors detect piston position on 2- to 8-in. bore tie rod cylinders. Self-adjusting clamp grips standard NFPA and custom cylinders. Range of custom circuits includes 1- or 4-A reed switches; NO, NC, or SPDT switch types;...

Directional-control valves.(Useful Products)
February 1, 2009... [ILLUSTRATION OMITTED] SK-G01 wet type solenoid operated directional control valves for outdoor hydraulic equipment offer high dust, water, and vibration resistance. They offer high flow capacity and high pressure capability with minimal...

Bent-axis hydraulic motors.(Useful Products)
February 1, 2009... H1 80-[cm.sup.3] and 110-[cm.sup.3] bent-axis piston motors offer reliability, flexibility, and high efficiency, for low fuel consumption and life cycle costs. Optimized for electrical control, they are fully compliant with company's PLUS+1...

Flange adapters.(Useful Products)
February 1, 2009... Line of flange adapters has been expanded to include square pattern to SAE J518. The new versions allow HPM, Verson, Oilgear, DIN, JIS, and other square mountings to be converted for use with more common SAE and ISO flanges and hoses, improving...

Membrane dryer.(Useful Products)
February 1, 2009... AMD-035 SuperStar membrane dryer provides ultra-clean and dry compressed air without electricity. It lowers air's dew point by at least 20[degrees]F by continuously removing water vapor and venting into surrounding atmosphere. Pre-filtration...

Flow-control valves.(Useful Products)
February 1, 2009... Priority flow control "hammer" valves supply auxiliary power without modifying directional control valves. They are available for single or double pump or load sensing, for use with attachments or applications where precision flow meets severe...

Keeping it simple.(Web Wire)
February 1, 2009... [ILLUSTRATION OMITTED] Sauer-Danfoss Inc.'s new website at www.sauer-danfoss.com features a block format for easy viewing and searching. An introduction provides links and descriptions of all sections. A comprehensive product search offers...

A career introduction.(Web Wire)
February 1, 2009... [ILLUSTRATION OMITTED] A new website and video at www.nfpa.com/careers aims to introduce high school and college students to the fluid power industry. Developed by the The National Fluid Power Association, the video "Your Career in Fluid...

Knowledge at your fingertips.(Web Wire)
February 1, 2009... [ILLUSTRATION OMITTED] A new, simplified site from Atos at www.atos.com, features 360-pages on electrohydraulics with full data and drawings to download, in seven languages: English, Italian, German, French, Spanish, Chinese, and Russian....

The bookstore is open.(WEB CONTENTS)
February 1, 2009... Don't miss a chance to treat yourself to some real fluid power knowledge. We recently added all of Jack Johnson's books to our online bookstore, bringing the total books available for purchase through our site to 18. In addition to old...

Keep on reading.(WEB CONTENTS)
February 1, 2009... If it's difficult to find time to take a course in your field, our "Fluid Power Basics" section might be able to help. More than 70 tutorial-style articles provide you with basic knowledge on critical fluid power components and systems,...

Find them here.(WEB CONTENTS)
February 1, 2009... Finding articles, products, and how-to features that relate to your industry can be easily done by searching our website. Our Technology Zones--located on our home page--are home to many tutorial articles, case histories, and products related...

As easy as pie.(WEB CONTENTS)
February 1, 2009... Searching our Distributor Directory makes finding distributors in your area a cinch. Simply type your zip code into our popular distributor search feature, which can be found by clicking on the Fluid Power Handbook & Directory button on the...