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The latest information on hydraulic and pneumatic motion control. April 4, 2011


Exciting times at Hydraulics & Pneumatics

It has been a busy year for us at Hydraulics & Pneumatics magazine, and we're ready to start showing some the work we have been putting in to make your fluid power experience and knowledge even better.

In this month's edition of Fluid Power Monthly, we introduce our newest guest columnist, Josh Cosford of The Fluid Power House (Cambridge) Inc. Josh is a Certified Fluid Power Hydraulic Specialist and each month, he will be giving readers tips on fluid power system maintenance and design, in a light-hearted manner. We welcome him to the team and hope you enjoy reading him each month!

We just returned from IFPE, where we officially launched our new fluid power training video modules from CFC-Solar. See an introduction of two of them on our website. In addition, we picked up a lot of new exciting industry news, as reported below from Parker Hannifin, and more to come on our website. Be sure to visit our site regularly as we share more web-only content from the show.

- Mary C. Gannon


Articles

Web Guest Column: Fluid Power Tips — The importance of fluid conditioning
Stop, take a deep breath, look around and note where you were when you read this first issue of Fluid Power Tips. Now in 20 years when someone asks if you remember what you were doing when you read the inaugural issue, you'll be able to recall in an instant. Okay, so maybe I'm going overboard.

Honestly, I'm happy you've gotten this far. What you have in front of you is my new venue to connect with everyone in the fluid power industry. Whether you work for a mobile equipment OEM, a large manufacturing facility or a small auto repair shop, this column is your source for tips, advice and knowledge related to the fluid power industry.


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Hydraulic Replacement Seals Available from ExpresSeal®
ExpresSeal® can replace your existing hydraulic or pneumatic seal with near replicas or replacements of the original manufacturer seal. Our experience with various industries gives you the solution you need fast. ExpresSeal® can deliver your seal using popular materials such as Polyurethane, Buna, EPDM, Viton, HNBR, Teflon, filled-Teflon, Silicone and engineered plastics (special compounds are available).


Pneumatics moves hard-to-handle foods
Food packaging operations often need to precisely dispense highly viscous materials such, as peanut butter, shortening, syrups, and food batters. A great way to do it efficiently is by using positive-displacement piston pumps, such as those manufactured by Allenair Corp., Mineola, N.Y.

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Hydraulics goes off spring brakes
Hydrostatic transmissions (HSTs) are widely used in all types of mobile equipment. Not only are they compact and lightweight, but they allow great freedom in design by eliminating the physical constraints of drive shafts and right-angle gear drives. They also allow a wide variety of control configurations, such as speed, torque, and power limiting control, and load sensing. Furthermore, adding a second pump takes up little additional space, yet provides power and control for work functions.

Web Exclusive: Mobile workspaces simplify hose management, maintenance
When working in remote locations (as in mining) or on massive construction projects, a damaged or broken hose assembly can shut a project down. Waiting for repairs or new hoses and assemblies is just not cost or time effective. That’s why Parker Hannifin Corp.’s Hose Products Division debuted its new “ParkerStore Onsite” program at IFPE last month. The program provides fully customizable and mobile workspaces stocked with the inventory and equipment needed for quick, easy and cost-efficient hose assembly.

New Products

Pneumatic valves
VUVG valves from Festo are for use in automation applications where small-scale, technologically universal solutions with high flow rates are required. They offer a high size-to-performance ratio, achieving greater dynamics and up to 100 percent more flow for faster cycle times than similar size valves. They offer flows of 100, 220, 380, 750 lpm. Two 3/2-way valves are integrated in one valve housing. Patented cartridge sealing profile enables vacuum operation, very high flow rates and long life. There is no overlapping between the air ducts, as is common with other valves.

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Miniature Insert Orifices Provide Superior Accuracy
The Lee Company introduces new, miniature, calibrated IMH Insert Orifices for both liquids and gases that can be used in hydraulic controls and commercial and industrial applications. Available in 2.5, 5.5 and 8mm diameters, these new cartridge-style orifices are the smallest, self-retained flow restrictors available, and are designed to provide far more accuracy than an ordinary drilled hole. Accuracy is confirmed by 100% flow testing to ensure that every orifice is within ± 5% of its nominal flow rate.


Proximity sensor
SuperShorty inductive sensor from Balluff will fit into a space as short as 6 mm. It does not require an amplifier and can be installed directly into grippers or fast moving machinery, with frequency ratings up to 3 kHz, without adversely affecting their performance size or weight. All models are reverse polarity protected, short circuit protected, IP65 or IP67 rated and have a current capacity of 150 mA. It is available in three housing styles: 6.5 mm smooth metal, M8 threaded stainless steel, and 6.5 mm plastic. All three feature an 1.5-mm sensing range and are available in both PNP and NPN and both normally open and normally closed versions. Connection options include cable out, M8 quick disconnect and pigtail versions with M8 connectors.

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Air Driven Liquid Pumps
E-, H- & P-Series Pumps are ready-to-run, built to your specifications, tested at our facility and arrive ready for installation. These pumps offer integrated pneumatic and hydraulic circuit options. Peak hydraulic horsepower output of 1.35 (1 kW) @ 2/3 stall pressure, max air consumption of 29 scfm and pressures to 10,000 psi (680 bar). Custom, purpose-built models can be designed and manufactured by our engineering staff.


Push-to-connect fittings
Newloc push-to-connect fittings from NewAge Industries come in acetal copolymer and brass for quick connections to rigid and semi-rigid tubing such as nylon, polypropylene, and polyethylene. They offer instant, leak-proof connections with no flow restrictions, as well as a full vacuum rating (29.9 in/Hg). Brass Newlocs handle temperatures to 200°F and their pressures are limited only by the working pressure of the plastic tubing being used. Pulling on the inserted tubing or increasing the pressure actually tightens the fitting’s seal. Acetal styles are available in sizes ranging from 1/8 to 1/2 tube O.D. and from 4 to 12 mm tube O.D. Styles include tees, elbows, adapters, unions, Y’s, 4-ways, bulkhead unions, and more.

News from MD



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Contact Information
Editorial questions:   Mary Gannon 216-931-9498
Advertising/sponsorship opportunities:   Virginia Goulding 216-931-9893

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