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Hydraulics & Pneumatics Products of the Week (9/19 - 9/26)

From oil coolers to hydraulic hoses and an Ethernet/IP valve interface, this H&P Products of the Week includes the latest components that keep systems efficiently up and running. read more

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Two Speeds Keep CTLs on Track

Sponsored by Eaton Compact track loaders (CTLs) have been the fastest-growing segment of the mobile equipment market since the start of the century. With broad, high-flotation rubber tracks, these...

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Inverter-Driven Hydraulic Power Units

TP and TV series hydraulic power units feature a variable-speed electric motor driving a piston or vane pump, respectively, to match pressure and flow output to demand. The result is 35 to 65%...

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What to Consider When Selecting a Hydraulic Motor

Sponsored by Eaton What are the major considerations I need to think about when designing in (or replacing) a hydraulic motor? When considering reliability, what key...read more

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A Smart New Tool for Predictive Maintenance

Matt Belisle, PumpMD Your smartphone can monitor a hydraulic pump’s health to keep it out of the ER. Your smartphone can monitor a hydraulic pump’s health to keep it out of the ER.read more

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NFPA Reveals Latest CCEFP Projects

The CCEFP's Industry Engagement Committee reviewed and ultimately selected 10 fluid-power-related research projects that will receive funding.read more

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Loader-Backhoe Offers Power, Low Maintenance, and Economy

Alan Hitchcox Case Construction Equipment's 580N EP is a lower-horsepower version of the 580N with the same lift capacity and breakout force with greater fuel efficiency. Case Construction Equipment,...

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Hydraulic-Electrical Analogies: Transmission Comparisons, Part 1

The hydrostatic transmission and Ward Leonard generator-motor drive are so perfectly analogous to one another that they must be included in any complete review of analogies. The hydrostatic...

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Hydraulic Motors Give Mexican Dam a Big Lift

Electromechanical drives on spillway gates at Mexico’s Malpaso Dam needed to be replaced. Low-speed, high-torque hydraulic motors proved not only to be the best solution, but also serve as a blueprint...

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An Alternative to Displacement Controls

James D. Van de Ven, University of Minnesota Variable-displacement pumps have emerged as an energy-efficient means of matching hydraulic power transmission to a varying load. The latest method under...

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Hydraulic-Electric Analogies: Transmission Comparisons, Part 2

From the point of view of hydrostatic transmission, pumps and motors are essentially the same machine. From the point of view of hydrostatic transmission, pumps and motors are essentially the same...

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Motores Hidráulicos Levantan Compuertas en Represa Mexicana

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Troubleshooting Challenge: Drill Rig’s Top Drive Drops Uncontrollably

When a drill-rig operator started the unit and commanded the top drive head to be lowered, it dropped uncontrollably, damaging the drill bit or buckling the drill string. read more

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Hydraulic Cylinders Keep Their Cool

Alan Hitchcox Intense heat is often the Achilles heel of any form of power transmission unless special provisions are made. Hydraulic cylinders often operate under conditions that would quickly...

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Math Models for Hydraulics Coming to ISO

Design methodology will increasingly use an analytical highway that is paved with an innovative, yet practical, set of new first principles using ever more powerful computers.read more

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Hydraulic-Electric Analogies: Transmission Comparisons, Part 3

Analytical schematics reveal the analogous nature of pumps and generators—both suffer resistance losses that lead to inefficiencies. Analytical schematics reveal the analogous nature of pumps and...

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Different Driver, Different Torque

A Staff Report Electric motors can produce starting torque several times that of their operating torque. This gives them an advantage over gasoline and diesel engines for driving a pump in a hydraulic...

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Suction Strainers, a Hungry Donkey, and the Paradox Of Choice

We’re faced with decisions every day. Decisions on minor issues are fairly easy because wrong choices carry little or no consequences. But what about technical issues, such as whether you should use a...

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Double-Indemnity Insurance for Your Pump

Perhaps a compromise can be reached when it comes to the argument of whether or not to use a suction strainer—incorporate a bypass.read more

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Final First Look: Getting Closer to the Biggest Trade Show in Fluid Power

Leah Scully Thousands of fluid power professionals and exhibitors are preparing themselves for IFPE 2017. Held every three years, IFPE will take place at the Las Vegas Convention center on March 7-11...

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