Troubleshooting Challenge: Drill Rig’s Top Drive Drops Uncontrollably…  

A 65-ft.-high drill rig, mounted on a freshwater barge, was allowing its top drive head to drop uncontrollably. The circuit controlling this function shows (see illustration) both a brake (counterbalance) valve and a hydraulically controlled mechanical brake on the hoist function. The systems’ power...
Jan. 17, 2017 |

An Alternative to Displacement Controls

Variable-displacement pumps have emerged as an energy-efficient means of matching hydraulic power transmission to a varying load. The latest method under evaluation is to use alternating-current hydraulics...
Jan. 11, 2017 |
Blog Entry

Motores Hidráulicos Levantan Compuertas en Represa Mexicana

No Sun, 2017-01-15 09:00 Los accionamientos electro mecánicos en las compuertas de aliviadero de la represa de Malpaso en México requerían ser reemplazados. Motores hidráulicos de alto torque y baja velocidad resultaron no solo ser la mejor solución, sino un modelo a replicar para necesidades...
Jan. 15, 2017 |

Educational Opportunities Abound at IFPE Conference (.PDF Download)  

Taking place March 7-11 at the Las Vegas Convention Center, the International Fluid Power Expo (IFPE) will offer educational opportunities targeting multiple areas of the industry. In addition to keynote and plenary sessions... Register or sign in below to download the full article in .PDF format,...
Jan. 13, 2017 |

Hydraulic-Electric Analogies: Transmission Comparisons, Part 2 (.PDF D…  

Continuing the discussion from the last installment of “Motion Control,” internal leakage is not the only loss in the pump. There are technical frictional losses as well. These are symbolized algebraically with R fw , meaning “friction and windage,” an ages-old term for the analogous frictional...
Jan. 13, 2017 |

JFPS International Symposium

No Tue, 2017-10-24 09:00 - Fri, 2017-10-27 17:00 Location ACROS Fukuoka and Fukuoka Institute of Technology 1-1-1 Tenjin Chuo-ku Fukuoka City 810-0001 Japan ARCOS Fukuoka Conference The Japanese Fluid Power System Society (JFPS) is hosting the 10th JFPS International Symposium on Fluid Power Oct...
Jan. 13, 2017 |

An Alternative to Displacement Controls (.PDF Download)  

Displacement control in a hydraulic system often relies on the performance and efficiency of a variable-displacement pump across a wide range of displacements and pressures. For multi-actuator circuits, where multiple pumps are driven on a common shaft... Register or sign in below to download the...
Jan. 11, 2017 |

2017 Work Truck Show

No Tue, 2017-03-14 10:00 - Fri, 2017-03-17 12:00 Location Indiana Convention Center, Indianapolis, IN 100 South Capitol Ave. Indianapolis, , IN 46225 United States 39° 45' 50.2956" N , 86° 9' 51.75" W See map: Google Maps Indiana Convention Center & Lucas Oil Stadium Tradeshow North America's...
Jan. 4, 2017 |

Dana Inc. Acquires Brevini Group Businesses

Brevini Group, S.p.A. and Dana Incorporated have reached a definitive agreement for Dana to purchase 80% of Brevini’s Power Transmission and Fluid Power businesses...
Dec. 29, 2016 |

When a Sight Glass Isn’t Just a Sight Glass

Des-Case Corp., Goodletsville, Tenn., does the sight glass one better with its redesigned oil sight glass (OSG)...
Dec. 28, 2016 |
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