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Mobile Hydraulics Blog

Hitachi mining excavator gets hydraulic system upgrade

October 22, 2021 By Ken Korane

The new EX2000-7 mining excavator from Hitachi features electronic regulation of hydraulic pumps, high-efficiency regeneration, heavy-duty guards for hoses and accumulators, and contamination sensors on pumps and motors.

Hitachi Construction & Mining, a division of John Deere Construction & Forestry Co., announced the EX2000-7 — its latest EX-7 series mining excavator that is said to enhance efficiency, reliability and durability. Its new Cummins QST30-C engines cut fuel consumption for significant cost savings and lower environmental impact. Hydraulic pumps optimized with electronic regulation, high […]

Filed Under: Featured, Industry News, Mobile Hydraulics Blog Tagged With: hitachi

The venerable vane pump – is it still relevant?

October 7, 2021 By Mary Gannon

Specific applications, like injection molding, are ideal for vane pumps. Here, the VSQ (Vane-Speed-Quiet) pump series from Eaton was designed to provide operators with a minimum speed range of 0-50 rpm to decrease energy usage and improve efficiency in dynamic industrial applications like injection molding or metal forming.

By Josh Cosford, Contributing Editor I’ll cut to the chase; the best days for the hydraulic vane pump are likely behind us but they’re not quite ready for extinction. Let me tell you why I feel this way. Just like much of technology from the early days of the twentieth century, the vane pump came […]

Filed Under: Components, Featured, Mobile Hydraulics Blog, Pumps / Motors

Compact excavator features advanced hydraulic controls

September 8, 2021 By Mary Gannon

Low-effort joysticks coupled with a new hydraulic control valve gives Bobcat’s R2-series E88 compact excavator improved metering, movement, and controllability, enabling a quick, smooth, and precise work group for ultimate operator control.

The R2-series E88 compact excavator from Bobcat comes with several new advanced features to provide high power and lift capacity and extra productivity. The machine has a 14% increase in over-the-side lift capacity, as compared to the previous generation. The E88 comes equipped with dual-flange track rollers, integrated counterweight, extra machine weight and added track […]

Filed Under: Components, Controls, Featured, Industry News, Mobile Hydraulics Blog Tagged With: bobcat

Hydraulic “Infinite” cylinder upgrades timber logistics

September 8, 2021 By Mary Gannon

HILA actuators installed on logging trucks and trailers let drivers automatically adjust spacing of the upright support stakes. That can improve vehicle aerodynamics, accommodate varying log sizes and eliminate dangerous manual tasks. | courtesy of Adobe Stock

The Hydraulic Infinite Linear Actuator offers a new way to generate mechanical linear motion. Contributed by Magnus Landberg, Landberg Solutions AB and Magnus Sethson, Linköping University, Linköping, Sweden In the forestry industry, robust and power-dense hydraulics have long played an important role in successful and cost-effective operations. Today, there is also a trend towards larger timber […]

Filed Under: actuators, Components, Cylinders, Featured, Mobile Hydraulics Blog Tagged With: landbergsolutions

Precision is key in agricultural machinery

July 6, 2021 By Mary Gannon

The Fendt Momentum planter from AGCO is the most agronomically advanced planter available worldwide and is designed to consistently place every seed at the optimum depth and spacing while minimizing compaction and eliminating pinch rows. Seeding machines like these rely on the power and precision of fluid power.

The use of GPS technology, coupled with the power and precision of hydraulics, ensures modern farming success. By Josh Cosford, Contributing Editor It’s challenging to find an industry older than agriculture. Humans have been farming for over twelve millennia based on current estimates, making agriculture easily more mature than all other industries outside of carpentry. […]

Filed Under: autonomous vehicles, Components, Cylinders, EV Engineering, Featured, Mobile Hydraulics Blog

LunchBox Sessions and FPW take to YouTube Live again

June 10, 2021 By Mary Gannon

Lunchbox sessions youtube live low-res-live-hydrostatic-drives

Last year, Fluid Power World partnered with the experts at Lunchbox Sessions to promote special, free YouTube Live training sessions to bring accessible fluid power training to the world during lockdown. And although many people are back at work, there is always a need for quality education on hydraulic systems, so we are continuing this […]

Filed Under: Featured, Industry News, Mobile Hydraulics Blog, Pumps / Motors, Valves / Manifolds Tagged With: cdindustrial

Hydraulic cylinder repair: Metric in an Imperial world

May 27, 2021 By Mary Gannon

Imperial versus metric ruler

By Josh Cosford, Contributing Editor We live in a global village where local preferences seem to matter less, and acceptance of unfamiliar ideas more widespread than ever. Thirty years ago, the idea of metric bolts, nuts, threads or other objects measured in round numbers was cringe-worthy, especially in the manufacturing space. Many found it annoying […]

Filed Under: Components, Cylinders, Featured, Mobile Hydraulics Blog

What is the best raw material for hydraulic cylinder repair?

May 13, 2021 By Mary Gannon

adobestock_333592786-piston-rod-stock cylinder repair raw material

By Josh Cosford, Contributing Editor When your customer’s cylinder arrives on your dock for repair, how often do you consider raw material when you quote the overhaul? Probably very little. Most hydraulic cylinders are manufactured from a combination of 1018/1020 cold rolled steel for the “square” components such as flanges, heads and caps. Piston rods […]

Filed Under: Components, Cylinders, Engineering Basics, Featured, Mobile Hydraulics Blog

Load-sensing gets it done in forestry

May 3, 2021 By Mary Gannon

lunchbox sessions load-sensing hydraulics in forestry generic feller buncher

Logging and timber harvesting machinery rely on load-sensing electrohydraulics for efficient, productive operation. Contributed by Carl Dyke, LunchBox Sessions In agriculture, like any other large-scale commodity, productivity and efficiency are keys to profitability and competitiveness. In corn harvesting, for example, it is not uncommon now to find harvesters with 2,000 hp and harvesting headers wider than […]

Filed Under: Components, Featured, Mobile Hydraulics Blog, Pumps / Motors Tagged With: lunchboxsessions

When should you use rotary actuators?

March 23, 2021 By Mary Gannon

Rotary-Actuator-1

Rotary actuators, in many cases, are a hybrid of linear and rotary actuators. Of course, in the fluid power realm, linear and rotary actuators are more affectionately referred to simply as cylinders and motors, respectively. A cylinder creates linear force when pressure acts up its piston’s surface area, while a motor creates rotational force when […]

Filed Under: actuators, Components, Engineering Basics, Mobile Hydraulics Blog

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