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Mobile Hydraulics Blog

What are the most common hydraulic cylinder piston rod problems?

January 26, 2021 By Mary Gannon

common hydraulic Cylinder piston rod problems

By Josh Cosford, Contributing Editor It would help if you never underestimate the importance of your cylinder rod. The rod is not just the object transmitting the force from the cylinder’s piston but also the interface between that cylinder and your machine. Before you can correctly select and then design the piston rod, you must […]

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

Rating the real performance of hydraulic pumps

January 8, 2021 By Mary Gannon

Innas engineers tested a number of hydraulic pumps and motors at both low and high speeds, with varying results. Hydraulic pump performance

Low- and high-speed tests show that pump and motor performance can vary widely, depending on the speed and pressure. That’s critically important in electro-hydraulic actuators and electric-motor drives. Contributed by Peter Achten and Robin Mommers, Innas BV, Breda, The Netherlands Hydraulic component manufacturers generally publish pump and motor data that reflect optimal performance under ideal […]

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

Rugged transporter handles Antarctic extremes

January 6, 2021 By Ken Korane

Prinoth’s Troll Panther vehicle carries vital supplies to remote Antarctic researchers.

An innovative design based on proven hydraulics and sophisticated controls ensured reliable and efficient performance. Prinoth Panther tracked vehicles are used on challenging worksites around the world. The rubber-tracked crawler carriers minimize damage to the underlying terrain thanks to their low ground pressure and superior stability while carrying payloads of up to 23 tons. They’re […]

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

Electrohydraulic actuators optimize seed depth

January 5, 2021 By Mary Gannon

The Thomson H-Track electrohydraulic linear actuator enabled Graham Electric to implement a compact, wireless electric seed depth management system that could pay for itself within the first year of operation.

Designers for heavy duty motion control applications have traditionally specified hydraulic cylinders for their high speed, heavy load handling and resilience. However, recent advancements that embed hydraulic technology within electric linear actuators have been delivering the benefits of hydraulics without common drawbacks. A prime example of this conversion has been the optimization of seed depth […]

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

Fluid power’s green evolution

December 16, 2020 By Ken Korane

Electric excavator with Danfoss' Digital Displacement technology is part of a green evolution in hydraulics. Courtesy of Danfoss

All indications are that mobile and industrial systems of the future will be more automated and more digitally connected. And many experts contend future systems will also increasingly be low-carbon and electrified. Some construction equipment OEMs, for example, are committed to autonomous control and cloud-based maintenance systems, and next-generation machines that reduce the environmental impact […]

Filed Under: Components, EV Engineering, Featured, Mobile Hydraulics Blog, Pumps / Motors, System Design Tagged With: danfoss

You can’t get something for nothing

November 12, 2020 By Josh Cosford

A float trailer like this one was not able to lift the load required of it because of altered hydraulic pumps were not sized correctly.

I once had a customer call to request I visit them at their own customer’s site to help with a “breakdown.” I’m always down to help a customer, so I gladly paid a visit. Arriving on-site, many looming pieces of machinery greeted me in a heavy equipment yard. An excavator sat atop a float trailer […]

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

High-efficiency hydraulics for electrically powered machines

October 20, 2020 By Mary Gannon

Mobile machines of the future, powered by electric and hybrid drives, will demand more-efficient hydraulic components and systems. Fortunately, a number of designs that minimize losses are in the works.   

Flow-on-Demand systems enable energy-saving mobile drive technology. By Dierk Peitsmeyer, Product Portfolio Manager, Bucher Hydraulics, Klettgau, Germany The Paris Agreement is the landmark environmental accord that aims to address the negative impacts of climate change and substantially reduce global greenhouse gas emissions. Although the U.S. will formally withdraw from the Agreement on Nov. 4, nearly […]

Filed Under: Components, Featured, Mobile Hydraulics Blog, Pumps / Motors, System Design Tagged With: bucherhydraulics

Hydraulics in mining: safe and reliable

August 24, 2020 By Mary Gannon

Hydraulics in mining iStock-904380126

Eliminating downtime and ensuring safety in mining — two benefits hydraulics provides consistently. By Josh Cosford, Contributing Editor More than almost any other industry appropriating fluid power, mining is where safety sits front and center from design to execution. Surface mining enjoys bragging rights to some of the most massive machines ever manufactured by humans. […]

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

East versus West in the mobile equipment battle

July 1, 2020 By Ken Korane

Are Asian manufacturers primed to be the new global superpowers of the industry? Callum Sarsfield, a founding partner at industrial and energy consulting firm Pullmann Global, recently talked with Alan Berger about the global battle for market share and innovation in the construction equipment industry. Mr. Berger was the senior VP of technology at Volvo […]

Filed Under: EV Engineering, Featured, Industry News, Mobile Hydraulics Blog

Land-management loader packs hydraulic horsepower

June 23, 2020 By Ken Korane

All Cat D3 Series loaders feature standard hydrostatic two-speed travel to improve jobsite performance.

Caterpillar recently released the purpose-built Cat 299D3 XE Land Management compact track loader, which is designed to handle demanding vegetation-management applications such as right-of-way clearing near power lines, brush cutting, mowing and mulching. The machine is part of a new series of Cat D3 skid steer loader (SSL) and compact track loader (CTL) models that […]

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

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