Learn the advantages and disadvantages of the four phases of electrifying mobile machinery — swapping diesel for batteries, optimizing hydraulics, recuperating energy, and going completely electric and eliminating hydraulics. Mobile machinery power transmission is rapidly evolving, driven by regulatory pressures, growing demands for greener technologies, and reduced operational costs. In this article, we delve into […]
4 key considerations when choosing electric motors and equipment
Contributed by Enrique Busquets • Director of Engineering Systems and Components, Bosch Rexroth Fueled by unceasing innovation, electric motors have solidified their position as a catalyst for change, reducing countries’ greenhouse gas emissions (ghg) and lowering total cost of ownership for heavy- and medium-duty vehicles and machinery. The accelerated adoption of electric motors has been […]
Bonfiglioli gears up for MinExpo 2024 with mobile solutions
Bonfiglioli is gearing up to showcase its suite of gear units for mining equipment manufacturers at MinExpo 2024, which will take place September 24-26 at the Las Vegas Convention Center. The company will demonstrate how its combined expertise in mobile and industrial applications empowers OEMs to build next-generation mining machines. “Modern mining equipment requires a […]
Black Bruin X-series is a heavy-duty, compact alternative
Compactness is crucial for many equipment applications, with machine builders aiming for smaller parts that maintain high power. Finnish hydraulic motor manufacturer Black Bruin launched its new X-series for such applications, including recycling, marine and offshore, construction, mining, and material handling. With its patent-pending design, the company aims to enhance the performance, durability, serviceability, and […]
Comparing electric versus hydraulic motors
By Josh Cosford, Contributing Editor Comparing electrical with hydraulics is one of my favorite topics to write about. When you study both fields, you quickly realize how much the concepts, mathematics and symbology coincide. However, not all readers share my same enthusiasm for the analogy. Many years ago, one LinkedIn member commented that I was […]
Danfoss launches ePanda eDrive for low-voltage applications
Danfoss Power Solutions’ new ePanda eDrive for low-voltage applications is designed as a propel solution for mobile elevating work platforms. It is an integrated compact power system comprising an electric motor, microcontroller unit, and reduction gearbox aimed at maximizing efficiency, reliability, and safety. The eDrive joins the ePowerpack in the company’s ePanda series of products […]
Why use OHLAs for electric mobile machines?
Hydraulic motors and pumps with outward-extending shafts can be connected to various driven components, such as pulleys and gears. Overhung loads created by these connections can exert significant radial and axial forces on the hydraulic unit’s shaft and bearings. Overhung load adapters (OHLAs) provide support for these shafts, reducing the load on the internal bearings […]
Moog commits to innovation and continuity in pump production
Moog Inc. announces that the production of radial piston pumps will continue at the Böblingen site after the closure of the Nuremberg plant at the end of 2026. As Moog announced in September 2023, the current production facility for radial piston pumps (RKP) in Nuremberg will be closed by the end of 2026. In this […]
Bailey International now offers quick turnaround on custom gear pumps
After seeing the success through its offering of Salami hydraulic pumps and valves as custom products, Bailey International decided it was time to introduce its own custom gear pumps. This program allows businesses to tailor their gear pumps to their exact specifications, ensuring optimal performance and efficiency for their unique applications. Peter VanKempen, Director of…
When should you use hydrostatic pumps?
The term hydrostatic refers to the fundamental concept we hold dear in fluid power, which is that confined hydraulic fluid under pressure exists in equilibrium and balance. Although hydraulic fluid does no more than hold objects stationary without the active application of force through a pumping device, the concept is entirely different than hydrodynamics, which […]
Raising mobile machine efficiency via advanced electrohydraulics
There is heightened interest in optimizing the performance of mobile machines with electrohydraulic solutions, in particular with the coming need to transition from conventional machines to electrified zero-emission machinery. That’s according to Dr. Steffen Mutschler, Director Sales & Product Management Electrification of Mobile Machines at Bosch Rexroth. In a presentation, Empowering Optimal Performance with Electro-Hydraulic […]
Lightweight hydraulic low-speed, high-torque motors
FluiDyne Fluid Power announced the newest addition to its motor product line: the FM4 series motor, which is now available in stock alongside the FM1, FM3, and FM50/51 models. The FM series geroter gear set and spool valve flow distribution make these hydraulic motors compact, highly efficient, and perfect for low-speed high-torque applications. Whether you’re […]
Troubleshooting Challenge: Cold, weak batteries impact tractor startup
Updated with solution April 18, 2024. By Robert J. Sheaf, Founder, CFC Industrial A student in one of our instructors’ hydraulic classes was having issues with his tractor upon startup. He said that they would sometimes have a tough time starting their John Deere JD 4020 tractor when it was cold or if the battery…
Making headway with hydraulic digital integration
Digital technologies allow for precise, highly responsive and efficient hydraulic control. By Josh Cosford, Contributing Editor In the era of Industry 4.0, where the integration of digital technologies is transforming the manufacturing landscape, on-board electronic controllers play a pivotal role in enhancing the efficiency and precision of hydraulic systems. These controllers, embedded within hydraulic valves…
Metal forming machine maker taps Moog, boosts energy efficiency
Moog helped a manufacturer of metalworking presses develop a first of its kind electrohydraulic high-speed press that recovers energy lost during depressurizing the machine’s hydraulic fluid. The technology regulates energy use with a Moog DE2020 energy management system to keep the power drawn from the grid at a steady, standard load. The machine maker’s original…
Will this crazy motor concept take off in fluid power?
By Josh Cosford, Contributing Editor You may not know this, but I’m a straight-up car fanatic. There are as many car guy tribes as cars, and there are more ways to be into cars without bumper-sticker-level dedication to one brand. Me? I’m a Mazda guy who does the occasional track day, although I lust after […]
Troubleshooting Challenge: truck assembly line hydrostatic transmission overheating
Contributed by Robert Sheaf • Founder of CFC Industrial Training In this month’s Troubleshooting Challenge, a truck assembly line has a lift system to elevate the transmission into position for bolting it to the engine. The operator complained to the maintenance department that the system was very sluggish to respond to the forward and…
Indispensable hydraulics: making light work in waste & recycling
Waste and recycling applications are dominated by hydraulic technologies, where the power density, ruggedness, speed and precision they provide are crucial to uptime. By Josh Cosford, Contributing Editor Hydraulics have proven to be a versatile and efficient technology in various industries, offering precise control, reliability, and extraordinary power density. Some industries are lightly equipped with […]
Agriculture electrifies without bailing on hydraulics
Efficient farming is top of mind for the agricultural industry, but not at the environment’s expense. Though net-zero targets tend to push OEMs toward fully electric and even autonomous machines, there are ways to partially electrify without overhauling a design. HAWE Hydraulik provides examples of how to increase efficiency by electrifying functions strategically. Electrify work […]
How do I know I’ve oversized my pump?
By Josh Cosford, Contributing Editor Oversizing your hydraulic pump is a relatively common error by beginner fluid power professionals or, more likely, entirely untrained individuals tasked with maintaining machinery. Everyone wears many hats these days, so don’t take it personally if you’ve inherited a role that requires skills above your pay grade. More than once […]
How do you know when to replace your hydraulic pump?
By Josh Cosford, Contributing Editor Hydraulic pumps are a fundamental component in hydraulic machinery and they play a pivotal role in ensuring everything runs with the force and reliability you expect from hydraulics. Over time, though, pumps might show signs of wear and tear, just like any other piece of equipment. And just like most…
Energy management system for electrohydrostatic actuation systems
Moog Inc. announced a new Energy Management System (EMS) for machines with electrohydrostatic actuation systems. In the machine manufacturing industry, more and more drive systems are being converted from the servo-hydraulic throttle principle to electrohydrostatic actuation systems (EAS). The 4-quadrant capability of the electrohydrostatic pump unit and servo drive used in this technology, in combination…
Try this trick to avoid buying a pressure compensated pump
Hydraulic piston pumps are the current standard for power, control and efficiency, but such a position in the hierarchy comes with more significant investment and responsibility. Piston pumps are expensive, complicated and involved compared to their lessor counterparts, such as the venerable gear pump. Inexpensive piston pumps still start in the four-figure range, and once…
H1F fixed-displacement, bent-axis hydraulic motor delivers up to 95% efficiency
Danfoss Power Solutions has launched its H1F fixed displacement bent axis hydraulic motor at Agritechnica this week. Designed for open- and closed-circuit applications, the H1F motor offers best-in-class efficiency, proven reliability, and a compact design. The latest development in Danfoss’ high-power H1 series of pumps and motors, the H1F fixed bent axis motor offers overall […]
Four hydraulics designs honored in the 2023 LEAP Awards
This year, four companies have been recognized in the new combined Fluid Power category of the LEAP Awards (Leadership in Engineering Awards). Since the awards inception, fluid power was broken out into Hydraulics and Pneumatics but have been brought together under one umbrella. The LEAP awards acknowledges innovation and engineering achievements from around the globe.…