Piston pumps and motors have been on the market for many years, and they are arguably one of the most important components in many hydraulic circuits. The basic design behind a conventional piston pump usually has seven or nine pistons that convert mechanical torque into oil pressure. In a piston motor, the process is reversed. […]
Linde Hydraulics opens new plant in Weifang, China
In an official ceremony, Linde Hydraulics GmbH & Co. KG opened its newly-built production plant in Weifang, China. The global project team took only two years for completion from concept to opening of this 36,000m2 facility which encompasses an administration building along with 25,000m2 production halls. The new facility consolidates processes previously housed in several […]
Hydraulics innovations in concrete pump trucks
Hydraulics provide the load-holding strength, precision and predictability to keep complex concrete pumps operating smoothly and reliably. Contributed by Carl Dyke, CD Industrial Group Inc. Live Schematics are worth a thousand pictures! Grab your smartphone and scan the QR codes on the Live Schematic images to go to straight to LunchBoxSessions.com and try out these […]
Modular pumps offer numerous control options
The LH30VO Series 20 of hydraulic pumps from Liebherr Components complements the company’s existing portfolio of hydraulic pumps in the medium pressure range. It is based on a modular system that can be adapted flexibly to customer requirements and enable various applications in mobile and stationary hydraulics. The swashplate-type axial-piston unit features a compact housing […]
Hydraulic travel drive controls tire pressure
Controlling the tire pressure of crop harvesters has numerous advantages, due to different vehicle handling characteristics whether operating on roads or in fields. To address the need, Bosch Rexroth introduced the GFT 8150 TIS (Tire Inflation System), which enables dynamically optimized tire pressure in machines, at Agritechnica 2019 in Hannover, Germany. The new GFT 8150 […]
What are PTO through-drive motors?
By Josh Cosford, Contributing Editor If you’ve spent any reasonable amount of time working on or around mobile machinery, you’re very familiar with PTO-driven machinery, including the hydraulic pump. The PTO shaft exiting the rear of a farm tractor is used to power mechanical implements through a drive shaft, such as bailers or mowers, themselves […]
Closed-circuit variable displacement pump for medium-duty applications
One of the new product highlights at ICUEE this week from the Hydraulic Pump and Power Systems Division of Parker Hannifin Corp., was its new PC3, a variable displacement axial piston pump designed to excel in medium duty applications. The PC3 was launched earlier this year. This high performing, robust compact solution was built to […]
Liebherr’s strategy for electric mobile machines
Among mobile-equipment manufacturers, electrification — the concept of replacing diesel engines and traditional hydraulics with electric drives and batteries — is without a doubt a hot topic. But OEMs should consider both the financial and engineering ramifications before jumping in head first, according to Thomas Schulze, Drive System Application Engineer with Liebherr Components in Biberach, […]
Report: Shift toward mechanization increases demand for hydraulic gear pumps
Worldwide sales of hydraulic gear pumps are likely to surpass 55,000 thousand units by end of 2020, according to a recent research study. Rising demand from a wide-range of industries, including agriculture and construction, continues to work in the favor of hydraulic gear pump manufacturers. A report on Hydraulic Gear Pump Market by Fact.MR claims […]
Simplified hydraulic pumps for the low speed, high torque market
Using mechanical energy produced by a machine’s engine, a hydraulic pump can move hydraulic fluid from the pump’s own reservoir to a connected hydraulic motor, converting the mechanical energy to hydraulic energy. The incoming fluid/energy triggers the hydraulic motor to begin rotation, which can be used to actuate a component outside the system, such as […]
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