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 […]
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Modular and block control valves for excavator use
Linde Hydraulics GmbH & Co. KG has introduced a new generation of control valves for use in wheeled excavators. The new valve block VW 22/18 M5-03 for the open circuit is characterized by its modular system, while the monoblock with five sections plus pressure relief section represents the basic set-up. Optionally, three additional sections can […]
Caterpillar expands technology platforms for hydraulic mining shovels
The Cat Next Generation hydraulic mining shovel displayed at MINExpo 2021 is engineered for the future, according to Caterpillar officials. The design fully integrates Cat Electronics and provides a platform to support innovation and technology expansion. The Next Generation shovels will feature five standard technologies, including Hydraulic Optimization, Operator Assist: Enhanced Motion Control (EMC), Product […]
Hoseless drilling machine improves uptime
At MINExpo 2021, Komatsu introduced a new underground hard rock drilling machine with several advanced features originating from customer input and collaboration. Unlike previous models, it includes hoseless booms. The ZJ32Bi is a battery-electric, medium-class jumbo which, according to the company, is built on a common platform for increased user adoption and efficient training. A […]
Liebherr advances hydraulic efficiency and zero emissions
The global mining industry has demonstrated its commitment to cut greenhouse gas (GHG) emissions in support of the Paris Agreement, with many major mining companies announcing decarbonization targets over the past 18 months. This increased focus on GHG emission reduction has accelerated the implementation of Liebherr’s existing low carbon systems and triggered future projects to […]
When should you use check valves?
By Josh Cosford, Contributing Editor Check valves are the most basic form of directional valve. In their simplest form, a check valve has the singular task of allowing flow in one direction while blocking flow from returning in the opposite direction. These valves are not only simple in their operation but also simple in their […]
Compact excavator features advanced hydraulic controls
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 […]
Hydraulic “Infinite” cylinder upgrades timber logistics
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 […]
Groundbreaking electrohydraulic system wins Volvo Technology Award
As part of the ongoing effort to improve hydraulic efficiency in excavators, the Common Pressure Rail Hybrid system by Volvo Construction Equipment (Volvo CE) is yet another innovation improving performance while reducing CO2 emissions, in line with Volvo Group’s net zero carbon ambitions by 2040. A Volvo CE team from Sweden and South Korea worked […]
Rescheduled MinExpo to open in Vegas in September
The event, which was postponed due to Covid-19 last year, is set for September 13-15 at the Las Vegas Convention Center. After being postponed due to Covid-19 last year, MinExpo will return to the Las Vegas Convention Center September 13-15, featuring 11 halls of industry suppliers showcasing the latest products and services for mining. The […]
