One of our members writes:

“We have a simple hydraulic system: pump and 4 double-acting cylinders. Most of the oil between the directional control valve and cylinders ‘shuttles’ back and forth in the lines without returning to tank. The manufacturer of the system, Rexroth, tells me there is never a need for bleeding air from the system. How can this … Read more

Now is not a good time. It’s a popular cliché and an evergreen excuse. Fact is of course, when you’re looking into the future, there’s never a good time to do anything. Because it’s always easy to identify some logical reason why right now is not a good time to act.

Sure, the future is always uncertain. But it’s a … Read more

As I often remind hydraulics users here and in my work in other places, energy contamination, a.k.a. heat, is public enemy #1 of every hydraulic system. And it’s a bigger threat to system longevity and reliability these days than particle and water contamination–due to the widespread awareness and adoption of modern filtration technologies.

Adequate lubrication of hydraulic components and efficient … Read more