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When air is mixed with the hydraulic oil in your cylinders it can create the conditions for an extreme phenomenon known as “hydraulic dieseling”. This happens when bubbles of air mixed with oil undergo extreme pressurisation, causing them to explode in much the same way that diesel fuel ignites within an engine cylinder. Does that […]
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Viscosity is the measure of a fluid’s resistance to flow. It is commonly thought of as thickness, or resistance to pouring. Choosing a hydraulic fluid with the right viscosity is important to the overall efficiency of the hydraulic system.
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All hydraulic systems feature high precision components, which are vulnerable to very small amounts of contamination. Even microscopic metallic particles that make their way between close-fitting reciprocating surfaces can very quickly bring even the most powerful hydraulic systems to their knees.
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Hydraulic fluid aeration refers to the presence of air in a hydraulic system in any form including the formation of large bubbles, dissolved air or foam. Regardless of the form, aeration has several negative effects. It causes increased pump cavitation, leading to excessive noise. Air has an erosive effect leading to increased wear on hydraulic […]
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Hydraulic fluid contamination is the number one cause of hydraulic system failure and as such it’s a serious concern for maintenance managers everywhere. Hydraulic systems can become contaminated in a number of ways – including poor system design, lack of maintenance or improper maintenance procedures and other contributing factors. In this article, we’ll discuss 7 […]
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Hydraulic hoses are an often-overlooked part of hydraulic maintenance, but they are critical to the efficient and safe operation of your machine. If hydraulic fluid is the lifeblood of your machine, then hydraulic hoses are the arteries of the system – containing and directing the pressure to do its work. But they’re also equally dangerous […]
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If you deal with hydraulic systems long enough, you may hear the term “open-loop” and “closed-loop” from time to time. These terms refer to two types of hydraulic circuits in common use today. Each of these systems has both strong points and weak points, which is why you’ll find them used in different applications across […]
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Whether you’re ordering a custom-designed hydraulic cylinder or repairing a worn one, you may be confronted by a range of mysterious, technical-sounding words. This is a complicated subject matter that is made more confusing if you do not understand these strange new terms. To help, we’ve decoded some commonly-used hydraulic cylinder terminology with this glossary, […]
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When a hydraulic cylinder starts leaking you may ask yourself if it’s necessary to perform a full repair, or if you could simply replace hydraulic cylinder seals on your own. It’s true that many farms and factories replace their own seals to save time and cut down on costs. This is understandable in today’s competitive […]
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In today’s digitised environment, the integration of electronics allows engineers to control the motion of hydraulic cylinders with pinpoint accuracy. Hydraulic cylinder sensors make this possible by providing fast, accurate information on cylinder position at all times, which can be used to control and automate cylinder movement with extreme precision and reliability.
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Heat is an inevitable byproduct of hydraulic operation. When power is converted into force through any means, some of that energy is always lost as heat. You see this everywhere. From the smartphone in your pocket, to your refrigerator, which generates heat as a byproduct while keeping the interior cool. A hydraulic system also converts […]
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Whether you operate fixed plant or mobile hydraulics, you know that you need to maintain a schedule of regular preventative maintenance in order to keep your equipment performing properly. However, are you truly aware of all the risks associated with hydraulic cylinder failure? The consequences of poorly maintained hydraulic equipment go beyond the cylinder itself. […]
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