Hydraulics At Work http://hydraulicspneumatics.com/blog/26271/feed en An Unusual Hydraulic Pump Problem http://hydraulicspneumatics.com/blog/unusual-hydraulic-pump-problem <div class="node-body blog-body">It was early in the afternoon when I got the call requesting I go to site to supervise start-up of a recently overhauled hydraulic system. Thinking this would be a case of push the button and watch everything behave as it should, I left the office in my 'civilian' clothes, took my personal car and no tools. BAD mistake.</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/unusual-hydraulic-pump-problem" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/unusual-hydraulic-pump-problem#comments Hydraulics At Work Tue, 09 Feb 2016 00:47:00 +0000 36381 at http://hydraulicspneumatics.com How To Test A Hydraulic Cylinder http://hydraulicspneumatics.com/blog/how-test-hydraulic-cylinder <div class="node-body blog-body">The conventional way of testing the integrity of the piston seal in a double-acting cylinder is to pressurize the cylinder at the end of stroke and measure any leakage past the seal. This is commonly referred to as the "end-of-stroke bypass test". The major limitation of the end-of-stroke bypass test, is that it generally doesn't reveal ballooning of the cylinder tube caused by hoop stress. </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/how-test-hydraulic-cylinder" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-test-hydraulic-cylinder#comments Hydraulics At Work Wed, 03 Feb 2016 00:34:00 +0000 36071 at http://hydraulicspneumatics.com Pressure Intensification In Hydraulic Cylinders http://hydraulicspneumatics.com/blog/pressure-intensification-hydraulic-cylinders <div class="node-body blog-body">There is a simple bench-test for testing the integrity of the piston seal in a double-acting cylinder. But it involves the intensification of pressure in the cylinder. And while the test procedure is safe if you understand the concept of intensification in a hydraulic cylinder - it is inherently dangerous if you don't. </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/pressure-intensification-hydraulic-cylinders" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/pressure-intensification-hydraulic-cylinders#comments Hydraulics At Work Tue, 26 Jan 2016 00:46:00 +0000 35661 at http://hydraulicspneumatics.com How To Master Hydraulic Troubleshooting http://hydraulicspneumatics.com/blog/how-master-hydraulic-troubleshooting <div class="node-body blog-body">Troubleshooting is an inferential process. So to become an effective troubleshooter, you must employ a solid PROCESS. But you also need relevant KNOWLEDGE. Consider the old Indian Monkey Trap, for example...</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/how-master-hydraulic-troubleshooting" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-master-hydraulic-troubleshooting#comments Hydraulics At Work Tue, 19 Jan 2016 00:18:00 +0000 35581 at http://hydraulicspneumatics.com Why You SHOULD Fix Those Annoying Oil And Air Leaks http://hydraulicspneumatics.com/blog/why-you-should-fix-those-annoying-oil-and-air-leaks <div class="node-body blog-body">In a previous blog post I discussed the true cost of hydraulic oil leaks. But what about hydraulics' fluid power cousin: pneumatics? One of the advantages that pneumatics has over hydraulics is its clean-ness. Air leaks are much easier to ignore than oil leaks because they don't draw attention to themselves in the same way.</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/why-you-should-fix-those-annoying-oil-and-air-leaks" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/why-you-should-fix-those-annoying-oil-and-air-leaks#comments Hydraulics At Work Tue, 12 Jan 2016 06:40:00 +0000 35541 at http://hydraulicspneumatics.com How To Extend Hydraulic Hose Life http://hydraulicspneumatics.com/blog/how-extend-hydraulic-hose-life <div class="node-body blog-body">Hydraulic hose has a finite service life, which can be reduced by a number of factors. From a maintenance perspective, little or no attention is usually paid to the hoses of a hydraulic machine until a failure occurs.</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/how-extend-hydraulic-hose-life" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-extend-hydraulic-hose-life#comments Hydraulics At Work Tue, 05 Jan 2016 00:36:00 +0000 35501 at http://hydraulicspneumatics.com What To Do If Your Hydraulic Filters Are 'Clicking' http://hydraulicspneumatics.com/blog/what-do-if-your-hydraulic-filters-are-clicking <div class="node-body blog-body">As you probably remember from school science experiments, electrostatic charge is generated whenever there is friction between two bodies moving relative to each other. No real surprise then, that electrostatic charge generation occurs in hydraulic systems as a result of friction between the fluid and system components. </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/what-do-if-your-hydraulic-filters-are-clicking" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/what-do-if-your-hydraulic-filters-are-clicking#comments Hydraulics At Work Tue, 22 Dec 2015 00:22:00 +0000 35421 at http://hydraulicspneumatics.com How To Tell If Your Hydraulic Machine Is Sick http://hydraulicspneumatics.com/blog/how-tell-if-your-hydraulic-machine-sick <div class="node-body blog-body">Our body temperature is a quick and effective indicator of general health. These days you (or somebody else) can stick an electronic gizmo in your ear, press a button and get an instant indication that everything is normal, or not. And so we humans have something in common with hydraulic equipment: monitoring temperature is a quick and effective method of detecting abnormalities. </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/how-tell-if-your-hydraulic-machine-sick" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-tell-if-your-hydraulic-machine-sick#comments Hydraulics At Work Tue, 15 Dec 2015 00:09:00 +0000 35351 at http://hydraulicspneumatics.com How To Avoid Damage To Hydraulic Motors From 'Temperature Shock' http://hydraulicspneumatics.com/blog/how-avoid-damage-hydraulic-motors-temperature-shock <div class="node-body blog-body">The problem was occurring during recovery of the clump weight with the guide-wire winch. The hydraulic motor on this winch was of radial piston design. When the winch was summoned to haul up the clump weight, the distributor shear pin (designed to prevent torque from being applied to the distributor valve), was frequently shearing, rendering the winch unserviceable.</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/how-avoid-damage-hydraulic-motors-temperature-shock" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-avoid-damage-hydraulic-motors-temperature-shock#comments Hydraulics At Work Tue, 08 Dec 2015 00:04:00 +0000 35211 at http://hydraulicspneumatics.com How To Avoid 'Dry Starting' Hydraulic Pumps http://hydraulicspneumatics.com/blog/how-avoid-dry-starting-hydraulic-pumps <div class="node-body blog-body">Gear and vane-type hydraulic pumps don't have a 'case' as such, so once you have purged the intake line of air, you are good to go. And you can't purge the air from the intake line without opening the isolation valve (if fitted) first - which is kind of reassuring. But if it's a hydraulic piston pump you're dealing with, the physics are a little different. </div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/how-avoid-dry-starting-hydraulic-pumps" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-avoid-dry-starting-hydraulic-pumps#comments Hydraulics At Work Tue, 01 Dec 2015 00:45:00 +0000 35171 at http://hydraulicspneumatics.com How To Avoid 'Dieseling' In Hydraulic Cylinders http://hydraulicspneumatics.com/blog/how-avoid-dieseling-hydraulic-cylinders <div class="node-body blog-body">I was recently engaged by a client to conduct failure analysis on a large (and expensive) hydraulic cylinder off an excavator. This hydraulic cylinder had been changed-out due to leaking rod seals after achieving only half of its expected service life. Inspection revealed that apart from the rod seals, which had failed as a result of 'dieseling', the other parts of the hydraulic cylinder were in serviceable condition.</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/how-avoid-dieseling-hydraulic-cylinders" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-avoid-dieseling-hydraulic-cylinders#comments Maintenance Cylinders & Actuators Hydraulics At Work Wed, 25 Nov 2015 00:58:00 +0000 35161 at http://hydraulicspneumatics.com Why High Pressure Means High Maintenance http://hydraulicspneumatics.com/blog/why-high-pressure-means-high-maintenance <div class="node-body blog-body">The power density of individual components and the system as a whole increases with pressure. But there are a number of disadvantages with higher operating pressures...</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/why-high-pressure-means-high-maintenance" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/why-high-pressure-means-high-maintenance#comments Hydraulics At Work Tue, 17 Nov 2015 00:55:00 +0000 35121 at http://hydraulicspneumatics.com 6 Ways Your Hydraulic Components Wear Out http://hydraulicspneumatics.com/blog/6-ways-your-hydraulic-components-wear-out <div class="node-body blog-body">From the moment they're installed and commissioned, hydraulic components start to wear out. There are 6 ways it happens...</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/6-ways-your-hydraulic-components-wear-out" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/6-ways-your-hydraulic-components-wear-out#comments Hydraulics At Work Tue, 10 Nov 2015 00:24:00 +0000 35031 at http://hydraulicspneumatics.com The Pitfalls Of A "Not MY Problem" Mentality http://hydraulicspneumatics.com/blog/pitfalls-not-my-problem-mentality <div class="node-body blog-body">Is a "not my problem" mentality damaging your hydraulic equipment and hurting your bottom line? Consider this very frank and revealing admission I received from a new member...</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/pitfalls-not-my-problem-mentality" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/pitfalls-not-my-problem-mentality#comments Hydraulics At Work Tue, 03 Nov 2015 00:18:00 +0000 34951 at http://hydraulicspneumatics.com 2 Important Facts About Pump Intake Isolation Valves http://hydraulicspneumatics.com/blog/2-important-facts-about-pump-intake-isolation-valves <div class="node-body blog-body">The issue of intake line isolation valves is one where people tend to get blinkers on. By that I mean, like suction strainers, they wrongly believe they are essential. When in reality, but for a few exceptions, they are not.</div> <div class="og_rss_groups"><ul class="links"><li class="og_links first last"><a href="/blog/hydraulics-work">Hydraulics At Work</a></li> </ul></div><p><a href="http://hydraulicspneumatics.com/blog/2-important-facts-about-pump-intake-isolation-valves" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/2-important-facts-about-pump-intake-isolation-valves#comments Hydraulics At Work Tue, 27 Oct 2015 00:47:00 +0000 34891 at http://hydraulicspneumatics.com