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china latest news about How to Store Hydraulic Cylinder Safely

How to Store Hydraulic Cylinder Safely

[2017-10-28 14:29:23]
(By Brendan Casey) A question I get asked a lot by equipment owners, is the procedure for storing spare hydraulic cylinders for an extended period. So here's what I recommend: Always store fully retracted. Store indoors in a clean, dry area. Smear the internal surfaces of eye/clevis bushes or ... Read More
china latest news about How To Troubleshoot Hydraulic Cylinder Drift

How To Troubleshoot Hydraulic Cylinder Drift

[2017-10-22 11:54:23]
(By Brendan Casey)A popular misconception about hydraulic cylinders is that if the piston seal is leaking, the cylinder will drift down. Fact is, if the piston seal is completely removed from a double-acting hydraulic cylinder, the cylinder is completely filled with oil and its ports are plugged, ... Read More
china latest news about How To Avoid Hydraulic Troubleshooting Mistakes

How To Avoid Hydraulic Troubleshooting Mistakes

[2017-09-03 15:53:18]
(By Brendan Casey) Troubleshooting hydraulic systems can be a complex exercise. It involves a lot of science and sometimes, a bit of art. Incorrect diagnosis prolongs downtime and can result in the unnecessary repair or replacement of serviceable components. To avoid these costly mistakes, the ... Read More
china latest news about Tips on Add Hydraulic Oil

Tips on Add Hydraulic Oil

[2017-07-29 17:03:24]
Hydraulic fluid straight from the drum, has a typical cleanliness level of ISO 4406 23/21/18. A 25 GPM pump operating continuously in hydraulic oil at this cleanliness level will circulate 3,500 pounds of dirt, on an accumulative basis, to the hydraulic system's components each year! So to add ... Read More
china latest news about How To Extend Hydraulic Hose Life

How To Extend Hydraulic Hose Life

[2017-07-09 14:36:13]
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. And hydraulic hose failures cost more than the replacement hose. Additional costs ... Read More
china latest news about What needs to know When Troubleshooting Hydraulic Cylinder Problems?

What needs to know When Troubleshooting Hydraulic Cylinder Problems?

[2017-06-10 18:20:20]
(Written by Brendan Casey) “…if the piston seal is completely removed from a double-acting cylinder, and its ports are blocked, it will hold its load indefinitely unless the rod seal leaks.” And this is precisely how a ram, which has NO piston seal, supports a load. But for the physics involved to ... Read More
china latest news about The Tough Life of Hydraulic Fluid

The Tough Life of Hydraulic Fluid

[2017-06-03 20:08:12]
(By Alan Hitchcox) Does a hydraulic pump produce pressure or flow? Proponents of “flow makes it go” contend that a hydraulic pump creates flow, not pressure. Their argument states that a hydraulic pump’s gears, pistons, vanes, or whatever, cause the fluid to flow out to the hydraulic circuit. In an ... Read More
china latest news about How To Calculate Hydraulic Cylinder Efficiency

How To Calculate Hydraulic Cylinder Efficiency

[2017-05-27 14:23:25]
With modern sealing technology, the volumetric efficiency (leakage losses) of a hydraulic cylinder in good condition approaches 100%. But the mechanical-hydraulic efficiency of a cylinder varies with seal type and the tolerances between the piston-rod and its wear bands. Recall that mechanical... Read More
china latest news about Hydraulic Troubleshooting Principle #3: Check The Easy Things First

Hydraulic Troubleshooting Principle #3: Check The Easy Things First

[2017-04-29 14:19:00]
The machine in question had a complex hydraulic system, the heart of which comprised two engines driving ten hydraulic pumps. Six of the pumps were variable displacement pumps and four of these had electronic horsepower control. The symptoms of the problem were slow cycle times in combination with ... Read More
china latest news about How Long Can Hydraulic Oil Really Last?

How Long Can Hydraulic Oil Really Last?

[2017-04-26 14:48:36]
The first thing to keep in mind is that hydraulic oil should only be changed when either the base oil has become degraded or its additives have become depleted. Which means it should NOT be changed on an arbitrary number of hours in service. So in this respect, the 4,000 hour change interval ... Read More
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