What should I do if the hydraulic cylinder of the single-arm hydraulic press leaks seriously?

What should I do if the hydraulic cylinder of the single-arm hydraulic press leaks seriously?

According to the analysis of the common reasons for the leakage of the hydraulic cylinder of the single-arm hydraulic press: because the external leakage of the hydraulic cylinder of the single-arm hydraulic press is relatively intuitive, when the leakage is found, the inspection of the hydraulic cylinder components should be done first. The o-ring on the joint surface of the cylinder head is aged and damaged and should be replaced; if the piston rod is axially strained, it can be repaired by plating or replaced with a new piston rod.

The reasons for the leakage of the hydraulic cylinder are different, of course, the treatment methods are also different. When there is a normal phase leakage in the hydraulic control check valve of the single-arm hydraulic press, the valve core should be checked for eccentric wear or scratches. If the damage is light, 0.001mm alumina particles can be used. After adding oil to prepare grinding and repairing, use kerosene penetration method to test. If the one-way valve is not closed tightly because the control oil pressure cannot be released, check whether the back pressure of the hydraulic return circuit is too high, and whether the oil return filter of the four-column hydraulic press is not closed. Block or check whether the neutral function of the replaced reversing valve matches the original fit.

Among the reasons for the leakage of the hydraulic cylinder of the single-arm hydraulic press, the failure of the hydraulic cylinder to maintain pressure is the most important, and the cause of the failure is difficult to find, because the leakage of the valve parts, the hydraulic pump or the improper adjustment of the system relief valve and the diverter valve may cause similar problems. The fault symptoms of leakage in the hydraulic cylinder, so before repairing the hydraulic cylinder, you should check the working pressure of the hydraulic cylinder, the full stroke time of the piston, etc.

Since the single-arm hydraulic press has a relatively large pressure during use, the oil cylinder must have good sealing to ensure the normal operation of the oil cylinder. This article is from the official website of the manufacturer WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!

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