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4 Ways to Minimize Hydraulic Cylinder As a product group of hydraulic cylinders are almost as common as combined pumps and motors. So if you do a lot of hydraulic systems, it is likely that the essential part of your overall operating costs. According to some studies, up to 25% of mechanical equipment failures are failures of design. If we do not sufficient for the application they are designed in. Operating on hydraulic cylinder, then as many as one out of four hydraulic cylinders are. This does not mean that the cylinder will not do the job required of it , it is - but not at an acceptable service life. So if you have any cylinders that do not last as they should, you may need to have to solve one or more of the following four problems: hydraulic equipment # 1st Bent Rods Turn the cylinder rods can all three be caused by a combination of insufficient rod diameter or material strength, improper cylinder mounting arrangement or. As soon as the rod bends, deforming load is placed on the rod seal. This increases the leakage and ultimately premature failure of the seal. The allowable a cylinder in an existing application can be checked using the Euler formula. # 2nd Rod Finish The surface of the piston rod has a significant effect on the service life of the rod seal. If the surface is too low (smooth), the life of the seal can be reduced as a result of insufficient lubrication. If the surface is too high, the penetration of contamination is increased and an unacceptable amount of leakage can lead to the rod seal. As part of the expansion cylinder life, think of the surface of the cylinder rod as a lubricated, wear surface and treat it accordingly.
In some applications, the use of an alternative rod surface treatment with superior mechanical properties to the conventional hard chrome plating such as nickel-chromium plating , or High Velocity Oxygen Fuel (HVOF ), metal spraying, the durability of the rod and increase its seals. And in some cases, the installation of a sheath or bellows to protect the rod surface and its seals from impact damage and contamination, such as prolongation of the service life of advantages. # 3rd bloated Tubes Balloon of the cylinder tube is usually caused by insufficient wall thickness and / or an operating pressure of the cylinder. Once the tube balloon is lost the correct tolerance between the piston seal and pipe wall so that high pressure fluid to bypass the seal. Can erode this high velocity fluid seal and localized heating by the pressure drop across the piston causes is reduced final result consists in: a premature failure of the piston seal. industrial hydraulic cylinder # 4th insufficient storage area When the surface of the bearing (wear) is tapes not sufficient to adequately support the thrust force is transmitted to the cylinder , an excessive load on the rod and piston sealing orderedness in the gland and on the piston. This leads to a deformation of the gaskets, and ultimately the premature failure. Repair or Redesign? To summarize the above: Not all hydraulic cylinders are made equal. So if you have any hydraulic cylinder, suffer recurrent failure, it is likely that the design modifications are needed to break the cycle of failure and repair. Mariscal Hydromovers are manufacturers and suppliers of Mechanical Cylinders and hydraulic hone tube