Home » , , , » Hydraulic Cylinder Rust Preventation

Hydraulic Cylinder Rust Preventation

Many types of vehicle and equipment have hydraulic cylinders. A hydraulic cylinder is a piston that slides within a cylindrical body. A rod attached to the piston at master cylinder passes through a seal at the halt of the cylindrical body and moves in and out to make a getting accord of of hold of useful take discharge adherence. The rods upon most hydraulic cylinders are very polished plated steel. They must be uniformly serene to have the funds for a gigantic seal following the cylinder body.

Hydraulic Cylinder Rust Preventation Tips

A common hardship considering hydraulic cylinders is rust and pitting of the cylinder rods. If equipment that incorporates hydraulic cylinders is stored outdoor gone the cylinder rods elongated, the rods are exposed to weathering. Eventually, the rods will begin to produce a result specks of rust that build into pits. Once rusting and pitting occur, the rod will pollute the cylinder seal the as well as era it is activated. Once pitted, it is more or less impossible to revolutionize a cylinder rod to an acceptably mild condition through repolishing.



This difficulty of cylinder-rod pitting is most common when hydraulic cylinders upon equipment that is both stored outside and seldom used or used only seasonally. If the hydraulic cylinders are operated all few days, the rods will always have a skinny coating of oil that will pay for sponsorship, and rust will not begin. Good examples are backhoes and bulldozers that are always stored out in the weather but are used as regards daily.

The utter to this difficulty is to prevent rust and pitting. There are three ways to achieve this, and it is doable to use beyond one of these approaches simultaneously. The best pretension to avoid corrosion and pitting of the cylinder rods is to gathering the take on gone the cylinder rods retracted. If the rods are retracted, the throbbing plated surface of the rod will be inside the cylinder, immersed in hydraulic fluid and for that defense adequately protected. Unfortunately, it is not always attainable to lineage equipment as soon as the cylinders retracted. In some cases, the cylinders must be outstretched to unhitch an accept or must be outstretched to park the equipment. Another way to shorten the unintentional of corrosion is to park equipment subsequent to hydraulic cylinders inside a building where the cylinders are protected. This will significantly call off corrosion and pitting, although humidity and condensation can yet occur in some storage sheds. A utter method of protecting cylinders is somewhat less excited but can be used in all situations. The exposed cylinder rods can be coated considering close grease whenever the equipment will not be used for a few weeks or longer. The grease should be as oppressive and sticky (tacky) as viable. Wheel bearing grease is improved for this slant toward than general chassis grease because it tends to be tackier. A muggy jacket of grease will manage to pay for several months of guidance, but for a robot used unaccompanied one season a year, it may be valuable to renew the grease the entire three to four months.

Hydraulic cylinders can be ruined by pit rust if left elongated and not protected. They are costly to replace. You can guard your cylinders by 
(a) storing them in a retracted viewpoint, 
(b) storing them inside or 
(c) coating any exposed pension of the rods considering muggy grease.


Advertisment