Chain Grease

Chain Grease is used in lubrication of intricate parts of chains in cycles or motor cycles

. Though several mechanics in regular workshops use ordinary greases for lubrication of chains, this application may not provide suitable lubricating solution for the chains.

Chain Grease is a special type of greases that uses very low viscosity oils to reach the internal surfaces. They should have sufficient body to maintain the lubricating film under the bearing pressure and usually solid lubricants only would help. Chain greases should be free from corrosive elements.

Lithium soap greases with low viscosity oils are blended with special type of micron sized graphite powders that provide good adhesion and extra lubrication for the chains. These greases are also called graphite based Chain Greases.

The chain grease can be used over and over again (since it uses very little grease per chain),

so one tin will last a very long time, it will also not really age so will be good for many, many years.

A penetrating-type chain lubricant not only displaces water, but also cleans dirt and wear metals out of the pins of the chain and off of the sprockets. It is essentially an oil change for the chain.

The operating conditions (including load, environment, temperature and speed) must also be considered. Maximizing chain life requires attention to detail and the selection of a suitable lubricant.

The method of lubrication is equally important. Regardless of whether the application of the lubricant is accomplished manually or by use of an automatic system, the lubricant needs to be aimed into the pin and bushing area. Figure 1 illustrates where the lubricant should be applied to several types of chain.

Lubrication is required between the rollers and bushings, but other important areas to lubricate are the pin and bushing surfaces, which articulate with each other while the chain is under full load. To reach all of these surfaces, the lubricant should be applied to the upper edges of the link plates on the lower strand of the chain shortly before the chain engages a sprocket. Then, as the chain travels around the sprocket, the lubricant is carried by centrifugal force into the clearances between the pins and the bushings. Spillage over the link plates supplies lubricant to the interior and the end surfaces of the rollers.

by: Metafinsolutions

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