Why do machines need lubrication? The simplest answer is to overcome friction. Two moving metal surfaces to one another have friction. The function of lubricants is “separating” the two metal surfaces rub against each other so that wear can be reduced. If no lubricant layer, you can imagine what would happen. Machine can fall out!
Lubricants also serves to cool the engine is by channeling the heat due to friction and combustion. It also serves to clean the machine by way of transporting dirt and metal elements which will be “deposited” in the oil filter every circulation. Another function of the lubricant is no less important is to maximize compression and maintain pressure. If pressure loss is too great seal formation (lubricant layer) that is not good, the engine will lose power, so fuel consumption increases – which means the waste cost. Once the vital lubricant for motor vehicles or industrial machines that encourage the experts to constantly strive to create a formula that can produce a high quality lubricants.
First, for centuries, people use animal fats to reduce friction on the cart or wagon wheel bearing carrier. But lately a hundred years – since the discovery of petroleum, lubricants development entered a new era. This is in line with the development of automotive engine technology and the industry today that require a higher engine speed. Modern machinery now produces more power, the capacity of accommodating lubricant oil in the engine smaller, higher operating temperatures and lubricant replacement intervals also require a longer time.
Lubricant Functions :
* Controlling friction
* Prevents wear
* Cool the engine
* Prevent corrosion
* Maintaining a clean machine
* Maximize compression, to maintain pressure
Friction and Wear :
* Friction: Barriers are holding the movement of two surfaces in contact and move relative to each other.
* As a result of friction: arise wear, loss of energy, arising sound
* Wear and tear: the loss of some material from one or both surfaces in contact and move relative to each other.
* As a result of wear and tear: reduce the life of engine wear, reduced engine performance
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