“One of the most important component of the performance of a machine is a lubricating oil or oil. Lubricating oils used for reducing the occurrence of friction-friction between components that can cause damage to the engine. Additionally, lubricating oil also functions as a lubricant the way for these components.“
At the time the machine worked, friction occurs repeatedly between engine components. This is what can lead to wear and tear or damage on the surface of the component. Well, this is the lubricating oil which then serves to make the surface between the components to be slippery, so the direct friction between the components of the machine can be prevented. The amount of friction can cause the engine overheated to jam or cause damage to the cylinder, piston, valve, bearing and others, such as irregularities oil pump, oil leak channel, and could also be because of the wrong type of oil consumption itself.
The process of combustion in the engine may spur kitchen so that the present crust cause oxidation and corrosion on metal. Here, the oil serves to clean the engine parts from oxidation and prevent rust inside the engine. Based on their raw materials, there are three types of oil in the market, namely minerals, semi-synthetic, and synthetic. Mineral oil, petroleum base ingredients are processed into lubricating oil. If then the processed synthetic materials are combined with others to achieve better quality standards, then the product is called semi-synthetic lubricants.
Higher quality is called synthetic oil. Synthetic oil most often used for vehicles driven by a high enough speed like racing. And of course, the price of synthetic oil is more expensive than mineral oil prices. Viscosity oil (viscosity), the default is classified based on the level of consistency. In the packing oil, usually found in the code of letters and numbers that show it. For example SAE 40, SAE 50, SAE 90, and so on. SAE stands for Society of Automotive Engineers or the Institute of Automotive Engineers, which sets the standard viscosity at 100 oC. Figures behind the letter SAE show the level of consistency.
Numeric code such as multi-grade 10W-50 is the viscosity can vary according to temperature in the vicinity. The letter W in the back of the number 10 stands for Winter (winter). So it means having a lubricant viscosity level equivalent to SAE 10 (in the cold), but when the hot air viscosity equal to SAE 50.
From here, the oil was not only serves merely lubricate the surface of engine components. But it also can function as a coolant as well as cleaning up discharges
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