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Wear mechanism and mitigation measures of engine cylinder

2018-09-04

For the Engine, the friction pair formed by the cylinder and the piston ring is very important. The annular sealing surface formed by the high temperature and high pressure gas in the combustion chamber directly affects the power and fuel economy of the engine. As the engine's working time increases and the parts continue to wear, the fit of the pair of frictions changes. In order to ensure the power and economy of the engine and prolong its service life, it is necessary to delay the deterioration of the friction pair.

For the engine, the friction pair formed by the cylinder and the piston ring is very important. The annular sealing surface formed by the high temperature and high pressure gas in the combustion chamber directly affects the power and fuel economy of the engine. As the engine's working time increases and the parts continue to wear, the fit of the pair of frictions changes. In order to ensure the power and economy of the engine and prolong its service life, it is necessary to delay the deterioration of the friction pair.

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Specific methods to mitigate the above three types of wear are:
(1) Strict maintenance system, regularly clean the air filter, fuel filter and oil filter according to regulations, replace the Filter element, clean the engine crankcase at the same time, change the oil, replace the piston ring, and maximize the control into the cylinder. The number and size of abrasive particles of the friction pair formed with the piston ring.
(2) Reasonable use of fuel oil and Engine Oil (as low as possible), to avoid frequent cold start.
(3) Ensure that the working temperature of the engine is normal, avoiding the wear and tear of the lubricating oil film due to excessive temperature loss, and the corrosion and wear are aggravated due to the low temperature. At the same time, the reasonable use of the engine running-in period can also slow down the phenomenon of "pull cylinder" to a certain extent.

(4) Improve the wear resistance of the cylinder, using chrome plating material. Corrosion wear and abrasive wear are interactive in the actual process.

Sd 32 Engine

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