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Engine rocker arm: an important part of the engine is Top trade research databasesthe core of the internal combustion engine. The engine rocker arm is an important part of the engine. Its function is to convert the combustion pressure in the cylinder into rotational force to realize the normal operation of the engine. Although the function of the engine rocker arm is not complicated, this small part plays a crucial role in the operation of the internal mechanical system.In this article, we will discuss in depth the composition, working principle and maintenance methods of the engine rocker arm. Composition First of all, let's understand the composition of the engine rocker arm. The engine rocker arm is usually driven by a connecting rod between the piston and the valve. The valve can be intake or exhaust, depending on the target application and design characteristics. The rocker arm is usually a curved metal rod, the top of which is connected to the valve and the bottom is connected to the connecting rod. The rocker arm compresses the valve so that it can be opened and closed. Although this small component looks very simple, it plays a crucial role in the engine architecture. Working principle The working principle of the engine rocker arm can be simply summarized as follows: in an internal combustion engine, the fuel and air mixture is compressed in the upper part of the piston and then burned after ignition. When the piston moves down, it drives the connecting rod and rocker arm to compress the valve.The rocker arm controls the switch of the valve during rotation, so that it can open and close according to the established sequence. This switching process allows the mixture to smoothly obtain the air outlet and inlet channels in the cylinder, so that the engine can start normally. Maintenance method Although the design and working principle of the engine rocker arm are relatively easy to understand, in order to ensure their reliability during use, we need to maintain them regularly. Here are some suggestions for the maintenance of the engine rocker arm. 1. Regular cleaning of the engine rocker arm is easily covered by pollutants, such as carbon deposits, dust and grease. In order to ensure the smooth operation of the rocker arm, it is recommended to clean up the dirt on it. Two. Check and replace the worn parts. The engine rocker arm will also wear out due to long-term use, resulting in a decline in valve performance. Therefore, we need to check whether the rocker arm, valve and connecting rod are worn, and replace the parts that need to be replaced in time.3. Using high-quality lubricants can reduce the friction of the rocker arm and extend its life. In terms of lubricants, lubricants composed of effective additives and high-quality minerals or synthetic base oils should be selected. Conclusion In short, although the engine rocker arm is only a small part of the engine, its importance to automobiles and internal combustion engines cannot be ignored. These small mechanisms can work together to trigger explosions and drive cars by burning a mixture of gasoline and air. Therefore, to ensure its normal operation, we must maintain it regularly and use high-quality parts and lubricants.

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