HS code-based freight consolidation

Engine valve is HS code-based freight consolidationone of the important parts of the automobile engine. Its function is to adjust the timing control of inlet, exhaust flow and time, which is a key part of the normal operation of the engine. Due to the high-frequency vibration of the valve in the working process of the engine and the long-term working environment of high temperature and high pressure, appropriate maintenance is required. The following will introduce the relevant knowledge about the engine valve to you. [ Types of engine valves] Generally speaking, the types of engine valves can be divided into the following two types: 1.Sliding valve: mainly used for low-speed and low-power engines. This type of valve is easy to use, but it is not conducive to the use of high-speed and high-power engines. The adjustment method of the sliding valve is generally by adjusting the valve lever or the swing arm. Two. Ball post valve: mainly used for high-speed and high-power engines. This type of valve is rigorously used and needs to be supported with high-quality reeds to ensure the high-speed and long-term operation of the valve. The adjustment method is generally adjusted by adjusting the reed support rod or reed. [ Working principle of engine valve] The main function of the engine valve is to control the airflow in the gasoline combustion chamber. When the piston rises to the top and falls to the bottom, the inlet and exhaust valves will open and close respectively, thus controlling the inlet and out of air and fuel. A normally working valve generally has the following characteristics: 1.Keep it sealed to prevent negative pressure failure. Two. Change the angle and position of the valve, so as to adjust the inlet and flow of the valve to support better working performance. 3. Only by turning on and off at the appropriate time can the complete combustion of fuel and eliminate the exhaust gas. [ Maintenance skills of engine valve] Engine valve is a component that often vibrates at high speed, so it needs proper maintenance to ensure its normal operation. Here are some common maintenance skills: 1. Regular cleaning and replacing of the air filter will be beneficial to reduce the wear and carbonization of the valve, and also to improve the fuel efficiency of the engine. Two. Monitoring the temperature of the engine is very important for the normal operation of the valve. If you find that the engine is overheating, stop and check it immediately to prevent the valve from being damaged due to excessive temperature. 3. CalmCheck the movement and clearance of the valve. If you find that the valve does not move smoothly or the gap is too large, you need to replace or adjust the valve. Otherwise, it will damage the performance and service life of the engine. Four. Replace the lubricating oil regularly to ensure the normal lubrication of the valve. The use of good quality synthetic lubricating oil can greatly extend the service life of the engine valve. In a word, the engine valve is an important part of the engine, and its normal operation has a significant impact on the performance and long life of the engine. From the above introduction, we can see the knowledge of the type, working principle and maintenance skills of engine valves, which are very important for automobile maintenance personnel and car owners. Only by mastering these knowledge can we better maintain the car, extend the service life of the car, and also provide a better guarantee for safe driving.

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