HS code-driven cost-benefit analyses

* Analysis and HS code-driven cost-benefit analysesfunction introduction of engine parts diagram The automobile engine is the heart of the automobile. It not only provides power, but also operates the core part of the whole automobile. The engine is composed of various sophisticated parts with complex structures and functions. This article will analyze and introduce the functions of various parts of the engine around the parts diagram of the automobile engine.1. The crankcase is one of the most basic parts in the engine. It is an important bearing part of the crankshaft. In the engine, the crankcase is usually cast into a whole with the cylinder block, which plays a role in supporting and closing the crankshaft. The main function of the crankcase is to receive the force of each connecting rod and then transmit it to the wheel to generate power. The crankcase also plays the role of lubricating and cooling the crankshaft to ensure the normal operation of the engine. Two. The piston is one of the most basic parts of the engine. Together with the crankshaft, connecting rod and other parts, it forms the circulation system of the engine. In a car engine, the function of the piston is to compress the fuel and air mixture to the limit, and then ignite it to generate power for combustion and rotate the wheels. At the same time, the piston also needs to withstand high pressure and high temperature working conditions, so it needs to have the characteristics of high strength and high wear resistance.3. The crankshaft is one of the core components of the engine. It is connected to the piston through the connecting rod, converts the linear motion of the piston into rotational motion, and transmits it to the wheels to output power through the transmission and transmission shaft. Because the crankshaft needs to withstand extremely high bending and twisting forces and the inertial force of high-speed rotation, it needs to have the characteristics of high strength, high toughness, high hardness and so on. Four. The cylinder block is a shell structure in the engine. It has multiple cylinders and convex platforms to accommodate a reciprocating cycle system composed of pistons and connecting rods. The cylinder block needs to withstand high temperature, high pressure, high speed and other harsh working conditions, so it needs to have the characteristics of high strength, high rigidity, high thermal conductivity and so on. 5. The cylinder head is located at the top of the cylinder block, which serves as a sealing part of the piston and piston ring, and is also an important combustion chamber component in the automobile engine.The cylinder head needs to withstand harsh working conditions such as high temperature, high pressure and combustion impact, so it needs to have high strength, high heat resistance, high competition and good sealing. 6. Water pumps and radiators. Car engines need to work continuously and produce a large amount of heat, so an effective heat dissipation system is needed. The water pump and radiator are important parts of the engine's heat dissipation system. The water pump circulates the engine coolant and lowers the temperature, and the radiator gradually dissipates heat by discharging exhaust gas. Therefore, pumps and radiators need to have high strength, high thermal conductivity and good corrosion resistance. In a word, automobile engines are composed of multiple precision parts, and the interaction between each parts is indispensable. Through the analysis and functional introduction of automobile engine parts diagrams, this article can give readers a deeper understanding of the internal structure and working principle of the engine.

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