Comprehensive customs ruling database

Cylinderless engine,Comprehensive customs ruling database as the name implies, refers to the inside of the engine, without the traditional cast iron or aluminum alloy cylinder liner, but the cylinder is directly cast inside the cylinder block. The birth of this engine is undoubtedly the result of a technological revolution, because it not only has the characteristics of high efficiency and more reliability, but also can reduce the weight and emissions of the car, and has a broad application prospect. This article will briefly analyze the advantages, disadvantages and prospects of cylinderless engines. I. Advantages of cylinder-free engine 1. The performance is higher than that of the traditional sleeve cylinder engine, the cylinder sleeveless engine is more flexible in the shape and arrangement of the cylinder.Since there is no need to consider the position and material of the sleeve cylinder, the shape of each cylinder can be more in line with the ideal shape of the combustion chamber and make the whole engine reach a better power output level. In addition, the combustion chamber temperature distribution of the cylinder-less engine is more uniform, and the position of the spark plug and air intake valve is more reasonable, so that the combustion efficiency can be improved. Two. Maintenance is more convenient. The casting technology of the Shanghai-free engine is more mature and the process is more accurate. Compared with external parts such as cylinder liners, the cast cylinder can reduce the scrap rate and produce less topological distortion. Moreover, because the size of the cylinder linerless engine is smaller, it is more convenient to maintain and save more manpower and material costs. 3. Less pollution. Due to the direct uniform control of the cylinder wall of the cylinder-free engine, the tightness of the engine is further improved. VatThe sleeve will produce the accumulation of tar and other substances, and the thickness and size will be different, which is easy to damage the cylinder wall, resulting in increased fuel consumption and emissions. The fuel efficiency of the cylinder-free engine is higher, and the splashing oil film power consumption is less, which is more environmentally friendly. II. Disadvantages of cylinderless engines 1. The cost is relatively high. In production, the production cost of cylinderless engines is much higher than that of traditional cylinder engines. First of all, because more advanced materials are not only used in the direct casting cylinder, but also more precise operations are required in processing and testing. Secondly, the maturity of this technology is relatively low, so there will be many unpredictable problems, resulting in a relatively high time cost of research and development. Two. High accuracy requirements. Because the shape of the combustion chamber of the cylinder-less engine is more complex, and the airflow in the cylinder is also more complex, the accuracy requirements for the engine are also relatively high during the production process.The cylinder liner can play a certain role of precision protection or even optimization, and in engines without cylinder liners, this protection and optimization work mainly falls on the casting and processing of the cylinder itself. III. The development prospect of cylinder linerless engine The development prospect of cylinder sleeveless engine technology is very broad. First of all, in the next few years, the traditional sleeve cylinder engine will gradually withdraw from the market, while the cylinder sleeveless engine will become the key technology for automobile enterprises to achieve research and development innovation and improve their core competitiveness. Under the background of the country's vigorous advocacy of environmental protection and energy saving, the characteristics of low fuel consumption and low emissions of cylinder-less engines will also promote their rapid development. Secondly, with the continuous upgrading of automobile technology, the efficiency and reliability of the engine will become the dominant factors in the competition. Therefore, the performance and quality of cylinder-linerless engines still need to be further improved, which also makes the future development prospects of cylinder-linerless technology full of various opportunities.In a word, the cylinderless engine is a brand-new technology, which will bring many benefits to the future development of automobiles. Although there are still some challenges in terms of technical difficulty and cost, I believe that the technology in this direction will continue to expand and will inevitably become the new darling of the automobile industry in the future.

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