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一、前 言 近几年来,随着汽车的普及,城市道路及高速公路网的完善化。为了适应其发展,谋求汽车的高功率化、高效率化。为此,努力追求发动机零件的较量化和低摩擦化。 在这些追求中,以降低活塞与气缸间的摩擦力为开发重点,本文就固体润滑涂层活塞简介如下: 二、涂层的目的 在发动机摩擦损失中,虽然有机械摩擦损失、驱动辅件损失、泵损失等,但是,其中机械摩擦损失的比例较大,特别是活塞及活塞环,因其接触面积大、滑动速度高及变化幅度大等,所以在全部摩擦损失中所占比例最大达1/3,特殊条件下还会高于1/3。
I. Introduction In recent years, with the popularization of automobiles, the improvement of urban roads and freeway networks has been completed. In order to adapt to its development, to seek high-power cars, high efficiency. To this end, efforts to pursue the engine parts of the more quantitative and low friction. In these pursuits, in order to reduce the friction between the piston and cylinder for the development of focus, this article on the solid lubricant piston lubrication profile is as follows: Second, the purpose of the coating In the engine friction loss, although there is mechanical friction loss, loss of drive accessories , Pump loss, etc. However, among them, the proportion of mechanical friction loss is large, especially the piston and the piston ring have the largest proportion of the total frictional loss due to the large contact area, high sliding speed and large variation range / 3, under special conditions will be higher than 1/3.