大部分的机械设备零件的破坏,总是从零件表面开始的。产品的性能,特别是它的可靠性和耐久度,在很大程度上决定于零件表面层的质量。研究机械加工表面质量,其目的就是为了掌握机械加工中各个工艺对加工表面质量影响的规律,以便利用这些规律来控制加工过程,最终达到改善产品质量、增强产品使用性能。延长整机设备的使用寿命,增加整机设备使用的稳定性的目的。 Most of the destruction of mechanical parts, always from the surface of the parts. The performance of a product, especially its reliability and durability, is largely determined by the quality of the part’s surface finish. The purpose of studying the surface quality of machined surfaces is to grasp the regularity of the influence of each process on the machined surface quality in order to control the machining process by these rules and finally to improve the product quality and enhance the product performance. Extend the service life of the whole machine and increase the stability of the whole machine.