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一、前言 气缸套是内燃机重要的基础件之一,但目前国内生产的气缸套一般认为存在以下几方面的问题: 1、使用寿命问题:在80年前缸套的寿命普遍较低,汽车为 15～20万公里,柴油机只有3000～5000小时,近年来国内在提高缸套的使用寿命方面作了大量的研究工作,已经有了大幅度的提高,其中有些工作已经取得了可喜的效果,激光处理气缸套的研究工作也是这一时期进行的。 2、配付性问题:在提高缸套本身的耐磨性能以后,往往会出现配付性能变坏的倾向,这也是近年来缸套研究工作中经常遇到的问题之一。 3、制造工艺问题,在制造工艺方面应
First, the preface Cylinder liner is one of the important basic components of internal combustion engine, but the current domestic production of cylinder liner is generally considered to have the following problems: 1, the service life of the problem: 80 years ago the liner life is generally low, the car is 150,000 to 200,000 kilometers and diesel engines only 3,000 to 5,000 hours. In recent years, a great deal of research work has been done on improving the service life of cylinder liners in China, which has been greatly improved. Some of them have achieved encouraging results. The laser Research on handling cylinder liners also took place during this period. 2, the payment of the issue: After improving the wear resistance of the cylinder liner itself, tend to decline with the payment performance tends to be, which is one of the problems often encountered in the cylinder liner research in recent years. 3, manufacturing process problems, in the manufacturing process should be