最近，磨损了的轮对的修复问题变得愈加突出。一般通过将车轮放在车轮加工专用车床上车削的方法来消除诸如轮缘磨耗、车轮滚动面上擦伤和剥蚀等主要缺陷。至今我们所用的切削刀具是由国产合金制成的，这种合金的使用性能不如国外公司的同类合金，象瑞典的SandvikCoromant公司的 Recently, the problem of repair of worn wheelsets has become even more prominent. The general method of turning a wheel on a turning lathe eliminates major defects such as flange wear, galling on the rolling surface of the wheel, and erosion. So far, the cutting tools we use are made of domestic alloy, the performance of this alloy is not as good as foreign companies of the same alloy, such as Sweden’s SandvikCoromant company