经济型数控车床是目前国内开发的热点。各生产厂为提高其性能价格比进行了各种努力,而主传动系统的设计关系到机床的加工效率、精度和适用范围。在适当增大其低 Economic CNC lathe is currently the hot spot in domestic development. Various manufacturers to improve its cost performance of a variety of efforts, and the design of the main drive system related to machine tool processing efficiency, accuracy and scope of application. At a moderate increase its low