机床是机械制造中的重要基本工具素有 “母机”之称。它的产值在国民总产值中所占的比重虽不大,但其战略地位却十分重要。因为它的技术水平,直接影响到所有机械制造部门的技术水平、产品质量和经济效益的提高,故受到各工业发达国家的普遍重视。然而机床技术的发展,却受到一系列 Machine tool is an important basic tool in machinery manufacturing known as the “mother machine,” said. Although its output value accounts for only a small part of the GNP, its strategic position is very important. Because of its technical level, a direct impact on all the machinery manufacturing sector, technological level, product quality and economic benefits, it is widely recognized by all industrialized countries. However, the development of machine tool technology, but by a series