机械工业不论在数量及质量方面都是突飞猛进,技术要求是精益求精;许多场合,特别是对於淬火部件而言,车、铡、、铣这些加工方法已经不能应付,因之磨就成为解决某些要求不可缺少的加工方法,在工业先进国家,磨已经同车,铡、、铣同样广泛的被使用,它不再被视为一种“高贵”或是不平 The mechanical industry is by leaps and bounds both in terms of quantity and quality, the technical requirements are excellence; in many cases, especially for quenched parts, the processing methods of the car, the carousel and the milling can not cope with, so the mill becomes a solution to some Demanding an indispensable method of processing, in the advanced countries of the world, grinding has been used in the same broad sense as milling, milling, milling, ceasing to be regarded as “noble” or uneven