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0前言经济活动的全球化正在迅速发展,从与廉价进口产品竞争的必要性来看,日本的制造业一方面要生产富有吸引力的产品,一方面要有比以往更高的低成本意识。在这种要求降低生产成本的背景下,在磨削加工领域,作为适合提高生产率、减轻劳动强度和自动化等要求的磨具,积极地引进了超
0 Introduction The globalization of economic activity is rapidly evolving. From the point of view of the need to compete with cheaper imports, Japan’s manufacturing industry must produce attractive products on the one hand, and at the same time, lower cost awareness than ever before. Against this background of reducing the production cost, in the field of grinding and processing, as an abrasive tool suitable for increasing productivity, reducing labor intensity and automation, etc., ultra-fine