一、概况由于不重磨式硬质合金刀具显示出了较大的优越性.因此各工业国家都十分重视其发展.据报导:1969年美国18家公司共销售了不重磨式硬质合金刀片1.3亿片(约1.300吨);预计1975年将达到2.5亿片.而瑞典和西德则发展较晚.例如,1964年左右瑞典不 First, an overview of non-heavy-duty carbide cutting tools showed greater superiority, so all industrial countries attach great importance to its development.It is reported that: in 1969, 18 companies in the United States have sold a total of non-reworked cemented carbide 130 million blades (about 1.300 tons); is expected to reach 250 million tablets in 1975, while Sweden and West Germany developed later, for example, about 1964 in Sweden