日本日新金刚石制作所在滋贺县工业技术中心协助下,确立了金刚石切削刀具将刀刃部的单晶金刚石直接钎焊到刀柄上(钢材部分)的新技术。在真空炉中使用银系的钎焊材料,已成功地焊在热膨胀率低的钼钢,钨系超硬合金钢材上。该新技术与以往的机械式固定方法相比,可谋求长寿命化,低成本化,另外有提高切削精度等众多优点。以往的金刚石切削刀具刀刃部分的含碳 With the help of the Shiga Prefectural Center for Industrial Technology, Nippon Nippon Diamond Manufacturing Co., Ltd. established a new technology that diamond cutting tools directly braze single-crystal diamond at the blade edge to the shank (steel part). Using a silver-based brazing material in a vacuum furnace, it has been successfully welded on molybdenum and tungsten-based cemented carbide steels with low coefficient of thermal expansion. Compared with the conventional mechanical fixing method, this new technology can achieve longer life and lower cost, and has many advantages such as improving cutting precision. Previous diamond cutting tool cutting edge part of the carbon