单刃铰刀在国际上被列为七十年代新型刀具,自从问世以来受到各国机械加工行业的重视,从一九八一年以后,各国已有资料交流。我厂于一九七七年根据枪钻切削原理经几年不断试验、改进,制成了单刃铰刀,其主要结构与国外相比大同小异,经我厂实践证明确是一种新型孔加工刀具,可加工普通孔、深孔,更适宜加工盲孔;既适用于半精加工,也 Single-edged reamer internationally as a new tool of the seventies, since its inception by all countries mechanical processing industry attention, since 1981, all countries have information exchange. I plant in 1977 according to the principle of gun cutting after several years of continuous testing, improvement, made of single-edged reamer, the main structure is similar to foreign countries, the practice proved to be a new type of hole processing Tool, Machinable ordinary holes, deep holes, more suitable for processing blind holes; Not only for semi-finishing, but also