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电镀金刚石铰刀是在1975年以来国际上始用于加工精密孔的先进工具。这种刀具具有加工精度及表面光洁度高、刀具寿命长及生产率高等特点。国外已得到广泛的应用,并将此刀具纳入工具标准中。美国采用人造金刚石,粗精加工均用100/120的同一粒度(美国标准,颗粒直径为127～16(?)μ)。根据加工孔的要求,用2～4把铰刀加工,铰孔的尺寸精度和几何精度稳定在μ内,光洁度可达▽9以上。联邦德国应用金刚石铰刀加工阀孔,其几伺精度可达1μ。目前,联邦德国
Electroplated diamond reamers are internationally advanced tools that have been used to machine precision holes since 1975. This tool has the machining accuracy and surface finish, long tool life and high productivity. Abroad has been widely used, and this tool into the tool standards. In the United States, synthetic diamond is used. The roughing process uses the same particle size of 100/120 (U.S. standard, particle diameter of 127 to 16 (?)). According to the requirements of processing holes, with 2 to 4 reamer processing, reaming dimensional accuracy and geometric accuracy stabilized in μ, the finish up to ▽ 9 or more. Federal Republic of Germany diamond valve reamer valve hole processing, its a few servo precision up to 1μ. At present, the Federal Republic of Germany