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不重磨硬质合金刀具的使用性能在颇大程度上取决于刀刃的质量。提高硬质合金切削刀片质量的有效方法是以振动加工法进行刀刃钝化。钝化半径的最佳值在20～250微米范围内变化时其振动加工后刀具平均耐用度及0.9或然率的耐用度要比未振动加工刀具高1～2倍
The performance of non-re-cemented carbide tools depends largely on the quality of the cutting edge. An effective method to improve the quality of carbide cutting inserts is blade edge passivation by vibration machining. When the optimal passivation radius varies from 20 to 250 μm, the average tool life after vibration machining and the durability of 0.9 are 1 to 2 times higher than those of an unvibration tool