Based on the tool wear curve in the course of processing,the relative blunt standard of this tool under such a machining situation was set.
对精铣加工叶轮叶片的刀具磨(破)损形态进行了观测,统计分析了球头铣刀后刀面磨损量VB及对应的加工表面粗糙度Ra随加工时间的变化情况,根据加工过程中的刀具磨损曲线,设定了在该加工条件下刀具的相对磨钝标准。
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