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本文系统地考察了从国外引进的五种可转位硬质合金刀片的实际断屑民性能．观察了切屑的形态，分析了折断机理．总结出加工参数的变化影响切屑流向、卷曲及折断的规律．最后探讨了目前刀片槽形设计的趋向．
This article systematically examines the actual introduction of five carbide inserts introduced from abroad, the actual chip breaker performance. The morphology of the chips was observed and the breaking mechanism was analyzed. It is concluded that the variation of processing parameters affects the flow direction, curling and breaking of chips. Finally, the current trend of blade slot design is discussed.