高速切削时，刀具具有不同于普通切削的失效机理，需要新的理论和方法来进行研究。
As failure mechanisms of cutting tools in HSM is different with those in conventional machining, new theory and research method should be presented.
重点探讨了刀具的磨损和失效机理、适宜切削不锈钢的涂层刀具基体和涂层的种类及特性。
The wear and failure mechanisms of the tools, the varieties and characteristics of the substrates and coatings of the tools suitable for cutting stainless steel are mainly studied.
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