通过回归分析，建立了切削效率和刀具磨损率的数学模型；
The mathematic models of machining efficiency and wear of cutter were founded by analysis of regression about experimental results.
优化切削参数是提高生产率、改进工件质量和降低成本的重要手段。
The optimization of cutting parameters is an important means in raising productivity, improving the quality and decreasing the cost.
实验结果表明，该方法不仅可以在多种切削条件下获得较高的识别率，还可以识别出新的刀具故障。
Experiments indicate that this method has a high ratio of recognition in a range of cutting condition and even can detect novel tool faults.
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