On one hand this article give us a brief analysis on the relationship between cutting parameters and practical production, on the other hand it gives us some reality ways that can enhance productivity and reduce the cost of production. At the same time it forecasts the development direction of turning through detailed analysis of the current machining industry.%阐述了车削用量与实际生产的联系，提供了部分在保证机械产品性能和质量的基础上提高生产率和缩减成本的可靠性解决办法。在仔细分析了当前机加工行业的情况下，预测了车削加工的发展方向。
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