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本文用统计误差计算机床加工误差的合格概率,以工艺可靠性分析判别机床精度合理性,并依据“GB3802—83”标准提高了现有曲轴磨床精度。
In this paper, statistical error is used to calculate the qualified probability of machining error, and the accuracy of machine tool is judged by process reliability analysis. The accuracy of existing crankshaft grinding machine is improved according to GB3802-83.