介绍了切边圆盘剪剪刃侧隙量及重叠量的控制机构和调整方法，提出根据被剪切带材厚度选择侧隙量及重叠量的经验值进行调整剪切作业，检验实际剪切带材的断面质量效果并对经验值进行修正，利用数学多阶函数逼近法进行数值拟合，得到带材厚度与剪刃侧隙、重叠量的数学模型并成功应用到工程实践中，证明该方法是可行的，有一定参考价值。%Based on analysis of the gap and overlap control mechanism and adjustment method of trimming disc shear,the paper proposed to choose the gap and overlap empirical data according to strip thickness,adjust the cutting operation,and inspect the cross section quality.It abtained the mathematical models of strip thickness, gap and overlap by a numerical fitting process with multi-function approximation method,and successfully ap-plied to engineering practice.It proved this is a feasible and reference value method.
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