First,effective strain rate for slab forging with bulge is expressed in terms of two-dimensional strain rate vector.
首先将有鼓形平板锻造等效应变速率表示成二维应变速率矢量,化为矢量内积后进行逐项积分;其次将逐项积分结果求和并引进鼓形参数计算公式,进而得到应力影响因子的解析解。
First, effective strain rate for disk forging with bulge is expressed in terms of two-dimensional strain rate vector and its inner-product term by term integrated.
首先将有鼓形圆盘锻造等效应变速率表示成二维应变速率矢量,对该矢量的内积进行了逐项积分;其次,将逐项积分结果求和并证明了求和结果与传统直接积分法的塑性功率表达式相同;最后由速度场推导出圆盘锻造应力影响因子的解析解与相应的鼓形参数b的计算公式。
Based on the analysis of the rotation of cosine drum cam,this paper introduces a special de- vice to mill this type of cam on the ordinary horizontal milling machine.
通过对余弦鼓形凸轮运动特征的分析,介绍了在普通卧式铣床上利用分度头和回转工作台拼装的铣余弦鼓形凸轮形面的工装,实践证明,可保证较好的加工质量。
V rolling may decrease efficiently side overlap of slab,chamfer rolling may remove complately side overlap of slab.
平轧立轧可显著减小坯料侧面双鼓形及折叠,倒棱轧制可有效消除坯料侧面双鼓形。
V rolling may decrease efficiently side overlap of plate,chamfer rolling may remove complately side overlap of plate.
平辊立轧可显著减小坯料侧面双鼓形及折叠,倒棱轧制可有效消除坯料侧面双鼓形。
Latitude distribution algorithm of cutter position optimization on drum-like cutter for strip-maximization;
鼓形刀宽行刀位优化纬线分割算法