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轧制表是无缝钢管生产工艺的重要依据.但迄今对自动轧管机轧制表的计算尚没有一套较好的方法,文献[1]中虽解决了这一问题,但公式繁琐,计算复杂.作者将公式中的变量绘制成计算图,以得到简捷的计算方法.从图1可以看出,在直角坐标系中,取u、v和w三坐标互相平行,u和w与w和v之间的距离比为m∶n,u和v之间的距离为H.令u在xoy直角坐标系中与oy轴重合,若一贯线l与u、V和w分别相交于u_0(x_1,y_1)、V_0(x_2,y_2)和w_n(x_3,y_3).
Rolling table is an important basis for the production process of seamless steel pipe, but so far there is not a set of better methods for calculating the rolling table of automatic pipe rolling mill. Although the problem is solved in [1], the formula is complicated, Computational complexity of the formula variables drawn in the calculation of the graph to get a simple calculation method can be seen from Figure 1, in Cartesian coordinates, take u, v and w coordinate parallel to each other, u and w and w And v is m: n, and the distance between u and v is H. Let u coincide with the oy axis in the xoy rectangular coordinate system, and if the intersecting lines l and u, V and w intersect at u_0 x_1, y_1), V_0 (x_2, y_2) and w_n (x_3, y_3).