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采用功平衡法,给出了塑性变形法制造圆柱体金属毛坯中形孔内侧表面的矩形螺旋单元时变形力的计算公式。试验研究结果表明,该计算公式在工程实践中满足工程实际要求。
By using the work balance method, the formula for calculating the deformation force of a rectangular spiral element on the inner side of a hole in a cylindrical metal blank by plastic deformation method is given. Experimental results show that this formula meets the actual engineering requirements in engineering practice.