楔横轧成形等内径空心轴的椭圆度影响规律

采用二次回归正交旋转组合设计法,对楔横轧成形等内径空心轴的椭圆度影响规律进行有限元模拟分析和轧制实验,得到了具有较高参考价值的回归方程。依据回归方程和模拟结果,得出了工艺参数对等内径空心轴椭圆度的影响规律,以及各因素对椭圆度的影响程度主次和工艺参数的最优组合。研究结果为实现等内径空心轴类零件的楔横轧精确成形,以及优化模具设计和工艺参数的合理确定,提供了理论依据。

Study on the ovality of hollow shafts with equal inner diameter formed by cross wedge rolling

Refer to quadratic quadrature rotate combination design method,finite element simulation and rolling experiments on the effect rules of the ovality of hollow shafts with equal inner diameter formed by cross wedge rolling had been done.According to the regressive equation being presented and the simulation results,the effect rules of process parameters on the ovality and optimal combination of process parameters were obtained.Research results have theoretical sense and reference values for realizing accurate forming,optimizing die design,and determining technological parameters for hollow shafts with equal inner diameter by cross wedge rolling.