汽车矩形花键闭式锻造成形数值模拟研究

打开文本图片集

中图分类号：U463.2 文献标识码：A 文章编号：1003-8639（2025）10-0148-03

【Abstract】This paper conducts a numerical simulation study on the hot extrusion pre-forging forming process of automotive rectangular splines withthe aidof DEFORM-3D software，with a focus onanalyzing the distribution laws of the stress field，strain field and temperature field.By optimizing the process parameters （temperature 1200% ，downward pressure speed 5mm/s，friction coefficient O.3），the simulation results show that the peak stressconcentration in the predicted tooh root/tooth toparea has decreased from 335MPa before optimization to 298MPa.The peak high strain in the transition zone reached 3.41mm/mm .Although no crack initiationphenomenon was observed during the simulation proces，the potential cracking risk was judged through theanalysis ofstress-straindistribution.Compared withbefore optimization， the overall forming quality of splines has been significantly improved.

【Key Words】 DEFORM-3D;rectangular spline;extrusion pre-forging; equivalent stress;equivalent strain

1 DEFORM-3D软件介绍

DEFORM-3D软件是一款可对金属成形过程中复杂几何形状与材料流动过程进行有效模拟的专业软件。（剩余4352字）