Abstract：The separating processes of stamping can be used only for separation and forming of sheet metal part,and the cross-section is vertical.In modern manufacturing,a new requirement of sheet metal part with step cross-section in both the inner hole and outer edge has been proposed.Aiming at this new sheet metal part type,a new flow control forming process of sheet metal has been excogitated,which based on blanking process of general stamping and combined with cold forging processes such as extrusion and coining,etc.With utilization of this new process,the newly structural sheet metal parts can be manufactured.The numerical simulation was carried out by using DEFORM-3D CAE software,and both deformation and mechanics rules were analyzed,then a new conception of optimal distance between the step walls of inner hole and outside edge was proposed as well as the design principle for its numerical value was inferred.Furthermore,a mould & die set for combination of stamping & cold forging had been designed and manufactured,the technologic experiments with aluminum plates part and coppr sheet were taken for validation.
卢险峰； 李湖峰； 章跃荣； 周勇. 金属薄板台阶断面件可冷压加工性的试验研究[J]. 南昌大学学报（工科版）, 2012, 34(01): 74-78.
LU Xian-feng1,LI Hu-feng1,ZHANG Yue-rong2,ZHOU Yong. An Experiment Study on Workability for Cold Pressure Forming of Sheet Metal Part with Step Cross-section. , 2012, 34(01): 74-78.
2012, Vol. 34 
