|About this Abstract
||NUMISHEET 2021: The 12th International Conference on Numerical Simulation of 3D Sheet Metal Forming Processes
||Numerical Investigation of a Two-stage Shear Cutting Process Considering Cutting Line Geometry, Wear Condition and Cutting-offset
||Isabella Pätzold, Jens Stahl, Roland Golle, Wolfram Volk
|On-Site Speaker (Planned)
Edge cracks are a well-known problem in the series production of body components. Various approaches were developed to predict the sensitivity of edge cracks and to improve the forming behavior of shear cut edges. The two-stage shear cutting process has become a popular method for reducing the edge crack sensitivity of steels and for exploiting their forming potential. The application of this method with adapted shear cutting parameters has the advantage that the severely damaged shear affected zone is removed and the scrap can also flow in radial direction. This results in an earlier fracture of the material and less damage to the shear cut edge. In this paper the simulation model is presented as well as the results of the numerical parameter analysis using the material HCT780X. The influence of the radius of the cutting line, the wear condition of the active elements of the shear cutting tool as well as the width of the cutting-offset on the resulting damage within the shear affected zone were investigated.
||Definite: At-meeting proceedings