The traditional process of mechanical cutting of electrotechnical steels, still have many advantages such as: high efficiency, no thermal deformation zone affected by hot ablation, the possibility of shaping products of any length of the cutting line. However, this process introduces a substantial plastic deformation to the sheet metal and causes premature edge fracture during the subsequent forming process. This causes the deterioration of the magnetic properties of material. The paper studies the effects of the technological parameters of shear- slitting process on residual stresses and strains, quality of sheared edge and selected magnetic properties based on ET 122-30 grain oriented electrical steel. For the study, a simulation model ofthe process using mesh-free method (SPH) is developed. To obtain knowledge of the influence of this parameters on quality of cut surface and magnetic properties of material, experimental research was done using vision-based measurement system, confocal and atomic force microscopes and system for testing soft magnetic materials. Finally, an example of graphical optimization is presented and set of acceptable solutions is developed on the plane of controllable variables. Using obtained relationships and results, it is possible to control cutting process to obtain high cut surface quality with minimum deterioration of magnetic properties.

电工钢的机械切削的传统工艺仍具有许多优点，例如：效率高，不受热烧蚀影响的热变形区，可以对任意长度的切割线进行成型的产品。但是，该过程使金属板发生明显的塑性变形，并在随后的成型过程中导致边缘过早断裂。这导致材料的磁性能下降。本文研究了基于ET 122-30晶粒取向电工钢的剪切开裂工艺技术参数对残余应力和应变，剪切边缘质量和选择的磁性能的影响。为了进行研究，建立了使用无网格方法（SPH）的过程仿真模型。为了了解该参数对材料的切割表面质量和磁性能的影响，我们使用基于视觉的测量系统，共焦和原子力显微镜以及用于测试软磁材料的系统进行了实验研究。最后，给出了图形优化的示例，并在可控制变量的平面上开发了一组可接受的解决方案。使用获得的关系和结果，可以控制切割过程以获得高的切割表面质量，同时磁性能的劣化最小。给出了图形优化的示例，并在可控制变量的平面上开发了一组可接受的解决方案。使用获得的关系和结果，可以控制切割过程以获得高的切割表面质量，同时磁性能的劣化最小。给出了图形优化的示例，并在可控制变量的平面上开发了一组可接受的解决方案。使用获得的关系和结果，可以控制切割过程以获得高的切割表面质量，同时磁性能的劣化最小。