Abstract: Activity for Binder flip-flow screen moving beam cross profile have a better satisfies to the requirement of actual working condition, this paper proposes a optimization design method based on ANSYS Workbench.Build the parameterized finite element model in the ANSYS Workbench software, applied to actual working condition, analysis the cross profile shape of the size parameters;Selection of bolt hole longitudinal and transverse distance and cross section and the foundation to optimize the parameters, the distance between the bolt hole position parameters and cross profile;Through the optimization module to activities outside the beam cross section optimization.The optimized activities meet the requirements of working condition of beam section, provides reference to the further optimization of the flip-flow screen.