数控板料开卷矫平剪切生产线落料机落料过程的建模仿真与结构优化研究

Modeling simulation and structure optimization study of high-speed blanking process for large blanking machine equipment in CNC cut-to-length line

本文首先综述了开展数控板料开卷矫平剪切生产线落料机落料过程的建模仿真与结构优化研究的背景和意义,并指出了用有限元方法可为重型机械的控制规范的优化设计提供有力的工具。选取了CAD三维造型软件UG NX4.0和有限元分析软件ANSYS建立了横梁结构的有限元模型,进而对整体横梁结构进行了静、动态特性分析,在此基础上优选出静、动态性能较为优越的矩形横截面结构的横梁。在数控板料开卷矫平剪切生产线落料机的设计阶段,运用有限元理论和模态分析理论,对落料机结构的静、动态性能做出分析预测并运用优化设计方法进行优化,对于新机床工作性能的改善、加工精度的提高、开发周期的缩短和产品竞争力的增强无疑是十分重要的。

The background and significance to investigate modeling simulation and optimization of the high- speed speed blanking process for large blanking machine equipment in CNC cut-to-length line have been overviewed in the text. And the finite element method has been used to optimal design of the control specifications for heavy machinery. The finite element model of beam structure has been established by use of a three-dimensional modeling software UG NX4.0 CAD and finite element analysis software ANSYS. Then the static and dynamic characteristics results of the whole beam structure have been analyzed. On the basis of analysis results, the rectangle cross-section of the beam structure with optimal static and dynamic performance has been obtained. During the design stage of large blanking machine equipment in CNC cut-to-length line, by use of finite element theory and modal analysis theory, the static and dynamic performance for the structure of the blanking machine have been analyzed and optimized via optimal design method. It is very important not only for the improvement of working performance and accuracy, but also for the decrease of the development cycle and enhancement of the competitiveness of products.