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面向动态性能的机床结构分析技术研究的中期报告.docx

发布:2023-10-18约1.81千字共2页下载文档
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面向动态性能的机床结构分析技术研究的中期报告 摘要: 机床结构分析技术是机床设计、调试和优化的关键技术,能够直接影响机床性能和加工质量。随着机床加工精度和效率的不断提高,对机床动态性能的要求越来越高。本文针对面向动态性能的机床结构分析技术进行了研究,重点包括有限元建模、模态分析、动态响应分析等方面,通过对机床结构的理论分析和实验验证,得出以下结论: 1) 建立准确的机床有限元模型对于分析机床结构动态性能具有重要意义; 2) 模态分析可以准确预测机床的固有频率和振型,在设计和制造阶段可用于寻找优化结构,提高机床动态性能; 3) 动态响应分析能够有效评估机床在加工过程中的动态性能,及时发现和纠正机床结构的缺陷,优化机床加工质量。 关键词:机床结构分析;有限元建模;模态分析;动态响应分析;动态性能。 Abstract: Machine tool structural analysis technology is a key technology for machine tool design, debugging and optimization, and directly affects machine tool performance and processing quality. With the continuous improvement of machine tool processing accuracy and efficiency, the requirements for machine tool dynamic performance are getting higher and higher. This paper focuses on the research of machine tool structure analysis technology oriented to dynamic performance, including finite element modeling, modal analysis, dynamic response analysis, etc. Through theoretical analysis and experimental verification of machine tool structure, the following conclusions are drawn: 1) Establishing an accurate finite element model of the machine tool is of great significance for analyzing the dynamic performance of the machine tool structure; 2) Modal analysis can accurately predict the natural frequency and mode of the machine tool, and can be used in the design and manufacturing stages to find optimized structure and improve machine tool dynamic performance; 3) Dynamic response analysis can effectively evaluate the dynamic performance of the machine tool during the machining process, timely discover and correct the defects of the machine tool structure, and optimize the machine tool processing quality. Keywords: machine tool structure analysis; finite element modeling; modal analysis; dynamic response analysis; dynamic performance.
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