基于主机动态性能的立柱优化方法研究

邵睿; 张建富; 冯平法; 郁鼎文

doi:10.13433/j.cnki.1003-8728.2015.0901

基于主机动态性能的立柱优化方法研究

doi: 10.13433/j.cnki.1003-8728.2015.0901

邵睿¹,
张建富^1,2,
冯平法^1,2,
郁鼎文^1,2, ,

1.
清华大学机械工程系, 北京 100084;
2.
清华大学精密超精密制造装备及控制北京市重点实验室, 北京 100084

基金项目:

国家科技重大专项项目（2013ZX04001-011）与国家973计划课题项目（2013CB035400）资助

详细信息

作者简介:
邵睿（1990-），硕士研究生，研究方向为机床性能分析与优化研究，sr12@mails.tsinghua.edu.cn

通讯作者:
郁鼎文，教授，yudw@tsinghua.edu.cn

计量
- 文章访问数: 142
- HTML全文浏览量: 23
- PDF下载量: 8
- 被引次数: 0
出版历程
- 收稿日期: 2013-09-12
- 刊出日期: 2015-09-05

Study on Column Structural Optimization Based on Dynamic Characteristic of Machine Tools

Shao Rui¹,
Zhang Jianfu^1,2,
Feng Pingfa^1,2,
Yu Dingwen^{1,2
, ,}

1.
Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;
2.
Beijing Key Laboratory of Precision and Ultra-precision Manufacturing Equipment and Control, Qinghua University, Beijing 100084, China

摘要

摘要: 通过对某卧式加工中心的立柱筋板形式进行优化，使得其主机动态刚度提高。首先利用SolidEdge对主机建立模型，适当简化后导入ANSYS Workbench进行网格划分，并对重要结合面建模，模拟实际工况，得到主机模态振型和以主轴端面为观测点的谐响应曲线。找到主机薄弱环节，并针对立柱筋板形式加以改进。结合Workbench拓扑优化分析，去除立柱外侧壁板部分材料，使得立柱累计减轻质量931.9 kg，约占原有结构质量的9.6%。立柱优化后的主机在前六阶模态频率基本不变的情况下，X方向动刚度提高为原结构的1.82倍，Y方向动刚度提高为原结构的1.37倍。
- 卧式加工中心 /
- 立柱 /
- 动刚度 /
- 谐响应分析
Abstract: The structure of ribs form in the column of a horizontal machining center was optimized to increase dynamic stiffness of the host. Through the establishment of three-dimensional model and surface model for host, approaching to the working conditions, the modal shape of the host and harmonic response curve of the host with spindle end as the observation point were recorded. Analyzing modal analysis results to find the weak links, and changing the ribs form structure of the column combined with Workbench topology optimization results to remove part of the material, the quality of the cumulative column was reduced up to 931.9 kg accounting for about 9.6%, X direction dynamic stiffness increased to 1.82 times by original structure, and Y direction dynamic stiffness increased 1.37 times.
- computer software /
- dynamic stiffness /
- harmonic response analysis /
- horizontal machining center

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参考文献(15)

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