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论文:2015,Vol:33,Issue(2):237-243 |
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引用本文： |
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孙鹏程, 史耀耀, 辛红敏, 赵盼, 李志山. 基于元结构的整体叶盘高效强力复合铣床立柱优化设计[J]. 西北工业大学学报 |
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Sun Pengcheng, Shi Yaoyao, Xin Hongmin, Zhao Pan, Li Zhishan. Optimizing Disc Milling Column of Efficient and Powerful Compound Milling Machine Tool Based on Cell Structure[J]. Northwestern polytechnical university |
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| 基于元结构的整体叶盘高效强力复合铣床立柱优化设计 |
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| 孙鹏程, 史耀耀, 辛红敏, 赵盼, 李志山 |
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| 西北工业大学机电学院, 陕西西安 710072 |
| 摘要: |
| 针对整体叶盘高效强力复合铣床的关键零部件刚性,运用有限元分析方法,分析其盘铣立柱的动、静态特性。提取立柱的3种典型元结构,结合盘铣切削条件,运用变量分析技术,并以元结构的出砂孔形状、尺寸、孔数和筋板作为优化对象,以固有频率和刚度为优化目标,以整体质量为约束条件,提高立柱的刚度质量比。根据获得的3种最优元结构对立柱重构建模,优化后的立柱结构方案与原方案相比,质量减轻(11.2%),固有频率(一阶固有频率增加28.4%)和刚度(整体变形减小38.5%)明显提高。 |
| 关键词:
ABAQUS
立柱结构
计算机软件
变形
有限元方法
网格划分
数学模型
模态分析
固有频率
优化
刚度
元结构
盘铣立柱
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| Optimizing Disc Milling Column of Efficient and Powerful Compound Milling Machine Tool Based on Cell Structure |
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| Sun Pengcheng, Shi Yaoyao, Xin Hongmin, Zhao Pan, Li Zhishan |
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| School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| We use the finite element method to analyze the dynamic and static characteristics of the disc milling column of an efficient and powerful compound milling machine tool. We extract its three typical cell structures, take into account the disc milling conditions and use the multivariate analysis technique to optimize the shape, size, rib plate and number of the clearance holes of a cell structure The optimization objective is to enhance the disc milling column's natural frequency and stiffness. We use integral mass as the constraint condition to increase its stiffness-to-mass ratio. We then use the three optimal cell structures thus obtained to reconstruct and model the disc milling column. The results on comparing the optimized disc milling column with the non-optimized one show preliminarily that the integral mass of the optimized disc milling column is lower by 11.2%; its first-order natural frequency increase by 28.4%; its stiffness is enhanced (the overall deformation diminishes by 38.5%). |
| Key words:
ABAQUS
columns (structural)
computer software
deformation
finite element method
mesh generation
mathematical models
modal analysis
natural frequencies
stiffness
cell structure
disc milling column
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| 收稿日期: 2014-10-08
修回日期:
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| DOI: |
| 基金项目: 高档数控机床与基础制造装备科技重大专项基金(2013ZX04001081)和西北工业大学研究生创业种子基金(Z2014095)资助 |
| 通讯作者:
Email： |
| 作者简介: 孙鹏程(1989-),西北工业大学硕士研究生,主要从事现代集成制造技术研究。
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参考文献: |
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