| 基于有限元分析的拉刀磨床床身结构优化设计 |
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| 引用本文： | 郭俊康,方荣,洪军,邱志惠,张明东,屈佳敏.基于有限元分析的拉刀磨床床身结构优化设计[J].组合机床与自动化加工技术,2011(1). |
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| 作者姓名： | 郭俊康 方荣 洪军 邱志惠 张明东 屈佳敏 |
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| 作者单位： | 1. 西安交通大学,机械制造系统工程国家重点实验室,西安,710054
2. 陕西秦川机械发展股份有限公司,秦川发展技术研究院,宝鸡,721009 |
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| 基金项目： | 国家科技重大专项资助项目，国家863计划资助项目 |
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| 摘 要： | 床身是机床的重要基础件,它的动态特性和静态特性直接影响到机床的精度和稳定性.在设计阶段通过建立QMK008拉刀磨床床身的实体模型和有限元模型,基于有限元方法进行仿真计算,得到了原始设计方案床身的变形和模态.根据床身的结构特点和刚度要求对原始方案进行改进,通过有限元分析和对比,发现增加壁厚和筋板厚度床身刚度没有明显提高,采用米字型筋板可以提高床身的静刚度和狭长形床身的固有频率,增加地脚螺栓个数对于提高床身动静刚度也有明显作用.
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| 关 键 词： | 拉刀磨床 床身 有限元分析 优化设计 |
Optimization Design for the Bed Structure of Broach Grinder Based on FEM Analysis |
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| GUO Jun-kang,FANG Rong,HONG Jun,QIU Zhi-hui,ZHANG Ming-dong,QU Jia-min.Optimization Design for the Bed Structure of Broach Grinder Based on FEM Analysis[J].Modular Machine Tool & Automatic Manufacturing Technique,2011(1). |
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| Authors: | GUO Jun-kang FANG Rong HONG Jun QIU Zhi-hui ZHANG Ming-dong QU Jia-min |
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| Affiliation: | GUO Jun-kang1,FANG Rong2,HONG Jun1,QIU Zhi-hui1 ZHANG Ming-dong2,QU Jia-min2(1.State key laboratory for Manufacturing Systems Engineering,Xi'an Jiaotong University,Xi'an 710054,China,2.Qinchuan Machine Tool Group Co.,Ltd,Qinchuan Development Technology Research Institute,Baoji 721009,China) |
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| Abstract: | The machine bed is the key part of machine tool.The dynamic and static characteristics of the bed directly influence the working accuracy and stability of the machine tool.The finite element models of QMK008 broach grinder beds were established at the design stage.Based on the finite element method,the deformations in working conditions and modals of original design were obtained.The original design was improved based on the structure characteristics and stiffness requirements.According to the finite elemen... |
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| Keywords: | broach grinder machine tool bed finite element method optimization design |
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