| XK2425/5L五轴龙门铣床主体结构有限元分析 |
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| 引用本文： | 关英俊,赵扬,任利利,母德强. XK2425/5L五轴龙门铣床主体结构有限元分析[J]. 组合机床与自动化加工技术, 2010, 0(12) |
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| 作者姓名： | 关英俊 赵扬 任利利 母德强 |
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| 作者单位： | 长春工业大学机电工程学院; |
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| 基金项目： | 吉林省科技支撑计划重点资助项目，长春市科技支撑计划重点资助项目 |
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| 摘 要： | 为提高五轴龙门铣床的整机结构性能指标,提出了机床关键零部件与整机并行优化设计的思想。运用CAE工程分析软件,建立了五轴龙门铣床关键零部件及整机的有限元模型,并对其主体结构进行了重力、切削力载荷下的静刚度分析以及关键零部件和整机的动态刚度仿真分析,找出了结构中的薄弱环节,并在此基础上对机床中关键零部件的结构参数提出了改进方案。分析结果表明,改进后的结构方案在整机自重降低632Kg的情况下,静刚度由50.2N/μm提高到68.4N/μm,一阶固有频率由30Hz提高到42Hz,整机性能指标得到显著提高。
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| 关 键 词： | 龙门铣床 静刚度 动态特性 结合部 有限元分析 |
Finite Element Analysis of XK2425/5L Five-axis Gantry Milling Machine Main Structure |
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| GUAN Ying-jun,ZHAO Yang,REN Li-li,MU De-qiang. Finite Element Analysis of XK2425/5L Five-axis Gantry Milling Machine Main Structure[J]. Modular Machine Tool & Automatic Manufacturing Technique, 2010, 0(12) |
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| Authors: | GUAN Ying-jun ZHAO Yang REN Li-li MU De-qiang |
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| Affiliation: | GUAN Ying-jun,ZHAO Yang,REN Li-li,MU De-qiang(School of Mechatronic Engineering,Changchun University of Technology,Changchun 130012,China) |
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| Abstract: | In order to improve the structural performance of a five-axis gantry milling machine,a design idea of adopting parallel optimum design for key components and complete machine was investigated.Using CAE(Computer Aided Engineering) software,the finite element analysis model of key components and the complete machine of the five-axis gantry milling machine were established.Then the static stiffness with the gravity and cutting force load cases and dynamic stiffness of the machine tool were analyzed,and the wea... |
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| Keywords: | gantry milling machine static stiffness dynamic characteristic contact face finite element analysis |
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