| 直驱式A/C轴双摆角铣头模态分析 |
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| 引用本文： | 林剑峰,闫明,郑鹏,孙淑霞.直驱式A/C轴双摆角铣头模态分析[J].机械传动,2010,34(4). |
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| 作者姓名： | 林剑峰 闫明 郑鹏 孙淑霞 |
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| 作者单位： | 1. 沈阳机床(集团)设计研究院有限公司,辽宁,沈阳,110142
2. 沈阳工业大学,机械工程学院,辽宁,沈阳,110870 |
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| 基金项目： | 高档数控机床与基础制造装备科技重大专项(2009ZX04011012) |
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| 摘 要： | 用有限元方法计算了直驱式A/C轴双摆角铣头的振动特性,给出铣头结构的前4阶振型,研究了A轴摆角对铣头结构固有频率的影响。铣头在工作中其固有频率为区间值,1阶固有频率(120.48,122.91),2阶固有频率(139.68,142.08),3阶固有频率(328.68,331.9),4阶固有频率(369.68,372.45)。该计算为该类型铣头的设计和改进提供技术支持。
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| 关 键 词： | 双摆角铣头 模态分析 固有频率 有限元方法 |
Modal Analysis about Direct-drive A/ C Bi-rotary Milling Head |
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| Abstract: | Vibration characteristic of direct drive A/C birotary milling head is analyzed by finite element method(FEM),former four order vibration mode of the milling's structure is given,influences to natural frequency of the milling's structure which comes from swing angle of the A-axis is studied.The natural frequencies when the milling head is working are interval values,the first order natural frequency is(120.48,122.91),the second order natural frequency is(139.68,142.08),the third order natural frequency is(32... |
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| Keywords: | Bi-rotary milling head Modal analysis Natural frequency Finite element method |
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