| 超精密滚珠丝杠进给系统谐响应的有限元分析 |
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| 引用本文： | 侯秉铎,许瑛,彭浪草,杨俊虎. 超精密滚珠丝杠进给系统谐响应的有限元分析[J]. 组合机床与自动化加工技术, 2011, 0(6) |
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| 作者姓名： | 侯秉铎 许瑛 彭浪草 杨俊虎 |
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| 作者单位： | 南昌航空大学航空制造工程学院,江西南昌,330063 |
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| 基金项目： | 南昌航空大学研究生创新基金 |
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| 摘 要： | 以超精密滚珠丝杠进给系统试验台为研究对象,使用有限元法对其进给系统的工作台受到轴向正弦力载荷时系统的谐响应进行了分析.由于目前传统的滚珠丝杠进给系统有限元模型不能准确的分析电机轴输出端的转矩动载荷对进给系统产生的谐响应,据此提出了一种新的进给系统有限元模型,保证了其谐响应分析的准确性.并根据分析结果可知,在超精密滚珠丝杠进给系统中,电机轴输出端的转矩动载荷会对进给系统的定位精度产生不可忽视的影响.
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| 关 键 词： | 超精密滚珠丝杠进给系统 谐响应分析 有限元 频率 振幅 |
Uitra-precision Ball-screw Feed System Harmonic Response of the Finite Element Analysis |
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| HOU Bing-duo,XU Ying,PENG Lang-cao,YANG Jun-hu. Uitra-precision Ball-screw Feed System Harmonic Response of the Finite Element Analysis[J]. Modular Machine Tool & Automatic Manufacturing Technique, 2011, 0(6) |
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| Authors: | HOU Bing-duo XU Ying PENG Lang-cao YANG Jun-hu |
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| Affiliation: | HOU Bing-duo,XU Ying,PENG Lang-cao,YANG Jun-hu(Nanchang Hangkong University,Jiang Xi Nanchang 330063,China) |
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| Abstract: | Uitra-precision ball-screw feed system test stand as the research object,the use of finite element method into the system to its bench strength by axial sinusoidal harmonic load,the system is analyzed.The traditional ball screws due to the current finite element model of the feed system is not an accurate analysis of the output torque of the motor shaft of the feed system dynamic load generated harmonic response,this paper presents a new finite element model of the feed system,ensure The harmonic analysis o... |
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| Keywords: | ultra-precision ball-screw feed system harmonic analysis frequency amplitude |
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