| 五轴数控机床几何误差建模方法研究 |
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| 引用本文： | 杨林,崔再铎,任仲伟,贺玉坤.五轴数控机床几何误差建模方法研究[J].机械,2014(7):10-13. |
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| 作者姓名： | 杨林 崔再铎 任仲伟 贺玉坤 |
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| 作者单位： | 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： | 辽宁省教育厅科技项目（L2012033） |
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| 摘 要： | 五轴数控机床是实现工件复杂表面精密加工的重要设备,而机床本身精度是保证加工精度的重要前提。以一台大型五轴数控加工机床为研究对象,分析各项误差,应用多体系统运动学理论,建立移动轴与旋转轴的几何误差数学模型,推导出刀具相对工件坐标系的位置与姿态误差表达式,为误差补偿提供精确数学模型,提高机床加工精度。
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| 关 键 词： | 五轴机床 几何误差 误差模型 |
Modeling method of geometric error in five-axis CNC machine tool |
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| YANG Lin,CUI Zai-duo,REN Zhong-wei,HE Yu-kun.Modeling method of geometric error in five-axis CNC machine tool[J].Machinery,2014(7):10-13. |
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| Authors: | YANG Lin CUI Zai-duo REN Zhong-wei HE Yu-kun |
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| Affiliation: | ( School of Mechanical Engineering, Shenyang University of Technology, Shenyang 110870, China ) |
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| Abstract: | As for complex surfaces, five-axis NC machine tool is an important equipment to achieve the precision machining; the accuracy of the machine tool itself is an important prerequisite to ensure accuracy. A large five-axis CNC machine tool is studied in this paper by analysis of errors, the moving axis and rotary axis geometric error mathematical models is achieved by the application of multi-body kinematics theory, the position and attitude error expression of the tool relative to the work piece coordinate system are deprived, provide a accurate mathematical model for error compensation and improve the accuracy of CNC machine tool. |
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| Keywords: | machine tool geometric error error model |
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