| 五轴联动数控机床空间综合误差解耦技术研究 |
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| 引用本文： | 姚立权,张萌,李刚,韩伟.五轴联动数控机床空间综合误差解耦技术研究[J].机床与液压,2021,49(5):102-106. |
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| 作者姓名： | 姚立权 张萌 李刚 韩伟 |
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| 作者单位： | 辽宁装备制造职业技术学院机械工程学院,辽宁沈阳110161;大连理工大学精密与特种加工教育部重点实验室,辽宁大连116024 |
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| 基金项目： | 国家科技重大专项（2017ZX04011009） |
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| 摘 要： | 分析五轴联动机床的误差项和拓扑结构,给出伺服轴运动时理想情况和有误差情况下的坐标变换矩阵。以此为基础,给出五轴联动机床空间综合误差的计算方法。基于多体运动学的微分变换原理,给出五轴联动机床综合误差解耦算法。以某RTTTR型五轴联动机床为例,应用MATLAB进行实际综合误差解耦和补偿计算,结果验证了该解耦算法的正确性。
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| 关 键 词： | 五轴机床 空间误差 误差解耦 补偿 |
Study on the Volumetric Comprehensive Error Decoupling Technology for 5-axis CNC Machine Tool |
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| YAO Liquan,ZHANG Meng,LI Gang,HAN Wei.Study on the Volumetric Comprehensive Error Decoupling Technology for 5-axis CNC Machine Tool[J].Machine Tool & Hydraulics,2021,49(5):102-106. |
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| Authors: | YAO Liquan ZHANG Meng LI Gang HAN Wei |
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| Affiliation: | (School of Mechanical Engineering,Liaoning Vocational Polytechnic of Equipment Manufacture,Shenyang Liaoning 110161,China;Key Laboratory of Precision and Special Processing Education,Dalian University of Technology,Dalian Liaoning 116024,China) |
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| Abstract: | The error items and topological structure of the 5-axis machine tool were analyzed, and the coordinate transformation matrix with and without errors when the servo axis moving were given. On this basis, the volumetric comprehensive error calculation method for the 5-axis machine tool was given. The volumetric comprehensive error decoupling algorithm for 5-axis machine tool was given based on the differential transform principle of multi body kinematics. Taking the RTTTR type 5-axis machine tool as an example, the actual comprehensive error decoupling and compensation were calculated by using MATLAB. The results show that the decoupling algorithm is correct. |
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| Keywords: | 5-axis machine tool Volumetric error Error decoupling Compensation |
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