| 基于方向矢量的三维刀具半径补偿技术研究 |
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| 引用本文： | 许爱芬,谢霞,刘宁.基于方向矢量的三维刀具半径补偿技术研究[J].机床与液压,2011,39(3). |
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| 作者姓名： | 许爱芬 谢霞 刘宁 |
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| 作者单位： | 军事交通学院装运机械系,天津,300161 |
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| 基金项目： | 国家自然科学基金资助项目(50875260) |
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| 摘 要： | 刀具半径补偿技术是CNC系统中的关键技术之一,是加工轨迹插补运算的数据来源与依据。根据编程轨迹及刀具半径值规划出刀具中心的运动轨迹,尤其是轨迹转接点坐标值,是保证零件轮廓精度的必要前提。引入方向矢量的概念,提出一种基于方向矢量的三维刀具半径补偿技术,深入研究三坐标直线加工刀具半径补偿原理与实现方法;根据空间几何要素之间的位置关系,建立编程轮廓刀心轨迹的相应算法。仿真结果证明了该算法的可行性。
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| 关 键 词： | 刀具半径补偿 矢量法 数控系统 |
Study on 3D Cutter Radius Compensation Technology Based on Direction Vector |
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| XU Aifen,XIE Xia,LIU Ning.Study on 3D Cutter Radius Compensation Technology Based on Direction Vector[J].Machine Tool & Hydraulics,2011,39(3). |
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| Authors: | XU Aifen XIE Xia LIU Ning |
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| Affiliation: | XU Aifen,XIE Xia,LIU Ning(Department of Handling Facilities,Academy of Military Transportation,Tianjin 300161,China) |
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| Abstract: | Cutter radius compensation is the key technology in CNC system which is the data sources and basis of contour interpolation.It is the necessary premise to guarantee the part contour precision according to programming track and cutter radius to plan the tool center path,especially the coordinates of the joint points.The concept of orientation vector was introduced and a technology of 3D cutter radius compensation based on vector method was put forward.The theory and method of cutter radius compensation in th... |
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| Keywords: | Cutter radius compensation Vector method CNC system |
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