轨迹误差建模的多轴联动机床轮廓误差补偿技术探究

摘要

For the purposes of improving the precision of multi-axis machining.Firstly analysis of the root causes contour error of multi-axis machine tools.Building mathematical model and main influence fac-tors,providing a compensation algorithm and cross-compensation control strategy,as well as to study the method of selection of the best locations.By trajectory modeling to calculate error machine,and reduce errors.Finally,through the actual processing of data,for modeling error of multi-axis contouring error compensation technology of machine tool provides strong evidence for the effectiveness.%为了达到提高多轴联动机床加工精度的目的，首先分析了导致多轴联动机床产生轮廓误差的根本原因，然后根据主要的影响因素建立数学模型，提供了一种补偿量算法与交叉补偿控制策略，同时对最佳位置的选择方法进行了研究。通过轨迹建模来计算并减小机床轮廓误差。最后与实际的加工数据进行比较，为轨迹误差建模的多轴联动机床轮廓误差补偿技术的有效性提供了有力的佐证。