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特殊工件精密磨削是一个复杂的多变量影响过程,本文开展了精密磨削加工技术的优化研究。在利用已知加工外表面母线方程的基础上,采用了精密数控曲线磨削砂轮法向跟踪的方法,通过保证曲线轮廓上磨削点处的法线经过砂轮的回转平面,实现了砂轮与工件之间的恒定点接触,在分析砂轮与工件运动几何关系的基础上,建立了砂轮法向跟踪的数学模型,从而提高了加工精度,实现了对任意复杂曲线轮廓的磨削加工。
Special workpiece precision grinding is a complex multivariable process, this paper carried out the optimization of precision grinding technology. On the basis of using known outer surface generatrix equations, the method of precision CNC curve grinding grinding wheel normal tracking is adopted. By ensuring the normal line of grinding curve on the curve profile passes the rotating plane of the grinding wheel, the grinding wheel and workpiece Based on the analysis of the geometrical relationship between the grinding wheel and the workpiece, a mathematical model of the normal tracking of the grinding wheel is established, which improves the machining accuracy and realizes the grinding of any complicated curve profile.