滚珠丝杠磨削再生颤振稳定性极限预测

摘要

滚珠丝杠磨削过程中再生颤振对提高工件质量和生产效率有很大影响.在对滚珠丝杠磨削振动系统建立动力学模型的基础上,推导计算出机床再生颤振系统极限磨削深度与砂轮转速的计算公式及绘制出颤振稳定性极限预测图.最后,通过实验结果验证了该颤振稳定性极限预测模型的有效性和实用性.%The ball screw grinding regenerative chatter influences seriously to improve the workpiece surface quality and productivity efficiency. Based on the ball screw grinding chatter system, the paper builds the dynamical model. The formulas of the grinding depth limit and the grinding wheel speed was derived from the regenerative chatter model. Al last, the stability limits has been applied to the ball screw grinding system, and its feasibility are proved.