A microfeed mechanism,droved by high frequency and long stoke voi ce coil motor(VCM) with MF type,has been introduced to develop the noncircular cutting system.

• 采用高频响、长行程MF(质量-阻尼)型音圈电机驱动的微进给机构,建立了非圆数控车削系统,分析了MF型音圈电机的数学模型,研究了该类电机的伺服控制方法。