【作者】 潘雷； 王寅； 黄卫清；

【Author】 Huang Wei-qing,Pan Lei,Wang Yin(State Key Laboratory of Mechanical Structure Strength and Vibration,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

【机构】 南京航空航天大学机械结构强度与振动国家重点实验室；

【摘要】 尺蠖式驱动器使用叠层压电堆作为其核心作动单元,具有可控精度高、作动行程大的特点,在精密加工和高精度定位等领域有着较高的应用价值。本文概述了尺蠖式驱动压电作动器的发展,并从实现原理上对其分类,并对其特点进行介绍.在此基础上总结出该类作动器技术实现上的困难所在,即加工装配要求高,夹持力保持问题;并提出一种新型设计,对加工装配要求高,夹持力保持的问题进行了有效解决,从而提高了该类压电作动器的运行稳定性,节约了加工成本。更多还原

【Abstract】 Inchworm-type motor using piezoelectric stack as its core actuator with the characteristics of controlled precision,large travel,and the motor is needed in the field of precision processing and high precision positioning.This article outlines the development of inchworm-type piezoelectric motor,and describes the principle,classification of the motor,and its characteristics.On this basis,the difficulties on technology of the motor were summed up,that is processing,assembly,the keep of clamping force and not running smoothly.We propose a new inchworm type motor.The proposed motor is effective solution to the issues above,and saves processing costs.更多还原