An equivalent wear method of friction material for ultrasonic motor

2011 Symposium on Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA) Pub Date : 2011-12-01 DOI:10.1109/SPAWDA.2011.6167258

Yan-li Wang, J. Qu, Jian-chun Li, Xiu Tian

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引用次数: 1

Abstract

As one of key materials for improving the performance of ultrasonic motor, the wear of friction material plays an important role in contact friction properties and output performance of ultrasonic motors. However, the wear loss of friction material is small in the friction system of ultrasonic motor. If effects of wear of friction material on properties of ultrasonic motor studied with a real motor, the experiment process were time-consuming and low efficiency and influenced by lots of known or unknown factors. In this paper, based on operation principle and wear characteristics of ultrasonic motor, an equivalent wear experimental method which using reduction of thickness of friction material equivalent to wear of friction material was proposed. And the relationships between wear of friction material and performance of ultrasonic motor were established. Validity of the method was carried out on one 60 traveling wave ultrasonic motor. This research could provide a new method for studying performance and life of ultrasonic motor.

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超声电机摩擦材料的等效磨损方法

作为提高超声电机性能的关键材料之一，摩擦材料的磨损对超声电机的接触摩擦性能和输出性能起着重要的作用。然而，在超声电机的摩擦系统中，摩擦材料的磨损量很小。在实际电机上研究摩擦材料磨损对超声电机性能的影响，实验过程耗时长，效率低，且受许多已知或未知因素的影响。本文根据超声电机的工作原理和磨损特点，提出了一种将摩擦材料厚度的减少等效为摩擦材料磨损的等效磨损实验方法。建立了摩擦材料磨损与超声电机性能之间的关系。在一台60行波超声电机上验证了该方法的有效性。该研究为研究超声电机的性能和寿命提供了一种新的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 Symposium on Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA)

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