Effects of ramp vibrational states on flexural intrinsic vibrations in Besocke-style scanners

doi:10.1088/1674-1056/22/6/068103

Abstract For both vibrating and steady supporting surfaces of a scanning disc in a Besocke-style piezoelectric scanner, a theoretical model is given by considering the nonlinear lateral friction at the micro-contact interface between the positioning legs and the supporting surface. Numerical simulations demonstrate that unexpected flexural vibrations can arise from a vibrating ramp, and their frequencies are lower than the eigenfrequencies of the scanner in the linearly elastic regime. The vibrations essentially depend on 1) the vibrational states of the supporting ramp and the steel ball tips on the three piezoelectric positioning legs and 2) the tribological characteristics of the contacts between the tips and the ramp. The results give insight into the intrinsic vibrations of the scanners, and are applicable in designing and optimizing piezoelectric scanning systems.

Keywords: Besocke-style scanner stick-slip behavior flexural vibration Timoshenko beam theory

Received: 06 September 2012
Revised: 18 December 2012
Accepted manuscript online:

PACS:	81.40.Pq	(Friction, lubrication, and wear)
	46.55.+d	(Tribology and mechanical contacts)
	07.79.Sp	(Friction force microscopes)

Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB921504), the National Natural Science Foundation of China (Grant Nos. 11004099, 1174142, and 11274169), the Natural Science Foundation of Jiangsu Province of China (Grant No. BK2012721), the Fundamental Research Funds for the Central Universities (Grant No. 1126020435), and the Priority Academic Program Development of Jiangsu Higher Education Institutions.

Corresponding Authors: Zhang Hui
E-mail: paslabw@nju.edu.cn

Cite this article:

Zhang Hui (张辉), Jiang Guo-Zhu (蒋国珠), Liu Zhao-Qun (刘朝群), Zhang Shu-Yi (张淑仪), Fan Li (范理) Effects of ramp vibrational states on flexural intrinsic vibrations in Besocke-style scanners 2013 Chin. Phys. B 22 068103

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Effects of ramp vibrational states on flexural intrinsic vibrations in Besocke-style scanners

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