Redesign of Ultrasonic Block Horns for Improved Vibration Performance-Reference-Cited by-同舟云学术

Redesign of Ultrasonic Block Horns for Improved Vibration Performance

Published:1997-07-01 Issue:3 Volume:119 Page:410-414
ISSN:1048-9002
Container-title:Journal of Vibration and Acoustics
language:en
Short-container-title:

Author:

Lucas M.¹,Smith A. C.¹

Affiliation:

1. Department of Mechanical Engineering, Loughborough University of Technology, Leicestershire LE11 3TU United Kingdom

Abstract

Ultrasonic block horns are prone to reliability problems associated with modal activity close to the tuned operating frequency. This paper presents an approach to block horn design, which relies on two laser based vibration measurement techniques, electronic speckle pattern interferometry (ESPI) and laser doppler velocimetry (LDV) modal analysis, to validate finite element (FE) models. Block horn vibration characteristics are interpreted from experimental and theoretical data such that successful horn redesign can be achieved from modifications to the FE models.

Publisher

ASME International

Subject

General Engineering

Link

http://asmedigitalcollection.asme.org/vibrationacoustics/article-pdf/119/3/410/5664396/410_1.pdf

Reference5 articles.

1. Adachi, K., Ueha, S., and Mori, E., 1986, “Modal Vibration Analysis of Ultrasonic Plastic Welding Tools using the Finite Element Method,” Proceedings of Ultrasonics International, 1986.

2. Lucas, M., and Chapman, G. M., 1989, “Vibration Analysis at Ultrasonic Frequencies,” Proceedings of the 12th Biennial ASME Conference on Vibration and Noise, Montreal, Canada.

3. Lucas, M., and Chapman, G. M., 1993, “Design of Ultrasonically Assisted Radial Dies by Validated Finite Element Models,” Proceedings of Ultrasonics International ’93, Vienna, Austria, pp. 707–710.

4. O’Shea K. , 1991, “Enhanced Vibration Control of Ultrasonic Tooling Using Finite Element Analysis,” Proceedings of ASME, Vibration Analysis—Analytical and Computational, DE-Vol. 37, pp. 259–265.

5. Shoh, A., 1976, “Welding of Thermoplastics by Ultrasound,” Ultrasonics, Vol. 14, No. 5.

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