| Issue |
MATEC Web Conf.
Volume 257, 2019
2018 International Conference on Progress in Mechanical and Aerospace Engineering (PMAE 2018)
|
|
|---|---|---|
| Article Number | 02008 | |
| Number of page(s) | 4 | |
| Section | Materials Science and Mechanical Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201925702008 | |
| Published online | 16 January 2019 | |
Tip-replaceable Horn with Full Wavelength for Ultrasonic Welding
Dept. of Mechanical Engineering, Incheon National Univ., Yeonsu Gu, Incheon, 22012, Korea
Ultrasonic welding is faster, environmental friendly, and more efficient than conventional welding. Ultrasonic welding stack, the key part in ultrasonic welding equipment, is composed of transducer, booster, and horn. In the case of ultrasonic welding, wear in the welding tips or breakage of horn occurs because ultrasonic vibration of tips is transmitted directly to the welding material. If grinding of the tips is repeated several times, the mass of horn is reduced and the frequency characteristic is changed. So, there is a limit to refurbishment. In additions, as materials of horn are relatively expensive, some cost problems could be occurred for replacing horns. This study, in order to reduce the manufacturing cost of horn, devised a tip-replaceable ultrasonic horn so that its tip can be easily replaced whenever it is worn. For the designed shape, natural frequency and vibration mode are analyzed using FEA. Through the FEA, the optimal tip-replaceable horn with resonance frequency of 40 kHz is proposed.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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