Modal and harmonic response analysis of cutter head of juice extractor

Jinkuan Li; Zaixin Liu; Dingli Zhou; Zhao Li

doi:10.1117/12.2265262

23 January 2017 Modal and harmonic response analysis of cutter head of juice extractor

Jinkuan Li, Zaixin Liu, Dingli Zhou, Zhao Li

Proceedings Volume 10322, Seventh International Conference on Electronics and Information Engineering; 103220E (2017) https://doi.org/10.1117/12.2265262
Event: Seventh International Conference on Electronics and Information Engineering, 2016, Nanjing, China

Abstract

A cutter head is one of the most important parts in juice extractor, because whether the juice extractor is reliable or secure enough is directly to the cutter head natural frequency as well as its mode shape size. Cutter head is took as an example in this paper. By establishing the vibration dynamics equations and using finite element method, the 6 modal of the cutter head is analyzed. The range of the rotate speed to keep safety is obtained when it is working. The result shows that the highest rotate speed of the cutter head is far lower than its first order critical speed which avoids the sympathetic vibration efficiently, and the cutter head is designed relatively rational. The harmonic response of the cutter head is analyzed based on the result of modal analysis. The resonant frequency and amplitude of cutter head are obtained. They can provide a theoretical basis for the further design optimization of the cutter head.

Citation Download Citation

Jinkuan Li, Zaixin Liu, Dingli Zhou, and Zhao Li "Modal and harmonic response analysis of cutter head of juice extractor", Proc. SPIE 10322, Seventh International Conference on Electronics and Information Engineering, 103220E (23 January 2017); https://doi.org/10.1117/12.2265262

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