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Effect of gravity and angular velocity on an automatic ball balancer

Title
Effect of gravity and angular velocity on an automatic ball balancer
Author
정진태
Keywords
automatic ball balancer; balancing performance; dynamic response analysis; gravity effect; velocity profile
Issue Date
2005-01
Publisher
PROFESSIONAL ENGINEERING PUBLISHING LTD
Citation
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF ENGINEERING MANUFACTURE, v. 219, No. 1, Page. 43-51
Abstract
The effects of gravity and an angular velocity profile on the performance of an automatic ball balancer (ABB) are studied in this paper. In order to investigate these effects, a physical model of a Jeffcott rotor with an ABB is adopted in this study, in which gravity as well as the angular acceleration is considered. With the polar coordinates, the non-linear equations of motion are derived by using Lagrange's equation. These equations include gravity, the angular acceleration, and the angular jerk. Based on the equations derived, time responses are computed by using the generalized a method. The effects of gravity on the balancing performance are analysed. For various angular velocity profiles, the ABB performance is also evaluated. The analysis of results shows that the balancing of the rotor with an ABB can be achieved regardless of gravity. It is also shown that a smooth velocity profile results in less vibration compared with a non-smooth velocity profile.
URI
https://journals.sagepub.com/doi/abs/10.1243/095440605x8333http://repository.hanyang.ac.kr/handle/20.500.11754/110108
ISSN
0954-4062
DOI
10.1243/095440605X8333
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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