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http://dx.doi.org/10.5050/KSNVN.2004.14.10.1035

Vibration Reduction of Electric Hand Grinder  

조성진 (성균관대학교 대학원 기계공학과)
최연선 (성균관대학교 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.14, no.10, 2004 , pp. 1035-1040 More about this Journal
Abstract
The vibration of an electric hand grinder originates from the motor, gear, bearing, and fan. Its excessive vibration can be harmful to workers. To reduce the vibration of an electric hand grinder. frequency analysis for the vibration signals of a running electric hand grinder and modal test for the each part were done. The results show that the vibration is due to the resonance of the case. To remove the resonance, the case structure was modified and the bearing cap was replaced on a basis of the results of the rotor dynamic analysis using SAMCEF. As a result, the vibration of the electric hand grinder was reduced greatly.
Keywords
Electric Hand Grinder; Modal Analysis; Rotor Dynamics; Structure Modification; Bearing Cap;
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  • Reference
1 /
[ Pelmear, P. L.;Wasserman, D. E. ] / Hand-arm Vibration, (2nd ed)
2 /
[] / SMACEF User Manual-9.1
3 /
[] / STAR Modal System Users Gudie
4 /
[ Maia, N. M. M. ] / Theoretical and Experimental Model Analysis
5 /
[] / SAMCEF Field User Manual-3-1
6 An Optimum Design of a Rotor-Bearing Spindle System for a Ultra Centrifuge /
[ Kim, J. R.;Yoon, K. C.;Park, J. K. ] / Journal of the Korean Society of Precision Engineering