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A Study on the Prevention of Cracks on the Trepan Area of Motor Bearing  

Lee, Kyung-Won (Department of Mechanical Engineering, Chonnam National University)
Ban, Jae-Sam (Department of Mechanical Engineering, Chonnam National University)
Kang, Heyong-Seon (Department of Mechanical Engineering, Chonnam National University)
Cho, Kyu-Zong (Department of Mechanical Engineering, Chonnam National University)
Publication Information
Journal of Mechanical Science and Technology / v.17, no.2, 2003 , pp. 215-220 More about this Journal
Abstract
Trepan prevents the wear of the inside part of a bearing when the initial shaft rotates. It continuously contacts with the eccentric part of the shaft in rotation and is loaded repeatedly. Therefore, even if an early crack of a trepan part is small, the crack may progress by the repeated load. If the crack progresses, very small chips come out. This Is put in the rotor and prevents the rotation of the compressor, There can be leaks in a microgroove and extreme wear can occur due to lack of oil on the surface contact part. Therefore, this study was carried out to compare and investigate the trepan strength and deflection characteristics between trepan locations and dimension changes using the finite element method and search a motor bearing for a model with bigger stiffness of a trepan part and the same deflection.
Keywords
Motor Bearing; Trepan; Finite Element Analysis; Stress; Deflection;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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1 Jaroslaw Sep, Anna Kucaba-Pietal, 2001, 'Experimental Testing of Journal Bearings with Two-component surface Layer in the Presence of an Oil Abrasive Contaminant,' Wear, Vol. 249, No. 12, pp. 1090-1095   DOI   ScienceOn
2 Jei, Y. G. and Lee, C. W., 1988, 'Finite Element Model of Asymmetrical Rotor-Bearing Systems,' KSME Int. J., Vol. 2, No. 2, pp. 116-124   DOI
3 Jun, O. S., 1999, 'Relation Between Correction Masses and Bearing Forces in a Rigid Rotor,' KSME Int. J., Vol. 13, No. 11, pp. 791-797   DOI
4 Kang, K. P. and Rhim, Y. C., 1998, 'A Study on the Static and Stability Characteristics of the Oil-Lubricated Herringbone Groove Journal Bearing,' J. KSME A, Vol. 22, No. 4, pp. 859-867
5 Kim, K. W. and Moon, W. S., 1986, 'A Study on the Cavitation in a Journal Bearing with Pressurized Lubricant Supply,' Journal of the KSLE, Vol. 2, No. 2, pp. 44-51   과학기술학회마을
6 Wang, X. L., Zhu, K. Q. and Wen, S. Z., 2002, 'On the Performance of Dynamically Loaded Journal Bearing Lubricated with Couple Stress Fluids,' Tribology International, Vol. 35, No. 3, pp. 185-191   DOI   ScienceOn
7 Manfred Krueger, 1988, 'Theoretical Simulation and Experimental Evaluation of An Hermetic Rolling Piston Rotary Compressor,' Purdue University., M.S. thesis
8 Koh, S. K., 1993, 'Residual Stress Analysis of an External Grooved Thick-Walled Pressure Vessel,' KSME Int. J., Vol. 7, No. 3, pp. 194-202
9 Shin, D. W. and Rhim, Y. C., 2000, 'An Analysis of Herringbone Groove Journal Bearing Considering Groove Shape,' Journal of the KSLE, Vol. 16, No. 6, pp. 425-431   과학기술학회마을
10 Park, R. W., 2000, 'Crack Detection, Localization and Estimation of the Depth in a Turbo Rotor,' KSME Int. J., Vol. 14, No. 7, pp. 722-729   과학기술학회마을   DOI
11 Shim, H. H., Kim, C. H., Oh, P. K. and Kwon, O. K., 1986, 'Optimum Design of Dynamically-Loaded Journal Bearings by Mobility Method,' Journal of the KSLE, Vol. 2, No. 2, pp. 32-43
12 Shim, H. H., Kim, C. H. and Kwon, O. K., 1989, 'Optimal Design of the Crank Press Main Journal Bearing,' KSME Int. J., Vol. 5, No. 1, pp. 69-75   과학기술학회마을
13 Chun, S. M. and Ha, D. H., 2001, 'Study on Mixing Flow Effects in a High-Speed Journal Bearing,' Tribology International, Vol. 34, Issue 6, pp. 397-405   DOI   ScienceOn
14 Cheong, Y. M. and Kim, K. W., 1991, 'An Analysis of the Circumferentially Grooved Floating Ring Journal Bearing,' Journal of the KSLE, Vol. 7, No. 2, pp. 75-84   과학기술학회마을
15 Yang, B. S., Lee, Y. H., Choi, B. K. and Kim, H. J., 2001, 'Optimum Design of Short Journal Bearing by Artificial Life Algorithm,' Tribology International, Vol. 34, No. 7, pp. 427-435   DOI   ScienceOn
16 Chun, S. M. 2002, 'A Parametric Study on Bubbly Lubrication of High-Speed Journal Bearing,' Tribology International, Vol. 35, No. 1, pp. 1-13   DOI   ScienceOn