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KSME international journal v.16 no.8, 2002년, pp.1095 - 1101   피인용횟수: 2

Load Characteristics of Engine Main Bearing : Comparison Between Theory and Experiment

Cho, Myung-Rae   (Power Train R&D Center, Hyundai Motor Co.CC0003089  ); Oh, Dae-Yoon   (Power Train R&D Center, Hyundai Motor Co.CC0003089  ); Ryu, Seung-Hyuk   (Power Train R&D Center, Hyundai Motor Co.CC0003089  ); Han, Dong-Chul   (Han, Dong-Chul  );
  • 초록

    The load characteristics of engine main bearing are very important in the design of crankshaft and engine block. The stiffness of crankshaft and block, or the optimal dimension of the bearing can be determined according to the load level. This paper presents the load characteristics of engine main bearing. Two components of the main bearing load are measured during engine firing and motoring. The vertical and horizontal load components are measured by using the dynamic load cell mounted in each main bearing cap bolt. The measured main bearing loads are compared with calculated results by using the statically determinate method. The theoretical results, provided in this study, agreed well with the experimental results. The presented results are very useful for achieving optimal design of engine.


  • 주제어

    Load .   Main Bearing .   Crankshaft .   Statically Determinate Method .   Bearing Cap .   Moving System.  

  • 참고문헌 (7)

    1. Tinaut, F. V., Melgar, A., Gimenez, B., Fernandez, L. and Huidobro, H., 2000, 'A Method to Determine the Two Components of the Crankshaft Load on a Bearing Cap in Firing Engines,' SAE paper 2000-01-1340 
    2. Cho, M. R., Shin, H. J. and Han, D. C, 2000, 'A Study on the Circumferential Groove Effects on the Minimum Oil Film Thickness in Engine Bearings,' KSME International Journal, Vol. 14, No. 7, pp. 737-743 
    3. Eglof von Schnurbein, 1970, 'A New Method of Calculating Plain Bearings of Statically Indeterminate Crankshafts,' SAE paper 700716 
    4. Gross, W. and Hussmann, A. W., 1966, 'Forces in the Main Bearings of Multicylinder Engines,' SAE paper 660756 
    5. Ishihama, M., Hayashi, Y. and Kubozuka, T., 1981, 'An Analysis of the Movement of the Crankshaft Journal During Engine Firing,' SAE paper 810772 
    6. Mourelatos, Z. P., 1995, 'An Analytical Investigation of the Crankshaft Flywheel Bending Vibrations for a V6 Engine,' SAE paper 951276 
    7. Prakash, V., Aprameyan, K. and Shrinivasa, U., 1998, 'An FEM Based Approach to Crankshaft Dynamics and Life Estimation,' SAE paper 980565 
  • 이 논문을 인용한 문헌 (2)

    1. Park, Young-Joon ; Shim, Mun-Bo ; Kim, Hyun-Jun ; Suh, Myung-Won 2004. "A Study on FEM of the Bearing Girder in the Large Vessel Engine Structure" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 28(12): 1877~1885     
    2. Lee, Jae-Ok ; Lee, Young-Shin ; Lee, Hyun-Seung ; Kim, Jae-Hoon ; Jun, Joon-Tak ; Kim, Chul-Goo 2008. "Structural Analysis on the Heavy Duty Diesel Engine and Optimization for Bearing Cap" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 32(5): 402~410     

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