遊動中介輪による遊星歯車の荷重等配 : (第2報荷重分担率の計算)

概要

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The performance of planetary gearing system by means of floating intermediate rings have been found to be very good for practical usage. The reliable theory, which can quantitatively estimate the load sharing factors in the designing stage in order to apply this system for the reduction of rotation of the marine main engine, is required for understanding the performance.<BR>This paper shows the calculating method of the static load sharing factors by introducing the coefficient‘ε’, where, ‘ε’is defined as the ratio of spring constant to load. This method can be applied for non-linear system such as oil film bearing. The influences of the factors (ratio of bearing width to diameter, centrifugal force, series connection with elastic spring and series connection with another oil film spring) on‘ε’of oil film spring are also shown. Furthermore, the theoretical results of the load sharing factors are compared with the experimental results in the cases of 175 Ps and 350 ps, and the theoretical results are found to agree very well with the experimental results in both cases.<BR>It is established in this study that the use of floating intermediate ring in designing the planetary gear system has a very high reliability.