| 摘要 |
<P>PROBLEM TO BE SOLVED: To restrain the occurrence of local tooth loading of a gear by properly absorbing displacement in the axial direction of a shaft system by using gear shaft couplings, in a design method of a power transmission device. Ž<P>SOLUTION: An initial shaft inclination θ0 is calculated based on device items, and a gear shaft coupling friction coefficient is calculated by taking into consideration an inclination of the gear shaft couplings 43 and 53 in the initial shaft inclination θ0, and thrust force and the moment transmitted by the gear shaft couplings are calculated by using the gear shaft coupling friction coefficient and an operation condition. Thrust force, the moment and bearing reaction of a first small gear 21a are calculated based on the thrust force and the moment transmitted by the gear shaft couplings, and an actual shaft inclination θ1 is calculated based on the thrust force, the moment and the bearing reaction of the first small gear, and a shaft inclination θ is set based on a deviation between the initial shaft inclination θ0 and the actual shaft inclination θ1. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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