Research on the Force-Fitted Gear : 9th Report, The Influence of Projections around a Cylinder, Repeated Numbers of Fitting and Extracting Processes on Fitting and Extracting Forces and Conditions of Fitting Surface

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The principal object of this paper is to discuss how the fitting and extracting forces, slipping torque limit and the conditions of fitting surface vary with the repetition of force-fitting and extracting. Fitting and extracting forces of a cylinder with projections ( gear ), were compared with those of a cylinder without projecting, and the influence of size of the projections on fitting and extracting forces is examined, too. Moreover, the authors have introduced the most suitable conditions for force-fitting. From these experimental results, the authors came to the conclusion that, in the case of repetition of fitting and extracting processes, the increase of actual contract area of force-fitting surface and the decrease inner pressure are considered to be the most important factors influencing the change of fitting and extracting forces, and the influence of the former on the fitting, extracting forces and slipping torque limit is larger than that of the latter.
一般社団法人日本機械学会の論文