105 ハイブリッド構造の採用による歯車騒音の低減

概要

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This paper describes a study on the vibration and noise characteristics of hybrid structure gears, of which teeth and a rim part are made of SCM415 steel and gear body is made of FC200 or FCD370. In this experiment, three types of hybrid structure gears, in which attaching conditions of a rim part to a gear body are different, were used. The running tests for hybrid structure gears were carried out under different running conditions by using the power-absorbing-type gear testing machine, and the circumferential, radial and axial vibration accelerations of the gear body and the sound pressure were measured. Furthermore, the vibration accelerations and sound pressures of normalized SCM435 gears, damping alloy DAW (Fe-Ni-Mn alloy) gears and austempered ductile iron ADI gears were also measured and the results were compared with the results of hybrid structure gears. The vibration accelerations and sound pressures of hybrid structure gears, DAW and ADI gears are found to be lower than those of conventional SCM435 gears due to the larger logarithmic decrements of these gears. It may be considered that the vibration and noise characteristics of gears are improved considerably by adopting the hybrid gear structure.
一般社団法人日本機械学会の論文
2003-06-04