日本機械学会論文集
Online ISSN : 2187-9761
ISSN-L : 2187-9761
機械力学,計測,自動制御,ロボティクス,メカトロニクス
多段歯車装置におけるかみあい非整数次振動の長周期振幅変動分析による不良原因歯車特定方法
松村 茂樹北條 春夫
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2015 年 81 巻 826 号 p. 15-00004

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Ground gears sometimes brings ‘ghost noise’ whose frequency is non-integer order of mesh frequency and the cause of ghost noise is surface undulation due to manufacturing process. But the undulation is slight and it becomes difficult to detect with tooth surface measurement. To point out source gear of ghost noise, we propose ‘amplitude fluctuation analysis’ that assumes ghost noise has the cycle of least common multiple meshing period because just the same tooth pair mesh again. The proposed method can make clear which gear pair is the source of ghost noise. Combining this method and synchronous averaging method, we can point out the source gear completely. Experimental verification results with double stage helical gear system shows that proposed method is effective.

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© 2015 一般社団法人日本機械学会
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