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混合彈流潤滑下弧齒錐齒輪傳動嚙合效率計算方法
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Meshing Efficiency for Spiral Bevel Gears under the Condition of Mixed Elastohydrodynamic Lubrication
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    摘要:

    齒輪的實際潤滑狀態(tài)為兼具完全彈流潤滑和邊界潤滑的混合彈流潤滑。通過推導(dǎo)混合彈流潤滑下齒輪的平均滑動摩擦因數(shù)，結(jié)合弧齒錐齒輪的幾何接觸特性與承載接觸特性，計算其瞬時接觸橢圓長軸上各點的滑動摩擦功率損失，擬合了嚙合周期內(nèi)的滑動摩擦功率損失函數(shù)，經(jīng)過積分運(yùn)算得到了混合彈流潤滑下弧齒錐齒輪傳動的嚙合效率。通過與格利森公司計算錐齒輪傳動嚙合效率的方法對比分析，表明該方法計算正確且精度高。

    Abstract:

    The average sliding friction coefficient was derived in the mixed elastohydrodynamic lubrication state, with complete elastohydrodynamic and boundary lubrication. Based on the geometry and load contact characteristics of spiral bevel gears, the sliding friction power loss of each point on the long axis of the instantaneous contact ellipse was calculated. Meanwhile, the function of sliding friction power loss in a meshing period was established. The meshing efficiency of spiral bevel gears was calculated by integrating the function under the condition of mixed elastohydrodynamic lubrication. This algorithm was demonstrated to be correct and precise compared with Gleason corporation’s method of calculating the meshing efficiency of bevel gears.

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谷建功,方宗德,蘇進(jìn)展,沈云波.混合彈流潤滑下弧齒錐齒輪傳動嚙合效率計算方法[J].農(nóng)業(yè)機(jī)械學(xué)報,2010,41(5):188-192. Meshing Efficiency for Spiral Bevel Gears under the Condition of Mixed Elastohydrodynamic Lubrication[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(5):188-192.

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