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鋼球滾子弧面分度凸輪載荷分布
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國家自然科學(xué)基金資助項目（50875153）


Load Distribution of Globoidal Indexing Cam Mechanism with Steel Ball
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    摘要:

    運用空間嚙合原理和回轉(zhuǎn)張量法，推導(dǎo)出凸輪滾道截形采用雙圓弧結(jié)構(gòu)時，鋼球滾子弧面分度凸輪的廓面方程和嚙合方程。應(yīng)用赫茲接觸理論和變形協(xié)調(diào)條件，推導(dǎo)出載荷在每個參與嚙合鋼球中的分配關(guān)系。通過實例計算，發(fā)現(xiàn)每個鋼球上的載荷大小分配不同，在鋼球的嚙入、嚙出點，鋼球受力發(fā)生突變，參與嚙合的鋼球數(shù)目越多，每個鋼球的受力越小。

    Abstract:

    The profile surface equation and the meshing equation of a steel ball globoidal indexing cam with double-arc structure were deduced by using rotation tensor method and spatial engagement theory. The load distribution and connection expression of input torque and output torque were deduced applying hertz contact theory and deformation compatibility condition. It was acquired by example that the load distributed on each steel ball engaging in was different and the force on steel ball changed abruptly when steel ball was engaged in and out, the more steel balls were engaged in, the smaller force of each ball would be. 

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付振山,馮顯英,李蕾,張成梁.鋼球滾子弧面分度凸輪載荷分布[J].農(nóng)業(yè)機械學(xué)報,2011,42(5):231-234. Fu Zhenshan, Feng Xianying, Li Lei, Zhang Chengliang. Load Distribution of Globoidal Indexing Cam Mechanism with Steel Ball[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(5):231-234.

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