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水潤滑塑料合金軸承的潤滑機(jī)理
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    摘要:

    闡述了多重網(wǎng)格算法的基本原理及其在水潤滑塑料合金軸承彈流潤滑數(shù)值計算中的具體實施過程,,并在線接觸彈流潤滑理論的基礎(chǔ)上,對水潤滑塑料合金軸承的彈流潤滑模型進(jìn)行數(shù)值計算,,繪出無量綱壓力和無量綱膜厚曲線,。從理論上揭示出潤滑機(jī)理為由于塑料合金具有高彈性而彈性模量較低,因而水潤滑塑料合金軸承易于產(chǎn)生彈性變形,,導(dǎo)致軸承與軸摩擦表面間楔形水膜的形成,,從而形成彈流潤滑。

    Abstract:

    The principle of the multilayer gridding algorithm, as well as its applications in the numerical calculation of water lubricated plastic alloy bearing elastohydrodynamic lubrication (EHL), was described. The computation of a water lubricated plastic alloy bearing EHL was carried out by the numerical model based on the liner contact theory. A cuneiform water film on the frictional surface between bearing and spindle is formed because the plastic alloy has a high elasticity and low Young's modulus, which lead the water lubricated bearing is easy to be distorted.

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余江波,王家序,田凡,王洋.水潤滑塑料合金軸承的潤滑機(jī)理[J].農(nóng)業(yè)機(jī)械學(xué)報,2007,38(3):160-163.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(3):160-163.

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