本文選題：圓柱滾子軸承 + 旋轉(zhuǎn)精度��； 參考：《河南科技大學(xué)》2011年碩士論文

【摘要】：滾動軸承的旋轉(zhuǎn)精度是表征滾動軸承性能的一個主要指標,對設(shè)備軸系的回轉(zhuǎn)性能起著至關(guān)重要的作用。研究滾動軸承旋轉(zhuǎn)精度的預(yù)測理論,是一個新的課題,對設(shè)計和開發(fā)高精度滾動軸承具有指導(dǎo)意義。 本文運用編程仿真和數(shù)理統(tǒng)計的方法預(yù)測圓柱滾子軸承的旋轉(zhuǎn)精度。主要針對軸承旋轉(zhuǎn)精度的外圈徑向跳動K_(ea),具體做了以下幾點工作:首先,在外圈僅存在圓度誤差、軸承零件為剛性等假設(shè)條件下運用C++編程實現(xiàn)其預(yù)測仿真算法,并詳細論述了實現(xiàn)該算法的過程;并驗證了該算法的可行性和有效性。其次結(jié)合仿真結(jié)果,分析了外圈滾道圓度誤差的諧波系數(shù)、諧波次數(shù)及徑向游隙、滾子個數(shù)等軸承參數(shù)對外圈徑向跳動K_(ea)和外圈徑向偏移d 0max的影響;得出了圓柱滾子軸承旋轉(zhuǎn)精度與諧波次數(shù)、滾子個數(shù)三者之間特殊的規(guī)律性。再次,對圓柱滾子軸承零件的圓度誤差與旋轉(zhuǎn)精度進行了測量,由測量數(shù)據(jù),分析了圓度誤差的分布特征與其諧波的分布特征;最后,結(jié)合仿真和測量數(shù)據(jù),采用數(shù)理統(tǒng)計學(xué)的回歸分析法,建立了圓柱滾子軸承外圈徑向跳動的統(tǒng)計學(xué)模型。 通過以上研究得出:本文提出的仿真算法可以有效的預(yù)測圓柱滾子軸承的外圈徑向跳動K_(ea)。外圈圓度誤差對圓柱滾子軸承旋轉(zhuǎn)精度的影響很大,其諧波參數(shù)與旋轉(zhuǎn)精度之間的關(guān)系可以用二元二次正交多項式表示,且具有數(shù)理統(tǒng)計學(xué)意義上較高的顯著性。
[Abstract]:The rotary precision of rolling bearing is a main index to characterize the performance of rolling bearing and plays an important role in the rotary performance of equipment shafting. It is a new subject to study the prediction theory of rolling bearing rotation accuracy, which is of guiding significance to the design and development of high precision rolling bearing. In this paper, the method of programming simulation and mathematical statistics is used to predict the rotation accuracy of cylindrical roller bearings. Aiming at the radial runout of the outer ring of bearing rotation accuracy, this paper has done the following work: firstly, under the assumption that the outer ring has only roundness error and the bearing part is rigid, C program is used to realize its prediction and simulation algorithm. The implementation process of the algorithm is discussed in detail, and the feasibility and effectiveness of the algorithm are verified. Secondly, based on the simulation results, the effects of the harmonic coefficient, the number of harmonics, the radial clearance and the number of rollers on the outer ring radial runout Kia) and the outer ring radial offset d 0max are analyzed. The special regularity between the rotation accuracy of cylindrical roller bearing and the number of harmonics and the number of rollers is obtained. Thirdly, the roundness error and rotation accuracy of cylindrical roller bearing parts are measured. From the measurement data, the distribution characteristics of roundness error and its harmonics are analyzed. Finally, the simulation and measurement data are combined. A statistical model of radial runout of outer ring of cylindrical roller bearing was established by regression analysis of mathematical statistics. It is concluded that the simulation algorithm presented in this paper can effectively predict the radial runout of the outer ring of cylindrical roller bearings. The roundness error of outer ring has a great influence on the rotation accuracy of cylindrical roller bearings. The relationship between harmonic parameters and rotation accuracy can be expressed by binary quadratic orthogonal polynomials and has a high mathematical and statistical significance.
【學(xué)位授予單位】：河南科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH133.3

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