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四点接触球轴承内外圈沟道圆度误差对旋转精度的影响
Authors
杜辉
杨旭
+3 more
田凯文
邱明
陈月
Publication date
1 January 2020
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
以四点接触球轴承为研究对象,针对四点接触球轴承旋转精度开展研究,提出了同时考虑轴承内圈和外圈圆度误差的轴承旋转精度数值计算方法。以轴承径向跳动量描述轴承的旋转精度,根据四点接触球轴承的结构特点及运动关系,构建了轴承径向跳动的数学模型,并基于Matlab编写程序进行仿真计算。结果表明,内圈沟道谐波阶次不变时,轴承的旋转精度会随着谐波幅值的增大而降低;当内圈谐波阶次为3即内圈沟道廓形为三棱圆时,轴承径向跳动最小,轴承旋转精度最高;当外圈圆度误差谐波次数与钢球的个数存在整倍关系时,外圈的径向跳动最大,当外圈圆度误差谐波次数是钢球个数一半的奇数倍时,外圈径向跳动的值最小
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Last time updated on 06/04/2023