Influence of turning parameters on distortion of bearing rings
Influence of turning parameters on distortion of bearing rings
复制标题
车削参数对轴承套圈变形的影响
DOI：
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发表时间：
2007
期刊：
影响因子：
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通讯作者：
E. Brinksmeier
中科院分区：
文献类型：
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作者：
L. Nowag;J. Sölter;E. Brinksmeier
轴承套圈的车削在热处理后经常导致不期望的形状和尺寸变化，这被称为变形。为了研究切削参数对变形的影响，进行了外纵车削试验。在机械加工后，测量环的几何形状和环圆周周围的残余应力。然后通过随后的热处理释放残余应力。热处理后，再次测量环的几何形状。结果表明，加工过程中产生的残余应力与热处理后的尺寸变化有很好的相关性。对尺寸变化影响最大的切削参数是进给速度和切削深度。软加工引起的残余应力导致环直径的增加，这取决于加工参数。
The turning of bearing rings often leads to undesired form and dimensional changes after heat treatment which are referred to as distortion. In order to investigate the influence of cutting parameters on distortion, external longitudinal turning experiments were conducted. After machining the ring geometry and the residual stresses around the rings’ circumference were measured. The residual stresses were then released by a subsequent heat treatment. After the heat treatment the ring geometry was measured again. The results show that the residual stresses induced by the machining process correlate well with the dimensional changes after heat treatment. The cutting parameters that have the highest influence on the dimensional changes are the feed rate and the depth of cut. Residual stresses induced by soft-machining lead to an increase of the ring diameter, depending on the machining parameters.