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编者按：关于主轴用滚动轴承的刚度计算问题，目前国内外尚未达到实用的程度，只作某 些定性分析。由于弹塑性变形理论计算的根据尚在研究、工艺因素复杂，使得计算结果与实际结 果相差甚大。许多国家发展了成套的控制轴承预加负荷的装量，效果尚好。本文仍属传统的方 法，其可靠性有待同试验所用结果对比，希同志们积累有关数据资料。欢迎撰文交流信息。
Editor’s note: Regarding the calculation of the stiffness of the rolling bearing with the main shaft, at present, the practical level has not yet been reached at home and abroad, and only for some qualitative analysis. Due to the fact that the calculation of elastoplastic deformation theory is still under study and the technological factors are complex, the calculated results differ greatly from the actual results. Many countries have developed a complete set of pre-loaded control bearing load, the effect is still good. This article is still a traditional method, its reliability to be compared with the results of the test, Greek comrades have accumulated data. Welcome author exchange of information.