In order to improve the accuracy of spherical roller bearing with the actual installation, must use the measurement methods and tools do not make spherical roller bearing deformation, precision measurement of spherical roller bearing of the inner and outer circle with the surface of the actual size, there will be a measurement project inside and outside all be measured, and a comprehensive analysis of measured data, so as to make precision shaft and hole of the spherical roller bearing installation site size. When the actual size and geometry of the shaft and seat hole are measured, it should be carried out at the same temperature as the measured spherical roller bearing.
In order to ensure a higher actual coordination effect, the surface of the shaft and the seat hole and the spherical roller bearing should be as small as possible.
In the measurement, should be in the outer circle and spherical roller bearing on the inner hole, and the corresponding surface of shaft and hole on both sides in the near assembly chamfer, respectively to two groups can show the maximum deviation direction mark, so that in the actual assembly, so that the maximum deviation match two party at the same in this range, after the assembly, both of deviation to partially offset.
The purpose of making two sets of directional signs is that the compensation for the deviation can be considered comprehensively. Even if the rotation accuracy of the two ends supports is improved, the coaxality error of the seat between the two supports and the two ends of the journal can be partially eliminated. The measures for surface strengthening, such as sand blasting, with a slightly larger diameter plug plug in the inner hole, are all beneficial to the improvement of the matching precision.
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