1. generally, TIMKEN bearing of configuration bearing of configuration on TIMKEN bearing rigid of effects also is large, for centripetal thrust type of ball bearing and roll child bearing, in into on using times take outer ring big end surface relative (that its pressure by constitute of pressure cone Tsim to outside) of configuration, such configuration TIMKEN bearing anti-subversion torque of capacity large, in temperature changes Shi its adjustable was of pre-tight volume also less occurs changes.
Match the 2.TIMKEN bearing surface on the shaft and hole at the request of bearing mount, its lower surface roughness, shape and position accuracy of better you are supporting higher rigidity. Effect of surface treatment on the surface and is conducive to enhancing rigidity. Using low roughness of high hardness stopper, to a certain degree of interference mitigation more than once in a lubricated State press and exit holes, has also contributed to better support rigidity, similar treatment available ring on the axle if necessary.
3. in contrast, TIMKEN bearings on the bearing in the axial position allowed under the condition of each point using two or more than two bearings as radial bearings, increasing bearing rigidity. For example recently in parts of machine tool spindle, axial preloading of widely used to install, several sets of radial spherical plain thrust bearings as the same pivot shaft bearing.
4. take advantage of TIMKEN bearing preload method to improve the support rigidity on ball bearings or tapered roller bearings axial preload method can be taken, while the short cylindrical roller bearing radial preload method can be adopted, can significantly improve the rigidity of shaft bearing, or eliminate the bearing clearance or it is a modest negative clearance. But speed is not too high, temperature rise under modest conditions, best little negative clearance State should also be adjustable.
　 The preload is applied, should be constantly measure the deformation, note in the stage of deformation of low value, deformation is nonlinear as preload load increases, whereas in high stage, deformation is linear as load increases. Once deformed load a linear relationship, they immediately stopped increasing preload load, had constant stiffness is available at this time.
　 TIMKEN bearing axial stiffness and there is a fixed relationship between radial rigidity, and does not depend on external loads. Deformation measurements, you can use such as thousand table head arrives in appropriate parts of the bearing surface, or axis, observing their readings change with preload load method.


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