What are the causes of early failure of spindle bearings in machining centers-

In general, if the bearing is used reasonably in the machining center, the bearing can be used until it is completely unusable. However, it is inevitable that there will be accidental damage and the situation that it cannot continue to be used. The early failure of such machining center spindle bearings is caused by installation or use errors. The early failure of the spindle bearing of the machining center is mostly caused by the assembly, application, lubrication, dirt invaded from the outside, and insufficient preparation for the heat hazard of the shaft and the casing. In the work of spindle bearings in machining centers, there are many reasons that affect the clearance, mainly including temperature changes, centripetal force and mutual fit of parallel bearings. During the working process, due to the influence of centripetal force, coordination and temperature, the working clearance changes. The interference of the three factors is not independent of each other, but interrelated. Therefore, this can accurately reflect the influence of the three on the working clearance of the bearing during actual work, so as to effectively determine the bearing clearance, so as to improve the working efficiency and running precision of the bearing. According to the application location, application conditions and environmental conditions, the selection of specifications, precision, and matching with suitable bearings are the prerequisites for ensuring the service life and feasibility of the spindle bearings of the machining center. Only when the torque is accurate can the rotation be stable! ((/jgzxzz.html))

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