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What are the reasons for the early failure of the spindle bearing of the machining center
Under normal circumstances, if the machining center uses the bearing reasonably, the bearing can be used until it is completely unusable. However, accidental damage will inevitably occur, and the situation cannot be continued. The early failure of the spindle bearings of such machining centers is caused by installation or use errors. The early failure of the spindle bearing of the machining center is mostly caused by the intrusion of dirt from the outside in assembly, application and lubrication, and insufficient preparation for the thermal hazards of the shaft and the casing. In the work of the spindle bearing of the machining center, there are many reasons for harming its clearance, mainly including the temperature change of the parallel bearing, the centripetal force and the mutual cooperation. In the whole process of work, because of the harm of centripetal force, mutual cooperation and temperature, the working clearance changes. The interference effect of the three factors is not independent of each other, but is related to each other. Therefore, only in this way can it accurately reflect the harm of the three to the working clearance of the bearing during the specific work, and it is convenient to effectively clarify the clearance of the bearing, so as to improve the working efficiency and operation precision of the bearing. The selection of specifications, models, specifications, precision, and mutual matching of suitable bearings according to the application location, application standards and natural environment standards is the precondition to ensure the service life of the spindle bearing of the machining center and the precondition for feasibility analysis. The torque is accurate, in order to turn stable!
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