In response to this situation, it is decided to increase the seven bolts by evenly dislocating the seven bolts (M8*65, 10.9) on the original flange surface. This will not only improve the fatigue resistance of the bolt, but also The relative stability between the two flanges is enhanced to extend the relative rest between the pulley and the shaft during high speed (4100r/min) operation.
Through technical repair: the large-scale imported equipment that is about to enter the end of life will be revived in the second spring of optimal operation, and the production will be continuously stable. In addition, the centrifuge belongs to imported equipment, and it takes nearly 300,000 yuan to replace the whole set of parts. If it is not repaired in time, the centrifuge will run loose to a certain stage, and the fatigue of the bolt will be loosened, which will cause the wear between the pulley and the shaft, thus shortening the service life of the pulley, shaft and other components, and greatly improving the maintenance of the centrifuge. cost.
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