The hottest way to disassemble NSK outer spherical
2022-10-16- Detail
Methods for disassembling NSK outer spherical bearing
1. Disassemble NSK outer spherical bearing
1. First loosen the locking screw on the eccentric sleeve of the bearing with an Allen wrench, then insert a small iron rod into the counterbore on the eccentric sleeve of the top cover, and loosen the eccentric sleeve against the rotation direction of the shaft
2. Loosen the bolts that fix the bearing seat. Remove the bearing together with the bearing seat from the shaft. Pay attention to loosen the bolts of the bearing seat at the other end of the shaft before removing the bearing seat at one end of the shaft, so as to avoid damage to the bearings at both ends
II. Installation of imported bearings
1 the deal is flat. Before installing the bearings on the shaft, you must first pull out the fixing pin of the bearing sleeve, polish the surface of the journal smooth and clean, and apply oil at the journal to prevent rust and lubricate (allowing the bearings to rotate slightly on the shaft)
2. Apply lubricating oil on the mating surface of the bearing seat and the bearing, and install the bearing into the bearing seat. Then put the assembled bearing and bearing seat on the shaft and push it to the required position for installation
3. do not tighten the bolts that fix the bearing seat first, and make the bearing sleeve rotate in the bearing seat. Similarly, install the bearing and seat at the other end of the same shaft, and rotate the shaft for several rounds. Usually, they will be produced in a unique or small batch way, so that the bearing itself will automatically align. Then tighten the bolts of the bearing seat
4. Install eccentric sleeve. First, put the eccentric sleeve on the eccentric step of the fag bearing inner sleeve and tighten it by hand along the rotation direction of the shaft. Then insert or hold the small iron bar. In 1952, Liu Yi of the National Aeronautics Administration of the United States led the upsurge of NCA production around the world. Mansons of the Institute of Aeronautics S. (Manson) and offering F. (coffin), on the basis of a large number of experiments, put forward the Anson coffin equation expressing the relationship between plastic strain and fatigue life, which determines the counterbore on the base bushing of low cycle fatigue. Knock the small iron rod with a hammer along the rotation direction of the axis to make the eccentric bushing firmly installed, and finally lock the hexagon socket screw on the eccentric bushing
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