Under normal circumstances, the bearings must be installed tight fit interference by tight shoulder. Test method: (1) lighting method. Light FAG bearings and shaft alignment, leakage of light circumstances. If the light tight, instructions to install correctly if uniform light leakage around along the shoulder, notes bearing no shoulder tight bearing pressure making it close; if there is some leakage of light, shows bearing installation tilt, Bishop, copper rod or sleeve available tap the bearing inner ring, Yasumasa slowly. (2) the gauge test. Gauge thickness from 0. 03mm start. Test Shi, in bearing within ring end surface and axis shoulder of whole circle Shang try plug several Department, as found has clearance and is uniform, description bearing not mounted in place, should bearing within ring pressurized makes its by tight axis shoulder; if increased pressure also by not tight, description axis neck round corner parts of round corner too big, to bearing card live has, should trimming axis neck round corner, makes its variable small; if found bearing within ring end surface and bearing shoulder individual parts gauge can through, description not at this time must demolition down, be trimming, again installed.
If the FAG bearings with an interference fit in the housing bore, when bearing abutment fixation by shell holes in the outer ring, ring-side surface and hole abutment surface of the shell is close, are properly installed, can also gauge test.
Testing of bearings after installation
When installing the FAG bearings, you should verify the shaft and axle center line vertical. By moving the dial fixed on the tank shell surface, touch the top of the table in the bearing ring raceway top rotating bearings, boundary observation indicator pointer, pointer to swing, note the shaft and axle centre line is not vertical. When the tank shell holes deep, thousand tables can also be used to lengthen the first test.
When the bearings are installed correctly, the seat can automatically adapt to the rolling of the scroll bar, ensure the rolling body Raceway is located in the upper and lower circle. If installed backwards, FAG bearings not only is not working properly, and the mating surfaces were badly worn. Due to the shaft and housing washers and the difference is not very apparent, Assembly should be careful not to make a mistake. In addition, the bearing washers between the bore and it should remain 0. 2-0. 5mm gap to compensate parts, installation errors caused by inaccurate when when operation Center deviation of bearing rings, this gap ensures that automatically adjust, avoid touching the friction so that its normal functioning. Otherwise, the bearing caused by severe injuries.

 


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