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FAG thrust ball bearing installation

date:2013-04-01

  Pre-installation considerations
  1) bearing preparation
  Due to the thrust ball bearings are processed by the antirust and packaging, not to do not open the packaging before installation.
  In addition, the coating rust preventive oil on the bearings with excellent lubricating properties, for general purpose or filling of lubricating grease of bearings, can be directly used without cleaning. But for instrument bearing or bearings for high speed rotation, clean cleaning wash away oil antirust oil, FAG bearings easily rust and is not available for many hours.
  2) test of shaft and housing
  Cleaning thrust ball bearings with housings, confirming the Burr left no scars or mechanical processing. Shell must not be abrasive (such as SiC, Al2O3), sand, chips, etc.
  Second test axis with the shell size, shape and quality are in accordance with drawings.
  Before installing the FAG bearing, in the inspection of the mating surfaces of the shaft and housing coating machine oil.
  Bearing installation methods
  Thrust ball bearing bearing installation methods vary depending on the type and conditions of cooperation.
  As generally rotate, inner and outer rings can be combined using interference fit and clearance, while ring rotates, outer ring with interference fit.
  (1) press in the installation
  Push install uses presses, bolts and nuts can also be used, last resort available Bishop into a.
  (2) thermal cover installation
  Thrust ball bearing after heating its expansion in oil and then installed in the hot way to make FAG bearings on the shaft to avoid unnecessary force, complete the installation job in a short time.
  Heating considerations:
  1) General heating should not exceed 100 ° c.
  2) bearings are not allowed contact with bottom of the oil tank.
  Thermal cover installation can also take advantage of induction heating device for FAG heating makes it swell, and then install the bearing on the shaft.
  Disassembly of the thrust ball bearing
  When checking or replacing parts on a regular basis, requires removal of the bearings. Shaft and housing are almost always want to continue normally, FAG bearings tend to continue using. Therefore, when taking into account the disassembling bearing structure design, not to damage bearing box of bearings, shafts, and other parts, as well as preparing appropriate removal tool. Remove quiet when tie rings, tension can only be added on in the ring, not drawing by rolling rings.