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Bearing installation should pay attention to several issues
    点击数:6945         日期:2014/4/4
A. must be good with inner and outer ring spacer thickness, spacer two Miao parallelism should not exceed 0.002mm.
B. bearings must be selected. Each of the inner diameter of the bearing outer diameter difference, difference should be between 0.002 - 0.003mm, and should maintain a gap of 0.004 - 0.008mm, and the shaft neck to keep 0.0025 - 0.005mm and shell hole. In the actual installation, should with both hands thumb will fit bearing can just push the best.
Roundness, shell holes at the two ends of C. bearing seat hole and the shaft neck of coaxiality, and radial shaft runout should not exceed 0.003mm.
Parts in contact with the end D. bearing ring face should smear test, contact area shall not be less than 80%.
E. must be directed to install. The highest point is about all the bearing inner ring radial runout at the nadir axis neck radial runout, the highest point of the outer ring of the bearing radial runout is arranged in the housing hole to form a straight line.
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