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Adjustment of bearing axial clearance
Source: China Bearing Network Time: 2014-08-10
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The axial clearance inside the bearing can be achieved by the axial orientation of the moving outer ring.
1 Adjust the gasket method:
A set of soft material (soft steel sheet or elastic paper) gasket is placed between the bearing end cover and the end surface of the bearing housing. When adjusting, do not put the gasket on the bearing end cover; and evenly tighten the bearing end cover on one side. Screw; rotate the shaft by hand; until the bearing tumbler and the outer ring touch and there is no gap in the shaft to stop, then measure the gap between the bearing end cap and the end face of the bearing; plus the shaft required for the bearing in normal operation To the gap, this is the total thickness of the required gasket; then fill the prepared gasket between the bearing end cap and the end of the housing; finally tighten the screw.
2 Adjust the bolt method:
Press the pressure ring on the outer ring of the bearing; pressurize with the adjusting bolt before the pressure adjustment; first measure the pitch of the adjusting bolt; then gradually tighten the adjusting bolt; until there is no gap inside the bearing to stop; then calculate the adjusting bolt Corresponding rotation angle. For example, the pitch is 1.5 mm; the clearance required for the normal operation of the bearing; then the required rotation angle of the adjustment bolt is 3600×0. 15/l. 5=360, then turn the adjustment bolt 360; the bearing will get 0. 5mm axial clearance; then use the stop washer to fix it.
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