Date: 2013-08-20

Bearing Axial clearance adjustment should be aware of the points

Bearing life is the relationship with maintenance and repair work are very important, as it pertains to the service life of the bearing length of the high and low productivity. Maintenance of good used bearing, will bring a lot of benefits, for example, can lead to higher productivity, produce higher quality precision products, several maintenance can extend the life time purchase cost savings for you.
1 adjust the shim method:
In bearing end cover and bearing block end surface Zhijian filled placed a group soft material (soft steel tablets or elastic paper) gasket; adjustment Shi, first does not placed gasket loaded Shang bearing end cover, side uniform to screwed tight bearing end cover Shang of screws, side with hand turn axis, until bearing scroll body and outer ring contact and axis internal no gap weizhi; then measurement bearing end cover and bearing block end surface Zhijian of gap, again plus bearing in normal work Shi by needs of axis to gap; this is by needed filled placed gasket of total thickness, Then insert the prepared gasket placed on the bearing end cover and housing between the end and finally tighten the screws.
2 adjust the bolt method:
Pressure in the pressure ring on the outer ring of the bearing, by adjusting bolt compression; before the compression adjustment, first measure the pitch adjustment bolt, then tighten adjusting bolt slowly until the bearing until there was no gap, and then figure out the rotation angle adjustment bolt. For example pitch of 1.5mm, bearing the clearance needed for the proper functioning, then the required rotation angle adjustment bolt to 3600x0.15/l.5=360; flip 360 adjustment bolts, bearings, axial clearance access to 0.5mm, and then use the gaskets fixed to stop.
Flow of grease-lubricated bearings running 1500 hours after replacing the grease, oil has to be the right amount of filling, because grease is too much or too little will cause heating in the bearings, refueling typically lies in the 1/2~2/3 of bearing Chamber volume is appropriate.
However, for bearing with lubricating oil, oil should be added to the location of the corresponding provision;

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