Date: 2013-08-20

FAG bearing Assembly noise analysis of causes and solving measures

Loading FAG bearings, using non-impact manner possible. For example, using pressure machine. Hammer percussion, to the detriment of parts and bearings are protected. Small size, small bearings interference, with manual pressure machine, such as screw-type, you can, even the vise. Large-size bearings, generally using hydraulic pressure can. FAG bearings installed, start time, to keep bearing is tilted, the need for timely adjust the bearing position, preventing damage to the mounting holes or shafts.
1, rolling bearing, the normal Assembly, whether the shaft is holes, is generally an interference fit. Interference fit Assembly method, commonly used are: difference in law, press law. In fact, the scene of the mechanical Assembly, the difference in laws be less, mainly operations are more complex.
A: temperature difference method for Assembly, cooling rather than heating simple, generally with liquid nitrogen, the advantages are big temperature difference between, linear expansion, clean.
Temperature difference method is the biggest disadvantage, the restricted size of the part. Such as the lathe spindle Assembly, you need to install both parts such as spindle and gears on the shaft, the difference in laws simply cannot achieve.
B press law the most widely used. A hammer, a copper rod can fix. Here, the operation also had a lot of differences and considerations on.
Very often used only percussion Pack, remove FAG bearing, the impact is inevitable. Thus Hammer's Kung Fu, and now is an important basic training fitter. Different ways of loading and unloading, and rap are not the same. If you use copper rods, only left and right symmetrical hammering every effort should not be too big, FAG bearings gradually percussion. In General, the percussion symmetric on both sides would be nice, no three-point thumping.
Also a comparison good of method is, with a and FAG bearing outside ring or within ring size similar of cylinder pad in bearing Shang, hammer percussion cylinder of this end (we own do of dedicated tools, percussion of this a is died of) in bearing has into bit of situation Xia (all entered hole within or axis Shang), percussion of forces can large some, actually this situation Xia, in principle should is with as far as possible less of percussion number will FAG bearing combat in place. Because the rhythm is characterized by frequent tapping, riveting effect, is easy to hurt shaft or hole in the surface.

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