Date: 2013-08-20

Forces on its influence when handling bearings

When the bearing for a period of time for which you want to carry out cleaning and maintenance, this is going to be unloaded. Well-known bearing unload have a great impact on their life, unloaded bearings in general there are four methods: push method, press focus should be on a central axis, no pressure;
Tapping method, using this method should note pads on hold status to properly focus should be accurate;
Pull method should be pulling the hook hook the inner ring of the bearing, and should not be hooked on the outer ring, so loose bearing moderate damage;
Hot-split method, before heating, with asbestos rope or sheet iron shaft wrapped to avoid axial heat swell, otherwise it will be difficult to assemble, from bearing when assembling bearings in the tank shell holes, only heating the bearing box shell holes, not heating the bearing.
Most of these methods require manpower, on issues concerning bearing unloaded's forces, there are four areas require attention:
1) as possible to force through the axis of the bearing, this requires that the point of force application symmetrically and evenly smooth through the sphere, or parallel to the axis force.
(2) the size of the force should be smooth and uniform, not shocks, this requires the use of oil or energy tool for smooth tension or pressure, would certainly have when the hammer is used, also do not fall through the copper sleeve soft scrap metal to be buffered, strike force as gentle as possible. It is best to use copper or copper hammer blow.
(3) drag force to be continued to the extent, for example in the housings to just stop when filled to the correct location of the bearing force to ensure ring (washer) faces arriving by the bore or axial abutment face, cannot be squeezed too tightly and if it is not put in place.
(4) avoid the rolling force, this calls for Assembly, disassembly and inner ring (shaft), through the inner force, when assembling and dismantling the outer ring) by applying pressure on the outer ring.

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