Date: 2013-08-20

Commonly used for INA bearings cleaning method and installation removal tips

INA bearings factory, in order to protect the raceways and rolling surface is corroded, between the raceways and rolling into the anti-rust oil or rust-inhibiting lipid peroxidation. Is a combination of support shaft rotation of the bearing, its rings and rolling elements are precision machined. So bearing before the installation, select the appropriate methods to clean. Clean install process, should prevent foreign bodies from falling into the bearings, because tiny wear particles are between rolling elements and raceways caused by wear and tear, increasing noise and vibration.
1. INA bearings with rust preventive oil storage, gasoline or kerosene directly available cleaning;
2. oil or antirust oil antirust for INA bearings with thick, light mineral oil as required after heating the grease melted cooled, and then use gasoline or kerosene to clean.
3. bearings with shields or seals on both sides, in the factory had acceded to the grease, so installation will no longer wash.
4. painted with antirust dual-use oil for lubrication of bearings, installation does not require cleaning.
Assembly and disassembly of INA bearings mainly through two channels.
1. interference ring onto the shaft or pressed into the bearing bore;
Tip: when applying pressure, mechanical or hydraulic pressure via a dedicated appliance will force directly into the Assembly and disassembly of the housing washer, must not allow loading and unloading force passed through the rolling elements. Otherwise it will cause surface indentation, raceways and rolling elements increase the noise and vibration that caused the damage.
2. by heating the inner diameter of the bearings make it swollen, or cooling the bearing outside diameter reduced seat to push the bearing easily mounted on a shaft or hole.
Tips: Assembly and disassembly by heating or cooling should be strictly controlled temperature of heating or cooling temperature, also taking into account heat evenly. Temperature too high may cause tempering effect; embrittlement temperature will cause the end of metal surface. Usually temperature shall not exceed 100 ° c, cooling temperatures by the end of may not be the end of the freezing $literal. Because of the strength of the bearing surface under the influence of surface microstructure of metal structures.
When we in INA bearings are strict when used the right way, when design support, must take into account the problem of Assembly and disassembly and easy Assembly, disassembly and bearing. For heavy machinery for large bearings are often necessary to design special equipment Assembly and disassembly of bearings. Cleaning, installation and removal are incorrect, is one of the important causes of premature bearing damage.

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