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Cylindrical roller bearings installed
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| Time：2016.09.08 News Sources：Shandong Xinkaite bearing Co.,Ltd. Views：
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(1) cylindrical roller bearings before installation, should be based on technical design drawings on the requirements set by the appropriate measurement tools to check the shaft and housing bore machining and quality-related parts (such as dimensional accuracy, shape accuracy and surface roughness, etc.) .
(2) on the mounting surface of the shaft and the bearing hole if bumps, burrs, rust or solid particles (such as grinding dust, sand, clay), etc. exist, not only will the cylindrical roller bearing is difficult to install and the installation location is incorrect and solid particles as an abrasive action will fall within the cylindrical roller bearings, cylindrical roller bearings when the rotation will rubs or scratches the surface of cylindrical roller bearings work, it must be checked carefully before installation, such as found to have the defect, it should be amended. For example, by removing the oil filing burrs, projections touch marks, rust, and polish with fine emery cloth, and if the cleaning of solid particles, dirt and so on.
(3) mounting surface should be cleaned with a clean gasoline, kerosene, toluene or xylene solution, such as clean and dry with a clean cloth, and then coated with a thin layer of oil, so make the installation more convenient.
(4) temporary installation of open cylindrical roller bearings package, immerse it in a liquid to said gasoline hand gently rotated to ensure that cage, rolling elements and raceway surface of the package to be cleaned thoroughly clean oil and the like.
(5) cleaning a lot of cylindrical roller bearings, first with hot oil temperature is 90 ~ 100 ℃ leaching hot oil so that the package melts, while the mouth and not drop crumbs seamless tool to dig the net all the used oil, then pour some hot minutes, then rinse with kerosene to oil, gasoline and then finally clean again. After washing clean, you should wear gloves film cylindrical roller bearings on a clean cloth or paper to dry bench.
(6) Note that with sealed cylindrical roller bearings unavailable Law cleaned inner seal should not be kept as clean.
Bearings are precision components, be careful when you need to use. Regardless of how high-performance cylindrical roller bearings, if used improperly, it will not get the expected performance. Here are some Caution bearing.
First, to keep their environment clean bearings
Even subtle invisible dust into the bearings, will increase wear, vibration and noise of the bearing. Cylindrical roller bearings and their peripheral accessories should be kept clean, especially the dust and dirt, tools and working environment must be kept clean.
Second, when using the installation to be carefully
Allowed strong punching, allowed a direct hit with a hammer bearing, are not allowed to pass through the rolling pressure.
Third, using the appropriate and correct installation tool
Whenever possible, use special tools, such as heaters and special drawing tools, etc., try to avoid using fabric and staple fiber stuff like that.
Fourth, to prevent corrosion of bearings
Direct hand pick bearing, be sure to wash hands sweat, and then coated with high-quality mineral oil to operate, during the rainy season and summer with particular attention to rust. However, in some special operating conditions, cylindrical roller bearings can get a longer life in traditional computing, especially in the light load conditions. These special operating premise is that when the rolling surface (track and rolling element) are effectively separated and limit pollutants may cause damage to the surface of a lubricant film. In fact, in an ideal premise of the so-called permanent bearing life it is possible.
Factors affecting bearing life there are many, can be divided into use factors and internal factors.
Use the adjustment factor mainly refers to the installation, use and maintenance, repair and other maintenance meets the technical requirements. Installation conditions are the primary factor in the use of one of the factors, caused by improper installation of the entire cylindrical roller bearing force status changes between the various parts, bearing in abnormal state operation and early termination of life. Internal factors mainly refers to the design, manufacturing processes and materials quality decisions bearing quality three factors.
Bearing manufacturing generally through multi-channel processing operations. The reasonableness of the processing technology, advanced, stability will also affect the bearing life. Which affect the quality of the finished cylindrical roller bearings heat treatment and grinding processes, and bearing failure have a more direct relationship.a
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