2012年11月15日星期四

SKF bearing mounting and dismounting preparatory work before


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Before installation, should be ready all the necessary parts, tools, equipment, and related data. Also carefully study the drawings or instructions, to determine the correct installation sequence for different parts.ball bearing screw
Carefully check parts of the SKF bearing, shaft seals and other SKF bearing configuration to ensure that the mating surfaces clean and good, and should be specifically check screw holes, conduit or trench to prevent has some processing residues. Should ensure that no core sand casting SKF bearing, to stay on the surface without machining, and place all the glitches.
All parts dimensional tolerances and tolerances on shape, check SKF bearing configuration related components must achieve the required accuracy and compliance tolerance range, SKF Bearings can play its due performance. Cylindrical journal and housing bore diameter, generally with a micrometer or diameter micrometer in both cross-sectional and four different locations to measure. Journal taper ring gauge available, the special taper gauge or sine measured.double row bearing
I nspection and measurement results, it is recommended to be retained as records for reference when needed. Conducting the tests, components and measuring instruments should be maintained at approximately the same temperature, to ensure the accuracy of the measurement. This indicates a potential components and measuring devices need to be placed in the same place a considerable time to reach the same temperature. This approach is particularly important for large SKF bearings and related components.
SKF bearings should be retained in their original packaging until the moment before installation to prevent the entry of dust and other pollutants. In the general case, there is no need to remove the factory coated rust inhibitor SKF bearings, just wipe the outer and inner hole can SKF bearings. SKF bearing is greased and applications in very high or low temperatures, or all the grease and rust inhibitors are not compatible, before installing the SKF bearing cleaning and carefu l drying to avoid the destruction of the role of the grease.
SKF bearings due to improper handling may be contaminants from entering necessary before installing the SKF bearings cleaned and dried.thin section ball bearing
SKF bearings removed from the original packaging, the rust inhibitor on the surface is relatively thick or high viscosity, the same need to SKF Bearing cleaning and drying. Some outside diameter greater than 420mm oversize SKF bearings may be the case, this situation can use petroleum solvents or paraffin to clear SKF bearings preservatives.
If you are using SKF bearings with seals or dust cover are lubricated at the factory and can not be cleaned before installation.miniature bearing

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