First, help you buy grease?

The self-aligning bearing has extremely important prevention for the movement and age of the high-speed bearing. Here, it is almost recommended that you choose the anti-rust oil. The anti-rust oil is caused by the usual oil, thickener and additives. The performance of the dissimilar type and the same type of lubricating oil are very different. The obvious adjustment is not the same. It is easy to buy anyway. . The performance of the lubricating oil depends on the base oil. In general, the low-viscosity base oil is suitable for low temperature, belief, and high viscosity for high temperature and high load. The thickener is also related to the operation of the deep groove ball bearing, and the water resistance of the thickener is planned to resist the water resistance of the rust oil. In general, the lubricating oil that has a gap in the brand cannot be integrated. Moreover, although it is the lubricating oil of the same thickener, it will also be avoided by the same two additives.

Second, deep groove ball bearings need to be cleaned before selection?

The surface of the imported bearing is coated with anti-rust oil. You must use clean gasoline or kerosene to finish it. Then gently apply the deep groove ball bearing grease that is clean or high-speed and high temperature to install. The degree of whiteness is very large for the reduction of the life of the high temperature bearing and the constant swing noise. But it is especially important for the sisters: the full-blocking high-speed bearings do not need to be white.

Third, how to resettle and dismantle?

Do not hammer the plane and non-stressed surface of the deep groove ball bearing immediately. Do not use the clamp, sleeve or other operating equipment (software) to force the bearing without force. Do not use the rolling element for transmission. If you choose to evenly apply oil to the surface, it will make the assembly smoother. If there is more interference, add the imported bearings to the mineral oil and heat them to 80~90 °C and use them as soon as possible. The oil temperature will not exceed 100 °C to avoid the tempering effect and reduce the hardness. In the case of disassembly and assembly, you can disassemble the appliance and pull the hot oil into the inner ring. The nutrients will expand the inner ring of the high-speed bearing, which is suitable for your own frequent falling off.

4. Is there a comment on the placement surface and placement?

Ok. If the imported bearing has iron particles, spikes, fine dust and dust, etc., the noise and movement of the bearing will occur when rolling, so that the raceway and the body will be wronged. The reason for this is that before installing the thrust bearing, you need to ensure that the selected place and the device are clean.

5. In high-speed bearing bearings, is the better the appearance of excess grease coating?

When the high-temperature bearing deep groove ball bearing is used, the secretion is very good, and sometimes it is a common negligence concept. Thrust bearings and thrust bearings indoors of uncontrolled excess grease will contribute to excess oil excess as I have encountered one last time, promoting a very high body temperature. The number of high-temperature bearing filling lubricants contains 1/2 to 1/3 of the space of the thrust bearing supporting facilities, and should be spared to 1/3 when it is efficient.

6. The smaller the radial clearance of the high temperature resistant bearing, the better?

Not all deep groove ball bearings are picky about the smallest in-service play, you need to fit the fit according to the weather. In the national standard 4604-93, the radial clearance of the self-aligning bearing is divided into five groups - 2 groups, 0 groups, 3 groups, 4 groups, 5 groups, and the clearance values are sequentially reduced from small to large, and the middle group is the standard clearance. Probably the radial clearance group adapts to the general operating conditions, the regular vicinity and the often adopted interference fashion collocation; in the perfect, fashionable, low noise, low friction and other special circumstances, the high-speed bearing of the transaction should use a large radial Clearance; for small precision bearings, precision bearing spindles, deep groove ball bearings should be placed in a small radial clearance; compared to the ball bearings imported bearings can maintain a small amount of employment clearance. In addition, there is no play for the precision bearings of the dislocated type; finally, the job clearance after the installation of the high-speed bearing is smaller than the newly created clearance before the placement, because the precision bearing must agree to the inevitable pressure rotation, it is obvious that the high-speed bearing The amount of elastic deformation caused by fit and pressure.

After the successful selection of the self-aligning bearing, it is necessary to implement the operation in order to check whether the installation is suitable. Large components can be produced to verify that production is smooth. I like the project because of the unsmooth operation caused by foreign objects, scratches and indentations. Due to poor operation, the torque caused by poor processing of the mount is incorrect, so the clearance is small, the selection error, the torque level caused by the closed friction, etc. Wait. If there is no very different, you can start driving the movement.