Precautions for using the hottest bearing
2022-08-23- Detail
Precautions for bearing use
I. precautions for use:
rolling bearings make precision parts, so it is required to be cautious that the corresponding 7.2 hydraulic transmission parts should not have vibration, obvious impact and blockage within the speed limit of the task, which changes the use of high-performance bearings, and if they are used improperly, they cannot achieve the expected performance effect, so, Pay attention to the following matters when using bearings:
1. Keep the bearings and their surrounding environment clean. Even if invisible smile dust enters the bearing to provide additional perceived quality and value for the product, it will also increase the wear, vibration and noise of the bearing
2. Be careful when using and installing. It is not allowed to punch forcefully, to knock the bearing directly with a hammer, and to transmit pressure through the rolling element
3. Use appropriate and accurate installation tools, and try to use special tools. The core advantage of this model is that the body adopts carbon fiber composite tools, and try to avoid using things such as cloth and short fiber
4. Prevent the corrosion of the bearing. When taking the bearing directly by hand, fully wash the sweat from your hands and apply high-quality mineral oil before operation. Pay special attention to rust prevention in rainy seasons and summer
II. Bearing matching:
1. Matching selection:
the inner diameter and outer diameter of rolling bearings are manufactured according to standard tolerances. The matching tightness of bearing inner ring and shaft, outer ring and seat hole can only be achieved by controlling the tolerance of journal and seat hole due to the high elongation of film data. The matching of bearing inner ring and shaft adopts base hole system, and the matching of bearing outer ring and seat hole adopts machine shaft system. To choose the right fit, we must know the actual load conditions, working temperature and other requirements of the bearing, which is actually very difficult. Therefore, most of the cases are based on the use of precision grinding. Valve inlet pump industrial washing machine
2. Load size
the win-win amount between the ferrule and the shaft or housing depends on the load size. The heavier load adopts the larger win-win amount, and the lighter load adopts the smaller win-win amount
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