First, the preparation work before installing SKF bearings
1) Bearing preparation
Since the bearings are rust-proofed and packaged, do not open the package until the device is installed.
Secondly, it can be checked whether the size, shape and processing quality of the shaft and the casing can match the drawing.
2) Inspection of the shaft and the casing
Before the bearing of the device, the mechanical oil is applied to the mating surfaces of the shaft and the casing that have passed the inspection.
In addition, the anti-rust oil coated on the bearing has good smooth performance, and the bearing for ordinary use or the bearing filled with smooth grease can be directly used without cleaning. However, with regard to the bearing for the instrument or the bearing for high-speed rotation, the cleaning oil is washed with the cleaning oil, and the bearing is easily rusted and cannot be placed for a long time.
Clean the bearing and the casing to confirm the burrs left by scratches or machining. There must be no abrasive (SiC, Al2O3, etc.) sand or chips in the outer casing.
Second, how to install SKF bearings
In most cases we found its possible cause. In general, one-third of the bearing damage is caused by fatigue damage, and the other third is due to poor smoothness, and the other one-third cause Improper disposal of contaminants into SKF bearings or devices. In order to reduce the bearing damage, the SKF bearing must pay attention to the following points:
1. When using the device, it must be carefully and accurately installed. As with the requirements of the bearings of other devices, it is not allowed to punch strongly. It is not allowed to directly hit the bearing with a hammer, and it is not allowed to transmit pressure through the rolling element.
2, as the saying goes, the eyes can not be a little bit of sand, the same bearing and its surrounding environment must also be clean. I don't need to say it, I know what is going on, even if the dust that is invisible to the naked eye enters the bearing, it will cause the bearing to wear out.
3, the use of appropriate, accurate device tools
Try to use special tools to prevent the use of cloth and short fibers.
4. When taking the bearing by hand, wash the sweat on your hands and apply high-quality mineral oil before stopping the operation. Pay special attention to rust prevention during the rainy season and summer.
We all know that SKF bearings are fine parts. When applied, they are required to be very cautious. That is to say, they use high-performance bearings. If they are used improperly, they can not reach the expected performance and easily damage the bearings. Most of the SKF bearings are damaged by a lot of reasons - beyond the original estimated load, non-effective sealing, too tight bearing clearance caused by too small bearing clearance. Any of these elements have their own special damage pattern and leave a special mark of damage.
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