Understand the thin-wall bearing maintenance procedures
Release time:
2023/01/14
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The lubrication purpose of thin wall bearings is to reduce the internal friction and wear of bearings and prevent burning and sticking. The lubrication effect is as follows. Reduce friction and wear. The metal contact is prevented and the friction and wear are reduced in the contacting part of the ring, rolling element and retainer of the bearing. Rolling fatigue life that extends the fatigue life. When the rolling contact surface is well lubricated during rotation, the rolling fatigue life will be extended. On the contrary, if the oil viscosity is low and the lubricating oil film thickness is not good, it will be shortened.
Release friction heat and cooling. The oil circulation method can use oil to discharge the heat generated by friction or external heat for cooling. Prevent bearing overheating and lubricating oil aging. It also has the function of preventing foreign matters from entering the bearing, or preventing rust and corrosion.
Thin wall bearing lubrication method, the lubrication method of bearing is divided into grease lubrication and oil lubrication. In order to make the bearing play a good role, it is necessary to select the lubrication method suitable for the use conditions and purposes. If only lubrication is considered, the lubricity of oil lubrication is dominant. However, grease lubrication has the advantage of simplifying the structure around the bearing. The advantages and disadvantages of grease lubrication and oil lubrication are compared.
For the maintenance procedure of thin-walled bearing, first remove the wheel and remember to put the screws away. If you drop them, you will be in trouble. Remove the bearing. The core of some wheels is very tight, so it is difficult to remove the bearings. Just dig down hard with the hexagon wrench (the one who removes the screw). Rest assured that the bearing is not easy to break. First brush off the dirt on the surface of pelin with a toothbrush. It can be done without this step. Not bad! Some side covers of bearings are removable, while others are not. First of all, judge whether you can dismantle Peilin. How to judge? Don't worry! If there is a C-ring at the edge of the bearing side cover, it can be removed; If not, it is not removable, but there are exceptions. If it is removable, it is very simple. Use a precision screwdriver to pry up the C ring at the notch of the C ring, and then remove the side cover, only one side. C The ring and side cover should be placed properly. You may want to put them back after washing. If it is not removable, it will be more troublesome. Use destructive methods. Use a precision screwdriver to reach into the seam of the side cover and pry up the side cover. Don't doubt it. That's it, but this side cover can't be put back. OK, throw it away. Remember, only remove one side and destroy both sides. Remove one side cover of all bearings and start cleaning. Pour the oil into the bowl, put down the bearing and mix.
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