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How To Repair The Lubricated Fag Bearing

How To Repair

The smoothing agent for lubricating the interior of fag bearing can be divided into oil and grease.

Repair method: preparation: dry towel, pointed pliers, FAG bearing cleaning night, FAG bearing smooth oil or smooth grease.

1. Boring: take the fag bearing from the cleaning solution, wipe How To Repair the cleaning solution with a dry towel, and then dry it in the shade.

2. Fag bearing cleaning fluid: soak the fag bearing in the fag bearing cleaning fluid bought in the market and swing it. 現時点では, the How To Repair foreign matter inside the fag bearing will be swayed in. The ultrasonic cleaning machine bought in some stores is also very helpful to eliminate the foreign matter.

How To Repair The Lubricated Fag Bearing

3. Inject lubricating agent, inject grease or oil into fag bearing How To Repair according to the trend, cover the shield and install C-ring again.

4. Remove the C-ring and shield: wipe the dirt inside the fag bearing with a dry towel, then lift one side How To Repair of the C-ring with pointed pliers and remove the C-ring and shield.

5. Detection: for fag bearings that have been assembled into the How To Repair original condition, grasp the inner ring with your fingers and rotate it several times after falling.

Comparison Of Grease Lubrication And Oil Lubrication In Rolling Fag Bearing

Type And Lubrication Function Of Anti Friction Skf Bearing

The advantages of using lubricating oil for rolling fag bearings are:

1) Under certain operating specifications, the starting torque and friction loss of lubricating oil are significantly smaller than that of grease lubrication.

2) As the lubricating oil takes away heat in the circulation and plays a cooling role, it can make the fag bearing reach a relatively high rotation speed.

3) It can ensure relatively high service temperature.

4) When changing grease, relevant connecting parts must be How To Repair disassembled. When lubricating with oil, there is no such trouble.

5) When the fag bearing in the reduction gearbox is lubricated with lubricating oil, it is very suitable, because the oil can How To Repair simultaneously lubricate the gear and fag bearing in a splash way.

6) In fag bearings, the lubricating grease is gradually contaminated by the products of product wear, abrasives, products penetrating through the sealing device from the outside and aging itself.

If it is not replaced in time, it will cause accelerated wear of fag How To Repair bearings. When liquid lubricant is applied, it can be filtered to ensure its normal operation.

Advantages of grease lubrication for rolling fag bearings:

1) Individual fag bearing points must be refueled frequently by hand. If the grease is changed, it How To Repair will not only save trouble, but also avoid accidents caused by lack of oil.

2) The grease itself has a sealing effect, which allows the mechanism with low sealing degree to be used to simplify the design.

3) Experience has proved that in a certain speed range (n < 20000 R / min or DN < 20000 んん. R / 分), lubrication with lithium grease has lower temperature rise and longer service life of fag bearing than oil dropping method.

2. Theoretical basis of rolling fag bearing lubrication: the lubrication mechanism of rolling fag bearing belongs to the theory of elastic fluid hydrodynamic lubrication.

3. Relationship between failure types and lubrication of rolling fag bearings: most failure causes are damage caused by faulty assembly and poor sealing. A few failures are caused by wear, gluing, corrosion and overheating caused by lack or excess of lubricant or unqualified quality.

4. Basic characteristics of lubricating grease and general criteria for selecting lubricating grease:

When selecting lubricating grease, it is necessary to select the lubricating grease suitable for the service conditions (温度, speed, load and environment, 等), which are related to the basic characteristics of lubricating grease, and the basic characteristics of lubricating grease depend on the type of thickener and base oil.

Rolling fag bearings have both rolling friction and sliding friction.

Sliding friction is caused by the deviation of rolling fag bearing on the surface curve and the deformation of fag bearing under load. 例えば, between the rolling element and the ring, because the ball and the ring are not absolute rigid bodies, their contact area will always produce elastic deformation.

In theory, it is point contact or line contact, but in fact, it will always become surface contact under load working conditions. したがって, the contact points with different diameters have different linear velocities, resulting in sliding friction.

Similarly, due to various reasons, sliding friction will also occur between the rolling element and the retainer, as well as between the retainer and the inner and outer rings. The sliding friction increases with the increase of speed and load.

In order to reduce friction, 切る, reduce temperature and noise, prevent the parts of fag bearing from rusting, correctly select lubricants and adopt reasonable lubrication methods, and appropriately control the amount of lubricants are important topics to improve the service life of fag bearing.

The above is the comparison of the effect of grease lubrication and oil lubrication in rolling fag bearings. I hope you can have some experience after it appears.

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