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The Matching Function Of Nsk Bearing And Lubricating Oil
The Matching Function Of Nsk Bearing And Lubricating Oil
What Precautions Should Be Taken When Using Schaeffler Bearing
What Precautions Should Be Taken When Using Schaeffler Bearing

Basic Conditions For Maintenance And Use Of Timken Bearing Grease

Timken Bearing Grease

In the initial stage of Timken bearing operation, most of the grease is quickly squeezed out of the raceway (less than one minute), and the accumulated grease is discharged in small quantities as the bearing moves and changes.

At this time, the bearing Wendu continues to rise until all the excess bearing grease is discharged, which can be called the running in stage of grease. According to the quality and filling amount of grease in the bearing structure, this period may last for more than ten minutes or even several hours.

In the process of using Timken Timken Bearing Grease bearing, especially when lubricating the bearing, pay attention to the amount of grease. How to use grease accurately, we must understand the movement of grease in bearing 6316-2rs to ensure the stability of grease.

The movement of the grease filled in the rolling bearing can be roughly divided into two stages with the change of the bearing. Different Timken Bearing Grease bearing greases form different profiles in the bearing. The profile must be quite drafted and the walking time is short. In the long-term operation,

Timken bearing temperature is low and stable. This is a kind of fantasy grease. Therefore, the channelization of bearing grease is particularly important.

Under special working conditions, the following special requirements must be put forward for lubricants:

1. The requirement of long service life requires that the service life of Timken Bearing Grease lubricant is particularly long.

2. Requirements for harmlessness

3. The requirement of low temperature resistance is to be able to withstand low temperature below – 63 ℃.

4. The requirement of low friction torque requires that the friction resistance of lubricant is very low.

Basic Conditions For Maintenance And Use Of Timken Bearing Grease

5. Requirements for good boundary lubrication characteristics

6. The requirement of high temperature resistance is to be able to withstand high temperature Timken Bearing Grease above 250 ℃.

7. High vacuum resistance requires no volatilization, loss and Timken Bearing Grease deterioration under high vacuum conditions, especially under high vacuum conditions in weightless state.

What precautions should be taken when using Schaeffler bearing

Relationship Between Lubrication Purpose Of Imported Bearings And Bearing Life

Rolling bearings make precision parts, so it is required to be cautious when using them. Since high-performance bearings are used, if they are not used properly, they can not achieve the expected performance effect. Therefore, the following matters should be paid attention to when using Schaeffler bearings:

Keep the bearings and their surroundings clean. Even if the Timken Bearing Grease invisible smile dust enters the bearing, it will increase the wear, vibration and noise of the bearing.

When using and installing, it shall be careful. It is not allowed to punch with force, directly knock the bearing with a hammer, and transfer pressure through the rolling body.

Use proper and accurate installation tools, try to use special tools, and Timken Bearing Grease try to avoid using cloth and short fiber.

Prevent the bearing from rusting. 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 season and summer.

Selection and control of shaft and bearing housing tolerance: the Timken Bearing Grease bearing shall rotate flexibly without blocking feeling after being pressed into Schaeffler bearing. If there is obvious inflexible rotation,

it indicates that the size of the shaft is too large and the tolerance should be reduced. If there is an obvious “rusty” feeling when the bearing is rotated by hand after being put into the bearing, it may be that the tolerance of the bearing is too large or the roundness of the bearing is not good.

Therefore, when controlling the tolerance of shaft and bearing chamber, it is also necessary to Timken Bearing Grease control the roundness. At present, many domestic manufacturers only control the tolerance, not the roundness.

Bearing assembly method: because the bearing is a high-precision product, if it is not assembled properly, it is easy to damage the bearing channel and lead to bearing damage. The bearing shall be equipped with a special mold during assembly, which cannot be knocked at will.

When pressing the shaft, only the small ring can be stressed, and when pressing the large ring, only the large ring can be stressed. Pneumatic or hydraulic pressure is required during assembly.

During press assembly, the upper and lower molds shall be outside the horizontal state. If there is inclination, the Schaeffler bearing channel will be damaged due to stress and the bearing will make a guide sound.

Prevention of assembly foreign matters: when the bearing is installed on the rotor for dynamic balance, it is easy to enter the iron filings generated during dynamic balance into the bearing, so it is necessary to perform dynamic balance before installing the bearing.

In order to facilitate assembly, some manufacturers apply some oil or grease in the bearing chamber for lubrication effect during assembly, but it is often difficult for operators to control the amount. If more oil or grease is accumulated in the bearing chamber,

it is easy to enter the bearing along the shaft when the bearing rotates. The bearing chamber shall not be coated with oil or grease. If it must be coated, it shall be controlled and there shall be no accumulation in the bearing chamber.

Prevention of paint rust: paint rust is often found in sealed motors. The sound of the motor is very good during assembly, but after being placed in the warehouse for some time, the abnormal noise of the motor becomes very large,

and there is serious rust when removing the bearing. In the past, many manufacturers thought it was the bearing problem. After our continuous publicity, now the motor factory has realized that the main problem is the insulating paint.

This problem is mainly because the acidic substances volatilized from the insulating paint form corrosive substances at a certain temperature and humidity, which corrodes the bearing channel and leads to bearing damage.

At present, the problem can only be to select good insulating paint and assemble after drying and ventilation for a period of time.

The service life of the bearing is closely related to manufacturing, assembly and use. It must be done well in each link in order to make the Schaeffler bearing in a good running state and prolong the service life of the bearing.

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