Vibration motor imported bearing installation skills

When the imported bearing replaces the vibration motor, the effect is different, and the same bearing as the original model must be used, and the effect in this aspect has a better meaning, so that it can be used in this respect. Reflects better results. First introduce the installation of imported bearings from the following situations.
    When replacing a new bearing with a vibrating motor, the same bearing as the original model must be used.

    1) Wash the bearing with kerosene, press it into the bearing seat, fill the roller of the outer ring of the bearing with Shell No. 3 lithium base grease to two-thirds full, apply evenly with the net hand, install the bearing gland, and apply the bolt The fastening bolt of the anti-loosening rubber presses the bearing gland;

    2) The bearing is a cylindrical roller bearing with a detachable inner casing. The bearing should be placed on the rotating shaft and placed in place;

    3) Mount the bearing housing on the casing. If there is grease grease hole, it must be aligned. Pressing the bearing block with the fastening bolts of the anti-loosening rubber;

    4) The inner and outer eccentric blocks are mounted on the rotating shaft and are in place. If there is an axis key, the shaft key should be inserted into the keyway and then the outer eccentric block should be installed, and the shaft can be mounted on the rotating shaft with the retaining ring;

    5) Tightly fix the eccentric block fastening bolts and turn the adjustable eccentric block to the angular position before the unloading and tighten the fastening bolts. After the above assembly is completed, the shaft should have a certain axial movement;

    6) The protective cover on both ends of the upper vibration motor is fastened with screws.

The imported bearings have certain changes to the installation form of the vibration motor and other aspects of the performance, and the form considered from different angles has a certain change effect, and slowly the installation situation of all aspects has also been I understand it.

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How to maintain and maintain the spindle bearing

First of all, when the spindle bearing in the spindle is in operation, it is necessary to fully ensure the lubrication, and the lubricant is periodically added according to the actual use condition, and the oil cannot be cut off for a long time. Therefore, for the user company, it is better to use a better and more suitable spindle lubricant. The new special spindle oil can significantly improve the lubrication performance, extend the oil change interval, extend the service life of the spindle and the bearing, and also has better rust and corrosion resistance.

Secondly, the bearing with reinforced nylon material cage should be used at a temperature lower than 120 °C.

In addition, care should be taken when cleaning and cleaning the spindle to prevent damage and scratching the surface of the roller. To remove the residue of the bearing part as much as possible, it is better to rinse and suck the inside of the ingot to clean the residual oil. Care should be taken to avoid the use of the dumping type to cause the accumulation of cleaning waste to remain in the bearing parts, resulting in problems such as noise and wear failure of the bearings.

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How to inspect and measure SKF bearings and common maintenance methods

Core Tips: 1. Preparations before installing SKF bearings 1) Preparation of bearings Since the bearings are rust-proofed and packaged, do not open the package until the device is installed. Second check axis
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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Regular maintenance of the main role of imported bearings

Core Tips: 1. Imported bearings support: In order to maintain the original performance of the imported bearings in good condition for as long as possible, it is necessary to support, repair, and prevent accidents, to ensure the reliability of operation.
1. Imported bearings support: In order to maintain the original performance of the imported bearings in good condition for as long as possible, it is necessary to support, repair, and prevent accidents, ensure the reliability of operation, and improve consumption and economy.
The operating specifications that best correspond to the mechanical operating conditions are maintained and stopped periodically. The content includes monitoring of operating conditions, replenishment or replacement of smoothing agents, and periodic disassembly inspections. The maintenance items in operation include the rotating sound of the imported bearings, vibration, temperature, and the state of the smoothing agent.
2. Inspection and repair of the bearing: Cleaning of the bearing: When disassembling the bearing for repair, first record the appearance of the imported bearing, confirm the residual amount of the smoothing agent, and wash the bearing after sampling the smoothing agent. As a cleaning agent, gasoline and kerosene are commonly used.
The cleaning of the removed imported bearings is divided into coarse cleaning and fine cleaning. They are placed in the container respectively, and the metal mesh bottom is placed first so that the bearing does not directly contact the container. In rough cleaning, if the bearing is rotated with dirt, it will damage the rolling surface of the imported bearing and should be noted. In the rough cleaning oil, use a brush to remove the smooth grease and adhesive, and after roughly cleaning, transfer to the fine wash.
Fine washing is to carefully clean the bearing while rotating it in the cleaning oil. In addition, the cleaning oil should always be kept clean.
3. Inspection and discrimination of the bearing: In order to judge whether the removed imported bearing can be used, it is necessary to check after the bearing is cleaned. Check the condition of the raceway surface, the rolling surface, the mating surface, the wear condition of the holding frame, the increase of the bearing clearance, and the damage and abnormality caused by irrelevant dimensional accuracy. For non-detached small ball bearings, use one hand to support the inner ring and rotate the outer ring to confirm whether it is fluent.
For tapered bearings such as tapered roller bearings, the rolling surfaces of the rolling elements and the outer ring can be inspected separately.
Large bearings can not be rotated by hand, pay attention to check the appearance of rolling elements, raceway surfaces, holding frames, ribs, etc. The higher the importance of imported bearings, the more careful inspection is required.
1. The force of the applied force passes through the axis of the bearing as much as possible. This requires that the point of application of the force is averaged symmetrically and smoothly, and the force is applied through the spherical surface or parallel to the axis.
2, the size of the force should be smooth and average, should not have an impact, this requires the use of oil pressure or the use of tools that can apply smooth tension or pressure, the real has to use hammering, but also through the copper sleeve and other soft The falling metal is buffered and the knocking force is as gentle as possible. It is best to stop the hammer with a copper rod or a copper hammer.
3. Prevent the force from being applied by the rolling element. This requires the force applied through the outer ring when the inner ring (shaft ring) is applied and removed, and the outer ring is applied.
4. The drag force should be continued to the required level. For example, when the bearing is installed, the force should be stopped when the inlet bearing just fits into the correct position, and the end face of the ferrule (gasket) is abutted against the seat hole or the shoulder end face of the shaft. Can not be squeezed too tightly, and can not be installed.

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