Extend the maintenance and maintenance of INA combined bearing life cycle

After the INA combined bearing is installed, alignment may result in additional loads, friction and vibration of the INA combined bearing without careful alignment. These can accelerate fatigue and reduce bearing life and can damage the life of other machine parts. In addition, increased vibration and friction can greatly increase energy consumption and risk of premature failure.

In order to fully utilize the bearings and maintain their proper performance for a long time, regular maintenance (regular inspection) must be performed. Through proper periodic inspections, early detection of failures and prevention of accidents are important to improve productivity and economy.

1, cleaning

When the INA combination bearing is removed and inspected, the appearance record is first recorded by photography. Also, verify the amount of lubricant remaining and sample the lubricant before cleaning the bearings.

a. The cleaning of the bearing is carried out by rough washing and fine washing, and a metal mesh frame can be placed on the bottom of the used container.

b. When rough washing, remove the grease or adhesive with a brush or the like in the oil. At this time, if the INA combination bearing is rotated in the oil, be careful that the rolling surface will be damaged by foreign matter or the like.

c. When washing finely, slowly rotate the bearing in the oil and carry out it carefully.

The cleaning agent generally used is a neutral non-aqueous diesel oil or kerosene, and a warm alkali liquid or the like is sometimes used as needed. Regardless of which cleaning agent is used, it is often filtered and kept clean.

2, inspection and judgment

In order to judge whether the removed INA combination bearing can be reused, it is necessary to check its dimensional accuracy, rotation accuracy, internal clearance, mating surface, raceway surface, cage and seal ring.

3. Basic condition monitoring

During use, the basic external conditions of the US INA combined bearing operation are often monitored, such as temperature, vibration and noise measurements. These regular inspections will identify potential problems early and will prevent unexpected machine stops, enabling production plans, increased plant productivity and efficiency.

4, relubrication

During operation, the bearing is required to have the correct relubrication to perfect its performance. The method of bearing lubrication is divided into grease lubrication and oil lubrication. In order to make the bearing function well, first, choose a lubrication method that suits the conditions of use and the purpose of use. Lubricity of oil lubrication predominates if only lubrication is considered. However, grease lubrication has the advantage of simplifying the structure around the bearing.

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Analysis affects the life of KOYO needle roller bearings for maintenance and maintenance

In order to make the KOYO needle roller bearing parts have a large compressive stress on the surface after quenching and tempering, a carburizing or nitriding atmosphere may be introduced during quenching heating to perform surface carburizing or nitriding for a short time. Since the actual austenite carbon content is not high when the steel is quenched and heated, it is much lower than the equilibrium concentration shown on the phase diagram, so carbon (or nitrogen) can be absorbed. Depending on the application, it is necessary to select bearings for special requirements in terms of precision, clearance, cage structure, grease, etc. However, there is no certain order for selecting bearings. Rules, priority should be given to the conditions, performance, and related matters required by KOYO needle roller bearings, especially for practical use.

In order to fully utilize KOYO needle roller bearings and maintain their proper performance for a long time, regular maintenance (regular inspection) must be performed. Through proper periodic inspections, early detection of failures and prevention of accidents are important to improve productivity and economy. Lubrication method: KOYO needle roller bearing lubrication method, divided into grease lubrication and oil lubrication. In order to make the bearing function well, first, choose a lubrication method that suits the conditions of use and the purpose of use. Lubricity of oil lubrication predominates if only lubrication is considered. However, grease lubrication can simplify the structure of the KOYO needle roller bearing structure, and compare the advantages and disadvantages of grease lubrication and oil lubrication.

When the original microstructure in the steel is constant, the carbon content of the quenched martensite (that is, the austenite carbon content after quenching heating), the amount of retained austenite and the amount of undissolved carbide mainly depend on the quenching heating temperature and the holding time. As the quenching heating temperature increases (time is constant), the amount of undissolved carbides in the steel decreases (the carbon content of the quenched martensite increases), the amount of retained austenite increases, and the hardness first increases as the quenching temperature increases. After reaching the peak, it decreases as the temperature increases.

As long as the bearings in order to maintain the original performance as intact, maintain, maintain, and put in the first place to prevent accidents, ensure operational reliability, improve productivity, and economy. Corresponding mechanical operation and maintenance work standards, regular, best conditions. This includes monitoring the operating status, replenishing or replacing the lubricant, and checking it regularly. As a problem of maintenance operation, KOYO needle roller bearings have been rotated, vibrated, temperature, lubricated, and so on.

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