The design structure of the slewing bearing includes rolling elements, inner and outer rings, and cages. In the design, the diameter of the rolling elements, the number of rolling elements, the wall thickness of the ring, the effective length of the rolling contact, the tightness and the convexity of the contact surface of the raceway should be considered. shape and size. At the same time, the chemical composition of bearing production materials, oxides, impurities, gases and other factors have an impact on bearing performance and life.
The impact of bearing processing technology on bearing performance and life is a more critical part. In the process of bearing manufacturing and processing, the hardness, metallographic structure, burn, bump and surface roughness of the working surface of the bearing, the shape of the surface busbar, the thickness of the ring wall, the poor grouping of parts, the accuracy of the roller guide surface, the bearing clearance, the parts Cracks, residual magnetism and residual stress on the surface of the parts will also affect the life of the bearing.
In addition to the level of production and processing, the influencing factors of bearing life are also closely related to our daily use. We all know that there are many types and models of bearings, and each model is suitable for different equipment, not only in terms of bearing model requirements. , and equipment has different requirements for bearing performance. The correct selection of bearing type, size, load size, clearance, accuracy, etc. can make the equipment and the bearing more suitable, and also affect the service life of the bearing.
When the bearing is installed on the equipment, it is necessary to consider the size and position accuracy of the relevant spare parts. Choosing the correct assembly tool and assembly method can reduce the wear and deformation during the bearing installation process. During the installation process, attention should be paid to the cleaning and lubrication of the bearing spare parts and the bearing itself. , The adjustment of the clearance, the size of the preload, the choice of lubricant and the amount of filling will all have an impact on the bearing life.
The working environment of the bearing also has a certain impact on the service life of the bearing. For example, in harsh, high temperature, pollution, and water-rich environments, the use of slewing bearings may face more challenges, such as dust and impurities entering the bearing and causing wear, water vapor, etc. Bearings are rusted, and the contamination of grease or lubricating oil will seriously affect the lubrication and anti-rust effects.
The bearing has its own rated load from production, and the load capacity is also measured. The bearing capacity is affected by the bearing raceway hardness, raceway curvature radius, hardened layer depth, and raceway contact angle. It has been basically qualitative, to maintain the basic performance of the bearing and the load capacity that is balanced for the long-term use, if the long-term overload operation may have an impact on the service life of the bearing.
What are the factors that affect the life of the slewing bearing In addition to the above-mentioned contents, the daily maintenance of the slewing bearing is also very important, mainly referring to the lubrication of the bearing, daily operation inspection, fault maintenance and so on. Under the condition of guaranteed lubrication, the average service life of the bearing can reach 5-10 years or even longer, and it will drop to about 3 months in the state of poor lubrication, so choose the correct type of lubricating oil and add the appropriate amount to the bearing. Extending life has positive implications. At the same time, the daily inspection and maintenance of bearings cannot be ignored, and small problems should be dealt with in time to avoid deterioration and affect production.
The above is the answer to the factors that affect the life of the slewing bearing in terms of bearing production and use. I hope it can help you better choose the slewing bearing. At the same time, if you encounter other problems in the selection and use of bearings, please feel free to write. Consult us.
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