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1, through the surface feels INA Bearing Quality
I found the bearings in the sales process, said many customers as long as the bearing surface brightness is of good quality, which is wrong. Bright bearing surfaces should be kind of glossy black, glossy black is the cause of this steel bearings are used in compliance with its grinding and cutting fluid used, such as generated, which dominated the previous two.
2, chamfer is bright
INA Bearing chamfer does not determine the quality of the bearing, but it reflects the processing method of the bearing. Chamfer is black, after hardening heat treatment, thus increasing the hardness of the bearing, and some people think that black does not look good chamfering processing is not perfect, this is a misunderstanding.
3, one of the two body cage than good, although new technology uses one cage, but it is only saves material, while the other properties than the difference between the two rotating body.
Overall, INA Bearing life of a relationship with the three factors, namely the quality of the bearing itself. Second, the use of the environment. Third, the installation method.
These changes will have a performance small INA Bearing damage caused by the use of bearings depending on the requirements. The track may be irregularly distributed depression may be uniformly distributed positions corresponding roller. If there are a plurality of load held in rotation, depression will then evenly distributed throughout the raceway. Will lead to permanent deformation INA Bearing vibration and noise, and increase friction. May increase the internal space, or change the coordination between the parts. Therefore, in order to meet any of the above requirements, you must ensure that no permanent deformation or only a very limited range; do this, INA Bearing selection should have a sufficiently high static load capacity: high reliability, quiet operation (such as motor ), vibration-free operation (such as machine tools), bearing friction torque constant (such as measuring instruments and test equipment), the starting point for a low friction under load (such as cranes). According to the static load-bearing capacity, choose the size, the use of a given safety factor S0. A basic static load rating C0 relationship and equivalent static bearing load P0 between the representatives of the safety factor.
INA Bearing failure caused mainly due to two major flaws with the overload factor. The most common is the external loads exceed the ultimate strength of the material parts breakage overload fractures.
Overloading is improper or host the main reason for the sudden failure of the installation. Under normal circumstances, microcracks INA Bearing parts, shrinkage, bubbles, large foreign bodies, burns and other local organizations and severe shock or vibration thermal overload fracture defect can cause defects, which we call the defect fractures.
To this end, we need to influence in the manufacturing process, and rigorous testing of raw materials, a good pass. Further forging and heat treatment quality control, process control equipment, can be properly analyzed for the presence of these defects must be strengthened in the future to control. However, under normal circumstances, usually INA Bearing Failure overload fault.