When necessary, the user can propose to SKF bearing manufacturers process quality requirements that extend the life of SKF angular contact ball bearings, such as the stress state of the rolling surface and the control requirements of the processing metamorphic layer. Generally speaking, the rolling surface is in a state of moderate compressive stress, but it is also necessary to combine the surface change rate from grinding to superfinishing to determine the process parameters that are most favorable for the fatigue life of SKF angular contact ball bearings. In terms of aspects, it is advisable to obtain the cooperation of professionals related to SKF angular contact ball bearings.
The metamorphic layer of the rolling surface mainly refers to the surface layer which is different in physical and chemical properties from the base metal, such as the oxide layer, the work hardening layer and the tissue distortion layer. The strength of the rolling layer is often poor and the bonding with the substrate is not strong, and the SKF angle is not good. The contact life and wear life of the contact ball bearing are extremely unfavorable and should be controlled.
For high-precision SKF angular contact ball bearings, because the required roughness of the rolling surface is small, if the process is not appropriate, the high-gloss surface is not formed by cutting, but by the rubbing action of the abrasive grains, the surface must be The metamorphic layer formed by the plastic flow is actually disadvantageous to the life of the SKF angular contact ball bearing and should be controlled.
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