A processing method for the wear-resistant structure of the raceway of the inner and outer rings of the roller bearing
A technology of roller bearing and processing method, applied in the direction of shaft and bearing, bearing components, mechanical equipment, etc., can solve the problems of not ensuring the reduction of roller bearing wear, affecting the strength and accuracy of the roller bearing, and the process is not easy to control, etc. Achieve excellent storage capacity, improved wear resistance and good effect
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[0039] Embodiment: A wear-resistant structure of the inner and outer ring raceways of a roller bearing, such as figure 1 As shown, a zigzag pit array extending in the circumferential direction is set on the rolling surfaces of the inner and outer ring raceways of the bearing, and the pit array is composed of cylindrical pits one by one. Such as figure 2 As shown, the depth h of each cylindrical pit is 4 μm, the diameter d is 150 μm, and the distance between every two adjacent pits is the same, as image 3 As shown, L is 300 μm. The area occupied by all dimples is 8% of the raceway area.
[0040] In order to process this kind of pit array, such as Figure 4 , 5 The shown processing device includes a laser 1 and a focusing lens 3 . When processing the raceway of the bearing inner ring, the laser beam 2 emitted by the laser 1 is directly irradiated on the raceway of the bearing inner ring 4 to be processed through the focusing lens 3, and the specific operation is as follow...
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