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Recent Patents on Detection Device of Surface Defects on Bearing Balls

Author(s):

Chengyi Pan*, Junhong Tang, Guanqun Cao and Bingtao Hu  

Abstract:


Background: With the continuous pursuit of high-quality and high-precision bearings in industrial production, the processing accuracy of bearing balls is increasing, and high surface quality has become the most basic requirement for high-quality bearing balls. Studying the working principle of detection device of surface defects on bearing balls is beneficial to improve the surface accuracy of bearing balls and the quality of bearings.

Objective: To meet the increasing requirements for measurement accuracy and efficiency of surface detection on bearing balls, the devices and methods of surface detection on bearing balls have been improved constantly.

Methods: This paper reviews various representative patents related to the detection device of surface defects on bearing balls. The advantages and disadvantages of the patents are analyzed.

Results: Through tracing the characteristics of different types of the detection device of surface defects on bearing balls, the main existing problems in the current are concluded and analyzed, such as low detection accuracy, low detection efficiency, and limited scope of application, etc. The future development of patents on detection device of surface defects on bearing balls is discussed.

Conclusion: The optimization and development of detection device of surface defects on bearing balls are beneficial to improve the detection accuracy and efficiency of surface defects on bearing balls, and are conducive to expand the scope of application of the detection devices. More related patents on detection device of surface defects on bearing balls will be invented.

Keywords:

Bearing balls, detection device, eddy current, machine vision, surface defects, unfolding device.

Affiliation:

School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, Heilongjiang Province, School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, Heilongjiang Province, School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, Heilongjiang Province, School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, Heilongjiang Province



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