Application of Optical Inspection Method for Testing the Correctness of Ball Bearings Assembly

Piotr Garbacz; Piotr Czajka

doi:10.4028/www.scientific.net/SSP.223.264

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HomeSolid State PhenomenaSolid State Phenomena Vol. 223Application of Optical Inspection Method for...

Application of Optical Inspection Method for Testing the Correctness of Ball Bearings Assembly

Abstract:

The article presents the optical inspection method for the correct assembly of bearings with rolling elements in the form of balls. During the assembly process, faults can occur of incomplete fill of the rolling elements in a bearing cage or a lack of rivets for fixing both parts of the cage. These are critical defects, disqualifying the bearing from the operation. In order to detect these faults, the method of backlighting was used in the form of a modular LED panel illuminator located under the inspected bearing. The chosen method of lighting provides a high contrast and good sharpness with a simultaneous low sensitivity to contamination that may arise in the field of view of the camera. In order to verify the developed method, an experimental automated research stand was made. For vision inspection, a modular vision controller with a monochromatic CCD camera was used. Due to the range of bearings subjected to vision inspection, the algorithm of the program allows automatic detection of the bearing type based on its characteristics. The operation of the vision system was presented for each of the individual stages of the inspection process. The functions used in the field of computer-based image processing and analysis were described. Examples of bearing inspections, with use of the developed method, were presented.

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Periodical:

Solid State Phenomena (Volume 223)

Pages:

264-271

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.223.264

Citation:

Cite this paper

Online since:

November 2014

Authors:

Piotr Garbacz*, Piotr Czajka

Keywords:

Ball Bearings, Fault Detection, Image Analysis, Image Processing, Optical Inspection

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* - Corresponding Author

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