| Issue |
MATEC Web of Conferences
Volume 31, 2015
2015 7th International Conference on Mechanical and Electronics Engineering (ICMEE 2015)
|
|
|---|---|---|
| Article Number | 03009 | |
| Number of page(s) | 4 | |
| Section | Mechanical design manufacturing and automation | |
| DOI | https://doi.org/10.1051/matecconf/20153103009 | |
| Published online | 23 November 2015 | |
Research on Quality Inspection and Sorting On-line System for Bearing Steel Ball
North China Institute Of Science And Technology
To detect the flaws of bearing steel ball and sort its quality on-line, a kind of online quality detecting and sorting system for bearing steel ball is developed, which based on the eddy current inspection theory. The design of scheme, circuit and mechanical structure of the system is described in detail. PSD(Phase Sensitive Detection) is applied to pick up the signal of cracks and restrain interferential signal. The flaws will be quantificational analysed based on the X-R orthogonal decomposition technology which include the size and depth information of flaws. By analysing and processing the amplitude and phase of the defect signal, the flaws can be found with high accuracy and low error-detected ratio. ARM and MCU Processor ensures the real-time ability of discriminating algorithm. The CPLD is used for generating reference signal which can be easy to get synchronous with the source signal. It has good properties of real-time to detect the quality of bearing steel ball.
Key words: Eddy current / steel ball / phase sensitive detection / X-R orthogonal decomposition
© Owned by the authors, published by EDP Sciences, 2015
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