| JIANG Guang-rui,TENG Hua-xiang,ZHANG Hao,LIU Li-bin,LI Chun-guang.Study on Measurement Standards of Waviness on Cold Rolled Sheet[J],42(5):112-115 |
| Study on Measurement Standards of Waviness on Cold Rolled Sheet |
| Received:May 23, 2013 Revised:June 10, 2013 |
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| DOI： |
| KeyWord:waviness gaussian filter cold rolled sheet paint appearance |
| Author | Institution |
| JIANG Guang-rui |
Shougang Research Institute of Technology, Beijing , China |
| TENG Hua-xiang |
Shougang Research Institute of Technology, Beijing , China;School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing , China |
| ZHANG Hao |
Shougang Research Institute of Technology, Beijing , China |
| LIU Li-bin |
Shougang Research Institute of Technology, Beijing , China;State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing,Beijing , China |
| LI Chun-guang |
Shougang Research Institute of Technology, Beijing , China;School of Materials and Metallurgy, Northeastern University, Shenyang , China |
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| Abstract: |
| The waviness on cold rolled sheet was measured and calculated by following three methods: high pass Gaussian filter with low pass Gaussian filter, high pass exponent filter with low pass exponent filter and polynomial filter with low pass Gaussian filter. The effect of filtering techniques and measuring length on the results of waviness parameter was analyzed. It indicates that application of high pass Gaussian filter with low pass Gaussian filter leads to higher and unstable results. Moreover,the waviness parameter based on the methods of high pass exponent filter with low pass exponent filter and polynomial filter with low pass Gaussian filter is stable on measuring length. |
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