METHOD AND APPARATUS FOR MEASURING MEANDERING AMOUNT OF STRIP, AND METHOD AND APPARATUS FOR DETECTING ABNORMAL MEANDERING OF STRIP
A method measures a meandering amount of a strip, which is capable of reducing troubles. In the method of measuring a meandering amount of a strip during conveyance, an imaging means is arranged in one side of the strip at a state of tilting an optical axis thereof to a pass line plane of the strip...
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Zusammenfassung: | A method measures a meandering amount of a strip, which is capable of reducing troubles. In the method of measuring a meandering amount of a strip during conveyance, an imaging means is arranged in one side of the strip at a state of tilting an optical axis thereof to a pass line plane of the strip and a light is arranged in the other side of the strip to irradiate light to the strip from the back of the strip viewing from the imaging means, and the strip is shot by the imaging means from an oblique side to include both edges of the strip and the edge of the strip is detected with an image shot by the imaging means and a meandering amount of the strip is calculated based on the detected edge position information of the strip from a standard position. |
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