Method for detecting shape of butt joint of welded steel pipe, and quality control method and apparatus for welded steel pipes using the shape detecting method

The present invention provides a method for detecting a shape of a butt joint of a welded steel pipe. A specific detection range including a butt joint of a welded steel pipe is scanned with a non-contact means to obtain geometric coordinate data. Coordinates of a start point and an end point of the...

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Bibliographische Detailangaben
Hauptverfasser:	Hiramoto, Takafumi, Ehara, Teruo, Kino, Yasuyuki
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS PUNCHING METAL SOLDERING OR UNSOLDERING TESTING TRANSPORTING WELDING WORKING BY LASER BEAM
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