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Indentation shape parameters as indicators of spot weld quality
Bračun, Drago (Author), Polajnar, Ivan (Author), Diaci, Janez (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1504/IJMPT.2006.011275 New window

Abstract
This contribution presents a laser-based method for three-dimensional (3D) measurements of the shape of an electrode indentation. The method is based on the illumination of the indentation with structured light and the detection ofthe image of the illuminated indentation by means of a digital camera. Imageprocessing algorithms are employed to determine the 3D shape of the indentation. A batch of welds obtained from an automotive production process has been measured and analysed for characteristic geometrical indentation parameters such as diameter, depth, presence of cracks, splash, etc. The potential of indentation shape parameters to serve as indicators of spot quality is discussed.

Language:English
Keywords:laserska profilometrija, laserska triangulacija, avtomobilska industrija, točkovno varjenje, kakovost varov, meritve, neporušno preskušanje, obdelave slike, algoritmi, laser profilometry, laser triangulation, spot-weld inspection, spot welding, weld quality, electrode indentation, image processing, automotive production, automobile industry, indentation shape parameters, NDT, nondestructive testing
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2006
Number of pages:str. 247-257
Numbering:Letn. 27, št. 3/4
UDC:621.791:535.374
ISSN on article:0268-1900
COBISS.SI-ID:9721371 Link is opened in a new window
Views:647
Downloads:150
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Record is a part of a journal

Title:International journal of materials & product technology
Shortened title:Int. j. mater. prod. technol.
Publisher:Inderscience Enterprises
ISSN:0268-1900
COBISS.SI-ID:512563481 New window

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