A Study of Seam Topography Measurement System in 3D Butt Welding of Main Steel Structure

Heng Zhou Zhen; Yue Mei Han

doi:10.4028/www.scientific.net/AMM.333-335.126

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Dynamic Characteristics Test of a Bearing Micro Workbench Used for Fiber Measurement
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 333-335A Study of Seam Topography Measurement System in...

A Study of Seam Topography Measurement System in 3D Butt Welding of Main Steel Structure

Abstract:

In 3D butt welding of main steel structure, the accuracy of arc trajectory along the centre of seam and the distance between arc and seam are critical. Thus an accurate topography measurement system is important for controlling those parameters. In this paper, a seam topography measurement system for measuring seam topography of 3D main steel structure was developed using telecentric lens, CCD camera and diode laser. A detection algorithm was developed to detect seam topography based on grey projection integral approach. Experimental study shown that the seam topography measurement system could accurately measure the seam topography, seam width and detect seam boarder. The detection algorithm was also demonstrated with high self-verification ability.

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Periodical:

Applied Mechanics and Materials (Volumes 333-335)

Pages:

126-129

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.333-335.126

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Online since:

July 2013

Authors:

Heng Zhou Zhen, Yue Mei Han

Keywords:

Automatic Welding, Butt Welding, Gray Projection Integral, Main Structure

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