Numerical Study on Influences of Process Parameters on Laser Tube Bending

Yan Jin Guan; Hong Mei Zhang; Sheng Sun; Guo Qun Zhao

doi:10.4028/www.scientific.net/AMR.148-149.590

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 148-149Numerical Study on Influences of Process...

Numerical Study on Influences of Process Parameters on Laser Tube Bending

Abstract:

Laser bending process of tubes is a new flexible forming process without rigid tools and external forces. The tube is formed by internal thermal stress induced by laser irradiation. The process simulation of laser bending of tubes is realized numerically. When the other parameters remain invariable, the laser bending angle augments with the increase of the laser power. The laser bending angle decreases with the increase of the scanning velocity. Meanwhile, the bending angle varies with the diameter of the laser spot. The angle begins to decrease when the laser spot diameter get to an optimum value. The bending angle enlarges if the scanning wrap angle augments. The bending angle is largest when the scanning wrap angle is 180°. When the scanning wrap angle is over 180°, the bending angle decreases with the increase of the scanning wrap angle. The relationship between the number of scans and the bending angle is about in direct ratio. The bending angle induced by the first irradiated time is the largest.

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Periodical:

Advanced Materials Research (Volumes 148-149)

Pages:

590-594

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.148-149.590

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Online since:

October 2010

Authors:

Yan Jin Guan, Hong Mei Zhang, Sheng Sun, Guo Qun Zhao

Keywords:

FEM Modeling, Laser Bending, Numerical Simulation, Process Parameter, Tube

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