Study on Misalignment of Focus Position in Laser Metal Deposition Shaping Processing

Abstract:

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In order to investigate the effect on manufacturing quality of focus position misalignment between laser beam and powder convergence in laser metal deposition shaping (LMDS) processing, several experiments including single-track monolayer, straight thin-wall and ring thin-wall were made. The measurements and analysis on shape, size and surface quality of the experiment parts were carried out. An omnidirectional detecting method to check the misalignment of focus position was brought forward and tested. The results indicate that the misalignment of focus position directly affects the quality of shaping parts and shows the regularity, the detecting method can easily detect the focus position misalignment on random direction and angle and guide the adjustment on them.

Info:

Periodical:

Edited by:

Kai Cheng, Yongxian Liu, Xipeng Xu and Hualong Xie

Pages:

1218-1222

DOI:

10.4028/www.scientific.net/AMM.16-19.1218

Citation:

F. J. Tian et al., "Study on Misalignment of Focus Position in Laser Metal Deposition Shaping Processing", Applied Mechanics and Materials, Vols. 16-19, pp. 1218-1222, 2009

Online since:

October 2009

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$35.00

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