Research on direct rapid manufacturing of 316L fine metal part using fiber laser

WU Wei-hui; YANG Yong-qiang; WANG Hong-wei; WANG Di

doi:10.3969/j.issn.1001-3806.2009.05.024

LASER TECHNOLOGY > 2009 > 33(5): 486-489. > DOI: 10.3969/j.issn.1001-3806.2009.05.024

WU Wei-hui, YANG Yong-qiang, WANG Hong-wei, WANG Di. Research on direct rapid manufacturing of 316L fine metal part using fiber laser[J]. LASER TECHNOLOGY, 2009, 33(5): 486-489. DOI: 10.3969/j.issn.1001-3806.2009.05.024

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Research on direct rapid manufacturing of 316L fine metal part using fiber laser

1.
School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, China;
2.
RitonLaser Limited Corporation, Guangzhou 510388, China

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Received Date: November 07, 2008
Revised Date: December 22, 2008
Published Date: October 24, 2009

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Abstract

In order to study the application of fiber laser in direct manufacturing of 316L stainless steel fine part by selective laser melting(SLM),a fiber laser was focused to a minimal fine spot size of 30μm~50μm on the work plane of the SLM system by means of a beam expander and f-θ lens.After analyzing some SLM experiment results under different conditions of defocus,laser power,scanning speed and path,the effect of the above parameters on the part prototyping accuracy was found.The analysis result shows that a stainless 316L part with minimal thin wall of 0.1 mm can be built through optimization of processing parameters and scanning path.
- laser technique,
- fine metal part,
- selective laser melting,
- fiber laser

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