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C Shape Advanced Beam Shaping for Welding Applications

Home » C Shape Advanced Beam Shaping for Welding Applications
October/06/2019 3:01 PM

HOLO/OR has ongoing cooperation with international research institutes on developing state of the art industrial laser technologies. During the Tailorweld project, we developed custom C Shape beam shaper elements that improve the welding process.

It was found that the C Shape intensity distribution has advantages in the width/depth ratio, reducing oxidation and eliminating hot cracking by giving bubbles a place to escape the weld area.

Click here for further reading.

C Shape Advanced Beam Shaping for Welding Applications
C shape profile

C Shape Advanced Beam Shaping for Welding Applications
HOLO/OR has ongoing cooperation with international research institutes on developing state
of the art industrial laser technologies.
During the Tailorweld project, we developed custom C Shape beam shaper elements that
improve the welding process.
It was found that the C Shape intensity distribution has advantages in the width/depth ratio,
reducing oxidation and eliminating hot cracking by giving bubbles a place to escape the weld
area.
Based on the research recommendation, we released two new C Shape products: ST-332-I-Y-A
(uniform C) and ST-333-I-Y-A (optimized edges intensity distribution).
ST-332-I-Y-A ST-333-I-Y-A
The thermal effect simulation below was prepared by the Gaussian filter method. The upper
line shows the heat transfer function effect on a uniform C Shape, and the bottom line on C
Shape with optimized edges.
The Research was cited in the following articles:
Sundqvist, Jesper, et al. “Numerical sensitivity analysis of single pulse laser welding with a C-shaped beam.” Journal of
Laser Applications 27.S2 (2015): S29010.
https://lia.scitation.org/doi/full/10.2351/1.4906466
Sundqvist, Jesper, et al. “Numerical optimization approaches of single-pulse conduction laser welding by beam shape
tailoring.” Optics and Lasers in Engineering 79 (2016): 48-54.
https://doi.org/10.1016/j.optlaseng.2015.12.001
Kong, Choon Yen, et al. “Single-pulse Conduction Limited Laser Welding Using A Diffractive Optical Element.” Physics
Procedia 83 (2016): 1217-1222.
https://doi.org/10.1016/j.phpro.2016.08.128
For more information click here.

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