Results 41 to 50 of about 2,117,850 (329)

Sensor integration for robotic laser welding processes [PDF]

open access: yes, 2005
The use of robotic laser welding is increasing among industrial applications, because of its ability to weld objects in three dimensions. Robotic laser welding involves three sub-processes: seam detection and tracking, welding process control, and weld ...
Aarts, Ronald   +2 more
core   +2 more sources

Research progress of laser welding process dynamic monitoring technology based on plasma characteristics signal

open access: yesJournal of Hebei University of Science and Technology, 2017
During the high-power laser welding process, plasmas are induced by the evaporation of metal under laser radiation, which can affect the coupling of laser energy and the workpiece, and ultimately impact on the reliability of laser welding quality and ...
Teng WANG, Juequan CHEN, Xiaoli JIN
doaj   +1 more source

Investigating the ability of deep learning to predict Welding Depth and Pore Volume in Hairpin Welding [PDF]

open access: yesarXiv, 2023
To advance quality assurance in the welding process, this study presents a deep learning DL model that enables the prediction of two critical welds' Key Performance Characteristics (KPCs): welding depth and average pore volume. In the proposed approach, a wide range of laser welding Key Input Characteristics (KICs) is utilized, including welding beam ...
arxiv  

Sensor development and integration for robotized laser welding [PDF]

open access: yes, 2009
Laser welding requires fast and accurate positioning of the laser beam over the seam trajectory. The task of accurate positioning of the laser tools is performed by robotic systems.
Iakovou, Dimitrios
core   +3 more sources

Depth Dependence and Keyhole Stability at Threshold, for Different Laser Welding Regimes

open access: yesApplied Sciences, 2020
Depending of the laser operating parameters, several characteristic regimes of laser welding can be observed. At low welding speeds, the aspect ratio of the keyhole can be rather large with a rather vertical cylindrical shape, whereas at high welding ...
R. Fabbro
semanticscholar   +1 more source

A Study on the Influences of Welding Position on the Keyhole and Molten Pool Behavior in Laser Welding of a Titanium Alloy

open access: yesMetals, 2019
Various welding positions need be used in laser welding of structures with complex configurations. Therefore, it is necessary to gain knowledge of how the welding positions can influence the keyhole and weld pool behavior in order to better control the ...
Baohua Chang   +5 more
doaj   +1 more source

Autogenous Fiber Laser Welding of 316L Austenitic and 2304 Lean Duplex Stainless Steels

open access: yesMaterials, 2020
This study presents results of experimental tests on quality of dissimilar welded joints between 316L austenitic and 2304 lean duplex stainless steels, welded without ceramic backing.
M. Landowski   +3 more
semanticscholar   +1 more source

PARAMETERS FORECASTING OF LASER WELDING BY THE ARTIFICIAL INTELLIGENCE TECHNIQUES

open access: yesFacta Universitatis. Series: Mechanical Engineering, 2018
Laser welding process is used in many industrial sectors. One of the most important aspects of the laser welding quality refers to the geometrical and mechanical properties of welding joints.
Vlastimir Nikolić   +4 more
doaj   +1 more source

Innovations in Monitoring, Control and Design of Laser and Laser-Arc Hybrid Welding Processes

open access: yesMetals, 2021
With the rapid development of high power laser, laser welding has been widely used in many fields including manufacturing, metallurgy, automobile, biomedicine, electronics, aerospace etc. Because of its outstanding advantages, such as high energy density,
Zheng-Xiong Ma   +4 more
doaj   +1 more source

Finite element simulation of magnesium alloys laser beam welding [PDF]

open access: yes, 2010
The authors are grateful to FONDERIE MESSIER (HONSEL group) that provided the as-cast magnesium alloy workpieces. The authors would like also to acknowledge the technical support of Dr.
BARRALLIER, Laurent   +4 more
core   +4 more sources

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