Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical Calculation

To optimize the robotic MIG welding process for joining 316 L stainless steel sheets and to clearly understand the process, a new numerical model for a combined heat source, based on a Gaussian surface and Gaussian cylinder, was developed using ANSYS software. After confirming the proper welding par...

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Main Authors: Ping Yao, Yunyi Huang, Riheng He, Junxi Huang, Meiyi Chen, Wenxiao Yu, Kang Zhou
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Metals
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Online Access:https://www.mdpi.com/2075-4701/15/2/168
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author Ping Yao
Yunyi Huang
Riheng He
Junxi Huang
Meiyi Chen
Wenxiao Yu
Kang Zhou
author_facet Ping Yao
Yunyi Huang
Riheng He
Junxi Huang
Meiyi Chen
Wenxiao Yu
Kang Zhou
author_sort Ping Yao
collection DOAJ
description To optimize the robotic MIG welding process for joining 316 L stainless steel sheets and to clearly understand the process, a new numerical model for a combined heat source, based on a Gaussian surface and Gaussian cylinder, was developed using ANSYS software. After confirming the proper welding parameter combination for producing a weld bead with a good appearance, the model could be developed using the parameter combination. The influence of four parameters—effective heat delivery radius, the depth and heat distribution coefficients of the Gaussian surface, and the Gaussian cylinder heat source effects on the bead width and penetration—was explored using the model, and then a general and convenient method was proposed to effectively and reasonably set the parameters of the combined heat source. Finally, the numerical calculation results for the shape of the fusion line of the weld bead section could be obtained under different input powers and different welding speeds. The numerical calculation results had small errors compared to the experiments results. Hence, this model could realize temperature field simulation and weld bead formation prediction. This work can be used to accurately and effectively predict the robotic MIG welding process in the academic research and supply references for actual production.
format Article
id doaj-art-4e548636076248b3aa543fa841ab0c31
institution DOAJ
issn 2075-4701
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publishDate 2025-02-01
publisher MDPI AG
record_format Article
series Metals
spelling doaj-art-4e548636076248b3aa543fa841ab0c312025-08-20T02:44:42ZengMDPI AGMetals2075-47012025-02-0115216810.3390/met15020168Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical CalculationPing Yao0Yunyi Huang1Riheng He2Junxi Huang3Meiyi Chen4Wenxiao Yu5Kang Zhou6College of Mechanical Engineering, Guangdong Polytechnic Normal University, Guangzhou 510630, ChinaCollege of Mechanical Engineering, Guangdong Polytechnic Normal University, Guangzhou 510630, ChinaCollege of Mechanical Engineering, Guangdong Polytechnic Normal University, Guangzhou 510630, ChinaCollege of Mechanical Engineering, Guangdong Polytechnic Normal University, Guangzhou 510630, ChinaCollege of Mechanical Engineering, Guangdong Polytechnic Normal University, Guangzhou 510630, ChinaSchool of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaTo optimize the robotic MIG welding process for joining 316 L stainless steel sheets and to clearly understand the process, a new numerical model for a combined heat source, based on a Gaussian surface and Gaussian cylinder, was developed using ANSYS software. After confirming the proper welding parameter combination for producing a weld bead with a good appearance, the model could be developed using the parameter combination. The influence of four parameters—effective heat delivery radius, the depth and heat distribution coefficients of the Gaussian surface, and the Gaussian cylinder heat source effects on the bead width and penetration—was explored using the model, and then a general and convenient method was proposed to effectively and reasonably set the parameters of the combined heat source. Finally, the numerical calculation results for the shape of the fusion line of the weld bead section could be obtained under different input powers and different welding speeds. The numerical calculation results had small errors compared to the experiments results. Hence, this model could realize temperature field simulation and weld bead formation prediction. This work can be used to accurately and effectively predict the robotic MIG welding process in the academic research and supply references for actual production.https://www.mdpi.com/2075-4701/15/2/168robotic MIG weldingcombined heat sourceweld bead formationfusion line
spellingShingle Ping Yao
Yunyi Huang
Riheng He
Junxi Huang
Meiyi Chen
Wenxiao Yu
Kang Zhou
Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical Calculation
Metals
robotic MIG welding
combined heat source
weld bead formation
fusion line
title Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical Calculation
title_full Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical Calculation
title_fullStr Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical Calculation
title_full_unstemmed Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical Calculation
title_short Weld Bead Shape and Formation Prediction for Robotic MIG Welding Process Using Numerical Calculation
title_sort weld bead shape and formation prediction for robotic mig welding process using numerical calculation
topic robotic MIG welding
combined heat source
weld bead formation
fusion line
url https://www.mdpi.com/2075-4701/15/2/168
work_keys_str_mv AT pingyao weldbeadshapeandformationpredictionforroboticmigweldingprocessusingnumericalcalculation
AT yunyihuang weldbeadshapeandformationpredictionforroboticmigweldingprocessusingnumericalcalculation
AT rihenghe weldbeadshapeandformationpredictionforroboticmigweldingprocessusingnumericalcalculation
AT junxihuang weldbeadshapeandformationpredictionforroboticmigweldingprocessusingnumericalcalculation
AT meiyichen weldbeadshapeandformationpredictionforroboticmigweldingprocessusingnumericalcalculation
AT wenxiaoyu weldbeadshapeandformationpredictionforroboticmigweldingprocessusingnumericalcalculation
AT kangzhou weldbeadshapeandformationpredictionforroboticmigweldingprocessusingnumericalcalculation