Comparison between finite elements simulation of residual stress and computer vision measurements in a welding TIG process

• Autorzy: Bianchi Federico , Petrucci Luca , Scappaticci Lorenzo , Garinei Alberto , Biondi Lorenzo , Marconi Marcello

Identyfikatory

DOI

10.29354/diag/135710

• Języki publikacji: EN

Abstrakty

EN

In this work, residual stresses arising after an industrial TIG welding process on an aerospace grade part are investigated. The customer demand for high product resistance and high dimensional accuracy calls for the control of the welding process and the minimisation of the residual stresses. Dimensional check of manufactured parts was traditionally performed in a quality room by means of coordinate measuring machines (CMM). For parts larger than 1 meter, this operation shows several issues, as the handling and the need for large and expensive measuring devices. These needs can be fulfilled by an innovative method that, through continuous dimensional check, allows to optimise the welding process parameters. This method is built on a post-process measurement of part shrinkage based on a Computer Vision technique, the outcome being a 3D reconstruction of the actual part. Moreover, the whole procedure is low-cost and time saving, as it can be performed with a conventional camera mounted on a tripod. A Finite Element Model (FEM) of the TIG process on the selected sample was developed. The result of the numerical model was compared with the Computer Vision-based post-process measurement. The simulation scenario predicted by Finite Element Analysis agrees with measurements.

Słowa kluczowe

EN

welding process; FEM simulation; computer vision; machine learning

PL

symulacja MES; proces spawania; wizja komputerowa; uczenie maszynowe

• Wydawca: Polskie Towarzystwo Diagnostyki Technicznej
• Czasopismo: Diagnostyka
• Rocznik: 2021
• Tom: Vol. 22, No. 2
• Strony: 29--37
• Opis fizyczny: Bibliogr. 23 poz., rys., tab.

Twórcy

autor

Bianchi Federico

• Guglielmo Marconi University - Department of Sustainability Engineering, Roma, Italy
• Idea-Re S.r.l, via Pontani 39, 06128 Perugia, Italy

autor

Petrucci Luca

• Engineering department, University of Perugia, 06125 Italy

autor

Scappaticci Lorenzo

• Guglielmo Marconi University - Department of Sustainability Engineering, Roma, Italy

autor

Garinei Alberto

• Guglielmo Marconi University - Department of Sustainability Engineering, Roma, Italy
• Idea-Re S.r.l, via Pontani 39, 06128 Perugia, Italy

autor

Biondi Lorenzo

• Guglielmo Marconi University - Department of Sustainability Engineering, Roma, Italy
• Idea-Re S.r.l, via Pontani 39, 06128 Perugia, Italy

autor

Marconi Marcello

• Guglielmo Marconi University - Department of Sustainability Engineering, Roma, Italy
• Idea-Re S.r.l, via Pontani 39, 06128 Perugia, Italy

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).