Automatic Welding, 2025, №05

2025 №05 (07)

DOI of Article 10.37434/as2025.05.08

2025 №05 (09)

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"Avtomatychne Zvaryuvannya" (Automatic Welding), #5, 2024, pp. 68-74

Automation of the manufacturing process of a drilling tool fragment using additive deposition method

A.S. Novodranov, O.M. Savytskyi

E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: artur19940731@gmail.com

Nowadays, 3D printing technology is actively developing and is used in the manufacture of parts for various industries. This paper outlines the advantages, limitations, and characteristics of surfacing complex-shaped parts using pulsed arc and constant power arc methods. Four robotic surfacing approaches were investigated, including three variations of the pulsed arc mode, which provided high-quality deposited metal and a fine-grained structure. The deposited metal was tested for impact toughness, and all samples demonstrated high impact toughness regardless of the surfacing method. However, the additive surfacing of metal parts may lead to surface defects such as pores and cracks in the deposited layers. The use of a robotic system based on an anthropomorphic robot with an integrated machine vision system enhances both the quality and productivity of the surfacing process. The analysis of macro- and microstructures of the deposited metal specimens confirmed the effectiveness of the defect detection system. As a result of the study, an experimental drilling auger was successfully manufactured via robotic surfacing using a constant power arc. 13 Ref., 4 Tabl., 6 Fig.
Keywords: 3D technology, WAAM deposition, anthropomorphic robot, machine vision system, defect recognition, constant power arc, pulsed arc


Received: 25.04.2025
Received in revised form: 19.06.2025
Accepted: 08.10.2025

References

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