Securing the quality of mesh weld joints in bolt support through robotized operation
- Krechetov A.A.
T.F. Gorbachev Kuzbass State Technical University, Kemerovo, Russian Federation
Russian Mining Industry №3 / 2021 р. 130–134
Abstract: Stabile strength properties of the mesh weld joints is one of the key factors in ensuring the required load-bearing capacity of the bolt support as a whole. In accordance with the basic principles of the statistical process control concept, the best quality is ensured by the production process that has the minimum variability of the results. To identify the initial parameters of the control charts used to monitor the stability of the process, the strength properties of the mesh weld joints were studied for manual, contact and robotic welding in the conditions of OKS LLC. Robotic welding is made using the ABB robotic complex consisting of three manipulators, two of which are designed to execute the movement of the welding arc and one to displace the mesh into and out of the welding zone. It is shown that the distribution of welding strength values in robotic welding is characterized with the lowest value of sample standard deviation. It was found that robotic welding was the only method among those investigated that ensured the values of additional samples to fall within the initially set range in the control charts.
Keywords: rock support, statistical process control, control charts, production robotization, product quality assurance
For citation: Krechetov A.A. Securing the quality of mesh weld joints in bolt support through robotized operation. Gornaya promyshlennost = Russian Mining Industry. 2021;(3):130–134. (In Russ.) DOI 10.30686/1609-9192-2021-3-130-134.
Article info
Received: 29.04.2021
Revised: 16.05.2021
Accepted: 31.05.2021
Information about the author
Andrey A. Krechetov – PhD, Associate Professor, T.F. Gorbachev Kuzbass State Technical University, Kemerovo, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
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