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2019 №06 (09) DOI of Article
2019 №06 (11)

The Paton Welding Journal 2019 #06
TPWJ, 2019, #6, 50-53 pages

Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       #6, 2019 (June)
Pages                      50-53

Peculiarities of welding process using metal cored wire of TMV5-mk grade

A.A. Golyakevich1, L.N. Orlov1 and S.Yu. Maksimov2
1LLC TM.VELTEK 15 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-maul: office@veldec.ua
2E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua

Currently, in the world market of welding consumables a steady tendency in growing the consumption of flax-cored wires is preserved. One of the rapidly developing technologies for manufacture of metal structures is arc welding in shielding gases using the metal cored wire. as to the technology of application the metal cored wires, do not differ from solid wires, and as to the number of technological characteristics they even surpass them. LLC TM.Veltek has developed and mastered the production of high-efficient metal cored wire TMV5-MK for welding in a mixture of 82 % Ar + 18 % CO2. It was found that the metal cored wire provides a high stability of arc burning in a wide range of welding conditions. Using the solid wire Sv-08G2S in welding at the same modes in the optimum range, the value of stability of arc burning is 3 times lower as compared with the metal cored wire TMV5-MK. It is shown that the stability of welding process is significantly influenced by electrodynamic properties of the power source and this factor should be taken into account during evaluation of welding and technological properties of welding wires and working out of recommendations for their application. 8 Ref., 1 Table, 4 Figures.
Keywords: metal cored wire, solid wire, power source, stability of arc burning, short circuits

Received:                17.04.19
Published:               20.06.19


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