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2019 №04 (04) DOI of Article
2019 №04 (06)

The Paton Welding Journal 2019 #04
TPWJ, 2019, #4, 23-26 pages
Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       #4, 2019 (April)
Pages                      23-26

Calculation of characteristics of alternating transverse magnetic field, having effect on drop transfer in arc welding and surfacing

A.D. Razmyshlyaev1 and M.V. Ageeva2
1SHEI «Priazov State Technical University» 7 Universitetskaya Str., 87500, Mariupol, Ukraine. E-mail: razmyshljaev@gmail.com
2Donbass State Mechanical Academy 72 Akademicheskaya Str., 84413, Kramatorsk, Ukraine. E-mail: maryna_ah@ukr.net

It is shown that in submerged-arc surfacing with the effect of constant transverse magnetic field the coefficient of melting of electrode wires of 3–5 mm diameter is increased by 25–30 %. It is experimentally found that at the effect of an alternating field at unchanged level of a transverse component of induction, the effect of increase in the coefficient of melting depends on frequency of this field. With increase of the field frequency up to 10–20 Hz, the increment of the coefficient of melting decreases to zero values. A procedure was developed for determination of the minimum level of transverse component of field induction in the electrode drop zone, at which the drop is detached from a melting electrode end. It is shown that the effect of decreasing the coefficient of melting at increase in the field frequency is predetermined by the reduction in duration of pulses. The paper gives the calculated data, allowing determination of optimum values of induction and frequency of the alternating field, at which the coefficient of wire melting at submerged-arc surfacing (welding) is increased. 8 Ref., 4 Figures.
Keywords: arc surfacing (welding), transverse magnetic field, induction, electrode melting coefficient, frequency, calculation procedure

Received:                06.03.19
Published:               16.05.19


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