UNIVERSITY OF RUSE "ANGEL KANCHEV"
UNION OF SCIENTISTS - RUSE

Proceedings 2024
Faculty of Agricultural MechanisationBook 1.1 · Agricultural Engineering. Agricultural Science and Medicine. Repair and Reliability. Industrial Design. Thermotechnics, Hydro- and Pneumotechnics. Ecology and Environment Protection

FRI-1.202-1-MR-02

INVESTIGATION OF THE INFLUENCE OF THE DEPOSITION RATE ON THE ELECTRICAL PARAMETERS DURING VIBRO-ARC WELDING OF CAST IRON DETAILS IN ARGON

Language: BGPages: 52-58

Cite this paper

Prof. Mitko Nikolov, DSc

Department of Repair, Reliability, Mechanisms, Machines, Logistics and Chemical Technologies University of Ruse “Angel Kanchev”, Bulgaria

ORCID: 0000-0002-4883-5993

E-mail: mnikolov@uni-ruse.bg

Eng. Antoniy Antoniev, PhD

Department of Repair, Reliability, Mechanisms, Machines, Logistics and Chemical Technologies University of Ruse “Angel Kanchev”, Bulgaria

E-mail: antoniy_agro@abv.bg

Eng. Denis Yasharov, PhD

Department of Repair, Reliability, Mechanisms, Machines, Logistics and Chemical Technologies “Angel Kanchev” University of Ruse, Bulgaria

E-mail: dyasharov@uni-ruse.bg

Abstract

The research was carried out on a vibrating arc device for welding in shielding gases "ENTON-60" with an axisless inertial vibrator. The following criteria were used to evaluate the progress of the electric arc process and the formation of the vibro-welded coatings: short-circuit voltage, voltage at the beginning of arc burning, magnitude of the short-circuit current and magnitude of the current at the end of arc burning. It was found that an increase in the welding speed leads to an extreme change in the short-circuit and end-of-arc voltage, as well as the magnitude of the short-circuit and end-of-arc current, with minimum values of obtained at a welding speed of 0,92 m/min. At this speed, the difference in the magnitudes of the short-circuit current and the end of arc burning is at least 2 A for electrode wire Sv 08G2С, which is a prerequisite for a smaller degree of heating of the workpiece during restoration and spreading of the electrode material.

Keywords

Vibrating arc welding in argon, welding speed, electrical parameters

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