Abstract
In Russia, as in other industrialized countries, is developing new welding technologies, which refers to the main methods of obtaining permanent connections in the manufacture of machine parts and structures. The possibilities of improving the quality of welded joints using the widespread in domestic and foreign production methods of DC arc welding are already largely exhausted. Tonsuring the possibility of controlling the melting capacity of the arc, welding at increased gaps, in various spatial positions, reducing the spraying of the electrode metal, increasing the stability of the arc and its combustion, reducing labor and saving material resources. Thus, there is a situation when it is necessary to conduct additional research in order to optimize the existing technology. The objective of the work: to study the capabilities of modes of pulsed arc welding and surfacing on the structure and properties of permanent joints during manual arc welding and surfacing with coated electrodes.
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