Technology of Surfacing Gate-type Stamps with Energized Cored Wire

Abstract

The aim of this work is to improve the technology for surfacing of dies gate-type by filing a
de-energized cored wire in the head part of the weld pool. The composition of the de-energized
flux-cored wire may correspond to the composition of the electrode flux-cored wire.
Methodologically, the work is done in the following way: based on the analysis of literary sources and
industrial research studied technology and surfacing materials for surfacing of dies, hot metal treatment. This
allowed to identify the features of different technologies overlaying stamps. Analysis of the technologies of
spraying of wear-resistant materials has shown that they have both advantages and disadvantages. Based on
this, were cored wire of the system Cr-Mn-Mo-Ti and the technology of their application.
It is established that the use of the automatic welding under flux with the disconnected additive
in the form of flux-cored wire increases the odds of surfacing 55-69 %, reduces specific consumption of
flux at 23-25 % and specific energy consumptions, the share of base metal in the weld to 11...14 %,
increases the transition rates of the alloying elements by 25-40 % compared to one-electrode welding.