FIELD: process engineering.
SUBSTANCE: invention may be used for surfacing flat metal part with surfaces subjected to abrasive wear. Plate electrode is made to follow configuration of padding on blank 2. Note here that substance 3 with low ionisation potential is applied on one of the surfaces of plate 1 to set the arc spontaneous displacement path in surfacing. Distance between adjacent sections is selected to exceed two lengths of the arc. Then, coating is applied on the plate for consumable electrodes, its thickness being equal to arc length. Said plate electrode is secured on padding of blank 2. Electrode is connected to one pole of current source 7 while blank is connected to opposite pole. Electric arc is fired to melt consumable electrode metal so that fused metal layer is formed.
EFFECT: higher efficiency.
3 dwg
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