FIELD: contact welding and buildup, namely, method for determining wear of roller electrode during electro-contact buildup.
SUBSTANCE: in accordance to method, onto cylindrical sample by means of unworn electrode roller with use of admixture wire, shaft of metal cover is welded which is imprint of working surface of unworn electrode roller. Elongation of admixture wire is determined and its relatively axial deformation is determined. Onto same sample by worn roller electrode, shaft of metal cover is welded and elongation and relative deformation of admixture wire is determined values of relative axial deformations are determined and wear of roller electrode is determined.
EFFECT: increased precision of wear determining and simultaneously simplified measuring process.
4 dwg, 2 ex
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