FIELD: plastic metal working, namely, cladding inner cylindrical surface of blanks for all branches of national economy where clad articles are used. SUBSTANCE: sleeve of cladding material is formed by successively setting separate rings in opening of blank with normalized gap. Fixation of each ring is performed by axially compressing it at conditions of initial flowing of material towards blank, pressing out part of its volume towards blank and subsequently pressing out part of its volume in direction opposite to direction of above-mentioned axial compression. EFFECT: enhanced efficiency. 7 dwg
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