FIELD: metallurgy; deformation of metals.
SUBSTANCE: after feeding and securing the source material, the end bud and end tapering are formed simultaneously. The end tapering is formed with a heading plunger in a composite die. The end tapering is produced by rotating two deforming plungers in the direction opposite to the heading plunger acting direction.
EFFECT: increased product quality.
2 dwg, 1 ex
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