STRAIGHTENING DIE SET Russian patent published in 2003 - IPC

FIELD: plastic metal working of articles. SUBSTANCE: die set has in zone of arranging tail portion of article assembly including collet chuck embracing end portion of article and engaging along outer cone portion with bushing placed in lower block. Bushing and collet chuck are spring-loaded by means of elastic plates. At straightening article bushing controls necessary arrangement of collet chuck along height and provides reliable gripping of end portion of article and normal position of collet chuck relative to flange or box-shaped part of article. EFFECT: enhanced quality of article due to possibility for rigid fixation of its tail portion. 2 dwg