| 摘要 |
FIELD: apparatuses for deforming blanks by drawing it through working opening of tool. SUBSTANCE: working opening of tool is formed by part of deformed blank or by other blank or by several other blanks embracing one or several times drawn blank with the aid of loop-forming rollers and member for limiting mutual cross shift of engaging blanks. EFFECT: elimination of necessity of interrupting production process for changing worn tool or deformation value. 9 cl, 7 dwg |
