FIELD: tube drawing. SUBSTANCE: method comprises steps of drawing tube in a cone drawing die on a secured cone mandrel, whose small base is turned to a drawing process direction; using the mandrel with an inclination angle of its generatrix by 5-15% less, than a friction angle along contact surface of the tube and the mandrel. EFFECT: enhanced efficiency. 1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF TUBES DOWING | 0 |
|
SU1722644A1 |
| TUBE PRODUCTION METHOD | 1991 |
|
RU2010637C1 |
| MANDREL FOR MANUFACTURE OF PIPES | 0 |
|
SU1811931A1 |
| METHOD OF MANUFACTURING BEVELLED PIPES WITH CONSTANT INTERNAL DIAMETER | 0 |
|
SU1761352A1 |
| METHOD FOR LENGTHWISE ROLLING TUBES | 0 |
|
SU1801635A1 |
| DRAWING MILL FOR MANUFACTURING ELONGATE TUBES, PREFERABLY CAPILLARY TUBES | 1991 |
|
RU2030940C1 |
| MANDREL FOR DRAWING TUBES | 0 |
|
SU1424903A1 |
| METHOD FOR DRAWING PIPE ON SHORT MANDREL | 0 |
|
SU1637894A1 |
| APPARATUS FOR DRAWING METALLIC TUBE WITH WALL THICKNESS VARIABLE ALONG DRAWN TUBE | 1994 |
|
RU2089309C1 |
| APPARATUS FOR PIPES DRAWING | 0 |
|
SU1821260A1 |
