FIELD: tube production. SUBSTANCE: method of drawing tubes comprises steps of using a cylindrical fixed mandrel with annular grooves on its working surface, the grooves have width, equal to a value, given in a description of the invention. EFFECT: enhanced quality of tube inner surface. 1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF DRAWING TUBES ON CONE MANDREL | 1992 |
|
RU2014925C1 |
| TUBE DRAWING METHOD | 1992 |
|
RU2014923C1 |
| TUBE DRAWING METHOD | 1992 |
|
RU2030941C1 |
| TUBE DRAWING TOOL | 2000 |
|
RU2168381C1 |
| 0 |
|
SU1779422A1 | |
| TUBE PRODUCTION METHOD | 1991 |
|
RU2010640C1 |
| METHOD FOR LENGTHWISE ROLLING TUBES | 0 |
|
SU1801635A1 |
| TOOL FOR DRAWING STAR AND CROSS-SHAPED TUBES | 0 |
|
SU1268236A1 |
| MANDREL FOR MANUFACTURE OF PIPES | 0 |
|
SU1811931A1 |
| TUBE DRAWING METHOD | 0 |
|
SU1731331A1 |
