FIELD: working of metal. SUBSTANCE: method involves deformation of hollow billet in die pass by means of driven rollers of rotating casing. Operating profile of die and roller shape are chosen such that counteraction to motion of deformed metal in the zones of contact is minimum. EFFECT: increased efficiency of method and high quality of tubes and enclosures. 4 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LARGE-DIAMETER TUBE AND ENCLOSURE MANUFACTURING METHOD | 1992 |
|
RU2030935C1 |
| APPARATUS FOR EXPANDING HOLLOW ARTICLES | 1995 |
|
RU2104114C1 |
| METHOD FOR DEFORMING END PORTION OF TUBE AND APPARATUS FOR PERFORMING THE SAME | 1994 |
|
RU2104111C1 |
| METHOD FOR SHAPING END PORTION OF TUBE | 1994 |
|
RU2104112C1 |
| SPINNING MACHINE | 1995 |
|
RU2093290C1 |
| METHOD FOR DEFORMING END PORTION OF WELDED TUBE | 1994 |
|
RU2104113C1 |
| AUTOMATIC MACHINE FOR EXPANDING RINGS AND METHOD FOR MAKING BANDAGES | 1998 |
|
RU2139163C1 |
| METHOD OF SCREW ROLLING OF ROUND SHAPE BLANKS | 1992 |
|
RU2009736C1 |
| METHOD FOR FIN FORMING OF ARTICLES WITH SINGLE-SIDE PERIODICITY OF ITS CONTOUR | 1996 |
|
RU2111823C1 |
| METHOD OF MAKING HOLLOW METALLIC TANKS | 1994 |
|
RU2074038C1 |
