FIELD: technological processes.
SUBSTANCE: two-high stand contains bed plate with cover comprising drums with working rollers, upper guide bar and mechanism of its installation, lower guide bar installed in bar holder mounted in chair fixed in bed plate, mechanism of lower bar locking. Bar holder of lower bar is installed with the possibility of vertical displacement by means of two synchronously operating mechanisms and is equipped with mechanism for pressing of bar holder to chair. Every mechanism of lower bar holder vertical displacement is arranged in the form of transmission "screw-nut" mounted on chair, screw end of which interacts with lower plane of box-type bar holder. Mechanism of lower bar holder pressing to chair is arranged in the form of hydraulic cylinder, stem of which is hingedly connected to bar holder, and casing is rigidly fixed in chair.
EFFECT: expansion of rolled blanks assortment in single stand and higher quality of cartridges due to correction of external diameter size in process of rolling.
3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| LOWER LINER MOUNTING APPARATUS TO HELICAL ROLLING MILL | 2003 |
|
RU2282509C2 |
| TWO-HIGH OPERATING STAND OF HELICAL-ROLLING STAND ROLLING | 2007 |
|
RU2345852C2 |
| WORKING STAND OF CROSS-HELICAL MILL | 1992 |
|
RU2037349C1 |
| THREE-ROLL STAND OF MILL OF HELICAL ROLLING | 2007 |
|
RU2338607C1 |
| TWO-HIGH STAND OF HELICAL ROLLING MILL | 2002 |
|
RU2227071C2 |
| DEVICE FOR SUPPORTING UPPER BAR IN A STAND OF A HELICAL ROLLING MILL | 0 |
|
SU1710156A1 |
| WORKING STAND OF MILL FOR HELICAL ROLLING OF BODIES OF REVOLUTION | 1999 |
|
RU2165816C2 |
| WORKING STAND OF CROSS-HELICAL ROLLING MILL | 0 |
|
SU605651A1 |
| PIERCING MILL FOR HELICAL ROLLING | 2004 |
|
RU2280517C2 |
| 0 |
|
SU556853A1 |
