FIELD: rolled tube production. SUBSTANCE: builtup roll of a pilger mill for cold rolling of tubes has a shaft, mounted on two bearing assemblies and having a seat for changeable roll pass. A bearing part of the shaft, being removable, is in the form of an insert-segment. Bandages of a pinion connect the roll pass and the insert-segment with the shaft. The shaft with a cylindrical mean portion has flat portions, arranged between its journals for the bearing assemblies and the cylindrical portion at both sides and engaging with respective supporting surfaces of the insert-segment and of the changeable roll pass. EFFECT: enhanced structure of rolls. 1 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ROLLING MILL OF COLD-ROLLING MILL FOR PIPES ROLLING | 2009 |
|
RU2384376C1 |
| THREE-ROLL STAND OF COLD ROLLING MILL OF PIPES | 2018 |
|
RU2694440C1 |
| STAND FOR ASSEMBLY OF UNITS FROM LARGE-SIZE COMPONENTS | 1995 |
|
RU2099168C1 |
| AUTOMATIC TUBE ROLLING MILL | 1994 |
|
RU2084298C1 |
| WORKING STAND OF TUBE COLD ROLLING MILL | 1994 |
|
RU2086319C1 |
| MILL FOR ROLLING OUT RINGS | 1993 |
|
RU2042463C1 |
| TUBE COLD ROLLING MILL | 2000 |
|
RU2212964C2 |
| THREE-HIGH ROLLING STAND OF REDUCING MILL | 2000 |
|
RU2207197C2 |
| COMPOSITE FORMING ROLL | 2014 |
|
RU2561618C1 |
| ROLL CRUSHER ROLL | 1995 |
|
RU2093264C1 |
