FIELD: process engineering.
SUBSTANCE: proposed method comprises multi-pass strip squeezing with reduction in final pass with working rolls, surface of ball of one said rolls has holes made thereon. Compensation of deformation contact asymmetry caused by holes available on one of said rolls and reduction in gradient influence of temperature resulted from contact interaction between rolls and strip are ensured by rolling, in final pass, with relative reduction of 10-20% at strip temperature of 780-950°C and mismatch between speeds of rolls equal to 1.1-3.2%. Note here that hole depth makes 1.2-4.5 mm.
EFFECT: reduced wear of working rolls, higher quality of hot-rolled strip.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MAKING STRIPS WITH ONE-SIDE LENTICULAR CORRUGATION | 2012 |
|
RU2482930C1 |
| METHOD OF PRODUCING STEEL HOT-ROLLED STRIPS | 2010 |
|
RU2455089C1 |
| ROLL ASSEMBLY | 1997 |
|
RU2121402C1 |
| PLATE ROLLING METHOD | 2010 |
|
RU2441721C1 |
| METHOD OF HOT ROLLING OF STRIP IN WIDE-STRIP MILL | 0 |
|
SU1659141A1 |
| ROLL FOR STRIP ROLLING MILL | 0 |
|
SU1398938A1 |
| SETS OF WORKROLLS FOR FINISH GROUP OF QUARTO PLATE ROLLING MILL AND METHOD FOR PREPARING AND USING SETS OF WORKROLLS OF FINISH GROUP OF QUARTO PLATE ROLLING MILL DURING CAMPAIGN | 0 |
|
SU1678473A1 |
| ROLLING ROLL | 0 |
|
SU774631A1 |
| METHOD OF PRODUCING ROLLED SHEET | 2010 |
|
RU2427434C1 |
| STRIP HOT ROLLING | 2012 |
|
RU2499638C1 |
