Continuous spiral motion system for rolling mills
US5970771A · kind A · utility
4Cited by
12References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Jul 10, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B2267/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A system and method for improving properties of a metal strip during rolling between rotating upper and lower work rolls in a mill stand, for reducing work roll edge wear, for improving distribution of thermal expansion of the work roll during rolling, for reducing required rolling torque for achieving a particular strip thickness reduction, and for increasing the tonnage of rolled strip between roll changes, by continuously shifting the rotating work rolls during rolling to impart a spiral motion to the work rolls, and by online grinding, heat rehardening and cooling of the work rolls outside the mill stand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.