Invention Application
- Patent Title: ROLLING METHOD FOR FLAT PRODUCTS AND RELATIVE ROLLING LINE
- Patent Title (中): 平面产品和相关滚动线的滚动方法
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Application No.: US13703845Application Date: 2011-06-14
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Publication No.: US20130145807A1Publication Date: 2013-06-13
- Inventor: Gianpietro Benedetti , Paolo Bobig
- Applicant: Gianpietro Benedetti , Paolo Bobig
- Applicant Address: IT Buttrio
- Assignee: DANIELI & C. OFFICINE MECCANICHE SPA
- Current Assignee: DANIELI & C. OFFICINE MECCANICHE SPA
- Current Assignee Address: IT Buttrio
- Priority: ITUD2010A000115 20100614
- International Application: PCT/IB11/01322 WO 20110614
- Main IPC: B21B1/06
- IPC: B21B1/06

Abstract:
Rolling method for the production of flat products, such as metal strip, which provides a production step of a thin slab with a thickness comprised between 30 and 90 mm, preferably between 35 and 70 mm, a temperature maintenance and/or possible heating step of the slab to be sent for rolling, and a rolling step with multiple passes performed in a reversing rolling mill (14) comprising at least a reversing rolling stand (15), in which at least a winding reel furnace (16a) is also present upstream of the stand (15) and a winding reel furnace (16b) downstream of the stand (15), a winding step also being provided downstream of the rolling in at least a coiler (19a, 19b) to form a relative coil of strip of a defined weight, comprised between 20 and 30 tons, and a cooling step of the strip being provided between the reversing rolling mill (14) and said at least one coiler (19a, 19b). The method provides that the thin slab is disposed, for example, sheared to size, upstream of the maintenance and/or possible heating step in order to form a segment of slab having a length equivalent, in weight, greater than that of a coil, and that, already after the first rolling pass in the reversing rolling mill (14), the thickness of the segment of slab is reduced to a value in the range of 20-25 mm so as to render it windable on the reel furnace (16b) downstream of the stand (15).
Public/Granted literature
- US09126246B2 Rolling method for flat products and relative rolling line Public/Granted day:2015-09-08
Information query
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