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    • 1. 发明申请
    • ROLLING METHOD FOR FLAT PRODUCTS AND RELATIVE ROLLING LINE
    • 平面产品和相关滚动线的滚动方法
    • WO2011158091A2
    • 2011-12-22
    • PCT/IB2011/001322
    • 2011-06-14
    • DANIELI & C. OFFICINE MECCANICHE SPABENEDETTI, GianpietroBOBIG, Paolo
    • BENEDETTI, GianpietroBOBIG, Paolo
    • B21B1/46
    • B21B1/06B21B1/26B21B1/466B21B13/22B21B2261/04B21B2261/12B21B2261/18B21B2265/14
    • 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).
    • 制造扁平制品如金属带的轧制方法,其提供厚度在30至90mm之间,优选35至70mm的薄板坯的生产步骤,温度维持和/或可能的加热步骤 轧制的板坯和在包括至少一个反向轧制机架(15)的可逆轧机(14)中进行多次轧制的轧制步骤,其中至少一个绕组炉膛(16a)也存在于上游 在支架(15)下游的卷绕筒炉(16b)的卷绕步骤中,在至少一个卷取机(19a,19b)中,在轧制的下游设置卷绕步骤,以形成一条 包括20至30吨的限定重量,并且所述条的冷却步骤设置在所述可逆轧机(14)和所述至少一个卷取机(19a,19b)之间。 该方法提供了薄板坯例如在维护和/或可能的加热步骤的上游被设置为例如剪切尺寸,以便形成长度等于线圈重量的长度的片段, 并且在反转轧机(14)中已经经过第一次轧制之后,将板坯的厚度减小到20-25mm的范围内的值,使其在卷筒炉(16b)上卷绕 )在支架(15)的下游。
    • 5. 发明申请
    • ROLLING METHOD FOR FLAT PRODUCTS AND RELATIVE ROLLING LINE
    • 平面产品和相关滚动线的滚动方法
    • WO2011158091A3
    • 2012-02-16
    • PCT/IB2011001322
    • 2011-06-14
    • DANIELI OFF MECCBENEDETTI GIANPIETROBOBIG PAOLO
    • BENEDETTI GIANPIETROBOBIG PAOLO
    • B21B1/46
    • B21B1/06B21B1/26B21B1/466B21B13/22B21B2261/04B21B2261/12B21B2261/18B21B2265/14
    • 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).
    • 制造扁平制品如金属带的轧制方法,其提供厚度在30至90mm之间,优选35至70mm的薄板坯的生产步骤,温度维持和/或可能的加热步骤 待送出的板坯,以及至少包括反转轧制机架(15)的反转轧机(14)中进行多次轧制的轧制步骤,其中至少一个绕组炉膛(16a)也存在于上游 (15)的下游卷绕炉(16b),在至少一个卷取机(19a,19b)中的轧制下游设置卷绕步骤,以形成一条 包括20至30吨的限定重量,并且所述条的冷却步骤设置在所述可逆轧机(14)和所述至少一个卷取机(19a,19b)之间。 该方法提供了薄板坯例如在维护和/或可能的加热步骤的上游被设置为例如剪切尺寸,以便形成长度等于线圈重量的长度的片段, 并且在反转轧机(14)中已经经过第一次轧制之后,将板坯的厚度减小到20-25mm的范围内的值,使其在卷筒炉(16b)上卷绕 )在支架(15)的下游。