Method for improving strip threading stability of hot continuous rolling thin-specification strip steel

The invention relates to the field of metal material processing, discloses a method for improving the threading stability of hot continuous rolling thin-specification strip steel, and aims at solving the problem that the rejection rate is high in the threading process of the thin-specification strip...

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Bibliographic Details
Main Authors YANG LIQING, RAO JING, DENG HANGZHOU, SHANG CUNLIANG
Format Patent
LanguageChinese
English
Published 06.05.2022
Subjects
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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Summary:The invention relates to the field of metal material processing, discloses a method for improving the threading stability of hot continuous rolling thin-specification strip steel, and aims at solving the problem that the rejection rate is high in the threading process of the thin-specification strip steel in the prior art, the following scheme is provided: step 1, the finish rolling starting temperature FT0 is controlled to be 1090-1130 DEG C, and the finish rolling finishing temperature FT7 is controlled to be 900-920 DEG C; step 2, setting load distribution coefficients, namely accurately setting the load distribution coefficients of the racks F1-F7 respectively; thirdly, the adjusting speed of the automatic thickness adjusting device AGC is set, and the speed of the automatic thickness adjusting device AGC is adjusted to range from 0.8 mm/s to 1.0 mm/s; step 4, setting the tension of the loop between the racks F1-F7: setting the tension of the loop between the racks F1-F7; and fifthly, the positions of fin
Bibliography:Application Number: CN202210070843