FIELD: rolled stock production, namely manufacture of hot rolled etched strip steel.
SUBSTANCE: method is used for coiling strip, mainly with width more than 1.0 m at increased diameter of coil while applying to strip preset tension value. At coiling steel with σB ≤ 400 N/mm2 tension value is set proportional to surface area of cross section of strip according to formula T = 75(h/2)0,34 + 10(B -1.05),kN where h - strip thickness, mm, B - strip width, m. At coiling strips strip with σB > 400 N/mm2 tension value is set according to formula T1 = (1.02 - 1.05)T.
EFFECT: improved efficiency of cold rolling mills, enhanced consumer' properties of cold rolled sheet steel due to improved quality of hot rolled blank.
2 ex
| Title | Year | Author | Number |
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