Roller taper defect treatment method for four-high rolling mill
A four-high rolling mill and roll technology, which is applied in metal rolling stands, metal rolling mill stands, metal rolling and other directions, can solve the problems of little research on roll taper, unable to achieve quantitative control, etc., to improve the accuracy and quality Effect
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Embodiment 1
[0029] exist figure 1 In the general calculation flow chart of the method for treating roll taper defects applicable to four-high rolling mills shown, first, in step (a), the collection of basic equipment parameters mainly includes the roll body length L of the upper back-up roll 1 =1450mm, length L of the upper working roll 2 =1450mm, length L of the lower working roll 3 =1450mm, the length L of the roller body of the lower support roller 4 =1450mm, roll diameter D of upper support roll 1 =1100mm, roll diameter D of the upper work roll 2 =500mm, roll diameter D of the lower work roll 3 =500mm, roll diameter D of the lower support roll 4 =1100mm, the roll shape distribution value D of the lower work roll after removing the conical defect 3yi ={499.9935,499.9947,499.9958,499.9968,499.9978,499.9987,499.9995,500.0002,500.0009,500.0015,500.0020,500.0024,500.0028,500.0031,500.0033,500.0035,500.0035,500.0035,500.0035,500.0033,500.0031,500.0028,500.0024,,500.0020 , 500.0015, 5...
Embodiment 2
[0046] First of all, in step (a), the collection of basic equipment parameters mainly includes the roll body length L of the upper support roll 1 =1450mm, length L of the upper working roll 2 =1450mm, length L of the lower working roll 3 =1450mm, the length L of the roller body of the lower support roller 4 =1450mm, roll diameter D of upper support roll 1 =1100mm, roll diameter D of the upper work roll 2 =500mm, roll diameter D of the lower work roll 3 =500mm, roll diameter D of the lower support roll 4 =1100mm, the roll shape distribution value D of the upper and lower work rolls after removing the tapered defects 2yi =D 3yi ={499.9935,499.9947,499.9958,499.9968,499.9978,499.9987,499.9995,500.0002,500.0009,500.0015,500.0020,500.0024,500.0028,500.0031,500.0033,500.0035,500.0035,500.0035,500.0035,500.0033,500.0031,500.0028,500.0024,,500.0020 , 500.0015, 500.0009, 500.0002, 499.9995, 499.9987, 499.9978, 499.9968, 499.9958, 499.9947, 499.9935} Upper work roll profile curve...
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