Roll profile curve design method for dual-frame four-roll leveling unit
A curved design, double-stand technology, applied in the direction of rolls, metal processing equipment, metal rolling, etc., can solve the problems of color difference, large roll consumption, etc.
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Embodiment 1
[0099] Embodiment 1: see image 3 , 4 ,
[0100] First, in step 1, collect the equipment characteristic parameters of the double-frame skin pass unit, mainly including: the first frame, the second frame working roll and support roll diameter D 1w =D 2w =500mm, D 1b =D 2b =1100mm, length L of working roll and backup roll w1 = L w2 = L b1 = L b2 =1250mm, working roll bending cylinder distance l 1 =l 2 =2300mm, press the screw central moment L 1 = L 2 =2300mm, maximum positive bending force S + 1max =S + 2max =1134kN, maximum negative bending force S - 1max =S - 2max =-1134kN, the maximum amount of positive inclination roll , the maximum amount of negative tilt roll , the maximum rolling force , maximum rolling speed , Work roll surface actual hardness K w =1200, the actual hardness of the support roller surface K b =1200;
[0101] Subsequently, in step 2, collect the typical specification product parameters of each variety specification range of str...
Embodiment 2
[0133] Example 2 : see Figure 5 — Figure 8 .
[0134] First, in step 1, collect the equipment characteristic parameters of the double-frame skin pass unit, mainly including: the first frame, the second frame working roll and support roll diameter D 1w =D 2w =450mm, D 1b =D 2b =1100mm, length L of working roll and backup roll w1 = L w2 = L b1 = L b2 =1450mm, working roll bending cylinder distance l 1 =l 2 =2400mm, press the screw central moment L 1 = L 2 =2400mm, maximum positive bending force S + 1max =S + 2max =800kN, maximum negative bending force S - 1max =S - 2max =-800kN, the maximum amount of forward tilting roll , the maximum amount of negative tilt roll , the maximum rolling force , maximum rolling speed , Work roll surface actual hardness K w =1100, the actual hardness of the support roller surface K b =1200;
[0135] Subsequently, in step 2, collect the typical specification product parameters of each variety specification range of s...
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