E-shaped silicon steel sheet and rolling method therefor
A technology of silicon steel sheet and rolling force, applied in the field of silicon steel sheet, E-type silicon steel sheet and its rolling, can solve the problem that it cannot meet the increasingly high requirements of the stator of wind turbines, and can not make good use of materials and silicon steel sheets. The problem of high iron loss value can achieve good economic and social benefits, improve magnetic properties, and reduce iron loss value.
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[0020] See figure 1 , The present invention relates to an E-type silicon steel sheet, which comprises a silicon steel sheet body 1, an E-shaped silicon steel sheet body 1, and the chemical composition of the silicon steel sheet: C 0.04~0.05wt%, Si 3.20~3.80wt%, Mn 0.06 ~0.07wt%, P 0.010~0.017wt%, S 0.004~0.005wt%, Sn 0.08~0.128wt%, Cu 0.10~0.15wt%, Al 0.05~0.06wt%, the rest is Fe.
[0021] A rolling method of E-type silicon steel sheet, the rolling steps of the method are:
[0022] 1) The first pass rolling:
[0023] The silicon steel sheet to be rolled is rolled at room temperature for the first pass using a 16-high rolling mill. The mechanical parameters of the first pass are: the left tension is 1.665~1.865KN, the right tension is 2.156~2.356KN, The rolling force is 293.920~303.920KN, and the thickness of the silicon steel sheet after the first pass is 0.075~0.095mm;
[0024] 2) The second pass rolling:
[0025] The silicon steel sheet after the first pass is rolled at room temper...
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