Six-roller five-rack cold continuous rolling one-time cold rolling process for common oriented silicon steel
A five-stand cold rolling, oriented silicon steel technology, applied in the direction of manufacturing tools, metal rolling, metal rolling, etc., can solve the problems of reducing magnetism, reducing eddy current loss, increasing resistivity, etc., to prevent the reduction of product magnetization Effect
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Embodiment 1
[0044]In this embodiment, the six-high five-stand continuous cold rolling process of ordinary oriented silicon steel is completed in the combined unit of pickling and rolling mills. Hot rolled raw coil: C: 0.039wt%; Si: 3.15wt%; Mn: 0.18wt%; P: 0.021wt%; S: 0.008wt%; Als: 0.015wt%; N: 0.009wt%; wt%; Ti: 0.012wt%, the rest is Fe and unavoidable impurities; the thickness of the hot-rolled raw material is 2.3mm; after one cold-rolling is completed, the post-process is carried out according to the routine, and the performance of the finished product can meet the standard.
Embodiment 2
[0046] In this embodiment, the six-high five-stand continuous cold rolling process of ordinary oriented silicon steel is completed in the combined unit of pickling and rolling mills. Hot rolled raw coil: C: 0.035wt%; Si: 3.23wt%; Mn: 0.20wt%; P: 0.022wt%; S: 0.007wt%; Als: 0.017wt%; N: 0.011wt%; wt%; Ti: 0.009wt%, the rest is Fe and unavoidable impurities; the thickness of the hot-rolled raw material is 2.5mm; after one cold-rolling is completed, the post-process is carried out according to the routine, and the performance of the finished product can meet the standard.
[0047] The hot-rolled raw coils of cold-rolled ordinary oriented silicon steel are completed in the combined unit of pickling mill by six-roller five-stand cold tandem cold rolling once cold rolling process. The process flow of the pickling and rolling mill combined unit is: decoiling→head and tail cutting→welding→tension leveling→pickling→edge trimming→deburring→rolling→shearing→coiling→weighing→baling→storag...
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