Differential-thickness rolling method for medium-thickness plate
A technology for steel plates and flat plates, applied in the field of medium and heavy plate production in the metallurgical industry, can solve problems such as uneven deformation and insufficient compression ratio, reduce rolling passes, increase reduction rate, and promote deformation to penetrate into the core of the rolled piece. Effect
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[0013] The present invention is further illustrated below with reference to the accompanying drawings.
[0014] Refer to the attachment Figure 1-2 A medium-thick plate differential rolling method, the difference between the difference is an even number, and the first second time of the differential rolling is gradually increased, and the first second rolling of the difference is thick. The thickness of the steel sheet has different thicknesses, and the upper surface has a certain slope, the second time having a thickness of the thickness is biting the difference, the second second pass of the difference is also the same as the pressure reduction rate. , The upper surface has a slope of the steel sheet rolled into a flat panel consistent in the longitudinal direction, and is pushed until the last path of the differenced rolling.
[0015] In the present embodiment, the rolling mill uses a single frame reversible rolling mill, rolling steel species: Q550, and the above-grade steel pl...
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