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METHOD AND CASTING-ROLLING COMPLEX FOR PRODUCTION OF FOIL FROM NONFERROUS METALS AND ALLOYS

机译:从有色金属和合金生产箔的方法和铸轧复合物

摘要

FIELD: process engineering.;SUBSTANCE: invention relates to metallurgy. Proposed method comprises producing hot-rolled billets with thickness of (120…180)h1 in combining continuous casting and rolling, billet cold rerolling into intermediate strip plate, foil rolling to final thickness in three stage. In first stage, foil is rolled to thickness (3…5)h1, to (1.5…3)h1 in second stage and to (0.7…1.5)h1 in third stage, where h1 is final thickness of foil. Mill rolls of proposed complex are grooved, bottom roll being grooved along complex curve that includes flat parabola at roll center and steep parabola on its edges. Note here that shaped part of grooved roll has flanges on both sides that allows cutting edges at rerolling section to intermediate strip plate to edge width Δb=R/30, where Δb is the edge width on each side, mm; R is the roll radius, mm.;EFFECT: high precision of rolling reduced losses in edge cutting.;4 cl, 8 dwg
机译:技术领域本发明涉及冶金学。提出的方法包括:通过连续铸造和轧制相结合的方法生产厚度为(120…180)h 1 的热轧钢坯;将钢坯冷轧至中间带钢板;将铝箔分三阶段轧制至最终厚度。在第一阶段中,将金属箔轧制成厚度(3…5)h 1 ,在第二阶段中将其轧制至(1.5…3)h 1 厚度至(0.7…1.5)h 1 在第三阶段,其中h 1 是箔的最终厚度。所提议的复合材料的轧机辊是开槽的,底部轧辊是沿着复杂曲线开槽的,该复杂曲线在辊中心包括平抛物线,在其边缘包括陡峭的抛物线。此处应注意,开槽辊的成形部分在两侧均具有凸缘,该凸缘允许将再轧段的切削刃切至中间带材,直至边缘宽度Δb= R / 30,其中Δb为每侧的边缘宽度,mm; R是轧制半径,mm .;效果:高精度轧制减少了切边时的损耗。; 4 cl,8 dwg

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