RU97104442A - METHOD FOR PRODUCING BENT PROFILES ON A SEMI-CONTINUOUS MILL - Google Patents

METHOD FOR PRODUCING BENT PROFILES ON A SEMI-CONTINUOUS MILL

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Publication number
RU97104442A
RU97104442A RU97104442/02A RU97104442A RU97104442A RU 97104442 A RU97104442 A RU 97104442A RU 97104442/02 A RU97104442/02 A RU 97104442/02A RU 97104442 A RU97104442 A RU 97104442A RU 97104442 A RU97104442 A RU 97104442A
Authority
RU
Russia
Prior art keywords
rolls
workpiece
pulling
semi
strip
Prior art date
Application number
RU97104442/02A
Other languages
Russian (ru)
Other versions
RU2107570C1 (en
Inventor
В.Г. Антипанов
М.Ф. Сафронов
В.Ф. Афанасьев
С.В. Кривоносов
Original Assignee
Акционерное общество "Магнитогорский металлургический комбинат"
Filing date
Publication date
Application filed by Акционерное общество "Магнитогорский металлургический комбинат" filed Critical Акционерное общество "Магнитогорский металлургический комбинат"
Priority to RU97104442A priority Critical patent/RU2107570C1/en
Priority claimed from RU97104442A external-priority patent/RU2107570C1/en
Application granted granted Critical
Publication of RU2107570C1 publication Critical patent/RU2107570C1/en
Publication of RU97104442A publication Critical patent/RU97104442A/en

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Claims (1)

Способ производства гнутых профилей на полунепрерывном стане, включающий порезку стальной полосовой заготовки и последовательную по проходам подгибку ее элементов валками с заданными величинами катающих диаметров, отличающийся тем, что перед первым формующим проходом среднюю по ширине часть полосы прорезают симметрично относительно продольной ее оси, а при последующем профилировании осуществляют разрыв надрезанной заготовки на полосы заданной длины тянущими усилиями формующих валков, при этом длина линии пореза составляет
Figure 00000001

где Bз и h - соответственно ширина и толщина заготовки, мм;
Bк - ширина участка контакта полосы с обоими валками тянущей клети, мм;
n - количество тянущих клетей;
D и d - катающие диаметры соответственно верхнего и нижнего валков этих клетей, мм;
σт и σв - соответственно величины пределов текучести и прочности материала заготовки, МПа.A method of manufacturing bent profiles in a semicontinuous mill, including cutting a steel strip billet and bending successively along its passages with rolls with predetermined rolling diameters, characterized in that before the first forming pass the middle part of the strip is cut symmetrically relative to its longitudinal axis, and in the subsequent profiling break the notched workpiece into strips of a given length by the pulling forces of the forming rolls, while the length of the cut line is
Figure 00000001

where B s and h are respectively the width and thickness of the workpiece, mm;
B to - the width of the contact area of the strip with both rolls of the pulling stand, mm;
n is the number of pulling stands;
D and d - rolling diameters of the upper and lower rolls of these stands, mm, respectively;
σ t and σ in - respectively, the yield strength and strength of the workpiece material, MPa.
RU97104442A 1997-03-19 1997-03-19 Process for producing roll-formed sections in semicontinuous mill RU2107570C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97104442A RU2107570C1 (en) 1997-03-19 1997-03-19 Process for producing roll-formed sections in semicontinuous mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97104442A RU2107570C1 (en) 1997-03-19 1997-03-19 Process for producing roll-formed sections in semicontinuous mill

Publications (2)

Publication Number Publication Date
RU2107570C1 RU2107570C1 (en) 1998-03-27
RU97104442A true RU97104442A (en) 1998-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU97104442A RU2107570C1 (en) 1997-03-19 1997-03-19 Process for producing roll-formed sections in semicontinuous mill

Country Status (1)

Country Link
RU (1) RU2107570C1 (en)

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