SU716662A1 - Method of removing scale off strip surface - Google Patents
Method of removing scale off strip surface Download PDFInfo
- Publication number
- SU716662A1 SU716662A1 SU782612434A SU2612434A SU716662A1 SU 716662 A1 SU716662 A1 SU 716662A1 SU 782612434 A SU782612434 A SU 782612434A SU 2612434 A SU2612434 A SU 2612434A SU 716662 A1 SU716662 A1 SU 716662A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- strip
- rolls
- removing scale
- strip surface
- scale
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/06—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing of strip material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Description
. . .; .- Изобретение относитс к области ме та лургического производства, а именно к очистке от окалины поверхности метал йической полосы,. Известен способ удалени окалины с поверхности полосы/заключающийс в том, что полосу подвергают прбкатке-вопочениго в валках окалиноломател , врашагощихс с различной окружной скоростью ft . Недостатком способа вл етс то, что зачистка осуществл етс равномерно по всей ширине полосы, а окалина группируетс преимущественно у кромок полосы. Цель изобретени - повышение качества очистки путем более интенсивной очистки краевых участков полосы. Дл этого прокатку полосы осуществл ют в конусных валках с противополс Шь1)Й направлением их конусное гей. На чертеже изображень конусные валки с полосой. Дл реализации способа полосу обжи-. мают в валках окалиноломател , выпол йеннЫХ С кощгсностью 1:30-1:50. Прт этом в результате разной пластичности окалины и мёта ж1й Ш хеййт1ЕйййШгВй ние сло окалины. Вследствие конусности валкьв окружные скорости точек их поверхности разные. Например, дл валков : выполненньтх с конуснбстыо 1:4О, разность окружных скоростей точек верхнего и нижнего валка (аход щизсе в одном аёр тикальном сечении, увеличиваетс : от. с аредийы к краю валка от нул до 4 м/мий. В силу разности окружных скоростей валков на верхней и нижней поверхност х полосы бУдут возникать сдвиговые усили , благодар чему будет улучшатьс отделение частиц взломанной окалины от по вёрхности полосы. Вследствие нарастани разности сдвиговых усилий от середины к кромкам конусности валков отделение окалины, группирующейс по кромкам полосы, будет более эффективным. Использование изобретени позволит улучщнть качество металлической полосы . . ; .- The invention relates to the field of metallurgical production, namely to the descaling of the surface of the metal strip. A known method for removing scale from the surface of the strip / is that the strip is subjected to rolling-up in rolls of descalted gum, varying at different peripheral speeds ft. The disadvantage of this method is that the stripping is carried out evenly across the entire width of the strip, and the dross is grouped mainly at the edges of the strip. The purpose of the invention is to improve the quality of cleaning by more intensive cleaning of the edge sections of the strip. For this purpose, the strip is rolled in tapered rollers with counterplate Sh1) nd in the direction of their tapered gay. The drawing shows a tapered roll with a strip. For the implementation of the method, the band is calcined. wailing in the rolls of the descaler, made with bondedness 1: 30-1: 50. This is a result of the different plasticity of the scale and the metaphor of the air thickness of the scale. Due to the conicity of the rolls, the circumferential velocities of the points of their surface are different. For example, for rolls: 1: 4O made with conesnbsteo, the difference in circumferential speeds of the points of the upper and lower rolls (as shown in one section, increases: from. To the edge of the roll from zero to 4 m / mi. By virtue of the difference The speeds of the rolls on the upper and lower surfaces of the strip will result in shear forces, thereby improving the separation of the cracked scale particles from the top of the strip. Due to the increase in the difference in shear forces from the middle to the edges of the roll taper, the scale, groups of ruyuscheys edges of the strip, will be more effective. Use of the invention allows the quality of the metal strip uluchschnt
путем пювышени степени очистки ее огby puvysheni degree of purification of its og
ОКЙПЙЙЬГ.. Ф о р м у л а и 3 о б р в т е н и OKYPYGG .. Ф о рм ул а and 3 о б r in ten e
Способ уцапенв окалввы с поверхности полосы, включаюшнй прокатку Ь валках с развой окружной скоростью валков, от, л и ч а ю щ и и с тем, что с пельюThe method of cutting off the rolls from the surface of the strip, including rolling b rolls with a roll speed of peripheral rolls, from and with that
повышени качества очистки путем более интейсивной очистки краевых; участков полесы , осуществл ют прокатку полосы в конусных валках с противоположным нап равлением их конусностей.improving the quality of cleaning by more intensively cleaning the edge; portions of the woodland, the strip is rolled in tapered rollers with the opposite direction of their tapers.
Источники информации, пртн тые во внимание при экспертизеSources of information taken into account in the examination
1. Авторское свидетельство СССР № 560657, кл. В 21 В 45/06. 1.977.1. USSR author's certificate No. 560657, cl. B 21/45/06. 1.977.
КTO
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1-38-f-SU1-38-f-SU
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Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782612434A SU716662A1 (en) | 1978-05-04 | 1978-05-04 | Method of removing scale off strip surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782612434A SU716662A1 (en) | 1978-05-04 | 1978-05-04 | Method of removing scale off strip surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU716662A1 true SU716662A1 (en) | 1980-02-28 |
Family
ID=20763245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU782612434A SU716662A1 (en) | 1978-05-04 | 1978-05-04 | Method of removing scale off strip surface |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU716662A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831854A (en) * | 1986-01-07 | 1989-05-23 | Sms Schloemann-Siemag Aktiengesellschaft | Steel strip descaler |
| US4862570A (en) * | 1986-01-07 | 1989-09-05 | Sms Schloemann-Siemag Aktiengesellschaft | Apparatus for removal of scale from hot-rolled steel strip |
-
1978
- 1978-05-04 SU SU782612434A patent/SU716662A1/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831854A (en) * | 1986-01-07 | 1989-05-23 | Sms Schloemann-Siemag Aktiengesellschaft | Steel strip descaler |
| US4862570A (en) * | 1986-01-07 | 1989-09-05 | Sms Schloemann-Siemag Aktiengesellschaft | Apparatus for removal of scale from hot-rolled steel strip |
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