KR19980043352U - Duckbill Coil Internal Calibrator - Google Patents
Duckbill Coil Internal Calibrator Download PDFInfo
- Publication number
- KR19980043352U KR19980043352U KR2019960056465U KR19960056465U KR19980043352U KR 19980043352 U KR19980043352 U KR 19980043352U KR 2019960056465 U KR2019960056465 U KR 2019960056465U KR 19960056465 U KR19960056465 U KR 19960056465U KR 19980043352 U KR19980043352 U KR 19980043352U
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- KR
- South Korea
- Prior art keywords
- links
- coil
- duckbill
- inner diameter
- link
- Prior art date
Links
- 241000405070 Percophidae Species 0.000 title claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/26—Special arrangements with regard to simultaneous or subsequent treatment of the material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
본 고안은 코일형으로 권취된 코일제품의 내경의 찌그러짐을 교정하여 진원에 가까운 상태로 교정함으로서 리코일이 용이하도록 한 짱구코일 내경교정장치에 관한 것으로, 짱구코일(5) 내표면에 접착부(18)(18')(19)(19')가 형성된 한조의 철편(2)(2')을 접착하여 고정하고, 높,낮이 조절이 가능한 지지부(14)속에 결속된 유압 실린더(13) 로드에는 링크(11)(11')가 각각 연결되며, 상기 링크(11)(11')에는 링크(6)(6')가 연결되고, 상기 링크(6)(6')의 중앙부를 서로 연결하여 회전가능하도록 하는 회전축(20)의 전후방측에는 링크에 고정된 이탈 방지턱(8)(8')(10)(10')이 각각 형성되며, 상기 링크(6)(6')의 전단에는 한조의 반원형 받침대(3)(3')를 고정하고, 리턴스프링(7)(7')이 링크를 접을 수 있도록 장착되며, 상기 회전축(20)의 외부측에는 테이퍼진 전단부를 형성하고 그 크기가 짱구코일(5)의 내경크기보다 크게 형성된 스토퍼(9)가 회전가능하도록 형성됨을 특징으로 한다.The present invention relates to a duckbill coil inner diameter correcting device for correcting the distortion of the inner diameter of the coiled product wound in a coil shape to facilitate the recoil by correcting the state close to the source, the duckbill coil (5) the adhesive portion 18 on the inner surface (18 ') (19) (19') is a group of iron pieces (2) (2 ') formed by bonding and fixing, and the hydraulic cylinder (13) rod bound in the support (14) height and height adjustable Links 11 and 11 'are connected to each other, and links 6 and 6' are connected to the links 11 and 11 ', and the central portions of the links 6 and 6' are connected to each other. Release stops 8, 8 ′, 10, 10 ′ fixed to the links are formed on the front and rear sides of the rotating shaft 20 to be rotatable, and a set of front ends of the links 6, 6 ′ are provided. The semi-circular pedestal (3) (3 ') is fixed, and return springs (7) (7') are mounted to fold the link, and the tapered shear is formed on the outer side of the rotating shaft (20) and its size Stopper 9 is formed larger than the inner diameter size of the duckbill coil (5) is characterized by a formed so as to be rotatable.
Description
본 고안은 코일형으로 권취된 코일제품의 내경의 찌그러짐을 교정하여 진원에 가까운 상태로 교정함으로서 리코일이 용이하도록 한 짱구코일 내경교정장치에 관한 것이다.The present invention relates to a duckbill coil inner diameter correction device to facilitate the recoil by correcting the distortion of the inner diameter of the coil product wound in a coil type to a state close to the source.
일반적으로 규소박판을 생산하여 그를 코일형으로 권취하는 경우에는 내경부에 릴마크(Reel Mark)를 방지할 목적으로 고무슬리브(Rubber Sleeve)를 텐션릴(Tension Reel)에 삽입한 후 권취하게 된다.In general, in the case of producing a silicon thin plate and winding it in a coil shape, a rubber sleeve is inserted into a tension reel in order to prevent a reel mark in the inner diameter portion thereof and then wound.
그러나, 이러한 박판 코일제품은 권취 작업시 장력(Tension)이 부적절하게 부여되거나 야드장에 안착되는 경우에 발생하는 충격으로 인하여 그 내경부가 타원형으로 찌그러지는 이른바, 짱구형 코일이 되어버리고, 이러한 짱구발생은 후고정에서 수요가의 요구에 맞게 폭, 중량별로 재권취하기 위한 되풀이 설비인 페이오프릴에 그 코일제품의 삽입을 곤란하게 하고, 따라서 많은 량에 제품이 스크랩(scrap)처리되는 문제와 함께 생산량 감소에 문제가 있었다.However, such thin coil products become so-called duckbill coils whose inner diameter is crushed in an elliptical shape due to the impact generated when the tension is improperly applied or when they are seated in the yard. It is difficult to insert the coil product into the pay-off reel, which is a recurring facility for rewinding by width and weight to meet the demand of the demand in post-fixing, and thus the product is scraped in large quantities. There was a problem with the decline.
종래에는 이러한 짱구진 코일제품을 페이오프릴에 삽입시키기 위해서, 천정 기중기로 권상후 코일카를 상승시켜 페이오프릴측으로 전진시켜 그 짱구진 코일제품을 페이오프릴에 삽입시킨 후 내경부와 페이오프릴와의 사이에 발생되는 공간부에는 다수개의 각목을 삽입시켜 작업하게 된다.Conventionally, in order to insert such a ball-shaped coil product into a pay-off reel, the coil car is lifted up with a overhead crane and then advanced to the pay-off reel to insert the ball-shaped coil product into the pay-off reel. In the space portion generated between and to work by inserting a plurality of squares.
그러나, 이러한 작업은 매우 불안정하여 짱구진 코일제품이 페이오프릴로부터 쉽게 삐져나오게 되며, 따라서 작업중 수시로 이러한 상태를 수정하여야 하는 번거로움이 발생되고, 이는 되감기작업의 생산성을 현저하게 저하시키는 문제점을 가지는 것이었다.However, this operation is very unstable, so that the ball-shaped coil products easily come out of the payoff reel, and thus, the trouble of having to correct this condition from time to time occurs, which has a problem of significantly lowering the productivity of the rewinding operation. Was.
본 고안은 이러한 종래의 문제점을 해소하기 위하여 안출된 것으로서, 그 목적은 짱구진 박판 코일제품을 되감기설비인 페이오프릴에 장착하기 용이하도록 짱구진 내경을 진원에 가깝도록 교정함으로서 되감기작업이 원활하게 이루어져 그 생산성을 향상시킬 수 있도록 된 짱구코일 내경교정장치를 제공함에 있다.The present invention has been devised to solve such a conventional problem, and its purpose is to smoothly rewind the inner diameter of the ball to close to the source so that it is easy to mount the ball-shaped coil products on the payoff reel. It is to provide a duckbill coil inner diameter correction device that can be made to improve the productivity.
도 1은 본 고안에 따른 짱구코일 내경교정장치를 이용하여 짱구코일의 내경을 교정하는 상태를 도시한 단면도1 is a cross-sectional view showing a state of calibrating the inner diameter of the duckbill coil using the duckbill coil diameter correction apparatus according to the present invention
도 2는 본 고안에 따른 짱구코일 내경교정장치를 도시한 사시도Figure 2 is a perspective view showing the duckbill coil bore correction device according to the present invention
도 3은 본 고안의 장치를 이용하여 짱구코일을 교정하고 페이오프릴에 장착하는 상태를 도시한 작동설명도이다.3 is an operation explanatory diagram showing a state in which the duckbill coil is corrected and mounted on the payoff reel using the device of the present invention.
*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
1 ... 페이오프릴(pay-off Reel)2,2' ... 철편1 ... pay-off reel 2,2 '... iron
3,3' ... 반원형 받침대4,4' ... 접촉부3,3 '... semicircular pedestal 4,4' ... contacts
5 ... 짱구코일6,6' ... 링크5 ... Duckbill Coils 6,6 '... Link
7,7' ... 리턴스프링8,8' ... 이탈방지턱7,7 '... return spring 8,8' ... release stop
9 ... 스토퍼10,10' ... 이탈방지턱9 ... Stopper 10,10 '... Breakaway jaw
11,11' ... 링크12,12' ... 유압라인11,11 '... Link 12,12' ... Hydraulic line
13 ... 유압실린더14 ... 지지부13 ... hydraulic cylinder 14 ... support
15 ... 코일카16 ... 유압실린더15 ... Coil Car 16 ... Hydraulic Cylinder
17 ... 결속홈18,18' ... 상부접착부17 ... binding groove 18,18 '...
19,19' ... 하부 접착부20 ... 회전축19,19 '... bottom adhesive 20 ... rotating shaft
21 ... 고정핀21 ... retaining pin
상기 목적을 달성하기 위한 기술적인 구성으로서, 본 고안은 짱구코일 내표면에 접착부가 형성된 한조의 철편을 접착하여 고정하고, 높, 낮이 조절이 가능한 지지부에 결속된 유압 실린더 로드에는 링크가 각각 연결되며, 상기 링크에는 링크가 연결되고, 상기 링크의 중앙부를 서로 연결하여 회전가능하도록 하는 회전축의 전후 방측에는 링크에 고정된 이탈 방지턱이 각각 형성되며, 상기 링크의 전단에는 한조의 반원형 받침대를 고정하고, 리턴스프링이 링크를 접을 수 있도록 장착되며, 상기 회전축의 외부측에는 테이퍼진 전단부를 형성하고 그 크기가 짱구코일 내경크기보다 크게 형성된 스토퍼가 회전가능하도록 형성됨을 특징으로 하는 짱구코일 내경교정장치를 마련함에 의한다.As a technical configuration for achieving the above object, the present invention is fixed by bonding a set of iron pieces formed with an adhesive portion on the inner surface of the duck-billed coil, the link is connected to the hydraulic cylinder rods that are coupled to the support portion that can adjust the height, day The link is connected to the link, and a separation prevention jaw fixed to the link is formed on the front and rear sides of the rotating shaft to connect the central portions of the link to each other, and a pair of semi-circular pedestals are fixed to the front end of the link. , The return spring is mounted to fold the link, the outer side of the rotating shaft to form a tapered shear portion, the size of the duckbill coil inner diameter calibration device, characterized in that the stopper formed larger than the size of the duckbill coil diameter is formed to be rotatable By
이하, 본 고안의 바람직한 일실시예를 첨부된 도면에 의하여 보다 상세하게 설명한다.Hereinafter, a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.
도 1은 본 고안에 따른 짱구코일 내경교정장치를 이용하여 짱구코일의 내경부를 교정하는 상태를 도시한 개략 구성도이고, 도 2는 본 고안에 따른 짱구코일 내경교정장치를 도시한 외관사시도로서, 일측 단부가 ㄱ자형으로 절곡된 복수개의 철편(2)(2')을 갖추며, 이 철편(2)(2')의 절곡부와 타측 단부에는 코일의 내표면과 일측 단부면에 접착될 수 있는 영구자석등으로 된 접착부(18)(18'), (19)(19')를 형성한다.1 is a schematic configuration diagram showing a state of calibrating the inner diameter of the duckbill coil using the duckbill coil bore correction apparatus according to the present invention, Figure 2 is an external perspective view showing the duckbill coil bore correction device according to the present invention One end is provided with a plurality of iron pieces (2) (2 ') bent in an L-shape, the bent portion and the other end of the iron pieces (2) (2') can be bonded to the inner surface and one end surface of the coil Adhesive portions 18, 18 ', 19, 19' made of permanent magnets or the like.
코일카(15) 일측 상부에는 상하로 결속홈(17)이 가공되며, 수평한 방향으로 동작하는 유압실린더(13)를 지지하는 지지부(14)가 상기 결속홈(17)에 회전가능하도록 끼워지며, 또한 상기 유압실린더(13)의 높, 낮이는 고정핀(21)에 의해 조절할 수 있도록 한다.A binding groove 17 is machined up and down on one side of the coil car 15, and a support 14 supporting the hydraulic cylinder 13 operating in a horizontal direction is rotatably inserted into the binding groove 17. In addition, the height, the lower of the hydraulic cylinder 13 to be adjusted by the fixing pin (21).
상기 유압 실린더(13)의 로드에는 그 로드에 일측 단부의 회전중심점을 둔 2개의 링크(11)(11')가 체결되며, 이러한 링크(11)(11')의 타측단부에는 또다른 링크(6)(6')의 일측 단부가 핀에 의해 회전가능하도록 체결된다.The rod of the hydraulic cylinder 13 is fastened to the rod two links 11, 11 'with the center of rotation of one end thereof, and the other end of the link 11, 11' is connected to another link ( 6) One end of 6 'is fastened rotatably by a pin.
복수개의 인장스프링(7)(7')이 링크(11)(11'), (6)(6')에 체결되어 서로를 멀어지는(즉, 접히는) 방향으로 탄성회전시키도록 장착된다.A plurality of tension springs 7, 7 ′ are fastened to the links 11, 11 ′, 6, 6 ′ so as to elastically rotate in a direction away from each other (ie, folding).
상기 링크(6)(6')의 중앙부를 서로 회전가능하도록 연결하는 회전축(20) 전, 후단에는 링크(11)(11')(6)(6')에 각각 고정된 이탈 방지턱(8)(8')(10)(10')이 갖추어진다.Release stop 8 fixed to the links 11, 11 ', 6 and 6' at the front and rear ends of the rotating shaft 20 for rotatably connecting the central portions of the links 6 and 6 'to each other. (8 ') (10) (10') are provided.
상기 회전축(20)의 외측에 회전가능하도록 끼워지고, 이탈 방지턱(8)(8')(10)(10') 사이에 위치하는 스토퍼(9)는 그 전단부가 짱구코일(5)의 일측단부에 끼워지도록 테이퍼를 형성하고 다른부분은 짱구코일의 내경크기보다 크게 형성된 대략의 원판형으로 이루어진다.The stopper 9 is rotatably fitted to the outer side of the rotation shaft 20 and positioned between the release preventing jaws 8, 8 ′, 10, 10 ′, and the front end of the stopper 9 has one side end of the duckbill coil 5. The taper is formed to fit in the other part, and the other part is formed in a roughly disc shape larger than the inner diameter of the duckbill coil.
상기 링크(6)(6') 전단부에는 반원형 받침대(3)(3')가 각각 고정되며, 상기 받침대(3)(3')의 중앙부에는 영구자적으로 성형시켜 만든 접촉부(4,4')가 각각 고정되도록 구성된다.Semicircular pedestals 3 and 3 'are respectively fixed to the front ends of the links 6 and 6', and contact portions 4 and 4 'formed by permanently molding the central portions of the pedestals 3 and 3'. Are fixed to each other.
이와 같이 구성된 본 고안의 작용에 대해서 설명한다.The operation of the present invention configured as described above will be described.
본 고안의 장치는 착탈식이며 먼저, 짱구진 박판코일(5) 내표면에 한조의 철편(2)(2')을 고정시키고, 이어서, 코일카(15)에 안착시킨 짱구코일(5)을 페이오프릴(1) 전단에 근접시켜 위치하게 한다.The device of the present invention is detachable, and first, a pair of iron pieces (2) (2 ') are fixed to the inner surface of the thin-walled thin coil (5), and then the feather-coil (5) seated on the coil car (15) is paid. The reel 1 is placed close to the front end.
계속하여 리턴 스프링(7)(7')에 의해 접혀진 링크(6)(6')전단에 결속된 반원형 받침대(3, 3')를 짱구코일(5)의 내측으로 끼우고, 스토퍼(9)는 짱구코일(5) 후단측 입구에 밀착 삽입시킨다.Subsequently, the semi-circular pedestals 3 and 3 'bound to the ends of the links 6 and 6' folded by the return springs 7 and 7 'are inserted into the cradle coil 5, and the stopper 9 Is inserted closely into the rear end inlet of the duckbill coil (5).
유압실린더(13)의 지지부(14) 높이를 조절한 후 고정핀(21)으로 고정시킨다.After adjusting the height of the support 14 of the hydraulic cylinder 13 is fixed with a fixing pin (21).
이와 같이 단계적으로 준비가 되면 상기 유압실린더(13)를 작동시켜 밀게되면 링크(11)(11')(6)(6')부는 벌어지게 되고, 상기 반원형 받침대(3)(3')는 회전축(20)을 지지점으로 하여 상,하로 벌어지면서 찌그러진 내경부를 원형으로 교정시키게 된다.When the stage is prepared in this manner, when the hydraulic cylinder 13 is operated and pushed, the links 11, 11 ′, 6, 6 ′ are opened, and the semi-circular pedestals 3, 3 ′ are rotating shafts. Using 20 as a support point, the inner diameter of the distorted inner portion is straightened while being opened up and down.
이때 스토퍼(9) 전단에 형성된 테이퍼 부분은 짱구코일(5)의 일측 단부측 내경부에 끼워져 링크(11)(11')전진을 방지하게 된다.At this time, the tapered portion formed at the front end of the stopper 9 is inserted into the inner diameter portion of one side end side of the duckbill coil 5 to prevent the link (11, 11 ') advance.
상기 리턴스프링(7)(7')은 링크(11)(11')(6)(6')를 쉽게 접히게 된다.The return springs 7, 7 ′ easily fold the links 11, 11 ′, 6, 6 ′.
상기 짱구코일(5) 전단에 위치한 페이오프릴(1)를 향해 코일카(15)를 전진시켜 삽입시키고 이어서 유압실린더(13)를 후진시키면 링크(11)(11')(6)(6')는 접혀짐과 동시에 내경부로 부터 빠져나가게 된다.The coil car 15 is inserted forward and inserted into the pay-off reel 1 located at the front end of the duckbill coil 5, and then the hydraulic cylinder 13 is reversed, and thus the links 11, 11 ', 6, 6' ) Is folded out of the inner diameter at the same time.
상기 코일카(15)로부터 본 장치를 취외시킨후 코일카(15)를 전진시켜 작업종료한다.After the device is removed from the coil car 15, the coil car 15 is advanced to complete the work.
상술한 바와같이 본 고안에 따른 짱구코일 내경교정장치에 의하면, 짱구코일 내경부에 끼워지는 반원형 받침대를 유압실린더와 링크에 의해 서로 벌어지게 하여 짱구코일의 내경부를 원형으로 교정함으로서, 짱구코일이 페이오프릴에 쉽게 삽입되도록 하여 되감기작업을 보다 안정적으로 또한 신속하게 수행하는 것에 의하여 설비의 가동효율을 향상시키고, 또한 스크랩 발생량을 감소시켜 생산성 향상에도 기여하는 효과가 있는 것이다.According to the duckbill inner diameter correction device according to the present invention as described above, by modifying the semi-circular pedestal to be inserted into the duckbill inner diameter by the hydraulic cylinder and the link to open the inner diameter of the duckbill coil in a circle, the duckbill coil is By easily inserting into the pay-off reel to perform the rewinding operation more stably and quickly, it is possible to improve the operation efficiency of the facility, and also to reduce the amount of scrap generated, thereby contributing to the improvement of productivity.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960056465U KR19980043352U (en) | 1996-12-24 | 1996-12-24 | Duckbill Coil Internal Calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960056465U KR19980043352U (en) | 1996-12-24 | 1996-12-24 | Duckbill Coil Internal Calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR19980043352U true KR19980043352U (en) | 1998-09-25 |
Family
ID=53995947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960056465U KR19980043352U (en) | 1996-12-24 | 1996-12-24 | Duckbill Coil Internal Calibrator |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR19980043352U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100815981B1 (en) | 2006-07-31 | 2008-03-21 | 주식회사 포스코 | Apparatus for correcting inside diameter of coil |
| KR100882105B1 (en) * | 2002-09-10 | 2009-02-06 | 주식회사 포스코 | An apparatus for preventing deformation from strip coil |
| KR100882093B1 (en) * | 2002-11-05 | 2009-02-10 | 주식회사 포스코 | An apparatus for guiding the top end of a coil inside diameter side |
| KR101036318B1 (en) * | 2008-12-24 | 2011-05-23 | 주식회사 포스코 | Restoring method for winding profile abnormality of hot rolled coils |
| KR101257392B1 (en) * | 2011-04-27 | 2013-04-23 | 현대제철 주식회사 | Apparatus for reducing deformation of strip coil |
| KR101420629B1 (en) * | 2013-08-14 | 2014-07-18 | 우원미 | Apparatus and method for prevention sagging of plate typr coil |
| KR101443075B1 (en) * | 2013-03-28 | 2014-09-22 | 현대제철 주식회사 | Apparatus for correcting strip coil |
| KR101516628B1 (en) * | 2014-01-27 | 2015-05-04 | 현대제철 주식회사 | Apparatus for correcting strip coil |
| KR101529183B1 (en) * | 2014-03-27 | 2015-06-17 | 현대제철 주식회사 | Apparatus for correcting shape of coil |
-
1996
- 1996-12-24 KR KR2019960056465U patent/KR19980043352U/en not_active Application Discontinuation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100882105B1 (en) * | 2002-09-10 | 2009-02-06 | 주식회사 포스코 | An apparatus for preventing deformation from strip coil |
| KR100882093B1 (en) * | 2002-11-05 | 2009-02-10 | 주식회사 포스코 | An apparatus for guiding the top end of a coil inside diameter side |
| KR100815981B1 (en) | 2006-07-31 | 2008-03-21 | 주식회사 포스코 | Apparatus for correcting inside diameter of coil |
| KR101036318B1 (en) * | 2008-12-24 | 2011-05-23 | 주식회사 포스코 | Restoring method for winding profile abnormality of hot rolled coils |
| KR101257392B1 (en) * | 2011-04-27 | 2013-04-23 | 현대제철 주식회사 | Apparatus for reducing deformation of strip coil |
| KR101443075B1 (en) * | 2013-03-28 | 2014-09-22 | 현대제철 주식회사 | Apparatus for correcting strip coil |
| KR101420629B1 (en) * | 2013-08-14 | 2014-07-18 | 우원미 | Apparatus and method for prevention sagging of plate typr coil |
| KR101516628B1 (en) * | 2014-01-27 | 2015-05-04 | 현대제철 주식회사 | Apparatus for correcting strip coil |
| KR101529183B1 (en) * | 2014-03-27 | 2015-06-17 | 현대제철 주식회사 | Apparatus for correcting shape of coil |
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