KR20040020388A - liner exchange system for Rolling mill - Google Patents

liner exchange system for Rolling mill Download PDF

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Publication number
KR20040020388A
KR20040020388A KR1020020051987A KR20020051987A KR20040020388A KR 20040020388 A KR20040020388 A KR 20040020388A KR 1020020051987 A KR1020020051987 A KR 1020020051987A KR 20020051987 A KR20020051987 A KR 20020051987A KR 20040020388 A KR20040020388 A KR 20040020388A
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KR
South Korea
Prior art keywords
liner
moving member
stand
pinion gear
moving
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KR1020020051987A
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Korean (ko)
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KR100883491B1 (en
Inventor
유환진
임시우
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주식회사 포스코
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Priority to KR1020020051987A priority Critical patent/KR100883491B1/en
Publication of KR20040020388A publication Critical patent/KR20040020388A/en
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Publication of KR100883491B1 publication Critical patent/KR100883491B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
    • B21B31/30—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by wedges or their equivalent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

PURPOSE: An apparatus for exchanging liner for rolling mill is provided which not only protects workers from safety accident, but also reduces working hours so that the rolling mill is effectively operated by promptly and simply performing exchange operation of a liner inserted into a stand. CONSTITUTION: The apparatus comprises a pair of idle rolls(10) respectively installed on both surfaces of a stand(1) for supporting rolling rolls; a moving member(12) rested on an upper surface of the idle rolls; a moving cylinder(15) connected to one end part of the moving member to move the moving member; a loading member(16) which is rotated in the state that the loading member is rested on an upper surface of the moving member, and in which a plural insertion holes(18) for storing liner(4) are formed; and an insertion cylinder(19) installed at one side of the loading member to insert the liner into the stand by drawing out the liner stored in the loading member, wherein the apparatus further comprises first pinion gear(11) formed on the outer circumferential surface of the idle rolls, first rack gear(13) formed on the bottom of the moving member so that the first rack gear is engaged with the first pinion gear, second rack gear(14) formed on an upper surface of the moving member, and second pinion gear(17) formed on the outer circumferential surface of the loading member so that the second pinion gear is engaged with the second rack gear.

Description

압연기용 라이너 교환장치{liner exchange system for Rolling mill}Liner exchange device for rolling mills {liner exchange system for Rolling mill}

본 발명은 압연기용 라이너 교환장치에 관한 것으로서, 더욱 상세하게는 압연롤의 직경이 변경됨에 따라서 상기 압연롤 사이의 간격을 조절하기 위하여 스탠드의 내부에 삽입되는 라이너의 삽입작업을 신속하고 간편하게 수행할 수 있는 압연기용 라이너 교환장치에 관한 것이다.The present invention relates to a liner exchange device for a rolling mill, and more particularly, to quickly and easily insert a liner inserted into the stand in order to adjust the gap between the rolling rolls as the diameter of the rolling roll is changed. The present invention relates to a liner changer for rolling mills.

일반적으로 소정의 두께와 폭을 갖는 강판을 생산할 때에는 도 1에 나타낸 바와 같이 스탠드(1)의 내부에 소정의 간격이 유지된 상태로 회전되는 압연롤(2)의 사이로 소재를 통과시키고 있으며, 상기 압연롤(2)은 연속적인 작업으로 인하여 직경이 변경되므로 이때에는 압연롤(2) 사이의 간격을 일정하게 유지하기 위하여 상기 압연롤(2)을 지지하는 스탠드(1)의 상부에 변경된 압연롤(2)의 직경에 해당하는 크기를 갖는 라이너(4)를 삽입하고 있다.In general, when producing a steel sheet having a predetermined thickness and width, as shown in Figure 1, the material is passed between the rolling roll 2 is rotated in a state where a predetermined interval is maintained inside the stand (1), Since the rolling roll 2 is changed in diameter due to the continuous operation, at this time, the changed rolling roll on the top of the stand 1 supporting the rolling roll 2 in order to keep the gap between the rolling rolls 2 constant. A liner 4 having a size corresponding to the diameter of (2) is inserted.

상기 라이너(4)는 도 2에 나타낸 바와 같이 크기는 동일하고 두께가 다른 복수개를 구비하여 직경의 변경된 양에 따라서 라이너(4)를 선택적으로 삽입하고 있으며 상기 라이너(4)를 삽입할 때에는 도 3에 나타낸 바와 같이 스탠드(1)의 상부에 설치되어 롤 쵸크(3)를 가압하는 프레스블럭(5)과 상기 압연롤(2)을 지지하는 롤 쵸크(3)의 사이에 삽입되는 것으로서, 상기 라이너(4)의 교환 작업을 작업자가 수작업으로 수행하고 있다.As shown in FIG. 2, the liner 4 includes a plurality of the same size and different thicknesses to selectively insert the liner 4 according to a changed amount of diameter, and when the liner 4 is inserted, FIG. 3. As shown in FIG. 3, the liner is inserted between the press block 5 for pressing the roll choke 3 and the roll choke 3 for supporting the rolling roll 2 as shown in the upper part of the stand 1. The worker performs the replacement work of (4) manually.

그러나 이러한 종래의 방법은 작업자가 수작업으로 라이너(4)의 교환작업을 수행하게 되므로 작업시간이 과다하게 소요되었음은 물론 작업자의 부주의로 인한 안전사고가 발생되는 등의 문제점이 있었다.However, in the conventional method, since the operator performs the replacement of the liner 4 by hand, the work time is excessively consumed and there is a problem such that a safety accident occurs due to the carelessness of the operator.

본 발명은 상기한 문제점 해결하기 위하여 발명한 것으로서, 그 목적은 압연롤 사이의 간격을 일정하게 유지하도록 상기 압연롤을 지지하는 스탠드의 내부에 삽입되는 라이너의 교체작업을 신속하고 간편하게 수행하여 안전사고로부터 작업자를 보호함은 물론 작업시간을 단축하여 압연기를 효과적으로 작동시킬 수 있는 압연기용 라이너 교환장치를 제공함에 있다.The present invention has been invented to solve the above problems, the object is to safely and quickly perform the replacement of the liner inserted into the interior of the stand supporting the rolling rolls to maintain a constant gap between the rolling rolls It is to provide a liner exchange device for a rolling mill that can effectively operate the rolling mill by protecting workers from the work as well as shortening the working time.

도 1은 일반적인 압연기를 나타낸 사시도.1 is a perspective view showing a typical rolling mill.

도 2는 종래의 라이너가 압연기에 삽입된 상태를 나타낸 단면도.Figure 2 is a cross-sectional view showing a state where a conventional liner is inserted into the rolling mill.

도 3은 종래의 라이너를 나타낸 사시도.3 is a perspective view showing a conventional liner.

도 4는 본 발명에 따른 라이너 교환장치를 나타낸 사시도.4 is a perspective view showing a liner exchange device according to the present invention.

도 5는 본 발명에 따른 라이너 교환장치를 나타낸 단면도.5 is a cross-sectional view showing a liner exchange device according to the present invention.

도 6 및 도 7은 본 발명에 따른 라이너 교환장치의 사용상태 단면도.6 and 7 are cross-sectional view of the state of use of the liner exchanger according to the present invention.

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

1 : 스탠드2 : 압연롤1 Stand 2 Rolling Roll

4 : 라이너10 : 아이들롤4: liner 10: idle roll

11 : 제1피니언기어12 : 이동부재11: first pinion gear 12: moving member

13 : 제1랙기어14 : 제2랙기어13: first rack gear 14: second rack gear

15 : 이동실린더16 : 적재부재15: moving cylinder 16: loading member

17 : 제2피니언기어18 : 삽입공17: second pinion gear 18: insertion hole

19 : 삽입실린더19: insertion cylinder

상기 목적을 달성하기 위한 본 발명의 특징적인 구성을 설명하면 다음과 같다.Referring to the characteristic configuration of the present invention for achieving the above object is as follows.

본 발명의 압연기용 라이너 교환장치는 압연롤을 지지하는 스탠드의 양측면에 각각 설치된 한 쌍의 아이들롤과, 상기 아이들롤의 상면에 안착된 이동부재와, 상기 이동부재를 이동시키도록 그 이동부재의 일단부에 연결된 이동실린더와, 상기 이동부재의 상면에 안착된 상태로 회전되고 내부에는 라이너를 보관하도록 복수개의 삽입공이 형성된 적재부재와, 상기 적재부재에 보관된 라이너를 인출하여 스탠드의 내부로 삽입시키도록 적재부재의 일측에 설치된 삽입실린더를 포함하여서 된 것이다.The liner changer for a rolling mill of the present invention includes a pair of idle rolls respectively provided on both sides of a stand supporting a rolling roll, a movable member seated on an upper surface of the idle roll, and a movable member to move the movable member. A moving cylinder connected to one end, a rotating member seated on an upper surface of the moving member and having a plurality of insertion holes formed therein to store a liner therein, and drawing out a liner stored in the loading member to be inserted into the stand. It is to include an insertion cylinder installed on one side of the loading member to.

이와 같은 특징을 갖는 본 발명을 상세하게 설명하면 다음과 같다.Referring to the present invention having such characteristics in detail as follows.

도 4는 본 발명에 따른 라이너 교환장치를 나타낸 사시도이고, 도 5는 본 발명에 따른 라이너 교환장치를 나타낸 단면도이다.4 is a perspective view showing a liner changer according to the present invention, Figure 5 is a cross-sectional view showing a liner changer according to the present invention.

여기에서 참조되는 바와 같이 본 발명은 스탠드(1)의 양측면에 한 쌍의 아이들롤(10)이 각각 회전 가능하게 설치되어 있고, 그 아이드롤(10)의 상면에는 이동부재(12)가 안착되어 있으며 상기 이동부재(12)의 일측면에는 상기 이동부재(12)를 이동시키기 위한 이동실린더(15)가 설치되어 있다.As referred to herein, the pair of idle rolls 10 are rotatably installed on both sides of the stand 1, and the movable member 12 is seated on the upper surface of the eye roll 10. One side of the moving member 12 is provided with a moving cylinder 15 for moving the moving member 12.

상기 아이들롤(10)은 이동부재(12)를 지지한 상태에서 이동부재(12)가 원활하게 이동될 수 있도록 안내하기 위한 것으로서, 상기 이동부재(12)와 아이들롤(10)의 사이에 미끄럼이 발생되는 것을 방지하도록 상기 아이들롤(10)의 외측 둘레면에는 제1피니언기어(11)를 형성하고 이동부재(12)의 저면에는 제1랙기어(13)를 형성할 수도 있다.The idle roll 10 is for guiding the moving member 12 to move smoothly in a state in which the moving member 12 is supported, and slides between the moving member 12 and the idle roll 10. The first pinion gear 11 may be formed on the outer circumferential surface of the idle roll 10, and the first rack gear 13 may be formed on the bottom surface of the moving member 12 to prevent this from occurring.

그리고 상기 이동부재(12)의 상면에는 라이너(4)를 보관하는 적재부재(16)가 안착되어 있되, 그 적재부재(16)에는 각기 다른 라이너(4)를 보관할 수 있도록 다양한 크기의 삽입공(18)이 형성되어 있다.And on the upper surface of the moving member 12 is mounted a loading member 16 for storing the liner 4, the loading member 16 is inserted into the insertion hole of various sizes so that different liners (4) can be stored ( 18) is formed.

상기 삽입공(18)에 보관되는 라이너(4)는 상부 양측면에 지지돌기(4a)가 형성되어 있고, 상기 라이너(4)가 삽입되는 스탠드(1)에는 라이너(4)의 상부 및 지지돌기(4a)가 삽입될 수 있도록 결합공(1a)이 형성되어 있다.The liner 4 stored in the insertion hole 18 has support protrusions 4a formed on both sides of the upper portion, and the upper and support protrusions of the liner 4 are formed on the stand 1 in which the liner 4 is inserted. The coupling hole 1a is formed so that 4a) can be inserted.

또한 상기 적재부재(16)는 이동부재(12)에 의해서 회전되는 것으로서, 상기 이동부재(12)와 적재부재(16)의 사이에 미끄럼이 발생되는 것을 방지하도록 상기 이동부재(12)의 상면에는 제2랙기어(14)를 형성하고 적재부재(16)의 외측 둘레면에는 제2피니언기어(17)를 형성할 수도 있으며, 상기 제2피니언기어(17)는 적재부재(16)의 외측둘레면 전체에 형성할 수도 있지만, 이동부재(12)에 형성된 제2랙기어(14)와 같은 폭을 갖도록 외측 둘레면 중앙부에 형성하는 것이 바람직하다. 왜냐하면 상기 적재부재(16)가 회전될 때 어느 일측으로 편심되지 않도록 하고 적재부재(16)가 좌/우로 유동되는 것을 방지하기 위함이다.In addition, the loading member 16 is rotated by the moving member 12, the upper surface of the moving member 12 to prevent the sliding occurs between the moving member 12 and the loading member 16 The second rack gear 14 may be formed and a second pinion gear 17 may be formed on the outer circumferential surface of the loading member 16, and the second pinion gear 17 may have an outer circumference of the loading member 16. Although it may form in the whole surface, it is preferable to form in the center part of the outer peripheral surface so that it may have the same width | variety as the 2nd rack gear 14 formed in the moving member 12. As shown in FIG. This is because the loading member 16 is not eccentric to any one side when the loading member 16 is rotated, and the loading member 16 is prevented from flowing to the left / right.

그리고 상기 적재부재(16)의 일측에는 그 적재부재(16)에 보관된 라이너(4)를 스탠드(1)의 내부로 삽입시키기 위한 삽입실린더(19)가 설치되어 있다.In addition, an insertion cylinder 19 for inserting the liner 4 stored in the loading member 16 into the stand 1 is installed at one side of the loading member 16.

이와 같이 구성된 본 발명의 작동상태를 상세히 설명하면 다음과 같다.Referring to the operating state of the present invention configured as described in detail as follows.

먼저, 압연롤(2)을 연속적으로 사용하여 상기 압연롤(2)의 직경이 변경될 경우에는 스탠드(1)에 삽입된 라이너(4)를 교환 하여야 하는 것이며, 이때에는 상기 스탠드(1)에 삽입된 라이너(4)를 인출할 수 있도록 적재부재(16)에 형성된 삽입공(18)중 라이너(4)가 삽입되지 않을 삽입공(18)이 상부로 위치되도록 한다.First, when the diameter of the rolling roll 2 is changed by using the rolling roll 2 continuously, the liner 4 inserted into the stand 1 should be replaced, and in this case, the stand 1 The insertion hole 18 in which the liner 4 will not be inserted is positioned in the upper portion of the insertion hole 18 formed in the loading member 16 so that the inserted liner 4 can be drawn out.

즉, 이동실린더(15)를 작동시키면 그 이동실린더(15)에 설치된 이동부재(12)가 이동되는 것이며, 상기 이동부재(12)가 이동되면 그 이동부재(12)의 저면에 형성된 제1랙기어(13)와 그 제1랙기어(13)에 기어 결합된 제1피니언기어(11)가 회전되므로 상기 제1피니언기어(11)가 형성된 아이들롤(10)이 회전되면서 이동부재(12)의 이동을 안내하게 되는 것이다.That is, when the movable cylinder 15 is operated, the movable member 12 installed in the movable cylinder 15 is moved. When the movable member 12 is moved, the first rack formed on the bottom surface of the movable member 12 is moved. Since the first pinion gear 11 geared to the gear 13 and the first rack gear 13 is rotated, the idle roll 10 on which the first pinion gear 11 is formed is rotated, and the movable member 12 is rotated. Will guide the movement of.

또한, 상기 이동부재(12)가 이동될 때 그 상면에 형성된 제2랙기어(14)에 기어 결합된 제2피니언기어(17)가 회전되므로 상기 제2피니언기어(17)가 형성된 적재부재(16)가 회전되는 것이며, 상기 적재부재(16)가 회전될 때 그 적재부재(16)의 외측 둘레면 중앙부분을 이동부재(12)가 지지하게 되므로 좌/우 유동이 방지되는 것이다.In addition, when the moving member 12 is moved, the second pinion gear 17 geared to the second rack gear 14 formed on the upper surface thereof is rotated so that the loading member having the second pinion gear 17 formed therein ( 16 is rotated, and the left / right flow is prevented because the moving member 12 supports the central portion of the outer circumferential surface of the stacking member 16 when the stacking member 16 is rotated.

따라서, 상기 적재부재(16)에 형성된 복수개의 삽입공(18)중 라이너(4)가 삽입되지 않은 삽입공(18)을 상부로 위치시킨다.Accordingly, the insertion hole 18 in which the liner 4 is not inserted is positioned upward in the plurality of insertion holes 18 formed in the loading member 16.

이러한 상태에서 삽입실린더(19)를 정방향으로 작동시키면 그 삽입실린더(19)의 로드(19a)는 삽입공(18)을 관통하여 스탠드(1)에 삽입된 라이너(4)에 근접되므로 상기 라이너(4)와 로드(19a)를 별도의 고정수단(도면 미도시)으로 고정시킨 후 상기 삽입실린더(19)를 역방향으로 작동시킨다.In this state, when the insertion cylinder 19 is operated in the forward direction, the rod 19a of the insertion cylinder 19 passes through the insertion hole 18 so as to be close to the liner 4 inserted into the stand 1. 4) and the rod 19a is fixed by a separate fixing means (not shown), and then the insertion cylinder 19 is operated in the reverse direction.

상기 삽입실린더(19)가 역방향으로 작동되면 스탠드(1)에 삽입된 라이너(4)를 분리시키게 되는 것이며, 상기 스탠드(1)에서 분리된 라이너(4)가 적재부재(16)에 형성된 삽입공(18)에 삽입되면 삽입실린더(19)를 정지시키고 고정수단을 분리한다.When the insertion cylinder 19 is operated in the reverse direction, the liner 4 inserted into the stand 1 is separated, and the insertion hole in which the liner 4 separated from the stand 1 is formed in the loading member 16 is provided. When inserted into (18), the insertion cylinder (19) is stopped and the fixing means is removed.

이러한 상태에서 이동실린더(15)를 작동시켜 적재부재(16)에 보관된 복수개의 라이너(4) 중 압연롤(2)의 직경변화를 보정할 수 있는 라이너(4)를 상부에 위치시킨다.In this state, the moving cylinder 15 is operated to place the liner 4 on the upper part of the plurality of liners 4 stored in the loading member 16 that can correct the change in diameter of the rolling roll 2.

상술한 바와 같이 압연롤(2)의 직경변화를 보정할 수 있는 라이너(4)가 상부에 위치된 상태에서 삽입실린더(19)를 정방향으로 작동시키면 그 삽입실린더(19)의 로드(19a)에 의해서 라이너(4)가 삽입공(18)에서 인출되어 스탠드(1)에 형성된 결합공(1a)의 내부로 삽입되는 것으로서, 라이너(4)의 교환작업이 완료되는 것이다.As described above, when the insertion cylinder 19 is operated in the forward direction while the liner 4 capable of correcting the diameter change of the rolling roll 2 is positioned in the upper direction, the rod 19a of the insertion cylinder 19 The liner 4 is withdrawn from the insertion hole 18 to be inserted into the coupling hole 1a formed in the stand 1, and the replacement of the liner 4 is completed.

이와 같이 본 발명은 한 쌍의 압연롤 사이의 간격이 유지되도록 스탠드에 삽입되는 라이너의 교환작업을 신속하고 간편하게 수행하게 되므로 작업자를 안전사고로부터 보호할 수 있게되는 특유의 효과가 있다.As described above, the present invention has a unique effect of quickly and easily performing an exchange operation of the liner inserted into the stand so that the gap between the pair of rolling rolls is maintained.

또한, 본 발명은 압연롤의 직경변화로 인한 압연롤 사이의 간격 변화를 신속하게 보정하여 불량품 생산을 미연에 방지할 수 있게되는 특유의 효과가 있다.In addition, the present invention has a unique effect that can quickly correct the gap change between the rolling rolls due to the diameter change of the rolling roll to prevent the production of defective products in advance.

Claims (3)

압연롤(2)을 지지하는 스탠드(1)의 양측면에 각각 설치된 한 쌍의 아이들롤(10)과, 상기 아이들롤(10)의 상면에 안착된 이동부재(12)와, 상기 이동부재(12)를 이동시키도록 그 이동부재(12)의 일단부에 연결된 이동실린더(15)와, 상기 이동부재(12)의 상면에 안착된 상태로 회전되고 내부에는 라이너(4)를 보관하도록 복수개의 삽입공(18)이 형성된 적재부재(16)와, 상기 적재부재(16)에 보관된 라이너(4)를 인출하여 스탠드(1)의 내부로 삽입시키도록 적재부재(16)의 일측에 설치된 삽입실린더(19)를 포함함을 특징으로 하는 압연기용 라이너 교환장치.A pair of idle rolls 10 respectively provided on both side surfaces of the stand 1 supporting the rolling roll 2, a moving member 12 seated on the upper surface of the idle roll 10, and the moving member 12 And a plurality of inserts to move the moving cylinder 15 connected to one end of the moving member 12 and to be seated on the upper surface of the moving member 12 and to store the liner 4 therein. An insertion cylinder installed at one side of the loading member 16 to draw out the loading member 16 having the ball 18 and the liner 4 stored in the loading member 16 and insert the same into the stand 1. Liner exchange device for a rolling mill, characterized in that it comprises (19). 제 1 항에 있어서, 상기 아이들롤(10)의 외측 둘레면에 형성된 제1피니언기어(11)와, 상기 제1피니언기어(11)와 기어 결합되도록 이동부재(12)의 저면에 형성된 제1랙기어(13)를 포함함을 특징으로 하는 압연기용 라이너 교환장치.The first pinion gear (11) formed on the outer circumferential surface of the idle roll (10) and the first formed on the bottom surface of the movable member (12) so as to be geared with the first pinion gear (11). Liner exchange device for a rolling mill, characterized in that it comprises a rack gear (13). 제 1 항에 있어서, 상기 이동부재(12)의 상면에 형성된 제2랙기어(14)와, 상기 제2랙기어(14)와 기어 결합되도록 적재부재(16)의 외측 둘레면에 형성된 제2피니언기어(17)를 포함함을 특징으로 하는 압연기용 라이너 교환장치.According to claim 1, The second rack gear 14 formed on the upper surface of the movable member 12, The second formed on the outer peripheral surface of the mounting member 16 to be geared with the second rack gear 14 Liner exchange device for a rolling mill, characterized in that it comprises a pinion gear (17).
KR1020020051987A 2002-08-30 2002-08-30 Liner exchange system for Rolling mill KR100883491B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100743071B1 (en) * 2006-05-09 2007-07-26 (주)삼우기계 A device transfer for apparatus automatically assembling and separating a chock bearing for rolling roll

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596002U (en) * 1982-07-05 1984-01-14 株式会社日立製作所 Automatic pass line height setting device for multi-high rolling mill
JPH0688055B2 (en) * 1988-01-14 1994-11-09 株式会社日立製作所 Rolling machine and rolling equipment
KR0114095Y1 (en) * 1994-12-23 1998-04-16 김만제 Apparatus for exchange liner of skin pass mill
KR19990006493U (en) * 1997-07-26 1999-02-25 김종진 Sleeve changer of edge roll

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100743071B1 (en) * 2006-05-09 2007-07-26 (주)삼우기계 A device transfer for apparatus automatically assembling and separating a chock bearing for rolling roll

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