WO2012087032A2 - Rouleau complexe - Google Patents

Rouleau complexe Download PDF

Info

Publication number
WO2012087032A2
WO2012087032A2 PCT/KR2011/009950 KR2011009950W WO2012087032A2 WO 2012087032 A2 WO2012087032 A2 WO 2012087032A2 KR 2011009950 W KR2011009950 W KR 2011009950W WO 2012087032 A2 WO2012087032 A2 WO 2012087032A2
Authority
WO
WIPO (PCT)
Prior art keywords
ring
rolling
disposed
spacer ring
clamping nut
Prior art date
Application number
PCT/KR2011/009950
Other languages
English (en)
Korean (ko)
Other versions
WO2012087032A3 (fr
Inventor
김용호
한상재
이규복
Original Assignee
일진다이아몬드(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 일진다이아몬드(주) filed Critical 일진다이아몬드(주)
Publication of WO2012087032A2 publication Critical patent/WO2012087032A2/fr
Publication of WO2012087032A3 publication Critical patent/WO2012087032A3/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/024—Rolls for bars, rods, rounds, tubes, wire or the like

Definitions

  • the present invention relates to a composite roll, and more particularly to a composite roll that is firmly assembled.
  • the one-piece roll is easy to manufacture because the shaft and the rolling ring are integrally formed.
  • the DCI roll ductile cast iron roll
  • adamite roll adamite roll
  • chilled roll chilled roll
  • these unitary rolls have low wear resistance, which reduces the replacement cycle of the rolls and lowers productivity.
  • Composite rolls are manufactured by separately manufacturing a roll shaft and a rolling ring, and then using the rolling ring by assembling the roll shaft.
  • the rolling ring is formed using a material having high wear resistance.
  • it is not easy to assemble the rolling ring on the roll shaft so that the roll shaft and the rolling ring are kept firm.
  • the rolling ring does not rotate integrally with the roll shaft, but turns away, thereby making it difficult to effectively proceed with the rolling process.
  • the roll shaft may be damaged or the rolling ring may be separated from the roll shaft, resulting in a rolling accident.
  • the present invention can provide a firmly assembled composite roll.
  • the present invention provides a roll shaft having a screw surface formed on both sides of the outer peripheral surface to be spaced apart from each other and the collar formed between the two screw surfaces, a plurality of rolling rings assembled on both sides of the collar portion, the side of each rolling ring A spacer ring assembled on an opposite side of the surface facing the collar portion, disposed on an opposite surface of the side of each spacer ring facing the rolling ring, having a screw surface, and screwed with the screw surface of the roll shaft.
  • a composite roll comprising a clamping nut and a side key disposed between each rolling ring and the collar portion and between each rolling ring and each spacer ring.
  • a horizontal key may be disposed between the roll shaft and the spacer ring.
  • it may further include a setting bolt which is arranged to pass through the clamping nut at the side of the clamping nut in a direction parallel to the axis of rotation of the work roll direction of the composite roll and coupled to the side of the spacer ring.
  • a plurality of setting bolts may be disposed.
  • In the present invention may further include a locking bolt disposed on the side of the clamping nut in a direction perpendicular to the rotation axis of the work roll direction of the composite roll.
  • a sleeve may be disposed between the locking bolt and the roll shaft.
  • the locking bolt may be disposed to face the screw surface of the roll shaft.
  • the diameter of the collar portion may be formed smaller than the diameter of the rolling ring.
  • the rolling ring may contain tungsten carbide.
  • a side keyway in which the side key is disposed may be formed on a side facing the collar portion of the rolling ring and a side facing the spacer ring.
  • the side keyway includes two first side keyways formed on the side facing the spacer ring and two second side keyways formed on the side facing the collar, and the two first side keys. Ways may be arranged on the same line as each other, the two second side key ways may be arranged on the same line with each other, and the first side key way and the second side key way may be arranged to be perpendicular to each other.
  • the side key may be in the form of a half moon key and the side key way may have a curved surface.
  • the side key may be spaced apart from the side key way in the corner region of the side key way.
  • the side key has a curved cross section, and the cross section of the curved line has an area having a different radius, and in a portion of the curved cross section where the side keyway is in contact, the side key has the same radius as the side keyway. It may have a radius, and may have a radius smaller than the radius of the side keyway in the area of the curved section spaced apart from the side keyway.
  • In the present invention may further comprise a half ring assembled between the clamping nut and the spacer ring.
  • the half ring is assembled after applying pressure to the spacer ring using the jacking bolt, After removing the jacking bolt after assembling the half ring, the setting bolt may be assembled at the position where the jacking bolt is disposed.
  • In the present invention may have a symmetrical structure around the collar portion.
  • the rolling ring may be disposed one by one on both sides of the collar part about the collar part.
  • the composite roll according to the present invention is firmly assembled to provide efficiency in the rolling process.
  • FIG. 1 is a schematic cross-sectional view showing a composite roll according to one embodiment of the present invention.
  • FIG. 2 is an enlarged view of C of FIG. 1.
  • FIG. 3 is an enlarged view of a portion D of FIG. 1.
  • FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG. 1.
  • FIG. 5 is an enlarged view of the rolling ring of FIG. 1.
  • FIG. 6 is a perspective side view seen from the direction A of FIG. 5.
  • FIG. 7 is a cross-sectional view taken along the line VII-VII of FIG. 6.
  • FIG. 8 is a view showing another modified example of the rolling ring and the spacer ring in the configuration of the composite roll of FIG.
  • 9 to 13 are views sequentially illustrating a process of assembling the composite roll of FIG.
  • FIG. 1 is a schematic cross-sectional view illustrating a composite roll according to an embodiment of the present invention
  • FIG. 2 is an enlarged view of C of FIG. 1
  • FIG. 3 is an enlarged view of D of FIG. 1
  • FIG. 4 is 1 is a cross-sectional view taken along the line IV-IV of FIG. 1
  • FIG. 5 is an enlarged view of the rolling ring of FIG. 1
  • FIG. 6 is a side view viewed from the direction A of FIG. 5, and FIG. It is a cross-sectional view cut along the line.
  • the composite roll 100 includes a roll shaft 101, a rolling ring 110, a spacer ring 120, a clamping nut 130, a half ring 140, a setting bolt 150, and locking.
  • the roll shaft 101 has a collar unit 102 in the central region.
  • the screw surface 101a is formed in the both outer peripheral surfaces centering on the collar part 102 of the roll shaft 101. As shown in FIG.
  • the threading direction of the screw surface 101a is made to be opposite to the working direction WS in which the composite roll 100 rotates. This prevents the screw coupling of the roll shaft 101 and the clamping nut 130 to be separated during the rolling process using the composite roll 100.
  • Rolling rings 110 are disposed on both sides of the collar portion 102 of the roll shaft 101. That is, two rolling rings 110 are disposed on the left side and the right side of the collar portion 102 with the collar portion 102 interposed therebetween. In addition, the present invention is not limited thereto, and four or more rolling rings 110 may be disposed to be symmetrical to the left and right sides of the collar portion 102 with the collar portion 102 interposed therebetween. Rolling ring 110 is formed using a material having excellent wear resistance. Specifically, the rolling ring 110 may include a cemented carbide such as tungsten carbide. Side keys 170 are disposed at both sides of the rolling ring 110. Details thereof will be described later.
  • the diameter of the rolling ring 110 is larger than the diameter of the collar 102. That is, in the state in which the rolling ring 110 is disposed on the roll shaft 101, the extension line of the edge of the rolling ring 110 is spaced apart from the collar 102. This prevents damage to the collar portion 102 through repetition of the rolling process to increase the use cycle of the roll shaft 101 can be easily reused.
  • a spacer ring 120 is disposed on the roll shaft 101. Specifically, the spacer ring 120 is disposed on the outer side of the rolling ring 110, that is, on the opposite side of the surface of the rolling ring 110 toward the collar portion 102.
  • the spacer ring 120 may be formed using steel.
  • the diameter of the spacer ring 120 is smaller than the diameter of the rolling ring 110. This may prevent damage to the spacer ring 120 during the rolling process.
  • the horizontal key 180 is disposed in the space between the spacer ring 120 and the roll shaft 101. During the rolling process, the spacer ring 120 does not rotate integrally with the roll shaft 101 and the spacer ring 120 is in error. In the present invention, the spacer ring 120 is moved through the horizontal key 180. It rotates integrally with the roll shaft 101 without turning.
  • the spacer ring 120 is formed of steel, even if the horizontal key 180 is disposed between the spacer ring 120 and the roll shaft 101, the spacer ring 120 may be formed due to the horizontal key 180 during rotation of the composite roll 100. 120 easily prevents breakage.
  • a clamping nut 130 is disposed on the roll shaft 101.
  • the clamping nut 130 is disposed on both sides of the spacer ring 120, that is, on the opposite side of the surface of the spacer ring 120 that faces the rolling ring 110.
  • the screw surface 131 is formed on the inner circumferential surface of the clamping nut 130.
  • the threaded surface 131 of the clamping nut 130 and the threaded surface 101a of the roll shaft 101 are coupled to each other. Through this, the clamping nut 130 and the roll shaft 101 are safely coupled.
  • the rolling ring 110 and the spacer ring 120 are not separated from the roll shaft 101 by the clamping nut 130.
  • the thread direction of the screw surface 131 and the screw surface 101a is opposite to the working direction WS in which the composite roll 100 rotates so that the roll shaft 101 and the clamping nut 130 are rolled during rolling. Prevent separation.
  • the setting bolt 150 is disposed to penetrate the side surface of the clamping nut 130, that is, the side surface of the clamping nut 130 in a direction parallel to the rotation axis of the working direction WS of the composite roll 100.
  • the setting bolt 150 passes through the clamping nut 130 and is coupled to the side of the spacer ring 120. Through this, the clamping nut 130 and the spacer ring 120 are firmly coupled, and the coupling between the clamping nut 130 and the roll shaft 101 is also strengthened.
  • a sealant may cover the top surface of the setting bolt 150.
  • the locking bolt 160 is disposed on the other side of the clamping nut 130, that is, the side of the clamping nut 130 in a direction orthogonal to the rotation axis of the working direction WS of the composite roll 100.
  • the locking bolt 160 further tightens the screw coupling of the clamping nut 130 and the roll shaft 101, that is, the coupling between the screw surface 101a and the screw surface 131.
  • a sleeve 161 is disposed between the locking bolt 160 and the threaded surface 101a of the roll shaft 101 to easily prevent the threaded surface 101a of the roll shaft 101 from being damaged.
  • a half ring 140 is disposed between the clamping nut 130 and the spacer ring 120.
  • the jacking bolt (not shown) or the jacking screw (not shown) is placed in the setting bolt 160 position, and then the gap between the clamping nut 130 and the spacer ring 120 is used. Install half ring 140, then remove jacking bolts or screws.
  • the position and quantity of the setting bolt 150 and the locking bolt 160 disposed on the clamping nut 130 are illustrated.
  • Eight setting bolts 150 are disposed on the side surface of the clamping nut 130.
  • the present invention is not limited thereto, and the number of setting bolts 150 may be adjusted in multiples of four, and for example, four setting bolts 150 may be disposed.
  • the four locking bolts 160 are disposed not to overlap with the setting bolts 150.
  • the setting bolt 150 and the locking bolt 160 are equally disposed on both clamping nuts 130 around the collar 102 of the roll shaft 101.
  • the side key 170 will be described in detail with reference to FIGS. 5 to 7. For convenience of description, the side key 170 is not illustrated in FIGS. 5 and 6.
  • the rolling ring 110 of FIG. 5 also shows the right rolling ring 110 of the two rolling rings 110 of FIG. 1.
  • the rolling ring 110 is provided with the some caliber 111 so that a rolling process may progress.
  • the first side keyway 171 is formed on the right side of the side of the rolling ring 110, that is, the side facing the adjacent spacer ring 120 of the side of the rolling ring 110 shown in FIG. 5.
  • the two first side key ways 171 are located on the same line as each other.
  • the second side keyway 172 is formed on the left side of the side surface of the rolling ring 110.
  • the two second side key ways 172 are colinear with each other.
  • first side key way 171 and the second side key way 172 may be formed to be orthogonal to each other without being located next to each other. This allows the side keys 170 and the adjacent members to be subjected to a balanced stress during the rolling process.
  • Side keys 170 are disposed on the first side key way 171 and the second side key way 172 as illustrated in FIG. 1.
  • a side key way (not shown) is formed in the spacer ring 120 to correspond to the side key 170.
  • the side key 170 is disposed on the first side key way 171 so that the rolling ring 110 and the spacer ring 120 do not rotate separately from each other. That is, when the roll shaft 101 rotates during the rolling process, the rolling ring 110 and the spacer ring 120 are prevented from turning or rotating independently of each other, and the rolling ring 110 and the spacer ring 120 rotate integrally. do.
  • the side key way (not shown) is also formed on the collar 102 of the roll shaft 101 to correspond to the side key 170.
  • the side key 170 is disposed on the second side key way 172 so that the roll shaft 101 and the rolling ring 110 do not rotate separately from each other. That is, when the roll shaft 101 rotates during the rolling process, the rolling ring 110 is prevented from turning or rotating separately from the roll shaft 101 and the rolling ring 110 and the roll shaft 101 are rotated integrally. .
  • the side keyways 171 and 172 have a curved boundary line, and a half moon side key 170 is disposed to correspond to the rolling ring 110 by the side key 170 during rotation. This prevents the damage or the side key 170 from being broken.
  • one side of the side key 170 and the side key way 171 contacting each other is formed to have a different radius. This prevents the side keyway 171 from being broken by the side key 170 and, as a result, the rolling ring 110 from being broken. 7 will be described in detail.
  • One side of the side key way 171 has a width W and a depth D.
  • the side surface of the side keyway 171 is formed as a curved surface having a radius R1 in the entire width W.
  • the side key 170 is equal to the radius R1 of the side keyway 171 in the central region but has a smaller radius R2 in the outer region.
  • the height H of the area of the side key 170 not included in the side key way 171 is also a portion disposed on the key way (not shown) of the spacer ring 120.
  • the side keys 170 are damaged by the side keys 170 while the composite roll 110 rotates during the rolling process. Almost prevented.
  • the side key 170 is disposed between the rolling ring 110 and the spacer ring 120.
  • the present invention is not limited thereto, and a pin may be disposed between the rolling ring 110 and the spacer ring 120.
  • FIG. 8 is a view illustrating another modified example of the rolling ring and the spacer ring in the configuration of the composite roll of FIG. 1, and shows that the side pins 190 are disposed on the rolling ring 110 and the spacer ring 120.
  • the side pins 190 are disposed on the rolling ring 110 and the spacer ring 120.
  • one rolling ring 110 and one spacer ring 120 are illustrated.
  • the pinhole 191 is formed on the side of the rolling ring 110 and the sleeve 192 is disposed in the pinhole 191 to prevent the surface of the rolling ring 110 from being damaged by the side pin 190.
  • the side pin 190 is disposed over the rolling ring 110 and the spacer ring 120.
  • the side pin 190 also prevents the rolling ring 110 and the spacer ring 120 from rotating separately from each other.
  • the number of side pins 190 is preferably arranged in an even number per side of one rolling ring (110).
  • the side key 170 and the side pin 190 may be simultaneously disposed on one side of the rolling ring 110.
  • 9 to 13 are views sequentially illustrating a process of assembling the composite roll of FIG.
  • the roll mounting stand 200 is prepared to facilitate the assembly process. After the roll shaft 101 is washed, the roll shaft 101 is disposed in a direction perpendicular to the roll mounting stand 200. First, the side key 170 is disposed at the center of the roll shaft 101, that is, the collar 102. As described above, the side key 170 is disposed on a keyway (not shown) formed in the collar 102.
  • the rolling ring 110 and the spacer ring 120 are disposed on the roll shaft 101.
  • the rolling ring 110 is disposed on the roll shaft 101 to be in close contact with the collar 102 and the side key way 170. At this time, it is preferable to interpose an adhesive material such as loctite between the rolling ring 110 and the roll shaft 101.
  • the side key 170 is then placed on the other side of the rolling ring 110.
  • the horizontal key 180 is disposed on the side of the roll shaft 101 on which the spacer ring 120 is to be disposed.
  • the spacer ring 120 is then placed. Although one spacer ring 120 is shown, a plurality of spacer rings 120 may be used. In addition, the spacer ring 120 may also increase according to the number of the rolling rings 110.
  • the clamping nut 130 is disposed on the roll shaft 101.
  • the screw surface formed on the inner circumferential surface of the clamping nut 130 and the screw surface formed on the side of the roll shaft 101 are screwed together.
  • the jacking bolt 151 may be used, ie, the jacking bolt 151 may be tightened to remove the spaced space that may occur between the rolling ring 110 and the spacer ring 120.
  • a plurality of jacking bolts 151 may be arranged to balance the force, and specifically, the jacking bolts 151 may be arranged to be a multiple of four.
  • the backlash is removed using the jacking bolt 151, and the gap between the spacer ring 120 and the clamping nut 130 is opened.
  • the half ring 140 is assembled between the spacer ring 120 and the clamping nut 130. Due to the fitting of the half ring 140, a predetermined pressure is applied to the spacer ring 120, the rolling ring 110, and the clamping nut 130.
  • the setting bolt 150 and the locking bolt 160 are assembled. That is, after removing the jacking bolt 151 of FIG. 12, the setting bolt 150 is coupled to the side surface of the spacer ring 120 through the clamping nut 130. Then, the sealant 152 is formed on the upper surface of the setting bolt 150.
  • the sealant 152 is preferably silicon based.
  • the locking bolt 160 is disposed on the side of the clamping nut 130 so that the screw surface of the clamping nut 130 and the screw surface of the roll shaft 101 are more firmly coupled.
  • the sealant 162 is formed on the upper surface of the locking bolt 160.
  • the assembly process in one direction of the roll shaft 101 is completed.
  • the roll shaft 101 is turned upside down and the assembly process in the other direction is performed in the same manner as described above to finally form the composite roll of the present invention.
  • the composite roll 100 of the present invention arranges the rolling rings 110 on both sides of the collar portion 102 of the roll shaft 101 and then assembles the clamping nuts 130 on both sides. As a result, uniform stress is applied to the roll shaft 101 and the clamping nut 130, thereby preventing deformation of the composite roll 100, which occurs when stress is unevenly applied to one side, resulting in durability of the composite roll 100. This is improved.
  • the side keys 170 are disposed on both sides of the rolling ring 110 to prevent the rolling ring 110, the roll shaft 101, the rolling ring 110, and the spacer ring 120 from being misused with each other. That is, due to the load due to the material for rolling during the rolling process, the rolling ring 110 is prevented from running and the rolling ring 110 is rotated integrally with the roll shaft 101 and the spacer ring 120. Through this, an effective rolling process using the composite roll 100 is possible.
  • the side key 170 is formed in a half moon shape to prevent the side surface of the rolling ring 110 from being damaged, and further, the side key 170 and the side key ways 171 and 172 have different radii at one contact surface. The edge damage of the key ways 171 and 172 is effectively prevented.
  • a horizontal key 180 is disposed between the spacer ring 120 and the roll shaft 101 to prevent the spacer ring 120 and the roll shaft 101 from being rotated separately from each other, thereby preventing the spacer ring 120 from being idle. .
  • the spacer ring 120 and the roll shaft 101 rotate integrally.
  • the rolling ring 110 rotates integrally with the roll shaft 101 and the spacer ring 120 during the rolling process, thereby increasing the efficiency of the rolling process.
  • the setting bolt 150 is installed on the clamping nut 130 so that the clamping nut 130 and the spacer ring 120 are firmly coupled, and the clamping nut 130 is firmly coupled with the roll shaft 101. do. Since the firmness of the coupling of the clamping nut 130 and the roll shaft 101 is easily ensured, it is not necessary to apply excessive pressure on the side of the clamping nut 130 to fix the clamping nut 130. This prevents an abnormal load from being applied to the entirety of the composite roll 100 including the clamping nut 130 and the roll shaft 101.
  • the locking bolt 160 is installed on the clamping nut 130 so as to be spaced apart from the setting bolt 150 to improve the coupling force between the clamping nut 130 and the roll shaft 101. Through this, it is possible to form the composite roll 100 is finally firmly assembled.
  • the present invention provides a roll shaft having a screw surface formed on both sides of the outer peripheral surface to be spaced apart from each other and the collar formed between the two screw surfaces, a plurality of rolling rings assembled on both sides of the collar portion, the side of each rolling ring A spacer ring assembled on an opposite side of the surface facing the collar portion, disposed on an opposite surface of the side of each spacer ring facing the rolling ring, having a screw surface, and screwed with the screw surface of the roll shaft.
  • a composite roll comprising a clamping nut and side keys disposed between each rolling ring and the collar portion and between each rolling ring and each spacer ring.

Landscapes

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

Abstract

La présente invention porte sur un rouleau complexe, qui comprend : un arbre de rouleau ayant des surfaces filetées formées des deux côtés d'une surface externe de celui-ci et mutuellement espacées l'une de l'autre, et une partie de collier formée entre les surfaces filetées ; une pluralité de bagues de roulement assemblées des deux côtés autour de la partie de collier ; des rondelles d'espacement assemblées des côtés respectifs de chacune des bagues de roulement, opposés aux côtés de chacune des bagues de roulement dirigés vers la partie de collier ; des écrous de serrage, dont chacun est disposé du côté de la rondelle d'espacement opposé au côté de la rondelle d'espacement dirigé vers la bague de roulement, et dont chacun a une surface filetée destinée à être fixée à la surface filetée de l'arbre de rouleau ; et des clavettes latérales interposées entre chaque bague de roulement et la partie de collier et entre chaque bague de roulement et chaque rondelle d'espacement.
PCT/KR2011/009950 2010-12-21 2011-12-21 Rouleau complexe WO2012087032A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100131660A KR20120070208A (ko) 2010-12-21 2010-12-21 복합 롤
KR10-2010-0131660 2010-12-21

Publications (2)

Publication Number Publication Date
WO2012087032A2 true WO2012087032A2 (fr) 2012-06-28
WO2012087032A3 WO2012087032A3 (fr) 2012-09-07

Family

ID=46314638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/009950 WO2012087032A2 (fr) 2010-12-21 2011-12-21 Rouleau complexe

Country Status (2)

Country Link
KR (1) KR20120070208A (fr)
WO (1) WO2012087032A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103331307A (zh) * 2013-07-24 2013-10-02 浙江朋诚科技有限公司 辊环锁紧装置
CN107008819A (zh) * 2017-05-24 2017-08-04 燕山大学 金属二维点阵板辊式拉深组合模具、模具组件及使用方法
CN112139249A (zh) * 2020-08-21 2020-12-29 株洲硬质合金集团有限公司 一种螺母双向锁固装置及组合轧辊

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101518004B1 (ko) * 2014-02-04 2015-05-06 (주) 한양테크 균일한 하중 분포를 갖는 압연기
KR101595376B1 (ko) 2016-01-14 2016-02-26 박은수 롤러의 결합 구조
KR102124252B1 (ko) * 2018-08-29 2020-06-17 이철영 특수소재 냉간 압연용 회전 롤 금형

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000210706A (ja) * 1999-01-22 2000-08-02 Sumitomo Electric Ind Ltd 複合スリ―ブロ―ル
JP2001071004A (ja) * 1999-09-09 2001-03-21 Dijet Ind Co Ltd 圧延ロール
KR20100033215A (ko) * 2008-09-19 2010-03-29 대구텍 유한회사 키 고정 방식의 잠금 링을 구비하는 복합 롤.
KR20100062491A (ko) * 2008-12-02 2010-06-10 주식회사 대화알로이테크 유압을 이용한 압연롤러 및 이에 의한 고정방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000210706A (ja) * 1999-01-22 2000-08-02 Sumitomo Electric Ind Ltd 複合スリ―ブロ―ル
JP2001071004A (ja) * 1999-09-09 2001-03-21 Dijet Ind Co Ltd 圧延ロール
KR20100033215A (ko) * 2008-09-19 2010-03-29 대구텍 유한회사 키 고정 방식의 잠금 링을 구비하는 복합 롤.
KR20100062491A (ko) * 2008-12-02 2010-06-10 주식회사 대화알로이테크 유압을 이용한 압연롤러 및 이에 의한 고정방법

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103331307A (zh) * 2013-07-24 2013-10-02 浙江朋诚科技有限公司 辊环锁紧装置
CN107008819A (zh) * 2017-05-24 2017-08-04 燕山大学 金属二维点阵板辊式拉深组合模具、模具组件及使用方法
CN107008819B (zh) * 2017-05-24 2020-01-21 燕山大学 金属二维点阵板辊式拉深组合模具、模具组件及使用方法
CN112139249A (zh) * 2020-08-21 2020-12-29 株洲硬质合金集团有限公司 一种螺母双向锁固装置及组合轧辊

Also Published As

Publication number Publication date
KR20120070208A (ko) 2012-06-29
WO2012087032A3 (fr) 2012-09-07

Similar Documents

Publication Publication Date Title
WO2012087032A2 (fr) Rouleau complexe
US10843302B2 (en) Column rotator
WO2015102223A1 (fr) Élément rapporté, porte-outil et assemblage
WO2017099438A1 (fr) Rouleau chauffant de machine de fabrication de tissu
WO2016089188A1 (fr) Outil de coupe rotatif et plaquette de coupe pour celui-ci
WO2014084454A1 (fr) Appareil permettant de fixer une pièce à travailler
WO2016093398A1 (fr) Feuille supérieure pour palier de poussée à feuille et palier de poussée à feuille la comprenant
WO2020197094A1 (fr) Dispositif d'amortissement des vibrations pour broche de machine-outil et machine-outil comprenant celui-ci
WO2012033286A2 (fr) Roulement à bague élastique
CN108691901A (zh) 圆环滚子轴承
WO2011145822A2 (fr) Dispositif de fixation de vis du type à percussion
CN109399428A (zh) 适用于钢带的反绳轮组件
WO2022030725A1 (fr) Structure d'accouplement de roue de broyeur
WO2016167472A1 (fr) Insert de coupe
WO2011096672A2 (fr) Structure pour fixer une tige et un palier à film d'huile
US8911152B2 (en) Bearing
WO2012005525A2 (fr) Dispositif pour supporter un récipient de métal fondu
CN210174396U (zh) 一种网纹辊快速更换安装结构
CN214837770U (zh) 一种可拼接式凸轮轴
WO2024053792A1 (fr) Rouleau en caoutchouc de type à remplacement partiel
WO2017122869A1 (fr) Structure d'accouplement de cylindres
WO2019135449A1 (fr) Ensemble moyeu de palier et disque de frein et ensemble palier de roue comportant celui-ci
US5042319A (en) Split bearing eccentric drive
CN221093316U (zh) 一种电梯轿厢导向轮
CN205309728U (zh) 一种牵引电机轴承取出装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11850119

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11850119

Country of ref document: EP

Kind code of ref document: A2