[go: up one dir, main page]

US20110100083A1 - Magnesium hot rolling method and apparatus - Google Patents

Magnesium hot rolling method and apparatus Download PDF

Info

Publication number
US20110100083A1
US20110100083A1 US12/682,945 US68294508A US2011100083A1 US 20110100083 A1 US20110100083 A1 US 20110100083A1 US 68294508 A US68294508 A US 68294508A US 2011100083 A1 US2011100083 A1 US 2011100083A1
Authority
US
United States
Prior art keywords
magnesium
upstream
heating furnace
temperature
rolling
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US12/682,945
Other languages
English (en)
Inventor
Nobuhiro Tazoe
Hisashi Honjou
Hideo Matsumura
Katuhiko Yanai
Fumitaka Yanai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Primetals Technologies Holdings Ltd
Original Assignee
IHI Corp
IHI Metaltech Co Ltd
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
Priority claimed from JP2007269058A external-priority patent/JP5173347B6/ja
Application filed by IHI Corp, IHI Metaltech Co Ltd filed Critical IHI Corp
Assigned to IHI METALTECH CO., LTD., IHI CORPORATION reassignment IHI METALTECH CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HONJOU, HISASHI, MATSUMURA, HIDEO, TAZOE, NOBUHIRO, YANAI, FUMITAKA, YANAI, KATUHIKO
Publication of US20110100083A1 publication Critical patent/US20110100083A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/12—End of product
    • 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
    • B21B45/004—Heating the product

Definitions

  • the present invention relates to a magnesium hot rolling method and to a magnesium hot rolling apparatus.
  • a round bar-shaped billet having, for example, a diameter of approximately 300 to 400 mm and a length of approximately 500 to 600 mm is molded by hot extrusion molding into a thick plate having a thickness of, for example, 10 mm or less.
  • This thick plate is then cut to a predetermined length (for example, 3 m) so as to form a cut plate material, and this cut plate material is then rolled to a thickness of not more than 1 mm by rough rolling.
  • magnesium alloy In order to roll magnesium alloy at room temperature a large amount of pressure is required. However, even if a large amount of pressure is applied, it still cracks easily. Accordingly, it is preferably rolled using hot rolling.
  • FIG. 1 of patent document 1 Conventional examples of apparatuses for the hot rolling of magnesium alloy are disclosed in FIG. 1 of patent document 1 and FIG. 1 of patent document 2.
  • the hot rolling apparatuses disclosed in these patent documents are provided with a rolling mill which rolls the magnesium alloy while transporting it reciprocatingly, and with two heating furnaces which are located on the upstream side and the downstream side of the rolling mill.
  • the magnesium alloy is heated to a predetermined temperature by these heating furnaces and is rolled in the rolling mill.
  • the present invention was conceived in view of the above described circumstances and it is an object thereof to provide a magnesium hot rolling method and a magnesium hot rolling apparatus which are able to prevent any reduction in the quality of a product which is due to temperature variations during the hot rolling of a magnesium alloy.
  • a magnesium alloy hot rolling method which has: a first rolling step in which a magnesium plate is rolled reciprocatingly between an upstream heating furnace which is located on an upstream side of a rolling mill and which heats the magnesium plate, and a upstream heating furnace which is located on a downstream side of the rolling mill and which heats the magnesium plate; and a second rolling step in which the temperature of respective end portions of the magnesium plate on both the upstream and downstream sides is maintained while the magnesium plate is being rolled reciprocatingly between an upstream temperature maintaining apparatus which is located further on the upstream side than the upstream heating furnace and which transports the magnesium plate which has been heated by the upstream heating furnace while maintaining the temperature thereof, and a downstream temperature maintaining apparatus which is located further on the downstream side than the upstream heating furnace and which transports the magnesium plate which has been heated by the upstream heating furnace while maintaining the temperature thereof.
  • a wind-on step in which, while tension is applied by a tension applying apparatus which is located on the downstream side of the downstream temperature maintaining apparatus to the magnesium plate which has been rolled to a predetermined thickness, the magnesium plate is wound onto a winder which is placed further on the downstream side than the downstream temperature maintaining apparatus.
  • a magnesium alloy hot rolling apparatus which is provided with: a rolling mill which performs reciprocating rolling on a magnesium plate; an upstream heating furnace which is located on the upstream side of the rolling mill and which heats the magnesium plate; a upstream heating furnace which is located on the downstream side of the rolling mill and which heats the magnesium plate; an upstream temperature maintaining apparatus which is located further on the upstream side than the upstream heating furnace, and which transports the magnesium plate which has been heated by the upstream heating furnace and also maintains the temperature of upstream side end portions thereof; and a downstream temperature maintaining apparatus which is located further on the downstream side than the upstream heating furnace, and which transports the magnesium plate which has been heated by the upstream heating furnace and also maintains the temperature of downstream side end portions thereof.
  • a tension applying apparatus which is located on the downstream side of the downstream temperature maintaining apparatus and which applies tension to the magnesium plate; and a winder which is located further on the downstream side than the tension applying apparatus and onto which the magnesium plate is wound.
  • a magnesium plate is rolled while substantially the entire length thereof is being heated and held at a predetermined temperature, it is possible to suppress any drop in the temperature of the magnesium plate, and to prevent errors in the dimensional accuracy of a product as well as any consequent deterioration in product quality which are due to temperature variations during hot rolling, and to thus maintain a superior quality in a finished product.
  • FIG. 1 is a schematic front view showing the schematic structure of a hot rolling apparatus in an embodiment of the present invention.
  • FIG. 2 is a typical view showing the schematic structure of a leveler.
  • FIG. 1 is a schematic front view showing the schematic structure of a hot rolling apparatus 100 (i.e., a magnesium alloy hot rolling apparatus) in the present embodiment.
  • a hot rolling apparatus 100 i.e., a magnesium alloy hot rolling apparatus
  • the hot rolling apparatus 100 is provided with a rolling mill 1 , a first heating furnace 2 , a second heating furnace 3 , pinch rollers 4 , a first table roller 5 , a second table roller 6 , a winder 7 , and pinch rollers 8 .
  • the rolling mill 1 has a pair of working rollers 1 a that are in parallel with each other and also face each other, and with a drive source (not shown) which drives the working rollers 1 a to rotate.
  • the working rollers 1 a are heating rollers whose surface temperature is raised to a suitable temperature and which, while feeding a magnesium cut plate material M 0 (i.e., a magnesium plate) which is passing between the working rollers 1 a in one direction, apply predetermined pressure to this magnesium cut plate material M 0 .
  • a magnesium cut plate material M 0 i.e., a magnesium plate
  • the rolling mill 1 reduces the thickness of the magnesium cut plate material M 0 so as to cause it to become elongated.
  • the rolling mill 1 performs reciprocating rolling by reversing the feed direction of the magnesium cut plate material M 0 at a predetermined timing. By doing this, the rolling mill 1 reduces the thickness of the magnesium cut plate material M 0 from, for example, a thickness of approximately 6 mm and a length of approximately 3 m to a thickness of approximately 1 mm and a length of approximately 18 m.
  • magnesium cut plate material M 0 i.e., magnesium plate
  • M 0 which forms a work piece for this hot rolling apparatus 100 is a plate material formed from magnesium alloy.
  • the first heating furnace 2 (i.e., the upstream heating furnace) is a heating furnace which is located on the upstream side of the rolling mill 1 .
  • the second heating furnace 3 (i.e., the upstream heating furnace) is a heating furnace which is located on the downstream side of the rolling mill 1 .
  • the pair of heating furnaces 2 and 3 have a length which is longer than that of the magnesium cut plate material M 0 prior to rolling, and are also provided with heaters and transporting rollers (neither are shown).
  • the magnesium cut plate material M 0 is heated by the heaters to a predetermined temperature (approximately 100 to 350° C. with 200 to 300° C. being preferable), and the magnesium cut plate material M 0 is transported by the transporting rollers.
  • the pinch rollers 4 are heating rollers whose surface temperature is raised to a suitable temperature, and they provide auxiliary transporting for the magnesium cut plate material M 0 which is traveling reciprocatingly in conjunction with the reciprocating rolling of the rolling mill 1 .
  • a plurality of sets of these pinch rollers 4 are provided respectively between the rolling mill 1 and the first heating furnace 2 , and between the rolling mill 1 and the second heating furnace 3 .
  • the pinch rollers 4 can be made to apply suitable tension to the magnesium cut plate material M 0 which is being rolled by the rolling mill 1 .
  • the first table roller 5 i.e., the upstream temperature maintaining apparatus
  • the second table roller 6 i.e., the downstream temperature maintaining apparatus
  • These table rollers 5 and 6 each have transporting rollers 5 a and 6 a and temperature maintaining covers 5 b and 6 b.
  • the table rollers 5 and 6 transport and support the end portions of the magnesium cut plate material M 0 which are protruding from the heating furnaces 2 and 3 using the transporting rollers 5 a and 6 a , and also shield them from the outside air by covering them with the temperature maintaining covers 5 b and 6 b .
  • the table rollers 5 and 6 maintain the temperature of the magnesium cut plate material M 0 by not allowing heat to escape therefrom.
  • the temperature maintaining portion of the end portion of the magnesium cut plate material M 0 which is positioned on the downstream side is moved inside the heating furnace during the subsequent rolling in the opposite direction.
  • the heating portion of the end portion which is positioned on the downstream side is placed inside the temperature maintaining apparatus during the rolling in the opposite direction, and by repeating this process alternatingly, it is possible to minimize any reduction in the temperature of the end portions.
  • the winder 7 is a machine onto which is wound the manufactured product obtained by rolling the magnesium cut plate material M 0 , namely, a magnesium sheet M 1 (i.e., a magnesium plate).
  • the pinch rollers 8 are located in front of the winder 7 and by adjusting the transporting speed of the magnesium sheet M 1 , they are able to apply tension to the magnesium sheet M 1 in the opposite direction from the wind-on direction of the winder 7 .
  • the hot rolling apparatus 100 performs rough rolling on the magnesium cut plate material M 0 .
  • an operation of the hot rolling apparatus 100 will be described.
  • the magnesium cut plate materials M 0 which are the objects to be rolled by this hot rolling apparatus 100 are manufactured by performing hot extrusion molding (at between approximately 100 and 300° C. with 200° C. being preferable) on a rod-shaped billet having, for example, a diameter of 300 to 400 mm and a length of 500 to 600 mm so as to mold it into a thick plate having a thickness of, for example, 10 mm or less (for example, 6 mm). This thick plate is then cut into predetermined lengths (for example, 3 m).
  • the crystal grains of the magnesium forming the magnesium cut plates M 0 which have been molded by hot extrusion molding are mechanically refined by being extruded, they are extremely strong and are of high quality. They are also difficult to break and have superior press-moldability.
  • the magnesium cut plate materials M 0 are transported from the first table rollers 5 to the first heating furnace 2 . They are then heated to a predetermined temperature (approximately 100 to 350° C. with 200 to 300° C. being preferable) inside the first heating furnace 2 and are then transported to the rolling mill 1 .
  • a predetermined temperature approximately 100 to 350° C. with 200 to 300° C. being preferable
  • the rolling mill 1 rolls the magnesium cut plate material M 0 and, at the same time as this, transports it to the second heating furnace 3 .
  • the temperature of the magnesium cut plate materials M 0 drops somewhat as it moves from the first heating furnace 2 to the second heating furnace 3 .
  • the working rollers 1 a and the plurality of pinch rollers 4 are heating rollers, and because the magnesium cut plate material M 0 is once again heated to the predetermined temperature inside the second heating furnace 3 , there is little temperature variation.
  • the hot rolling apparatus 100 When the terminal end of a magnesium cut plate material M 0 has passed through the rolling mill 1 , the hot rolling apparatus 100 reverses the rolling direction. The hot rolling apparatus 100 repeats this process so that the magnesium cut plate material M 0 is rolled reciprocatingly, and the thickness of the magnesium cut plate material M 0 is sequentially reduced. As a result, a magnesium sheet M 1 is manufactured.
  • the magnesium cut plate material M 0 has a material quality of AZ31B, and has dimensions of a thickness of 6.00 mm, a width of 300 mm, and a length of 3000 mm.
  • the diameter of the working rollers 1 a is 400 mm and the barrel length thereof is 500 mm, while the diameter of the pinch rollers 4 is 250 mm.
  • the heating temperature in the heating furnaces 2 and 3 is 220° C.
  • the pinch rollers 4 and the working rollers 1 a are heating rollers having internal heaters and the surface temperature of these heating rollers is 200° C.
  • a magnesium cut plate material M 0 having a thickness of 6.00 mm is changed by five passes of reciprocating rolling (i.e., by two and a half reciprocations) into a magnesium sheet M 1 having a thickness of 1.01 mm, and this is then wound onto the winder 7 after the five passes.
  • the magnesium cut plate material M 0 becomes gradually more elongated as it is rolled, and when the terminal end thereof has passed through the rolling mill 1 , the end portions including the starting end protrude from the heating furnaces 2 and 3 .
  • the table rollers 5 and 6 support the end portions which are protruding from the heating furnaces 2 and 3 using the transporting rollers 5 a and 6 a , and also maintain the temperature thereof by means of the temperature maintaining covers 5 b and 6 b.
  • a magnesium cut plate material M 0 having a length L 0 prior to rolling is rolled in a section A 1 until it attains a length L 1 (first rolling step). It is then rolled in a section A 2 until it exceeds the length L 1 and attains a length L 2 (second rolling step). It is then wound on (winding-on step).
  • this hot rolling apparatus 100 performs reciprocating rolling using the first rolling step in the section A 1 , namely, in the section formed by the first heating furnace 2 , the rolling mill 1 , and the second heating furnace 3 while the magnesium cut plate material M 0 has a length between L 0 and L 1 .
  • the hot rolling apparatus 100 then performs reciprocating rolling using the second rolling step in the section A 2 , that is, in the section formed by the first table roller 5 , the first heating furnace 2 , the rolling mill 1 , the second heating furnace 3 , and the second table roller 6 after the magnesium cut plate material M 0 has exceeded the length L 1 and until it attains the length L 2 .
  • the finished product, namely, the magnesium sheet M 1 is then wound onto the winder 7 .
  • the magnesium cut plate M 0 is heated or has its temperature maintained over its entire length, and is kept at a temperature which remains substantially within a fixed range. Accordingly, it is possible to prevent any reduction in the quality of a product which is due to temperature variations in the magnesium cut plate material M 0 , and it is possible to maintain a superior quality in the finished product, namely, in the magnesium sheet M 1 .
  • the magnesium cut plate material M 0 is soft during the rolling process due to the high temperature, and there is a possibility that pitting will remain if high pressure is also applied to areas other than those areas where the rolling mill 1 is used.
  • this hot rolling apparatus 100 because the magnesium cut plate material M 0 is nipped in a plurality of locations by a plurality of groups of pinch rollers 4 , the force with which each pinch roller 4 nips the magnesium cut plate material M 0 is small as a result of being dispersed, and any concern that pitting from the pinch rollers 4 will remain is reduced.
  • the hot rolling apparatus 100 winds this magnesium sheet M 1 onto the winder 7 so as to form a coil material.
  • the pinch rollers 8 adjust the transporting speed of the magnesium sheet M 1 so that predetermined tension is applied to the magnesium sheet M 1 being wound onto the winder 7 , and thereby apply tensile force to the magnesium sheet M 1 in the opposite direction from the wind-on direction of the winder 7 .
  • the hot rolling apparatus 100 of the present invention because the magnesium cut plate material M 0 is rolled while substantially the entire length thereof is being heated and held at a predetermined temperature, it is possible to suppress any drop in the temperature of the magnesium cut plate material M 0 , and to prevent any reduction in the product quality which is due to temperature variations during the hot rolling, and it is thereby possible to maintain a superior quality in the finished product, namely, in the magnesium sheet M 1 .
  • the pinch rollers 8 function as a tension applying apparatus, however, the tension applying apparatus may also be formed by a leveler which flattens the magnesium sheet M 1 .
  • the leveler is formed by alternatingly combining three or more rollers in two rows in a beehive pattern when viewed in cross-section, and the magnesium sheet M 1 is flattened as a result of the sheet-shaped material being passed between these rollers.
  • the magnesium hot rolling apparatus of the present invention and to the magnesium hot rolling method of the present invention which uses this apparatus, it is possible to prevent errors in the dimensional accuracy of a product as well as any consequent deterioration in product quality which are due to temperature variations during hot rolling, and to also maintain a superior quality in a finished product.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
US12/682,945 2007-10-16 2008-10-15 Magnesium hot rolling method and apparatus Abandoned US20110100083A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007269058A JP5173347B6 (ja) 2007-10-16 マグネシウム合金熱間圧延方法及びマグネシウム合金熱間圧延装置
JP2007-269058 2007-10-16
PCT/JP2008/068654 WO2009051134A1 (ja) 2007-10-16 2008-10-15 マグネシウム熱間圧延方法及びマグネシウム熱間圧延装置

Publications (1)

Publication Number Publication Date
US20110100083A1 true US20110100083A1 (en) 2011-05-05

Family

ID=40567396

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/682,945 Abandoned US20110100083A1 (en) 2007-10-16 2008-10-15 Magnesium hot rolling method and apparatus

Country Status (8)

Country Link
US (1) US20110100083A1 (ja)
EP (1) EP2208547B1 (ja)
KR (1) KR101204494B1 (ja)
CN (1) CN101821025B (ja)
CA (1) CA2702659A1 (ja)
RU (1) RU2438806C1 (ja)
TW (1) TW200927315A (ja)
WO (1) WO2009051134A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9248482B2 (en) 2011-03-11 2016-02-02 Fata Hunter, Inc. Magnesium roll mill

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011003046A1 (de) * 2011-01-24 2012-07-26 ACHENBACH BUSCHHüTTEN GMBH Fertigwalzeinrichtung sowie Verfahren zur Herstellung eines Magnesiumbandes in einer solchen
KR101428308B1 (ko) * 2012-12-21 2014-08-07 주식회사 포스코 연연속 압연 방법 및 연연속 압연 장치
CN105149352B (zh) * 2015-09-30 2017-11-07 中镁镁业有限公司 变形镁合金板带材在线补温、恒温轧制与卷取的方法
CN108787762B (zh) * 2017-04-26 2019-10-25 中国宝武钢铁集团有限公司 一种镁合金自适应控温连续轧制的方法和系统
CN108787779B (zh) * 2017-04-26 2019-10-08 中国宝武钢铁集团有限公司 一种镁合金连挤控温连轧生产方法和系统
EP3711873B1 (en) 2019-03-22 2022-07-20 SSAB Technology AB Method and hot-rolling equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675974A (en) * 1985-10-17 1987-06-30 Tippins Machinery Co., Inc. Method of continuous casting and rolling strip
US4782683A (en) * 1986-03-03 1988-11-08 Tippins Incorporated Hot strip mill shape processor and method
US5689991A (en) * 1995-03-28 1997-11-25 Mannesmann Aktiengesellschaft Process and device for producing hot-rolled steel strip
US20080245499A1 (en) * 2003-03-07 2008-10-09 Gonda Metal Industry Corporation Ltd. Method and apparatus for producing thin magnesium based alloy plate
US7726383B2 (en) * 2000-10-23 2010-06-01 Thyssenkrupp Stahl Ag Method for producing a magnesium hot strip

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59191502A (ja) * 1983-04-15 1984-10-30 Hitachi Ltd ステッケルミルを備えた圧延設備
US5195344A (en) * 1987-03-06 1993-03-23 Nippon Kokan Kabushiki Kaisha Warm rolling facility for steel strip coils
JPS63220901A (ja) 1987-03-06 1988-09-14 Nkk Corp ストリツプコイル用温間圧延設備
JP3119692B2 (ja) * 1990-11-08 2000-12-25 株式会社日立製作所 連続式熱間帯鋼圧延設備及び圧延方法
EP0484882B1 (en) * 1990-11-08 1996-02-07 Hitachi, Ltd. Continuous hot strip rolling system and method thereof
JPH0515905A (ja) * 1991-05-24 1993-01-26 Sumitomo Metal Ind Ltd オーステナイト系ステンレス鋼の圧延方法
JPH0810805A (ja) * 1994-06-22 1996-01-16 Nippon Steel Corp 高珪素鋼板の圧延方法
JPH08264261A (ja) * 1995-03-27 1996-10-11 Nippon Steel Corp リバース式圧延装置
CN1240493C (zh) * 2001-07-17 2006-02-08 株式会社哈热那 冷轧延系统及冷轧延方法
JP2003053415A (ja) * 2001-08-07 2003-02-26 Ofic Co マグネシウムおよびその合金薄板圧延における均温加熱装置
JP3659208B2 (ja) * 2001-09-28 2005-06-15 住友金属工業株式会社 ＭｇまたはＭｇ合金帯板の製造方法および製造装置
RU2215599C1 (ru) * 2002-04-08 2003-11-10 Закрытое акционерное общество "Промышленный центр "МАТЭКС" Способ производства листов и плит из магниевых сплавов
JP2004066302A (ja) * 2002-08-07 2004-03-04 Tadamasa Fujimura マグネシウム合金材の製造装置、マグネシウム合金材の製造方法、およびマグネシウム合金材
JP2004090065A (ja) 2002-09-02 2004-03-25 Jfe Steel Kk 大圧下圧延方法及びそれを用いた熱延鋼帯の製造方法
JP2007269058A (ja) 2006-03-30 2007-10-18 Mazda Motor Corp カーテンエアバッグ装置を備えた車両の後部構造
CN1827250A (zh) * 2006-04-19 2006-09-06 北京科技大学 一种用于镁合金带卷生产的轧制装置
CN100463732C (zh) * 2006-05-22 2009-02-25 苏州有色金属加工研究院 镁合金板坯的铸轧工艺及设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675974A (en) * 1985-10-17 1987-06-30 Tippins Machinery Co., Inc. Method of continuous casting and rolling strip
US4782683A (en) * 1986-03-03 1988-11-08 Tippins Incorporated Hot strip mill shape processor and method
US5689991A (en) * 1995-03-28 1997-11-25 Mannesmann Aktiengesellschaft Process and device for producing hot-rolled steel strip
US7726383B2 (en) * 2000-10-23 2010-06-01 Thyssenkrupp Stahl Ag Method for producing a magnesium hot strip
US20080245499A1 (en) * 2003-03-07 2008-10-09 Gonda Metal Industry Corporation Ltd. Method and apparatus for producing thin magnesium based alloy plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9248482B2 (en) 2011-03-11 2016-02-02 Fata Hunter, Inc. Magnesium roll mill

Also Published As

Publication number Publication date
TW200927315A (en) 2009-07-01
CN101821025A (zh) 2010-09-01
EP2208547B1 (en) 2014-07-30
WO2009051134A1 (ja) 2009-04-23
CN101821025B (zh) 2013-10-30
KR20100072349A (ko) 2010-06-30
JP5173347B2 (ja) 2013-04-03
RU2438806C1 (ru) 2012-01-10
KR101204494B1 (ko) 2012-11-26
EP2208547A4 (en) 2013-04-03
EP2208547A1 (en) 2010-07-21
JP2009095849A (ja) 2009-05-07
CA2702659A1 (en) 2009-04-23

Similar Documents

Publication Publication Date Title
EP2213387B1 (en) Magnesium alloy hot-rolling mill
US20110100083A1 (en) Magnesium hot rolling method and apparatus
KR101429351B1 (ko) 띠 형상 전극의 제조 장치 및 제조 방법
CN102725125B (zh) 用于纵向拉伸薄膜带的装置和方法
JPH02175009A (ja) 熱間圧延される帯鋼の製造方法及び装置
CN102548679B (zh) 热轧的冷却装置及冷却方法
US4171632A (en) Method of and apparatus for hot-rolling a thin metal sheet
CN119870149A (zh) 减小硅钢产品横向同板差的方法
JPH10175001A (ja) 熱間圧延設備及び熱間圧延方法
US20180141095A1 (en) Method for the stepped rolling of a metal strip
JP5173347B6 (ja) マグネシウム合金熱間圧延方法及びマグネシウム合金熱間圧延装置
JP4165723B2 (ja) 熱間圧延方法及び設備
AU2005201424B2 (en) Improved method and apparatus for producing oriented plastic strap
TWI413556B (zh) 熱軋的冷卻裝置及冷卻方法
KR100513594B1 (ko) 냉연 고장력강 열연소재의 긁힘 방지방법
JP3349425B2 (ja) 厚板圧延方法およびその装置
Shuwei et al. Analysis and Improvement of Warpage Cause of High Strength Steel in Commercial Vehicle
KR101443083B1 (ko) 소재 권취장치
CN118180143A (zh) 一种钢材轧制方法
JP2000126803A (ja) 熱間圧延方法及び設備
JP2006274283A (ja) 電磁鋼板製造ラインの張力制御方法
JP2009269087A (ja) 熱延の冷却装置および冷却方法
JP2005272909A (ja) 連続焼鈍ラインのルーパにおける鋼帯の張力制御方法
JPH11267710A (ja) 熱間薄板圧延ライン
CN1727087A (zh) 用于通过连续铸造方法连续制造扁平钢产品的方法和系统

Legal Events

Date Code Title Description
AS Assignment

Owner name: IHI METALTECH CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAZOE, NOBUHIRO;HONJOU, HISASHI;MATSUMURA, HIDEO;AND OTHERS;REEL/FRAME:025463/0881

Effective date: 20101206

Owner name: IHI CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAZOE, NOBUHIRO;HONJOU, HISASHI;MATSUMURA, HIDEO;AND OTHERS;REEL/FRAME:025463/0881

Effective date: 20101206

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION