CN1016762B - 轧制连铸型坯的方法和设备 - Google Patents
轧制连铸型坯的方法和设备Info
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 38
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- 229910000831 Steel Inorganic materials 0.000 claims description 21
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- 238000009721 upset forging Methods 0.000 abstract 3
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- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
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- 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
- B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/14—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 structural sections, i.e. work of special cross-section, e.g. angle steel in a non-continuous process, i.e. at least one reversing stand
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- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/466—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 metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
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- 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
- B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/088—H- or I-sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/001—Convertible or tiltable stands, e.g. from duo to universal stands, from horizontal to vertical stands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B2013/003—Inactive rolling stands
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49988—Metal casting
- Y10T29/49991—Combined with rolling
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Abstract
将连铸的型坯轧制成型钢的方法,以及一个按该方法工作的可逆一串列式机架组。只需较少量的费用,就能基本上一种型坯轧制出各种不同尺寸规格的型材。为此,在可逆一串列式机架组的前面设置一个可翻转的轧边机架,该机架仅可在轧制高度有所降低的工字梁时向工字梁的翼缘压下,以缩短其腹板的高度;再一种可能在于,为了增加腹板的高度,使前面的轧边机架的轧辊向翼缘的侧边压下。
Description
本发明涉及一种把通过一种适当的,如连续式加热炉加热后的连铸型坯轧制成型钢的方法,该方法借助于组合成一个布置紧凑的机组的、可逆式万能机架,在其中一个可逆式万能机架的前面设有翼缘-轧边机架;发明还涉及一个轧制连铸型坯的可逆-串列式机组。
一般说来,轧制型钢应设一条轧线,如SMS施奈曼-西马克公司(杜塞尔多夫市)样本W2/3115所述,该轧线的入口侧设一台重型可逆式开坯机,经过一条较长的辊道接上后面的一个同样是可逆轧制的可逆-串列式机组,该机组又经过一条相应长的辊道与出口侧的精轧机组相接。按照DE-OS3627729,可以取消单独设置的精轧机组和设在该机组前方的轧道,条件是,把可逆串列式机组中的第二个,即最后一个万能机架设计成精轧机架。如果轧制型钢用的坯料不是钢锭,而是连铸的型材,则还可省去用以进行多道次初轧的开坯机。在选择连铸用结晶器时,要力图影响做为轧制坯料用的连铸型材的断面形状,在用于轧制成品型材时使其具备型材的初步雏形,并在不采取其他措施的条件下能使其进入万能机架中的第一个机架。在这种努力中,成功地连铸出了一种型坯,在其腹板的两端有所增强,称之为“狗骨”状型坯。
可是,在这期间发现,这样一种型坯的外形尺寸在相当大程度上已决定了可通过可逆-串列式机组轻易获得的成品型材,譬如通过万能轧机取得的工字梁型材,而生产U形型钢时,采用二辊式轧机轧制就能成功。由于变更连铸型坯须用新的结晶器,并且更换结晶器又需要对生产
不利的停机时间,所以人们正在努力,尽可能只采用唯一种预定规格的型坯。虽然用这种型坯可以没有问题地轧制出适中断面的成品型材,但要用其生产比上述成品型材的外观尺寸有所增大或有所缩小的成品型材却需很高的附加费用。
发明的目的在于,提供方法和实现这些方法的设备,通过这些方法和设备可以用较少的费用由唯一一种预定的型坯也能制出外观尺寸有所增大或有所缩小的成品型材。
实现本发明任务的措施是:在有可逆万能机架的一个紧凑机组中,在该机组前设置一可翻转的轧边机架,并且,为了轧制不同尺寸的型钢,此轧边机架是可调整的,当要轧制腹板高度较小的型钢时,此轧边机是垂直的,对着型钢的翼缘调整此轧边机的轧辊,可使连铸型材的腹板高度缩小;当要轧制腹板高度较大的型钢时,此轧边机是水平的,对着型钢翼缘的侧面调整此轧边机,可使连铸型材的腹板高度增大。根据具体需要,或者可把来自加热炉的连铸型坯的腹板加以镦粗,使其缩短,或者通过轧制,在生产连铸型坯时可轻易把其腹板部位加粗的基础上,可使铸型坯的腹板部位进一步加厚,或者可缩短翼缘的宽度,这样,只要少量费用就可由一种,或者说由一种只是稍有变化的原始连铸型坯轧制出多种规格的工字梁。
借助下面的实施例说明并结合描绘它的附图来阐明本发明的细节。附图示意地描绘了连铸型坯的生产过程和加热连铸型坯用的连续式加热炉以及用来进行轧制(型钢)的紧凑的轧制机组。
具体地说,钢水从钢水包浇入中间罐,中间罐再把钢水供给结晶器3。钢坯沿支承机构4在引锭杆驱动辊5的驱动下向前移动,并在经过拉校机6时被校直。为了简化附图,在附图中没有绘出连铸坯凝固后切割连铸坯用的剪切机或火焰切割机。根据轧钢厂的具体生产纲领,连铸型坯可以热送,或者冷送。热送时,连铸型坯,如图所示,被直接送往
保证最佳轧制温度的连续式加热炉8。在冷送的情况下,把切割后的型坯推到一个图中没有示出的格栅式冷床上,再用诸如吊车把型坯从冷床运至一个冷却库做中间储存。轧制时,把冷型坯运至可设有步进梁和/或一条炉内辊道的连续式加热炉8,并在加热至最佳轧制温度后把其推到其运行方向为后面的布置紧凑的轧钢厂的辊道7上。
布置紧凑的轧钢厂由一个轧边机架,即图中所示的立式轧边机架9、一个跟在其后的,做为大压下量工作机架使用的万能机架10、一个跟在其后的(卧式)翼缘轧边机架11和另一个跟在其后的,适宜设计成并用做精轧机架的万能机架12组成。
在作业时,把连铸的,经过剪切机、火焰切割机或类似设备剪切的型坯或是直接从冷却库送往一个适宜的、可确保轧制温度的加热炉,如实施例中的连续式加热炉8,加热至轧制温度后,再把型坯送至轧机。在轧制与连铸型坯相适应的型材时,各机座的轧制道次计划一般与可逆式轧制的相同。其中,根据待轧型材情况,万能机架10和12既可装备成万能机架使用,又可装备二辊式成套轧辊,做为二辊式机架使用。在轧制中被证明可靠的是,把机架10做为采用一般全压下量的工作机架使用,而把万能机架12做为精轧机架使用,换言之,机架12的压下量小于机架10的压下量,通过压下量和轧辊材质的相应选择,使轧辊的耐用度达到一致。轧制时一般采用可逆式轧制,即在譬如型坯通过三次的情况下,万能机架10和12共轧制6个道次,翼缘轧边机架11轧制3个道次。在轧制一般型材时,设在前方的立式轧边机架9的轧辊敝开,即不参与轧制。按本已公知的方式,万能机架10的立辊的辊身呈互相背向的两个锥形秃头形状,两个锥形秃头的断面朝辊颈方向逐渐缩小,以便在万能机架10轧制工字梁翼缘时使翼缘略弯呈V形,即形成人们所说的X孔型设计,而万能机架12的立辊基本上是园柱形辊身,根据H孔型设计,使翼缘处于一个垂直于腹板的平面之内。也可以把前面的万能机架
10的立辊辊身设计成园柱形,就是说,在任何情况下都构成H孔型并使翼缘处于一个垂直于腹板的平面之内。这样做的出发点是,在一般情况下轧制工字梁时,位于工字梁一侧的翼缘侧朝下,接触辊道,工字梁的腹板水平位于翼缘的一半高度。
如果非要生产比一般工字梁的腹板高度短的工字梁,则需附加使用立式轧边机架9并朝型坯的翼缘方向压下。通过向内压缩型坯的翼缘得到镦粗效果并从而达到缩短型坯腹板的目的。特别是在只用立式轧边机架9轧制一个道次的情况下,可用该机架与它后面的机架进行连续轧制,即当待轧型坯进入机架9,并在经过轧制镦粗腹板或者说缩短腹板高度后,连续进入其后面的万能机架10、翼缘轧边机架11和万能机架12。在轧材通过轧线逆行回来之后,立辊机架9的轧辊敝开,使其只有万能机架12,翼缘轧边机架11和万能机架10参与以后道次的轧制。
如果需要更多地缩短腹板的高度,则也要用立式机架9进行多次轧制,即可逆式轧制。在该机架进行第一个道次轧制和连铸型坯受轧制后第一次返回时,万能机架10和12(有时也包括翼缘轧边机架)的轧辊各自退回,使立式机架9单独轧制头两个道次。在连铸型坯第三次通过时,才压下万能机架10和12以及翼缘轧边机架11的轧辊。此时,可使另一个设在前面的、具有水平轧辊的轧边机架或翼缘轧边机架11的辊身区向型坯的腹板压下,以防腹板在受到轧制镦粗时弯曲,或把弯曲的腹板重新校直。
反之,为了加大腹板的高度,可把立式轧边机架9换成一个水平轧辊轧边机架。另一方面,也可把轧边机架9设计成可绕轧材轴线旋转90°的所谓可翻转机架,使其根据需要既能做为卧式机架,又可做为立式机架使用。此外,又可把翼缘轧边机架做为相应的卧式机架使用。再者,可设一个卧式轧边机架做为立式轧边机架9的补充。在上述任何一种情况下,可压下的孔型部分均不用于针对翼缘的侧边,而把轧辊孔型
的有效部分向待轧型坯的腹板区压下。通过对连铸型坯的腹板区的强力轧制使型槽展宽,换言之,使腹板高度增大。如果采用其腹板至少局部有所增大的连铸“狗骨”状型坯做轧制工字梁中毛坯,则可特别有效地采用上述卧式机架。一般可在不更换连铸结晶器3的情况下增大腹板区,使办法譬如是,相向窜动结晶器的一些构件。尤其是对这种至少在其中段有所增大的腹板而言,通过对这种腹板进行轧制,可大大增大其展量并从而增大腹板高度。
在上述所有情况下,均可省去譬如最多轧制可达15道次的一般重型开坯机及其所属辊道。用一种已经预成型的、与成品轧材相匹配的连铸型坯做毛坯,采用一个可逆一串列式机架组对其进行轧制,而在有利地采用基本上一种连铸型坯的条件下又不会不利地限制应生产的成品型材的规格范围。在前有立式轧边机架9的情况下,可没有问题地缩短腹板的高度,并在某些情况下与第一个万能机架的立辊的形状相配合,立辊呈互相背向的两个锥形秃头形状,锥形秃头的断面朝辊颈方向逐渐缩小。也可采用园柱形轧辊。如把可逆-串列式机架组的最后一个机架设计成并用做精轧机架,则还可省去本应设在轧线后方的一个精轧机架或精轧机组。精轧的成功经验在于,其压下量均要小于做为工作机架使用的万能机架的压下量。还有其它可能性,即或者设置一个卧式轧边机架,做为立式轧边机架的补充,或者设置一个可旋转90°的,根据选择既可成为立式又可成为卧式使用的机架。最后还有一种可能性,即用一个相应的卧式轧边机架取代立式轧边机架9。
Claims (8)
1、由型材坯轧制型钢的方法,采用的是一个由其中设有轧边机架的万能机架组成的、可逆作业的紧凑轧制机组,在该机组的前面设有一台翼缘轧边机架,其特征在于,为了由一种来自连铸设备的、其两端有所加粗的、经过予成型的并且其尺寸与最终产品的确定尺寸协调的连铸型材坯,生产出其尺寸与上述确定尺寸有差别的成品型材-型钢,通过设在紧凑轧制机组的诸机架前面的、有压下功能的可翻转的轧边机架,缩小连铸型材坯的腹板高度或者腹板厚度和/或翼缘宽度。
2、按照权利要求1的方法,其特征在于,为了生产腹板高度更大的型钢,采用最好是在其腹板中部区域有所加粗的连铸型材坯。
3、按照权利要求1或2的方法,其特征在于,连铸型材坯在脱离连铸设备(3,4,5,6)后直接进入前置轧边机架(9)。
4、按照权利要求1或2的方法,其特征在于,连铸型材坯在脱离连铸设备(3,4,5,6)后进入一个连续式加热炉(8),然后进入前置轧边机架(9)。
5、按照权利要求1至4之一项权利要求的方法,其特征在于,在轧材自由通过万能机架的过程中,翼缘轧边机架(11)或一个附加的轧边机架,以其轧辊辊身区域对轧材的腹板进行压下。
6、按照权利要求1至5之一项权利要求的方法,其特征在于,在前置轧边机架(9)中对连铸型材坯腹板的镦粗和随后进行的压延,是在一个或两个万能机架(10,12)的辊缝被打开让轧材自由通过的情况下进行的。
7、实施按照权利要求1至6之一项权利要求的方法的紧凑轧制机组,其特征在于,设在紧凑轧制机组(10,11,12)前面的前置轧边机架的结构为卧、立摆动式机架。
8、按照权利要求7的紧凑轧机组,其特征在于,在紧凑轧制机组(10,11,12)的后面设有一个精轧机组。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3636478A DE3636478C2 (de) | 1986-10-27 | 1986-10-27 | Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil |
DEP3636478.9 | 1986-10-27 |
Publications (2)
Publication Number | Publication Date |
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CN87107839A CN87107839A (zh) | 1988-06-22 |
CN1016762B true CN1016762B (zh) | 1992-05-27 |
Family
ID=6312539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN87107839A Expired CN1016762B (zh) | 1986-10-27 | 1987-10-27 | 轧制连铸型坯的方法和设备 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4860426A (zh) |
EP (1) | EP0265757B1 (zh) |
JP (1) | JP2529704B2 (zh) |
KR (1) | KR960012860B1 (zh) |
CN (1) | CN1016762B (zh) |
AT (1) | ATE87514T1 (zh) |
DE (2) | DE3636478C2 (zh) |
ES (1) | ES2039393T3 (zh) |
Cited By (1)
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CN100337956C (zh) * | 2005-02-02 | 2007-09-19 | 湖南省醴陵市楚华陶瓷实业有限公司 | 一种能自行生成竖状网纹、鱼鳞纹或横向网纹的面釉 |
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US5664452A (en) * | 1909-11-04 | 1997-09-09 | Sms Schloemann-Siemag Aktiengesellschaft | Method of rolling finished sections from a preliminary section in a reversing rolling stand arrangement |
DE4337555A1 (de) * | 1993-11-04 | 1995-05-11 | Schloemann Siemag Ag | Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil mittels einer im Reversierbetrieb arbeitenden Walzgerüst-Anordnung |
US5082047A (en) * | 1989-07-31 | 1992-01-21 | Bricmanage, Inc. | Method of continuously casting and rolling metallic strip |
US5018666A (en) * | 1989-12-01 | 1991-05-28 | Cf&I Steel Corporation | Unitary one quarter mile long railroad rail free of weld seams |
DE4210771C2 (de) * | 1992-04-01 | 1994-07-21 | Preussag Stahl Ag | Verfahren und Vorrichtung zum Herstellen eines Profiles |
DE4415762A1 (de) * | 1994-04-29 | 1995-11-02 | Mannesmann Ag | Verfahren und Vorrichtung zum Walzen von Trägern aus Vorprofilen |
DE19512931A1 (de) * | 1995-03-30 | 1996-10-02 | Mannesmann Ag | Universalgerüstgruppe und Verfahren zum Walzen von stranggegossenen Vorprofilen |
DE19729991A1 (de) * | 1997-07-12 | 1999-01-14 | Schloemann Siemag Ag | Verfahren zum Gießen und Walzen und eine Walzgerüstanordnung zum Walzen von Fertigprofilen (Spundwandprofilen) aus einem endabmessungsnahen, aus einer Stranggußeinrichtung kommenden Vorprofil |
DE19714216A1 (de) * | 1997-04-07 | 1998-10-08 | Schloemann Siemag Ag | Walzenstraße zum Walzen von Flachstahl |
DE19747656A1 (de) * | 1997-10-29 | 1999-05-12 | Schloemann Siemag Ag | Walzanlage für das Walzen aller Arten von Fertigprofilen |
US6112409A (en) * | 1997-11-14 | 2000-09-05 | Cosma International Inc. | Roll forming utilizing splitting technology |
JP3905666B2 (ja) * | 1999-04-28 | 2007-04-18 | 大阪製鐵株式会社 | 入口ローラガイド装置 |
CN101745534B (zh) * | 2008-12-15 | 2012-09-26 | 鞍钢股份有限公司 | 一种在热轧短流程工艺模式下进行常规轧制的方法 |
CN103553557B (zh) * | 2013-11-05 | 2015-09-09 | 北京科技大学 | 高炉熔渣生产铸石的连铸压延工艺方法及其设备 |
KR102271507B1 (ko) * | 2021-02-16 | 2021-06-30 | 지대헌 | 승합차량의 2열 독립시트용 시트 이송장치 |
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US1076784A (en) * | 1912-07-01 | 1913-10-28 | Johann Puppe | Process of rolling bars or girders or i, h, u, or like section. |
US1812247A (en) * | 1928-12-27 | 1931-06-30 | William C Oberg | Rolling mill plant and method of operating same |
DD46806A (zh) * | 1962-05-02 | |||
GB1292849A (en) * | 1968-12-09 | 1972-10-11 | Nippon Steel Corp | A method of rolling rails and a mill train for the same |
JPS503072A (zh) * | 1973-05-04 | 1975-01-13 | ||
JPS5192771A (en) * | 1975-02-12 | 1976-08-14 | Koyaitano yunibaasaruatsuenho | |
JPS5161459A (en) * | 1974-11-26 | 1976-05-28 | Nippon Steel Corp | Sokeikohenno renzokuseizohoho |
JPS52117861A (en) * | 1976-03-31 | 1977-10-03 | Nippon Steel Corp | Method of rolling hhshaped metal material |
DE2714985C2 (de) * | 1977-04-04 | 1982-05-06 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur Reinigung von Terephthalsäure |
JPS54123558A (en) * | 1978-03-18 | 1979-09-25 | Kawasaki Steel Co | Width widening and crude rolling method of h shaped steel material by hole forming mold |
DE2844433C2 (de) * | 1978-10-12 | 1985-05-09 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Walzstraße zum wahlweisen Walzen von schweren Trägerprofilen oder Schienen |
DE2844438C2 (de) * | 1978-10-12 | 1986-06-05 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Walzstraße zum Walzen von schweren Trägerprofilen oder Schienen |
SU966976A1 (ru) * | 1979-12-28 | 1984-02-23 | Западно-Сибирский Металлургический Завод Им.50-Летия Великого Октября | Способ непрерывной прокатки двутавровых профилей |
DE3419501A1 (de) * | 1984-05-25 | 1985-11-28 | Mannesmann AG, 4000 Düsseldorf | Kalibrierung fuer auf einer reversierbaren vorstrasse und anschliessender kontinuierlicher fertigstrasse gewalzte i- und u-traeger |
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DE3627729C2 (de) * | 1986-08-16 | 1996-03-07 | Schloemann Siemag Ag | Formstahl-Walzwerk |
-
1986
- 1986-10-27 DE DE3636478A patent/DE3636478C2/de not_active Expired - Lifetime
-
1987
- 1987-10-12 AT AT87114862T patent/ATE87514T1/de not_active IP Right Cessation
- 1987-10-12 DE DE8787114862T patent/DE3785138D1/de not_active Expired - Lifetime
- 1987-10-12 EP EP87114862A patent/EP0265757B1/de not_active Expired - Lifetime
- 1987-10-12 ES ES198787114862T patent/ES2039393T3/es not_active Expired - Lifetime
- 1987-10-23 KR KR1019870011789A patent/KR960012860B1/ko not_active IP Right Cessation
- 1987-10-27 CN CN87107839A patent/CN1016762B/zh not_active Expired
- 1987-10-27 JP JP62269516A patent/JP2529704B2/ja not_active Expired - Lifetime
- 1987-10-27 US US07/114,344 patent/US4860426A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100337956C (zh) * | 2005-02-02 | 2007-09-19 | 湖南省醴陵市楚华陶瓷实业有限公司 | 一种能自行生成竖状网纹、鱼鳞纹或横向网纹的面釉 |
Also Published As
Publication number | Publication date |
---|---|
KR960012860B1 (ko) | 1996-09-25 |
DE3785138D1 (de) | 1993-05-06 |
JPS63115601A (ja) | 1988-05-20 |
ES2039393T3 (es) | 1993-10-01 |
JP2529704B2 (ja) | 1996-09-04 |
DE3636478A1 (de) | 1988-04-28 |
CN87107839A (zh) | 1988-06-22 |
EP0265757A3 (en) | 1988-08-10 |
KR880004875A (ko) | 1988-06-27 |
DE3636478C2 (de) | 1996-10-31 |
ATE87514T1 (de) | 1993-04-15 |
EP0265757A2 (de) | 1988-05-04 |
EP0265757B1 (de) | 1993-03-31 |
US4860426A (en) | 1989-08-29 |
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