EP0233278A1 - Rolleneinführung. - Google Patents
Rolleneinführung.Info
- Publication number
- EP0233278A1 EP0233278A1 EP86905763A EP86905763A EP0233278A1 EP 0233278 A1 EP0233278 A1 EP 0233278A1 EP 86905763 A EP86905763 A EP 86905763A EP 86905763 A EP86905763 A EP 86905763A EP 0233278 A1 EP0233278 A1 EP 0233278A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- guide
- roller
- guide rollers
- housing
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
- B21B39/165—Guides or guide rollers for rods, bars, rounds, tubes ; Aligning guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/08—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-force
Definitions
- Roller guide especially for billet, bar and wire mill stands
- the invention relates to a roller guide, in particular for billet, bar and wire-rolling stands, of the type specified in the preamble of claim 1.
- Such roller guides are used to introduce the rolling stock in the correct orientation into a caliber of two caliber rolls of the associated roll stand and, in particular, are also intended to prevent the rolling stock from twisting about its longitudinal axis as it passes through the caliber, which can be easily done especially if that Rolled material has an elongated cross-section, for example a spike-edged cross-section or an oval cross-section, and runs upright between the two caliber rolls in a flattened or circular caliber thereof, in order to be plastically deformed while shortening the longer cross-sectional axis.
- elongated cross-section for example a spike-edged cross-section or an oval cross-section
- the two guide rollers are profiled in accordance with the rolling stock cross section and their center distance is adjusted in accordance with the rolling stock cross section so that the rolling stock runs absolutely free of play between the two guide rollers which rest against the rolling stock with a predetermined pressure.
- This mutual adjustment of the guide rollers is usually carried out outside the associated roll stand in the workshop with the aid of mechanical or optical measuring devices, after which the roller guide is attached to the roll stand, with a careful adjustment to the associated caliber in order to ensure that the rolling stock cross-section axes coincide with the caliber cross-section axes.
- the roller guides consist of a housing for receiving a preliminary guide, which allows the rolling stock to slide between the two guide rollers, and two support arms for the guide rollers, which are pivotably mounted on the housing about two axes parallel to the axes of rotation of the guide rollers, in each case approximately in the middle between the two ends, at which the associated guide roller is rotatably mounted or an adjusting screw is provided, by means of which the respective support arm is pivoted with respect to the housing when adjusting the center distance of the two guide rollers.
- the housing can be fastened to the associated roll stand, in a position which can be set precisely with respect to the caliber assigned to the roller guide.
- the described roller guides when carefully adjusted, enable very high rolling speeds of up to 100 m / sec, with the guide rollers being supported by ball, roller or kegclearing, which are lubricated with an oil / air mixture.
- problems arise in that the guide rollers or their center distance are set very precisely to a predetermined rolling stock cross section at the beginning of the rolling process, but this is in a rolling train consisting of a plurality of rolling stands connected in series due to wear of the calibrating rollers the roll stands, as well as the gap between the guide rollers, changes due to wear thereof, the caliber roller wear and the guide roller wear taking place at different speeds.
- These are also very high at the high rolling speeds, so that the rolling becomes critical after a relatively short time because the correct setting of the rolling train is lost. For this reason, a further increase in the rolling speed is considered to be of little use.
- the invention has for its object to provide a roller guide, in particular for billet, bar and wire-rolling stands, of the type specified in the preamble of patent claim 1, which in particular enables the original setting of a rolling mill even when operating with extreme maintain high rolling speeds in spite of the associated wear of guide rollers and caliber rollers, so that the achievement of a product of constant dimensions and quality is guaranteed, and which in particular also allows simple and quick adaptation to changes in the associated caliber if the caliber is used consideration of a modified order of Wal good is changed 'formvcrhaltens /.
- the roller guide according to the invention can have one sensor for each guide roller, but it is generally sufficient to provide only one sensor, since the two guide rollers are generally arranged in such a way that their pressure loads are the same.
- the or each sensor output signal can be fed to a display and / or registration device in order to readjust the guide rollers by means of adjusting screws during operation, if necessary, so that the original contact pressure on the rolling stock is maintained.
- the roller guide according to the invention makes it possible, so to speak, to "freeze" the original setting on rolling mills. It is particularly suitable for billet, bar and wire rolling mills.
- Fig. 1 is a side view
- Fig. 2 is a plan view.
- the roller guide shown has a housing 1 for a preliminary conductor 2, which is provided at the left end in FIGS. 1 and 2 with an upper traverse 3 and two lower side eyes which are aligned with the two ends of the traverse 3.
- a housing 1 for a preliminary conductor 2 which is provided at the left end in FIGS. 1 and 2 with an upper traverse 3 and two lower side eyes which are aligned with the two ends of the traverse 3.
- two support arms 5 are provided for two guide rollers 6, each of which is received between the adjacent end of the cross member 3 and the adjacent side eye 4 and in the middle of a bolt penetrating the end of the cross member 3, the support arm 5 and the side eye 7 are pivotally mounted about a vertical axis 8 on the housing 1.
- the two guide rollers 6 are rotatably supported on the left ends of the two support arms 5 in FIGS. 1 and 2 about two mutually parallel vertical axes 9 by means of roller bearings lubricated with oil mist.
- the support arms 5 are each provided with a horizontal adjustment screw 10 and a locking screw 11 for the adjustment screw 10, with which the respective support arm 5 is supported on the housing 1.
- the housing 1 is fastened to a billet, bar or wire-rolling stand, in a position in which the two guide rollers 6 precisely fit one caliber of two caliber rolls of the. Roll stand are aligned.
- the inserted in the housing 1, hollow precursor 2, the two ends of which protrude from the housing 1, serves to allow the rolling stock moving in the direction of arrow A to slide between the two guide rollers 6, which in turn the rolling stock into the immediately adjacent caliber Insert in the correct orientation so that the axes of the Wazgut cross section and the axes of the caliber cross section coincide.
- the two guide rollers 6 each have a circumference profiled according to the shape of the rolling stock cross section and the mutual distance between the axes of rotation 9 of the guide rollers 6 is set such that they rest on the circumference with a certain pressure on the rolling stock which passes between them.
- the roller guide is provided with at least one sensor 20 for detecting the pressure load on the guide rollers 6 by the rolling stock and emitting a corresponding output signal, which in the illustrated case is designed as an electrical pressure sensor, namely formed by a pressure sensor arranged between the housing 1 and an adjusting screw 10 which emits an electrical output signal which corresponds to the pressure applied by the adjusting screw 10.
- the sensor 20 can instead also be designed as an electrical strain sensor and formed by a strain gauge which is attached to a support arm 5 or to the upper cross member 3 of the housing 1 and supplies an electrical output signal which the Elongation of the support arm 5 or the cross member 3 corresponds.
- a sensor 20 can also be assigned to each guide roller 6, just as it is possible to design the sensor 20 or sensors 20 differently, namely, for example, as a mechanical, pneumatic or hydraulic pressure or strain sensor. However, it is essential in any case that the sensor 20 or sensors 20 detects the pressure load on the guide rollers 6 by the rolling stock as it passes between the two guide rollers 6.
- the pressure load of the guide rollers 6 that occurs and the corresponding output signal of the or each sensor 20 is determined by means of a cross-section corresponding to a gauge or a measuring mandrel, so that any change in the output signal during operation of the roller guide during the rolling process indicates a reduction in the rolling stock cross-section to smaller values and an increase in the rolling stock cross-section between the guide rollers 6 to higher values and can be used to readjust the guide rollers 6 or to change the position of the two caliber rolls deforming the rolling stock of an upstream rolling stand, so that the original sensor output signal is again obtained and therefore not ht only the two guide rollers 6 safely guide the rolling stock, but also the rolling stock cross section between the two guide rollers 6 remains unchanged.
- the rolling speed on the first roll stand is 0.12 m / sec, on the last roll stand it is 73 m / sec. That as a result of the rougher
- Billets of the type specified in Example 1 are also rolled out to a wire with a diameter of 5.5 mm, in the same rolling train, which is however provided with the roller guides according to the invention according to FIGS. 1 and 2.
- the roller guides provided with the sensors 20 are set optically and then set to an electrical sensor output signal with a measuring mandrel.
- the caliber rolls of the roll stands are also set using a probe.
- the wire rolled out of the first billet is true to size and can be sold as a so-called la product.
- the electrical sensor output signals of the roller guides of the seventh and ninth rolling stands increase, which is compensated for by closing the caliber rolls of the sixth rolling stand.
- the wire on the last roll stand becomes full, which is corrected by closing the caliber rolls of the fourteenth roll stand, but this has the consequence that the electrical sensor output signal of the roller guide of the fifteenth roll stand drops to the value zero.
- the caliber rolls of the fourteenth mill stand are opened again in order to restore the original oval thickness, so that the original value of the electrical sensor output signal is also restored.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86905763T ATE44248T1 (de) | 1985-08-19 | 1986-08-12 | Rolleneinfuehrung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8523750U | 1985-08-19 | ||
DE8523750U DE8523750U1 (de) | 1985-08-19 | 1985-08-19 | Rollenführung, insbesondere für Knüppel, Stab- und Drahtwalzgerüste |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0233278A1 true EP0233278A1 (de) | 1987-08-26 |
EP0233278B1 EP0233278B1 (de) | 1989-06-28 |
Family
ID=6784350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86905763A Expired EP0233278B1 (de) | 1985-08-19 | 1986-08-12 | Rolleneinführung |
Country Status (4)
Country | Link |
---|---|
US (1) | US4790164A (de) |
EP (1) | EP0233278B1 (de) |
DE (2) | DE8523750U1 (de) |
WO (1) | WO1987001059A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5370290A (en) * | 1992-02-12 | 1994-12-06 | Gilliland; Malcolm T. | Wire feeder allowing for wire slippage without damaging wire |
JPH0734934B2 (ja) * | 1992-11-06 | 1995-04-19 | 寿産業株式会社 | 圧延鋼材の誘導案内方法並びにローラガイド装置及びローラガイド装置列 |
JPH0771686B2 (ja) * | 1993-01-28 | 1995-08-02 | 寿産業株式会社 | 圧延鋼材の高剛性型誘導案内方法 |
JP2800687B2 (ja) * | 1994-07-11 | 1998-09-21 | 富士通株式会社 | 用紙搬送装置 |
US5937689A (en) * | 1997-11-10 | 1999-08-17 | Fabris; Mario | Triple roller entry guide |
US5911784A (en) * | 1998-10-19 | 1999-06-15 | Fabris; Mario | Sizing roll stand for a steel mill |
JP4291479B2 (ja) | 1999-03-11 | 2009-07-08 | 寿産業株式会社 | ローラーガイドによる圧延方法 |
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 |
TW522058B (en) * | 1999-05-03 | 2003-03-01 | Morgan Construction Co | Adjustable monitoring guide |
US20060283227A1 (en) * | 2005-06-20 | 2006-12-21 | Monahan Joseph J | Rolling mill roller guide |
EP2014380A1 (de) * | 2007-06-11 | 2009-01-14 | ArcelorMittal France | Verfahren zum Walzen eines Metallstreifens mit Einstellung seiner Seitenposition und entsprechendes Walzwerk |
CN104084496B (zh) * | 2014-07-04 | 2017-11-17 | 巢湖市金业电工机械有限公司 | 带材滚压滑块定位板 |
SE538558C2 (en) * | 2014-12-18 | 2016-09-20 | Morgårdshammar Ab | A roller guide and a method for guiding stock |
JP6655333B2 (ja) * | 2015-10-05 | 2020-02-26 | 日鉄ステンレス株式会社 | コンパクトミル用ローラーガイド |
RU2625517C1 (ru) * | 2016-05-23 | 2017-07-14 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Привалковая арматура прокатного стана |
US10702901B2 (en) * | 2017-01-11 | 2020-07-07 | Aktiebolaget Skf | Guide roller |
IT201700048436A1 (it) | 2017-05-04 | 2018-11-04 | Danieli Off Mecc | Apparato e metodo di guida di prodotti metallici |
CN107413862A (zh) * | 2017-08-11 | 2017-12-01 | 张家港联峰钢铁研究所有限公司 | 一种设有耐磨件的滑动进口导卫装置 |
DE102020206297A1 (de) * | 2019-09-19 | 2021-03-25 | Sms Group Gmbh | Zwischengerüstführung an einem Vertikalwalzgerüst einer Walzstraße sowie Verfahren zur Führung des Walzgutes unter Verwendung der Zwischengerüstführung |
US11701694B2 (en) * | 2021-06-11 | 2023-07-18 | Primetals Technologies USA LLC | Automated calibration and realtime communication of data, problems, damage, manipulation, and failure from a network of battery powered smart guide nodes within a rolling mill |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2342374A (en) * | 1941-03-19 | 1944-02-22 | Sperry Prod Inc | Strain gauge for rolling mills and the like |
DE1060825B (de) * | 1956-11-19 | 1959-07-09 | Moeller & Neumann Gmbh | Einrichtung zum Verstellen der Rollen eines Rolleneinfuehrungskastens fuer Walzwerke in Laengsrichtung der Rollenachsen |
GB1285995A (en) * | 1969-03-19 | 1972-08-16 | Templeborough Rolling Mills Lt | Instruments for use in setting roller guides |
BE787685A (fr) * | 1971-08-20 | 1973-02-19 | Uss Eng & Consult | Correcteur de derive pour transducteurs |
DE7415378U (de) * | 1974-05-02 | 1974-08-01 | Schloemann Siemag Ag | Vorrichtung zum Einführen von Walzgut in den Walzspalt eines Kaliberwalzenpaares |
GB1534882A (en) * | 1975-10-17 | 1978-12-06 | British Steel Corp | Roller guides |
US4123927A (en) * | 1976-07-14 | 1978-11-07 | Friedrich Kocks Gmbh & Co. | Rolling mill |
JPS5656717A (en) * | 1979-10-12 | 1981-05-18 | Sumitomo Metal Ind Ltd | Controlling method for guide of steel shape rolling mill |
DE3423560A1 (de) * | 1984-06-27 | 1986-01-09 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Positioniersteuereinrichtung fuer vor dem eingang von warmbreitband-fertigwalzstrassen angeordnete, quer zur walzrichtung verschiebbare fuehrungslineale bzw. fuehrungsrollen |
-
1985
- 1985-08-19 DE DE8523750U patent/DE8523750U1/de not_active Expired
-
1986
- 1986-08-12 DE DE8686905763T patent/DE3664111D1/de not_active Expired
- 1986-08-12 EP EP86905763A patent/EP0233278B1/de not_active Expired
- 1986-08-12 WO PCT/EP1986/000474 patent/WO1987001059A1/de active IP Right Grant
- 1986-08-12 US US07/051,748 patent/US4790164A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO8701059A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1987001059A1 (en) | 1987-02-26 |
US4790164A (en) | 1988-12-13 |
DE8523750U1 (de) | 1985-10-10 |
DE3664111D1 (en) | 1989-08-03 |
EP0233278B1 (de) | 1989-06-28 |
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