EP1278692B1 - Vorrichtung zum führen eines metallbandes auf einem gaskissen - Google Patents
Vorrichtung zum führen eines metallbandes auf einem gaskissen Download PDFInfo
- Publication number
- EP1278692B1 EP1278692B1 EP01949089A EP01949089A EP1278692B1 EP 1278692 B1 EP1278692 B1 EP 1278692B1 EP 01949089 A EP01949089 A EP 01949089A EP 01949089 A EP01949089 A EP 01949089A EP 1278692 B1 EP1278692 B1 EP 1278692B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal strip
- nozzle fields
- strip
- longitudinal direction
- nozzle
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/3466—Feeding or guiding devices not specially adapted to a particular type of apparatus by using specific means
- B21C47/3475—Fluid pressure or vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/63—Continuous furnaces for strip or wire the strip being supported by a cushion of gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/10—Means using fluid made only for exhausting gaseous medium
- B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
- B65H2406/112—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along preferably rectilinear path, e.g. nozzle bed for web
Definitions
- the invention relates to a device for guiding a metal strip on a gas cushion with rows lined up in the longitudinal direction of the belt Blow boxes with the nozzle fields extending transversely to the longitudinal direction of the strip
- Devices for guiding a tape are e.g. B. from US 5 855 672 and 5 230 165 are known.
- the nozzle fields extend transversely to the belt longitudinal direction and have perforated nozzles distributed over the field surface. That through these perforated nozzles gas flowing against the metal strip forms a supporting air cushion that passes through a gas flow from slit nozzles is supported which is transverse to the longitudinal direction of the strip run and limit the field area forming the perforated nozzles.
- the gas pillow is not only used for contactless guidance of the metal strip, but also for Heat transfer must also be applied to heat treat the metal strip the heat influences are taken into account, which among other things require that the metal band bulges around a central longitudinal axis.
- the conditions be chosen for the supporting air cushion so that in the middle of the A sufficient distance from the blow boxes can be ensured can, in order to exclude contact in the longitudinal edge area.
- This necessary Distance increase in the central area is, however, with a decrease in Load capacity, which means either the use of thinner metal strips or a Increasing the gas volume flow through the nozzle fields required.
- the invention is therefore based on the object of a device for guiding a metal strip on an air cushion of the type described at the beginning, that a metal band arching under the influence of heat is contactless can be performed without a due to the curvature of the metal strip Having to accept loss of load capacity.
- the invention solves this problem in that the nozzle fields at least in one end section on both sides transversely to the tape longitudinal direction sloping field sections have a convex basic shape.
- the nozzle fields can be an approximately uniform distance between in a simple manner the metal strip and the nozzle fields are ensured so that the load capacity the air cushion generated by the nozzle fields can be fully used, without running the risk that the longitudinal edges of the tape touch the blow boxes.
- the to the Curvature of the heated metal strip, the convex basic shape of the nozzle fields is aligned also provides a largely vertical flow of the Metal straps also secure in the longitudinal edge area, so that overall advantageous bearing conditions can be guaranteed.
- the continuous curvature of the metal strip across the length of the strip can be done in the simplest case by transverse to the belt longitudinal direction on both sides sloping field sections realized in an end section of the nozzle fields become.
- the field sections can ensure curvature of the heated metal strip of the nozzle fields increasingly decrease on both sides. This condition can be achieved by polygonal lined up longitudinal sections of the nozzle fields.
- a constant curvature of the nozzle fields is possible, too however, is associated with a correspondingly greater manufacturing outlay.
- blow boxes with appropriate Nozzle arrays are provided to provide even heat treatment from both Allow sides of the metal band.
- the upper nozzle fields With such a nozzle array arrangement, and above the metal strip to be guided, it is recommended to use the upper nozzle fields with a shape adapted to the convex basic shape of the lower nozzle fields to develop a concave basic shape.
- This concave basic shape of the upper nozzle fields naturally does not affect the load-bearing capacity, but has a significant influence to the even heat transfer, which is probably not explained in more detail are needed.
- the device for Guide a metal strip 1 from a frame 2, which is lined up in the longitudinal direction 3 Blow boxes 4 carries, the nozzle fields 5 form.
- These nozzle fields 5 extend transversely to the tape longitudinal direction 3 and have distributed over the field surface Perforated nozzles 6 through which gas, for example air, form a gas cushion is blown against the metal strip 1.
- gas for example air
- slot nozzles 8 are provided, which Limit the field of perforated nozzles 6 and with their gas jets through the perforated nozzles Support 6 gas pillows.
- the gas flow deflected on the metal strip 1 flows on the one hand between the two rows of slot nozzles of each nozzle array 5 against the Longitudinal edges 9 of the metal strip 1 down and on the other hand gets into between the blow boxes 4 formed backflow channels 10, which extend from the longitudinal center of the Metal strip 1 against the longitudinal edges 9 out due to roof-shaped sloping frame surfaces 11 expand with regard to the flow cross-section in order to for a possible low flow velocity and thus a comparatively low one To ensure pressure drop.
- the nozzle fields 5 detect the invention on a convex basic shape, which warms to the curvature of the Metal strip 1 is adapted to between the metal strip 1 and the nozzle surfaces 5th to ensure an approximately constant distance over the bandwidth.
- the convex basic shape of the Blow boxes 4 through increasingly descending from a central section 12 Reached longitudinal sections 13 of the field surface, which are strung together like a polygon are to make a sufficient adjustment to the steady curvature of the arched To enable metal strip 1 with simple constructive means. Based on these Adaptation results in advantageous load ratios, without the non-contact Guide the metal strip 1 on the gas cushion of the nozzle fields 5 at risk.
- the invention is of course not based on the illustrated embodiment because, for example, the type and arrangement of the nozzles, but only around the convex, to the curvature of the heated metal strip 1 adapted basic shape of the lower blow boxes 4 and possibly the concave basic shape the nozzle fields 5 of the upper blow boxes 14 are, on the one hand, advantageous Structural conditions and on the other hand a uniform heat treatment of the curved metal strip 1 sure.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Fluid Mechanics (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Advancing Webs (AREA)
- Wire Bonding (AREA)
Abstract
Description
Claims (3)
- Vorrichtung zum Führen eines Metallbandes (1) auf einem Gaskissen mit in Bandlängsrichtung (3) mit Abstand hintereinandergereihten Blaskästen (4), die sich quer zur Bandlängsrichtung (3) erstreckende Düsenfelder (5) mit über die Feldfläche verteilten Lochdüsen (6) aufweisen, dadurch gekennzeichnet, daß die Düsenfelder (5) durch zumindest in einem Endabschnitt nach beiden Seiten hin quer zur Bandlängsrichtung abfallende Feldabschnitte (1, 3) eine konvexe Grundform aufweisen.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Feldabschnitte (13) der Düsenfelder (5) nach beiden Seiten hin zunehmend abfallen.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß beim Vorsehen von Düsenfeldern (5) unter- und oberhalb des zu führenden Metallbandes (1) die oberen Düsenfelder (5) eine an die konvexe Grundform der unteren Düsenfelder (5) angepaßte konkave Grundform aufweisen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0079100A AT409301B (de) | 2000-05-05 | 2000-05-05 | Vorrichtung zum führen eines metallbandes auf einem gaskissen |
AT7912000 | 2000-10-25 | ||
PCT/AT2001/000160 WO2001083346A1 (de) | 2000-05-05 | 2001-04-25 | Vorrichtung zum führen eines metallbandes auf einem gaskissen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1278692A1 EP1278692A1 (de) | 2003-01-29 |
EP1278692B1 true EP1278692B1 (de) | 2003-12-10 |
Family
ID=3680989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01949089A Expired - Lifetime EP1278692B1 (de) | 2000-05-05 | 2001-04-25 | Vorrichtung zum führen eines metallbandes auf einem gaskissen |
Country Status (8)
Country | Link |
---|---|
US (1) | US20030047642A1 (de) |
EP (1) | EP1278692B1 (de) |
KR (1) | KR20030034066A (de) |
CN (1) | CN1440360A (de) |
AT (1) | AT409301B (de) |
AU (1) | AU7033701A (de) |
DE (1) | DE50101142D1 (de) |
WO (1) | WO2001083346A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT409183B (de) * | 2000-05-05 | 2002-06-25 | Ebner Peter Dipl Ing | Vorrichtung zum führen eines metallbandes auf einem gaskissen |
EP1556300B1 (de) * | 2002-10-19 | 2008-11-05 | Koenig & Bauer Aktiengesellschaft | Leitelemente einer bahnerzeugenden oder -verarbeitenden maschine |
DE10306509B4 (de) * | 2003-02-14 | 2007-08-23 | Otto Junker Gmbh | Düsenfeld zur schwebenden Führung von Warenbahnen |
DE10359113A1 (de) * | 2003-12-17 | 2005-07-21 | Voith Paper Patent Gmbh | Breitstreckvorrichtung |
DE102005054995B4 (de) * | 2005-07-28 | 2014-03-13 | Otto Junker Gmbh | Düsensystem für die Behandlung von bahnförmigem Gut |
RU2396137C2 (ru) * | 2005-08-01 | 2010-08-10 | Эбнер Индустриофенбау Гезелльшафт М.Б.Х. | Устройство для охлаждения металлической ленты |
DE102016214075A1 (de) * | 2016-07-29 | 2018-02-01 | Sms Group Gmbh | Vorrichtung und Verfahren zum Ausbilden einer Querwölbung an einem aus einem Glühofen austretenden Metallband |
DE102017104909A1 (de) * | 2017-03-08 | 2018-09-13 | Ebner Industrieofenbau Gmbh | Bandschwebeanlage mit einem Düsensystem |
DE102019105167B3 (de) * | 2019-02-28 | 2020-08-13 | Ebner Industrieofenbau Gmbh | Schwebebandofen |
CN113800294A (zh) * | 2021-10-21 | 2021-12-17 | 江苏盛玛特新材料科技有限公司 | 一种无纺布生产用的收卷设备 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3332759A (en) * | 1963-11-29 | 1967-07-25 | Permaglass | Method of and apparatus for manufacturing glass sheets on a gas support bed |
US3375093A (en) * | 1965-01-11 | 1968-03-26 | Permaglass | Method and apparatus for curving glass sheets or the like on a gas support bed |
US3477839A (en) * | 1966-06-02 | 1969-11-11 | Ppg Industries Inc | Apparatus for bending glass sheets on a gas support bed |
FR2483839A1 (fr) * | 1980-06-10 | 1981-12-11 | Saint Gobain Vitrage | Elements de bombage de plaques en un materiau a l'etat plastique, application de ces elements au bombage et a la trempe desdites plaques et dispositifs equipes de tels elements |
JPH0213453Y2 (de) * | 1985-04-11 | 1990-04-13 | ||
JPH0818678B2 (ja) * | 1989-09-05 | 1996-02-28 | 日本板硝子株式会社 | エアベッド搬送装置 |
DE4110875A1 (de) * | 1991-04-04 | 1992-10-08 | Voith Gmbh J M | Trockenpartie |
JPH06305618A (ja) * | 1993-04-26 | 1994-11-01 | Mitsubishi Heavy Ind Ltd | ターンバー |
US5522912A (en) * | 1993-09-24 | 1996-06-04 | Nippon Sheet Glass Co., Ltd. | Apparatus for manufacturing three-dimensionally curved sheet glass |
JPH07233422A (ja) * | 1994-02-22 | 1995-09-05 | Daido Steel Co Ltd | 帯板浮揚支持装置 |
US5570519A (en) * | 1995-02-10 | 1996-11-05 | Valmet Corporation | Method and device in contact-free treatment of a web |
DE29508421U1 (de) * | 1995-05-20 | 1995-09-14 | Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim | Stationäre Gleitleiste |
US6286338B2 (en) * | 1998-02-26 | 2001-09-11 | Visteon Global Technologies, Inc. | Block assembly for a gas-type lehr |
-
2000
- 2000-05-05 AT AT0079100A patent/AT409301B/de not_active IP Right Cessation
-
2001
- 2001-04-25 US US10/240,064 patent/US20030047642A1/en not_active Abandoned
- 2001-04-25 DE DE50101142T patent/DE50101142D1/de not_active Expired - Fee Related
- 2001-04-25 EP EP01949089A patent/EP1278692B1/de not_active Expired - Lifetime
- 2001-04-25 KR KR1020027014775A patent/KR20030034066A/ko not_active Application Discontinuation
- 2001-04-25 AU AU70337/01A patent/AU7033701A/en not_active Abandoned
- 2001-04-25 WO PCT/AT2001/000160 patent/WO2001083346A1/de active IP Right Grant
- 2001-04-25 CN CN01808950A patent/CN1440360A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2001083346A1 (de) | 2001-11-08 |
AT409301B (de) | 2002-07-25 |
DE50101142D1 (de) | 2004-01-22 |
EP1278692A1 (de) | 2003-01-29 |
ATA7912000A (de) | 2001-11-15 |
CN1440360A (zh) | 2003-09-03 |
AU7033701A (en) | 2001-11-12 |
KR20030034066A (ko) | 2003-05-01 |
US20030047642A1 (en) | 2003-03-13 |
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