EP1145786B1 - Vorrichtung und Verfahren zum Bearbeiten von Hohlraumwänden einer Stranggiesskokille - Google Patents
Vorrichtung und Verfahren zum Bearbeiten von Hohlraumwänden einer Stranggiesskokille Download PDFInfo
- Publication number
- EP1145786B1 EP1145786B1 EP01108683A EP01108683A EP1145786B1 EP 1145786 B1 EP1145786 B1 EP 1145786B1 EP 01108683 A EP01108683 A EP 01108683A EP 01108683 A EP01108683 A EP 01108683A EP 1145786 B1 EP1145786 B1 EP 1145786B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool carrier
- cavity
- tool
- mechanism according
- mold
- 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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
- B24B33/022—Horizontal honing machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/057—Manufacturing or calibrating the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
Definitions
- the invention relates to a device for processing cavity walls a continuous casting mold according to the preamble of claim 1 and a method for machining cavity walls according to a continuous casting mold the preamble of claim 12.
- Convex mold can be achieved, which is known from EP 0 498 296.
- a mold has the mold walls along part of the mold length Bulges provided in a rectangular cavity in a flat Wall, in the case of round mold cavities, run out into a round strand cross section. Mold cavities are also known, the smaller ones in the corner areas Show pouring conicity than between the corner areas.
- Such mold cavities are both known with cutting machine tools because of the complex geometry on the one hand and on the other hand because of a poor accessibility in the tubular mold body and because of the unfavorable Relationship between mold length and light mold cross section not produceable.
- the object of the invention is an apparatus and a method for machining cavities of various configurations, especially for continuous casting molds for billet, bloom and profile strands to create, on the one hand a high mold cavity accuracy and a high surface quality and on the other hand an inexpensive industrial manufacturing process with reproducible process data is required.
- the stand and the support bearing adjacent to the stand can be individually or be arranged as a connected unit on a machine bed.
- the stand can be stationary on the machine bed and the tool holder relative to the stand by means of a drive, such as for example a ball screw or rack and pinion drive.
- the stand with guides is proposed for an oscillating movement in the longitudinal direction of the tool carrier and with a device for generating the oscillating movement longitudinally a distance that is slightly longer than the length of the mold cavity Mistake. This solution allows the tool holder to be replaced quickly for different cavity cross sections and cavity lengths.
- the tool carrier is arranged on two sides of the mold cavity Support bearings supported. This support allows an essentially vibration-free Working during the planing stroke.
- the support bearings can for example be arranged on a table movable relative to the machine bed and together with the tool carrier transversely to the longitudinal direction of the tool carrier NC-controlled relative movements with respect to the cavity of the mold To run. According to an advantageous exemplary embodiment, it is proposed that arrange the two support bearings stationary and between the two support bearings to provide a chill table that has facilities for NC-controlled movements across the longitudinal direction of the tool holder is.
- the tool carrier with the greatest possible bending moment can and at the same time good accessibility for editing in the Ensuring corners is proposed according to an embodiment, the tool carrier with an NC-controlled device for a rotary movement to equip its longitudinal axis.
- a further increase in performance in machining and an optimization in Surface quality and cavity accuracy can be achieved if one of the two Support bearing for the tool carrier can be moved in the longitudinal direction of the tool carrier is arranged on the machine bed and the distance between the two Support bearing can be adapted to the length of the mold to be machined.
- a support bearing from its working position by means of a displacement device to be moved downwards or sideways.
- the support bearing in the guide area is also proposed divisible in one division level for the tool carrier and an upper support bearing part can be raised and designed to lower a lower support bearing.
- the cutting performance and the surface quality in the mold cavity can be increased if the tool carrier is designed to be interchangeable and interchangeable Bearing shells in the support bearings to different diameters or cross-sectional shapes of the tool carrier are adaptable. This configuration allows for every mold dimension or mold cross-section to achieve optimal bending strength or vibration damping.
- 1 and 2 with 1 is a device for machining Continuous casting molds represented by planing.
- On a worktop 3 is one Continuous casting mold 2, for example a copper tube, by means of clamping devices 5 and 5 'positioned, supported and clamped.
- the clamping table 3 is with Provide facilities for NC-controlled movements in the x and y axes.
- the clamping table 3 is further arranged between two support bearings 7 and 8.
- the support bearings 7 and 8 lead a rod-shaped tool carrier 9, the in this example is equipped with a planing tool.
- the rod-shaped Tool carrier 9 is in the z-axis (i.e. in the longitudinal direction of the Tool holder 9) movable stand 10 connected.
- a drive 14 for a stroke movement of the Stand 10 and the tool holder 9 is shown schematically.
- the drive can, for example, via a ball screw, via an electromagnetic Linear drive or hydraulic etc. done.
- the rod-shaped tool carrier 9 has a length 15 which is greater than twice the length of the mold cavity of the mold 2.
- the two support bearings 7 and 8 have an intermediate space 16 which is somewhat larger than that Length 17 of the mold cavity.
- the stroke path 18 of the tool carrier 9 exceeds the length 17 of the mold cavity.
- the support bearing 7 is axially displaceable relative to the tool carrier 9 in this example arranged on a machine bed 19, the space 16 between to change the two support layers 7 and 8 or to adapt the length 17 of the mold.
- the support bearing 8 is in the guide area for the tool holder 9 a division level 22 and a support bearing upper part 23 is up can be lifted off and a lower support bearing part 24 can be lowered.
- the transport route for example on the transport rollers 25, can be cleared and the mold 2 on additional processing positions 26, 26 '(Fig. 2) can be transported for subsequent machining operations such as polishing etc.
- the support bearing 8 can, for example, also be lowered so far that the transport route for removing the mold tube is free.
- the tool carrier 9 is in this example with several planing tools 40 equipped, the planing alternately in both lifting directions allow.
- the tool holder 9 itself has an NC-controlled device equipped for a rotational movement a about its longitudinal axis 21. This Rotational movement a ensures that every planing tool in the entire cavity circumference the mold can be positioned and planed during the forward and reverse stroke can be.
- the tool carrier 52 is a tool carrier 52 with a rectangular cross section for processing of molds with, for example, a cavity with a pre-profile cross section shown for a double-T beam.
- the support bearings 50 are interchangeable Bearing shells 51 for different cross-sectional shapes of the tool carrier equipped.
- the process for processing cavities in continuous casting molds includes the following process steps:
- the mold 2 is brought onto the clamping table 3 by means of a transport device and at the same time the rod-shaped tool carrier 9 is passed through the mold cavity and the second support bearing 8 is brought into its position.
- the mold 2 is then positioned and clamped.
- the planing tool is continuously positioned before or during the planing stroke and by means of lifting movements of the tool carrier 9 in whose longitudinal direction creates the inner shape.
- a second planing tool can be positioned on the tool carrier 9 by means of a relative movement with respect to the cavity for the next planing stroke in each case and the reverse stroke can be carried out. This cycle is maintained until the entire circumference of the cavity is planed and the tool carrier 9 can be removed from the cavity of the mold 2.
- the processed mold 2 can be fed to a subsequent operation, for example polishing, etc., by means of a transport device.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Machine Tool Units (AREA)
- Chemical Treatment Of Metals (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Continuous Casting (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
- Fig. 1:
- eine Seitenansicht der erfindungsgemässen Bearbeitungsmaschine,
- Fig. 2:
- eine Draufsicht auf die Maschine gemäss Fig. 1,
- Fig. 3:
- eine Seitenansicht gemäss Pfeil A in Fig. 1,
- Fig. 4:
- einen vergrösserten Schnitt durch das aufgespannte Kokillenrohr gemäss Linie IV - IV in Fig. 1 und
- Fig. 5:
- einen Schnitt durch ein Stützlager.
Die Kokille 2 wird mittels einer Transporteinrichtung auf den Aufspanntisch 3 gebracht und gleichzeitig der stangenförmige Werkzeugträger 9 durch den Kokillenhohlraum hindurchgeführt und das zweite Stützlager 8 in seine Position gebracht. Anschliessend wird die Kokille 2 positioniert und festgespannt. Mittels einer NC-gesteuerten Drehbewegung a des Werkzeugträgers 9 sowie Bewegungen des Aufspanntisches 3 längs der x- und/oder y-Achse, d.h. quer zur Längsrichtung des Werkzeugträgers, wird das Hobelwerkzeug vor oder während des Hobelhubes laufend positioniert und mittels Hubbewegungen des Werkzeugträgers 9 in dessen Längsrichtung die Innenform erzeugt. Vor dem Rückwärtshub kann ein zweites Hobelwerkzeug am Werkzeugträger 9 durch eine Relativbewegung bezüglich des Hohlraums für den jeweils nächsten Hobelstoss positioniert und der Rückwärtshub durchgeführt werden. Dieser Zyklus wird so lange aufrechterhalten, bis der ganze Umfang des Hohlraumes gehobelt ist und der Werkzeugträger 9 aus dem Hohlraum der Kokille 2 entfernt werden kann. Mittels einer Transportvorrichtung kann die bearbeitete Kokille 2 einer nachfolgenden Operation, beispielsweise Polieren etc., zugeführt werden.
Claims (14)
- Vorrichtung zum spanabhebenden Bearbeiten der einen Hohlraum einer Stranggiesskokille (2) begrenzenden Hohlraumwände mittels Hobeln, bestehend aus einem in einem Ständer (10) angeordneten stangenförmigen Werkzeugträger (9) mit mindestens einem Hobelwerkzeug (40) und aus Einrichtungen zur Erzeugung von Relativbewegungen zwischen dem Hobelwerkzeug und den Hohlraumwänden, dadurch gekennzeichnet, dass der Werkzeugträger (9) eine Länge (15) aufweist, die grösser ist als die zweifache Länge des Hohlraumes und der Werkzeugträger (9) in zwei Stützlagern (7, 8) geführt ist, wobei die beiden Stützlager (7, 8) mit einem Zwischenraum (16) für die Stranggiesskokille angeordnet sind und der Abstand der Stützlager grösser ist als die Länge (17) des Hohlraumes, und dass eine Einrichtung (14) zur Erzeugung einer NC-gesteuerten Hubbewegung des Werkzeugträgers (9) in der Längsrichtung des Werkzeugträgers (9) vorgesehen ist, wobei die Länge des Hubwegs (18) die Länge des Hohlraumes überschreitet.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Ständer (10) Führungen (13) für eine Oszillationsbewegung in der Längsrichtung des Werkzeugträgers aufweist und mit einer Einrichtung (14) zur Erzeugung der Oszillationsbewegung versehen ist.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die beiden Stützlager (7, 8) stationär angeordnet und zwischen den beiden Stützlagern (7, 8) ein Aufspanntisch (3) für die Kokille (2) vorgesehen ist, der mit Einrichtungen für NC-gesteuerte Bewegungen quer zur Längsrichtung des Werkzeugträgers (9) ausgestattet ist.
- Vorrichtung nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, dass der Werkzeugträger (9) mit einer NC-gesteuerten Einrichtung für eine Drehbewegung (a) um seine Längsachse versehen ist.
- Vorrichtung nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, dass eines der beiden Stützlager (7) in Längsrichtung des Werkzeugträgers (9) verschiebbar auf einem Maschinenbett (19) angeordnet ist.
- Vorrichtung nach einem der Ansprüche 1 - 5, dadurch gekennzeichnet, dass am Werkzeugträger (9) mehrere Hobelwerkzeuge (40) derart angeordnet sind, dass wechselweise beim Vor- und Rückwärtshub Späne abhebbar sind.
- Vorrichtung nach einem der Ansprüche 1 - 6, dadurch gekennzeichnet, dass das Stützlager (8) aus seiner Arbeitsstellung mittels einer Verschiebeeinrichtung nach unten oder zur Seite hin verschiebbar ist.
- Vorrichtung nach einem der Ansprüche 1 - 6, dadurch gekennzeichnet, dass das Stützlager (8) in einem Führungsbereich für den Werkzeugträger (9) eine Teilungsebene (22) aufweist und ein Stützlageroberteil (23) anhebbar sowie ein Stützlagerunterteil (24) absenkbar ist.
- Vorrichtung nach einem der Ansprüche 1 - 8, dadurch gekennzeichnet, dass der Werkzeugträger (9, 52) auswechselbar gestaltet ist und auswechselbare Lagerschalen (51) in den Stützlagem (7, 8, 50) an unterschiedliche Durchmesser bzw. Querschnittsformen des Werkzeugträgers (9, 52) anpassbar sind.
- Vorrichtung nach einem der Ansprüche 1 - 9, dadurch gekennzeichnet, dass seitlich am Maschinenbett Polierstationen vorgesehen sind.
- Vorrichtung nach einem der Ansprüche 1 - 10, dadurch gekennzeichnet, dass der Werkzeugträger (9) aus mehreren unterschiedlichen Materialschichten aufgebaut ist.
- Verfahren zum Bearbeiten der einen Hohlraum einer Stranggiesskokille begrenzenden Hohlraumwände durch Hobeln, wobei ein in einem Ständer (10) geführter stangenförmiger Werkzeugträger (9) mit einem Hobelwerkzeug in den Hohlraum der Stranggiesskokille (2) eingeführt und mittels Hubbewegungen des Werkzeugträgers (9) die Hohlraumwände bearbeitet werden, dadurch gekennzeichnet, dass die Kokille (2) auf einen Aufspanntisch (3) gebracht und der Werkzeugträger (9) durch den Hohlraum der Kokille (2) hindurch geführt und in ein zweites Stützlager (8) eingeführt, anschliessend die Kokille am Aufspanntisch befestigt und mittels Hubbewegungen des Werkzeugträgers (9) die Kokille (2) hohlraumseitig bearbeitet wird, wobei der Werkzeugträger (9) in der Längsrichtung des Werkzeugträgers (9) und die Kokille zusammen mit dem Aufspanntisch (3) quer zur Längsrichtung des Werkzeugträgers (9) bewegt wird.
- Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass der Werkzeugträger (9) zwischen zwei Hubbewegungen um seine Längsachse (21) geschwenkt wird.
- Verfahren nach einem der Ansprüche 12 oder 13, dadurch gekennzeichnet, dass zwischen zwei Hubbewegungen der Werkzeugträger (9) um seine Längsachse (21) geschwenkt und gleichzeitig die Kokille quer zur Längsrichtung des Werkzeugträgers (9) bewegt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH7252000 | 2000-04-11 | ||
CH7252000 | 2000-04-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1145786A1 EP1145786A1 (de) | 2001-10-17 |
EP1145786B1 true EP1145786B1 (de) | 2004-12-01 |
Family
ID=4531850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01108683A Expired - Lifetime EP1145786B1 (de) | 2000-04-11 | 2001-04-06 | Vorrichtung und Verfahren zum Bearbeiten von Hohlraumwänden einer Stranggiesskokille |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1145786B1 (de) |
AT (1) | ATE283741T1 (de) |
DE (1) | DE50104648D1 (de) |
ES (1) | ES2233514T3 (de) |
PT (1) | PT1145786E (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2263815B1 (de) | 2009-06-03 | 2015-10-07 | Concast Ag | Kokille zum Stranggiessen von Vorprofilen, insbesondere Doppel-T-Vorprofilen |
EP2578358B1 (de) * | 2011-10-07 | 2014-03-19 | Schweisstechnik Düsseldorf GmbH & Co. KG | Schleifmaschine und Verfahren zur Innenbearbeitung von Kokillen |
CN104175127A (zh) * | 2014-08-12 | 2014-12-03 | 玉溪大红山矿业有限公司 | 一种汽车连杆模具的生产工艺 |
CN104175128A (zh) * | 2014-08-29 | 2014-12-03 | 无锡柯马机械有限公司 | 一种模具加工工艺 |
CN105598820A (zh) * | 2016-01-06 | 2016-05-25 | 中车青岛四方机车车辆股份有限公司 | 珩磨机床 |
CN114952624B (zh) * | 2022-06-13 | 2023-08-22 | 河南科技大学 | 一种成型曲线砂轮修型装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1577330B2 (de) * | 1966-11-05 | 1977-04-14 | Evertz, Egon, 5650 Solingen | Schleifmaschine zum bearbeiten der innenflaechen von stahlwerkskokillen |
GB9209006D0 (en) * | 1992-04-25 | 1992-06-10 | Hamilton Ian G | Grinding device |
DE19747798A1 (de) * | 1997-10-30 | 1999-05-12 | Bosch Gmbh Robert | Verfahren zum Positionieren wenigstens eines Werkzeuges einer Werkzeugmaschine |
-
2001
- 2001-04-06 EP EP01108683A patent/EP1145786B1/de not_active Expired - Lifetime
- 2001-04-06 PT PT01108683T patent/PT1145786E/pt unknown
- 2001-04-06 AT AT01108683T patent/ATE283741T1/de active
- 2001-04-06 ES ES01108683T patent/ES2233514T3/es not_active Expired - Lifetime
- 2001-04-06 DE DE50104648T patent/DE50104648D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PT1145786E (pt) | 2005-04-29 |
DE50104648D1 (de) | 2005-01-05 |
ATE283741T1 (de) | 2004-12-15 |
EP1145786A1 (de) | 2001-10-17 |
ES2233514T3 (es) | 2005-06-16 |
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