EP3548203A1 - RAUPENGIEßMASCHINE UND VERFAHREN ZUM HERSTELLEN EINES GIEßGUTS AUS FLÜSSIGEM METALL - Google Patents
RAUPENGIEßMASCHINE UND VERFAHREN ZUM HERSTELLEN EINES GIEßGUTS AUS FLÜSSIGEM METALLInfo
- Publication number
- EP3548203A1 EP3548203A1 EP17811506.9A EP17811506A EP3548203A1 EP 3548203 A1 EP3548203 A1 EP 3548203A1 EP 17811506 A EP17811506 A EP 17811506A EP 3548203 A1 EP3548203 A1 EP 3548203A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bead
- casting
- actuator
- casting machine
- 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.)
- Granted
Links
- 238000005266 casting Methods 0.000 title claims abstract description 86
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000011324 bead Substances 0.000 claims description 94
- 238000000034 method Methods 0.000 claims description 20
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0608—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by caterpillars
-
- 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
- B22D11/16—Controlling or regulating processes or operations
-
- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/168—Controlling or regulating processes or operations for adjusting the mould size or mould taper
Definitions
- the invention relates to a caster casting machine for producing a cast metal from liquid metal according to the preamble of claim 1 and of claim 2, as well as a corresponding method according to the preamble of claim 11 and of claim 12.
- the cooling elements of the casting machine form the wall of a moving casting mold on the straight sections or strands of casting caterpillars arranged opposite one another.
- the casting caterpillars each consist of a plurality of endlessly interconnected cooling blocks, which are transported along the orbits of the caterpillars.
- the cooling blocks are mounted on supporting elements, which are placed on chains and thus articulated as members of a chain.
- this block casting machine comprises a spindle lifting device, which is in operative connection with the four corner regions of the block casting machine.
- metering boxes and gauges are installed when using the Spindelhubvorraum.
- the disadvantage here is that the servomotors or actuators of the screw jack are not synchronized that defined positions for the caterpillars can not be approached repeatedly, that no active G manspaltbeeinlung is possible, and that long set-up times are required to the unit formed from the caterpillars on a new operating state adjust.
- a further disadvantage is that a position of the casting caterpillars relative to each other can not be precisely controlled, wherein automation by means of a control / regulating concept is likewise not given. Accordingly, the invention has for its object to optimize a caster casting machine and a corresponding method for producing a casting of liquid metal in terms of variability of the manufacturing process.
- a caster casting machine serves the purpose of producing a foundry from a liquid metal.
- the caster comprises a first guide rail and a second guide rail, wherein the guide rails two oppositely arranged endless orbits are formed, and a plurality of support members with attached cooling blocks, wherein the support elements are guided along the orbits in a transport direction such that they each form a continuous chain of support elements per orbit and thereby an upper bead and a lower bead, wherein between the cooling blocks, which come in straight portions of the upper and lower bead in juxtaposition, a moving casting mold is formed for the casting.
- the guide rails for the upper and lower caterpillar are mounted on a common frame means, which is movably mounted on a machine frame and can be adjusted by at least one actuator relative to the machine frame, with the result that thereby set a common inclination of the two caterpillars relative to the horizontal can be.
- the storage of the frame device on the machine frame can be designed to be rotatable, so that adjustment of the inclination of the two beads by pivoting the frame means relative to the machine frame can be done.
- An alternative embodiment of the crawler molding machine according to the invention which is of independent significance, comprises a first guide rail and a second guide rail, wherein the guide rails form two oppositely disposed endless orbits, and a plurality of support elements with cooling blocks mounted thereon, wherein the support elements along the orbits are movably guided in a transport direction, such that they each form a continuous chain of support elements per orbit and thereby an upper bead and a lower bead.
- a guide rail which is assigned to either the upper bead or the lower bead, is attached to a frame means which can be changed by at least one actuator in position relative to the respective other bead. This means that either the upper bead or the lower bead can be adjusted in position or inclination relative to the respective other bead.
- the present invention also provides a method for producing a casting of liquid metal.
- the liquid metal is poured into a moving mold, which is formed between cooling blocks, which are mounted on each of two oppositely arranged endless orbits in a transport direction moving support elements.
- the inclination of a unit formed from the upper and lower bead relative to the horizontal is set in particular during casting by at least one actuator which is operatively connected to the unit formed from the upper and lower bead, is controlled .
- the inclination of either the upper or the lower bead is changed in the direction of its longitudinal axis relative to the respective other bead, by at least one actuator provided with a frame means on which one for this bead an endless Orbit forming guide rail is mounted, operatively connected, is driven.
- the transport direction in which the support elements are moved with the cooling blocks attached thereto along the respective guide rails and the orbits formed thereby is equivalent to the casting direction, in which the liquid metal in the moving mold, between the cooling blocks is formed in the straight sections of the opposite horizontal orbits, is shed.
- Said adjustment of the unit formed from the beads or at least one bead relative to the other bead with respect to their inclination is achieved by the control of at least one actuator, which is operatively connected to a frame means on which the guide rails associated with the beads are operatively connected.
- the invention is based on the essential knowledge that by controlling the at least one actuator, a reproducible setting for the caster casting machine is possible, namely with respect to the inclination of either the unit formed from the upper and lower bead relative to the horizontal, or a bead relative to the other Caterpillar.
- An adjustment or change in the inclination of the complete unit formed from the upper and lower caterpillar in their inclination relative to the horizontal can be done in particular during casting, ie at the beginning of a casting process.
- the flow rate of the liquid metal within the mold can be regulated.
- the outlet region of the mold can be achieved by raising the rear portion of the two beads, ie in the outlet region of the mold, that for the moving mold in or along the transport direction, a greater "pitch" arises because the outlet region of the mold is located higher than their
- Such a change in the inclination of the unit formed from the upper and lower bead can also be done automatically during the casting process.
- the inclination of only one bead relative to the other bead is variable or is adjusted.
- either an exact plane parallelism of the two beads can be achieved at their opposite strand, or even a targeted wedge-shaped cast strip profile can be adjusted.
- the abovementioned possibilities of selectively changing either the inclination of a unit formed from the two beads relative to the horizontal and / or the inclination of one of the two beads relative to the respective other bead improves the adjustability of the casting gap or that moved between the two beads mold.
- the cast profile is optimized and a reproducibility of the quality (profile) of the cast material is achieved.
- a shortening of set-up times is achieved by automation of said adjustment functions and facilitates handling of the system.
- a control device by means of which the at least one actuator can be controlled.
- An actuation of this actuator can be carried out by an electric motor, pneumatically or hydraulically.
- the at least one actuator can be position-controlled by means of the control device as a function of at least one predetermined process variable.
- This predetermined process variable may be selected from the group formed in particular of the product temperature, the wear involved machine components, the type of the cast metal, a rotational speed of the beads, the selected casting thickness and / or the casting width of the casting.
- the at least one actuator can be force-controlled by means of the control device as a function of at least one predetermined process variable.
- this process variable is selected from the group formed in particular of the cast metal grade and / or a contact force of the upper bead to a lateral guide device.
- a model is deposited in the control device, by means of which the at least one actuator is driven.
- an automation for the control of the at least one actuator is also possible during the casting process in order to change the inclination of either one bead relative to the other bead, or the unit formed from two beads.
- an electrically synchronized adjustment of the bead (s) take place, whereby it is possible to target a bead in any direction and to approach a position defined for this purpose more easily.
- FIG. 1 shows a side view of two guide rails, with which two oppositely arranged endless circulating paths are formed for a crawler molding machine according to the invention
- FIG. 3 is a side view of a crawler molding machine according to the invention, whose endless orbits are formed by the guide rails of FIG. 1,
- FIG. 2 a side view of an upper and lower bead of the crawler casting machine of Fig. 2 according to another embodiment of the invention.
- a crawler casting machine 10 according to the invention and their components are explained below, which are used to produce a cast product 11 (see FIG. 2) made of liquid metal, in particular aluminum.
- Identical features in the drawing are each provided with the same reference numerals. At this point, it should be noted separately that the drawing is merely simplified and shown in particular without scale.
- the caster casting machine 10 comprises an upper first guide rail 12.1 and a lower second guide rail 12.2. With these guide rails 12.1, 12.2 two oppositely arranged endless horizontal orbits U are formed for the caster casting machine 10.
- a plurality of support elements 14 with cooling blocks 16 attached thereto are guided along each guide rail 12 such that a continuous chain of support elements 14 is formed, which is moved or transported in a transport direction T along the guide rails 16.
- FIG. 1 To illustrate the operation of the present invention, only two support elements 14 with cooling blocks 16 attached thereto are shown in FIG. 1 on the two guide rails 12.
- FIG. 1 illustrates that a casting mold 18 is formed between the cooling blocks 16 which come into opposition in the straight sections of the circulation paths U formed by the guide rails 12.
- this mold 15 is a mold moving in the transporting direction T.
- FIG. 2 shows a simplified side view of the crawler casting machine 10 according to the invention, in which the guide rails 12. 1, 12. 2 of FIG. 1 are used.
- the caster casting machine 10 comprises an upper bead 14.1 and a lower bead 14.2, which - as already explained above - each of a plurality of Support elements 14 and attached cooling blocks 16 are formed, which are moved along the formed by the guide rails 14 orbits U in the transport direction T.
- the drive of the caterpillars 14.1, 14.2 takes place via drive wheels 13, which ensure a movement of the support elements 14 and the cooling blocks 16 attached thereto around the orbits U.
- liquid metal eg aluminum, or an aluminum alloy
- a pouring nozzle 19 which is elongated and protrudes with its front end into the mold 18
- liquid metal eg aluminum, or an aluminum alloy
- a casting material 1 1 is generated, which - indicated in the right image area of Fig. 2 - downstream of the beads 14.1, 14.2 emerges from the casting gap 18 and then a (not shown) processing is supplied.
- Cooling of the cooling blocks 16 during the casting process is ensured by cooling means (not shown).
- a cooling medium can be applied or sprayed onto the respective cooling blocks.
- FIG. 3 shows a simplified side view of the two beads 14.1, 14.2 of FIG. 2.
- the transport direction T - as seen in the plane of the drawing - indicated from left to right, wherein an inlet region of the moving mold 18 with "E”, and a discharge area of the mold 18 are symbolized by "A”.
- an actuator 26 (in the image area at the top right) is shown simplified in principle.
- Such an actuator 26 serves to adjust the inclination of either a bead 14.1, 14.2 relative to the respective other bead, or the inclination of a unit formed by the two beads 14.1, 14.2 relative to the horizontal.
- the actuator 26 comprises an actuator 27, which is connected to a frame device 22 and insofar is in operative connection therewith.
- Guide rails 12.1, 12.2 for the upper bead 14.1 and lower bead 14.2 are mounted on the frame means 22 (indicated only symbolically in FIG. 3) (see FIG. 1, FIG. 2).
- the caster casting machine 10 comprises a control device 28, the simplified in Fig. 2 is symbolized by a rectangle.
- a total of four actuators 26 may be provided which engage with the frame means 22 at the e.g. the guide rail 12.1 is mounted for the upper bead 14.1, are operatively connected.
- the actuators 26 may be attached to a (not shown in Fig. 3) machine frame or the like. 3, in addition to the actuator 26, which is shown in the image area at the top right by a rectangle, the remaining three actuators simply symbolized by an "X", these actuators in the same way with its actuator 27 to the frame device 22, which is associated with the upper track 14.1
- the guide track 12.2 for the lower track 14.1 may be fixedly secured to a machine frame (not shown).
- the four actuators 26 two of these actuators are arranged in the inlet region E of the casting mold 18 (in the image area on the left) and are operatively connected to the frame device 22 , wherein the two other actuators 26 in the outlet region A of the mold 18 (in the image area right) with the frame device 22 are operatively connected.
- a position of the upper bead 14.1 relative to the lower bead 14.2 can be selectively changed or adjusted in each direction, e.g. for achieving an exact plane parallelism of the upper bead 14.1 relative to the lower bead 14.2, or for setting a wedge-shaped Gussbandprofils between these two beads 14.1, 14.2.
- FIG. 4 shows a further embodiment of the crawler casting machine 10.
- the guide rails 12.1, 12.2 for the upper and lower bead 14.1, 14.2 mounted on a common frame means 22, said frame means 22 is rotatably mounted on a machine frame 24 via a hinge 23.
- At least one actuator 26 is operatively connected with its actuator 27 to the frame device 22.
- a position of the frame means 22, and thus a unit formed from the two beads 14.1, 14.2, 26 are adjusted upon actuation of the actuator, for example with respect to a slope relative to the horizontal.
- a position of the two beads 14. 1, 14. 2 can be changed by activating the actuators 26 in such a way that, as shown, the outlet region A of the casting mold 18 (shown on the right in the image area) in comparison to FIG Inlet region E of the mold 18 is lowered or pivoted downwards.
- the first and second beads 14.1, 14.2 can be attached to a common frame means 22.
- a discharge area (the mold 18)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016223828 | 2016-11-30 | ||
PCT/EP2017/080396 WO2018099828A1 (de) | 2016-11-30 | 2017-11-24 | RAUPENGIEßMASCHINE UND VERFAHREN ZUM HERSTELLEN EINES GIEßGUTS AUS FLÜSSIGEM METALL |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3548203A1 true EP3548203A1 (de) | 2019-10-09 |
EP3548203B1 EP3548203B1 (de) | 2021-07-07 |
Family
ID=60629671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17811506.9A Active EP3548203B1 (de) | 2016-11-30 | 2017-11-24 | Raupengiessverfahren zum herstellen eines giessguts aus flüssigem metall |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3548203B1 (de) |
DE (1) | DE102017221093A1 (de) |
WO (1) | WO2018099828A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3605868A (en) * | 1969-02-24 | 1971-09-20 | Massimo Giadorou | Machine for the continuous casting of molten materials in iron molds or chills |
JPH0724925B2 (ja) * | 1988-05-20 | 1995-03-22 | 新日本製鐵株式会社 | 双ベルト連続鋳造機の鋳造幅変更制御方法および装置 |
US5645122A (en) | 1994-03-30 | 1997-07-08 | Lauener Engineering, Ltd. | Block fixation and adjustment in a continuous caster |
US5979538A (en) * | 1995-11-14 | 1999-11-09 | Fata Hunter, Inc. | Continuous chain caster and method |
AU2004313616B2 (en) | 2004-01-14 | 2010-04-15 | Lamec Ag | Casting machine |
-
2017
- 2017-11-24 EP EP17811506.9A patent/EP3548203B1/de active Active
- 2017-11-24 DE DE102017221093.1A patent/DE102017221093A1/de not_active Withdrawn
- 2017-11-24 WO PCT/EP2017/080396 patent/WO2018099828A1/de active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
EP3548203B1 (de) | 2021-07-07 |
DE102017221093A1 (de) | 2018-05-30 |
WO2018099828A1 (de) | 2018-06-07 |
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