EP2408594A1 - Verfahren und vorrichtung zum schleifen eines stranggussprodukts - Google Patents
Verfahren und vorrichtung zum schleifen eines stranggussproduktsInfo
- Publication number
- EP2408594A1 EP2408594A1 EP10711335A EP10711335A EP2408594A1 EP 2408594 A1 EP2408594 A1 EP 2408594A1 EP 10711335 A EP10711335 A EP 10711335A EP 10711335 A EP10711335 A EP 10711335A EP 2408594 A1 EP2408594 A1 EP 2408594A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding
- continuous casting
- casting product
- long
- actuator
- 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
- 238000009749 continuous casting Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004381 surface treatment Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/005—Portal grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
-
- 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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
- B24B27/04—Grinding machines or devices in which the grinding tool is supported on a swinging arm
Definitions
- the invention relates to a method for grinding a continuous casting product, in particular a slab, wherein the continuous cast product in cross section has a rectangular contour with two opposite long sides and two opposite short sides, wherein one of the long sides of the continuous casting product in a processing position, in which Continuous casting product rests on one of its long sides on a grinding table, is subjected to at least one grinding tool surface treatment. Furthermore, the invention relates to a device for grinding a continuous casting product.
- Continuously cast products in particular slabs, are usually subjected to surface treatment by grinding after the continuous casting in order to achieve a sufficient quality in the further processing of the product.
- the slab is usually reciprocated longitudinally in a reversing motion under a grinder. At the end of each reversing movement, the grinder performs a stepwise cross-feed motion until the entire slab surface is ground.
- the device has a grinding table 6 and a grinding device 21 in the form of a main assembly with drive motor and grinding wheel 7.
- the slab 1 has in a known manner two long sides 2 and 3 (broad sides) and two short sides 4 and 5 (narrow sides). It lies with one of its long sides 3 on the grinding table 6.
- the grinding table 6 reversibly moves under the grinding device 21 in the direction perpendicular to the plane of the drawing.
- the grinding wheel 7 is pressed by means of a grinding pressure cylinder 14 'against the upper side of the slab 1.
- the slab 1 is thus moved by means of the grinding table 6 relative to the grinding device 21 in the longitudinal direction back and forth. With each reversing the grinding device 21 performs by means of a feed cylinder 22 a stepwise cross-feed movement until the top of the slab is finished ground.
- the main unit, for grinding the long side 2, 3 of the slab 1 is still a second grinding device 23 in the form of an accessory present, which is intended to grind the short sides 4, 5 of the slab 1 ,
- a grinding wheel 7 is available.
- FIGS. 2 and 3 respectively, the main assembly 21 and the auxiliary unit 23 are shown, whereby the movement of the grinding wheel 7 during grinding, that is to say the grinding unit 7, is also shown.
- H the respective delivery by the units 21, 23 is indicated insofar as that the grinding wheel is sketched together with grinding spindle in two different positions. The effort associated with the additional installation of an accessory is relatively high.
- a problem is also that it can lead to significant caking of grinding chips on the device, if the flight of chips during grinding is not optimally maintained. Therefore, a relatively high maintenance is required in previously known solutions.
- the invention is therefore an object of the invention to develop a method and an associated device with which it is possible or to guarantee a high manufacturing quality in the processing of the continuous casting product, yet to dispense with the high cost, the This results in the prior art discussed above as a result of the equipment of the main and auxiliary grinding unit. Furthermore, it should be achieved that the grinding of the continuous casting product can be carried out in an efficient and rapid manner, so that the grinding can be carried out economically. Furthermore, the aim is to design the method or the device such that a removal of the grinding chips can take place in an improved manner. As a result, in particular caking chips are to be reduced to the device.
- the solution to this problem by the invention is characterized in that after or before the grinding of the long side of the continuous casting product in the machining position with the at least one grinding tool at least one of the short sides is subjected to a surface treatment.
- a single short side of the surface treatment is subjected to a progressive grinding process in the processing position.
- the direction of rotation of the grinding tool is particularly preferably kept the same during the surface processing of the long and the short side. This leads to an advantageous chip removal.
- the direction of rotation of the Schleiftechnikzeus in the surface processing of the long and the short side is namely chosen with advantage so that the chips flight in the surface treatment is directed horizontally to the side or vertically downwards.
- the long side of the continuous casting product is usually at least twice as long as the short side of the continuous casting product and is a multiple of this in slabs.
- the apparatus for grinding a continuous casting product comprises a grinding device with at least one grinding tool for grinding at least one long side of the continuous casting product, wherein the grinding device comprises a holding arm which is pivotally mounted in a pivot axis on a support member of the grinding device, wherein the grinding tool at one of Pivot axis spaced location of the support arm is arranged and wherein for pivoting the support arm relative to the support member, an actuator is arranged effectively between the support member and the support arm.
- the invention provides that the actuator consists of two series-connected Operaak- tuatoren.
- One of the Supplementaktuatoren is designed as controllable with respect to its adjustment path and / or its force or controllable element, wherein the other Clausaktuator is designed as an element that can be positioned only in two end positions.
- At least one of the partial actuators are preferably designed as hydraulic or pneumatic piston-cylinder systems.
- the grinding tool is preferably arranged at the end of the holding arm, which is remote from the pivot axis.
- the actuator advantageously engages near the grinding tool on the holding arm.
- the grinding tool can be covered by a protective hood over part of its circumference, wherein the protective hood is rotatably mounted about an axis of rotation which is parallel to the axis of rotation of the grinding tool.
- An actuator can be effectively arranged between a circumferential point of the protective hood and the holding arm.
- This actuator is preferably designed as a pneumatic or hydraulic piston-cylinder system.
- the guard may be disposed on a pivot arm, wherein the pivot arm is mounted in the support arm and can be pivoted about a pivot axis which is parallel to the axis of rotation of the grinding tool and spaced therefrom.
- an actuator for pivoting the pivot arm is arranged to be effective relative to the support arm between the pivot arm and the support arm, which makes the grinding wheel change easier.
- a high product quality can be achieved, but still can be dispensed with a separate grinding unit, ie on the accessory for grinding the short side.
- a grinding device has thus been modified so that it is also suitable for grinding the short side of the continuous casting product.
- care must be taken that the cylinder stroke of the grinding pressure cylinder is substantially larger than in the prior art device, since the grinding wheel must be made correspondingly lower due to the radius of the worn grinding wheel and the product thickness to completely grind the short side (narrow side) can.
- the device according to the invention provides two series-connected partial actuators, of which only one serves to regulate the pressing force; the other is a pure Stellaktuator, which must take only two end positions.
- the grinding wheel guard has been modified so that it does not hit the long side when grinding the short side.
- the long side is ground in the usual way.
- the short side becomes laterally ground.
- the advantage is that the direction of movement of the chips does not change if the direction of rotation of the grinding wheel is retained and only one chip collecting box is installed. The chip collecting box must only be extended to the grinding table. The direction of rotation of the grinding wheel does not change during machining.
- FIG. 1 shows a device for grinding a continuous casting product in the form of a slab according to the prior art
- FIG. 2 shows the main grinding unit of the device according to FIG. 1;
- FIG. 3 shows the auxiliary grinding unit of the device according to FIG. 1;
- Fig. 4 shows schematically the grinding of a continuous casting product with a grinding method according to the invention
- Figure 5 is a perspective view of a grinding device according to the invention during grinding of the upper long side of the slab.
- FIG. 6 shows the device according to FIG. 5 during the grinding of a short side of the slab
- FIG. 7 shows the device according to FIG. 5 with a worn grinding wheel immediately before the grinding wheel is replaced;
- FIG. and Fig. 8 shows the device of FIG. 7 with a new mounted grinding wheel.
- a device for grinding a slab 1 is shown schematically, which operates according to the invention.
- the slab 1 has a rectangular cross section, which can be seen in Fig. 4; the slab 1 extends with its longitudinal axis in the direction perpendicular to the plane of the drawing.
- the slab 1 accordingly has two long sides 2 and 3 (broad sides) and two short sides 4 and 5 (narrow sides).
- the slab 1 lies with its lower long side 3 on a grinding table 6. This processing position of the slab 1 is marked with A, during the process according to the invention, the slab 1 remains in the processing position A. After carrying out the process, the slab is turned by 180 ° about the longitudinal axis and the process is repeated.
- the slab surface is processed here by means of a grinding process in order finally to be able to produce a product of sufficient quality from the slab.
- a grinding device is provided, of which in FIG. 4 only the grinding wheel 7 is sketched.
- the arrow 8 indicates the direction of rotation of the grinding tool (grinding wheel) 7 during its operation.
- the grinding wheel 7 is guided in a known manner in the horizontal direction transverse to the longitudinal axis of the slab to grind the overhead long side 2. It is essential that after (or possibly also before) the grinding of the long side 2 of the slab 1 in the processing position A with the same grinding wheel in a continuously continuing operation 7, one of the short sides 4 is subjected to a surface treatment.
- the grinding is carried out in a conventional manner, ie the grinding table 6 oscillates in the direction of the longitudinal axis of the slab 1 (ie in the direction perpendicular to the plane) back and forth, while the grinding wheel 7 at each stroke of the grinding table 6 a certain amount transverse to Width direction of the slab
- the direction of rotation 8 of the grinding wheel 7 causes the grinding chips on the slab surface during grinding of the long side 3 are directed horizontally (to the left), which is indicated by the chips 9. Meanwhile, when sanding the short side 4, the chips are directed downwards (chip flight 9), where there is an unillustrated chip collecting box. Chip migration can be influenced by a baffle plate 24.
- the grinding device is modified so that both the grinding of the upper long side 2 and the grinding of the left short side 4 is possible. On a separate accessory can thus be dispensed with.
- both directions of movement of the grinding unit are equipped with a grinding pressure control.
- the grinding apparatus 10 enables such a grinding process.
- a support member 13 On a base frame 25, which can be moved horizontally as shown in FIG. 1 by means of the feed cylinder 22, a support member 13 is attached.
- the carrier element 13 has a pivot axis 12, in which a holding arm 11 is articulated, so that it can pivot about the pivot axis 12 relative to the carrier element 13.
- the holding arm 11 carries at its one end a grinding spindle with the grinding wheel 7, which rotates about its axis of rotation 17.
- an actuator 14 is provided between the carrier element 13 and the holding arm
- the actuator 14 consists of two partial actuators 14 'and 14 "which are connected in series
- the partial actuator 14' corresponds to the usual grinding pressure cylinder with the usual stroke, as is also present in the prior art according to FIG It executes a defined displacement s (see Fig. 5) .
- the second partial actuator 14 " is a non-controllable actuator, but one which can only travel in two positions and be held therein ,
- the first position occupied by the partial actuator 14 " is shown in FIG. 5 and is selected when a long side 2 of the slab 1 is to be ground.
- the second partial actuator 14 "is acted upon in its respective end positions with maximum operating pressure, so that it has the property of a rigid spacer.
- the grinding wheel 7 is partially covered by a protective hood 15, namely over part of its circumference.
- the protective hood 15 is rotatably mounted about an axis of rotation 16 which is parallel to the axis of rotation 17 of the grinding wheel 7.
- an actuator 18 engages, which is hinged at its other end to the support arm 11.
- the protective cover 15 can be rotated. In the position of Fig. 5, it is positioned for the grinding of the long side 2. If the short side 4 ground, which is outlined in Fig. 6, the guard 15 is brought into a pivoted back position, so that there can be no collision between the guard 15 and slab 1.
- the protective cover 15 is thus rotatably mounted such that it can be rotated accordingly for the main or secondary side grinding.
- the protective hood 15 is arranged at one end of a pivoting arm 19, which is articulated with its other end on the holding arm 11.
- the protective cover 15 together with pivot arm 19 about a pivot axis 20, which is parallel to the axis of rotation 17 of the grinding wheel 7, are pivoted. This is used for grinding wheel change.
- the protective hood 15 can be swiveled upwards completely manually or via an actuator (not shown).
- the worn grinding wheel 7 is freely accessible and, according to FIG. 7, can be exchanged for a new grinding wheel 7 according to FIG. 8.
- the feed cylinder 22 is used for the horizontal feed of the grinding wheel 7.
- the grinding unit 10 z. B. in the direction of slab 1 the grinding wheel 7 is pulled to a lower position by the actuator 14 via the pivot axis 12 to the short side 4.
- the slab 1 thus processed may be a hot slab. Since ultimately only the relative movement between the slab and the grinding wheel is important, it can also be provided as an alternative to the described procedure that the slab is arranged on a stationary mount and the grinding device 10 moves in the direction of the longitudinal axis of the slab during grinding.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10711335T PL2408594T3 (pl) | 2009-03-19 | 2010-03-19 | Urządzenie do szlifowania produktu odlewania ciągłego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009013481 | 2009-03-19 | ||
PCT/EP2010/001729 WO2010105838A1 (de) | 2009-03-19 | 2010-03-19 | Verfahren und vorrichtung zum schleifen eines stranggussprodukts |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2408594A1 true EP2408594A1 (de) | 2012-01-25 |
EP2408594B1 EP2408594B1 (de) | 2013-03-06 |
Family
ID=42173654
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10710549A Not-in-force EP2408593B1 (de) | 2009-03-19 | 2010-03-19 | Verfahren und vorrichtung zum schleifen eines stranggussprodukts |
EP10711335A Not-in-force EP2408594B1 (de) | 2009-03-19 | 2010-03-19 | Vorrichtung zum Schleifen eines Stranggussprodukts |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10710549A Not-in-force EP2408593B1 (de) | 2009-03-19 | 2010-03-19 | Verfahren und vorrichtung zum schleifen eines stranggussprodukts |
Country Status (15)
Country | Link |
---|---|
US (2) | US8900035B2 (de) |
EP (2) | EP2408593B1 (de) |
JP (2) | JP5645912B2 (de) |
KR (2) | KR20110135389A (de) |
CN (4) | CN102387893B (de) |
BR (2) | BRPI1009129A2 (de) |
CA (2) | CA2755813A1 (de) |
ES (1) | ES2409945T3 (de) |
MX (2) | MX2011007958A (de) |
MY (1) | MY159173A (de) |
PL (1) | PL2408594T3 (de) |
RU (2) | RU2011142149A (de) |
TW (2) | TW201036760A (de) |
UA (1) | UA106488C2 (de) |
WO (2) | WO2010105839A1 (de) |
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TW201036760A (en) * | 2009-03-19 | 2010-10-16 | Siemag Gmbh | Method and device for grinding a continuous casting product |
DE102010025250A1 (de) * | 2009-08-18 | 2011-02-24 | Sms Logistiksysteme Gmbh | Verfahren und Vorrichtung zum Handhaben von Brammen zum Schleifen der Brammen-Oberflächen |
EP2508300B1 (de) | 2011-04-08 | 2014-05-21 | SMS Logistiksysteme GmbH | Vorrichtung zum Schleifen eines Stranggussprodukts |
KR101601901B1 (ko) * | 2014-02-27 | 2016-03-09 | 이성규 | 세라믹 브레이크 디스크 가공용 공구 |
TWI545216B (zh) * | 2014-10-30 | 2016-08-11 | 住華科技股份有限公司 | 靶材處理設備 |
CN106584239B (zh) * | 2016-12-07 | 2018-11-02 | 杭州正驰达精密机械有限公司 | 一种机械手表摆锤的自动磨削机床 |
AT519512B1 (de) * | 2017-01-05 | 2021-07-15 | Braun Maschf Gmbh | Entgratschleifmaschine |
US20210101245A1 (en) * | 2017-04-27 | 2021-04-08 | Corning Incorporated | Apparatus and method for edge processing of glass for light coupling |
CN107817752B (zh) * | 2017-09-19 | 2024-01-30 | 芜湖安普机器人产业技术研究院有限公司 | 一种铜板水平连铸的自动化上料装置电气控制系统 |
CN107953218A (zh) * | 2017-12-21 | 2018-04-24 | 广东德新科技孵化器有限公司 | 一种家具板材用双面打磨装置 |
CN111644952B (zh) * | 2020-07-07 | 2021-06-04 | 南京溧水高新产业股权投资有限公司 | 一种便捷浇筑水泥柱棱角打磨设备 |
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CN112720214A (zh) * | 2020-12-19 | 2021-04-30 | 朱可欣 | 变压器加工去锈设备 |
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RU2440885C2 (ru) * | 2007-06-25 | 2012-01-27 | Сэнт-Гобэн Керамикс Энд Пластикс, Инк. | Способ изменения кристаллографической ориентации монокристаллического тела (варианты) и устройство для его осуществления |
CN101332577A (zh) * | 2007-06-27 | 2008-12-31 | 李新杰 | 全自动石板材磨边设备 |
JP5374114B2 (ja) * | 2007-11-08 | 2013-12-25 | 株式会社ノリタケカンパニーリミテド | スラブ研削方法およびスラブ研削装置の制御装置 |
TW201036760A (en) * | 2009-03-19 | 2010-10-16 | Siemag Gmbh | Method and device for grinding a continuous casting product |
US7987608B2 (en) * | 2009-07-16 | 2011-08-02 | Frederick Rowe | Grinding angle bubble level jig |
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2010
- 2010-03-17 TW TW099107708A patent/TW201036760A/zh unknown
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- 2010-03-19 EP EP10711335A patent/EP2408594B1/de not_active Not-in-force
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- 2010-03-19 WO PCT/EP2010/001729 patent/WO2010105838A1/de active Application Filing
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