EP2982452A1 - Procédé et dispositif de fabrication d'une bobine en bande métallique - Google Patents
Procédé et dispositif de fabrication d'une bobine en bande métallique Download PDFInfo
- Publication number
- EP2982452A1 EP2982452A1 EP14179813.2A EP14179813A EP2982452A1 EP 2982452 A1 EP2982452 A1 EP 2982452A1 EP 14179813 A EP14179813 A EP 14179813A EP 2982452 A1 EP2982452 A1 EP 2982452A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- coiler mandrel
- mandrel
- welding
- coiler
- 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
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000003892 spreading Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 80
- 239000000463 material Substances 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005476 soldering Methods 0.000 claims description 5
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 240000006829 Ficus sundaica Species 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
Definitions
- the invention relates to a method for producing a coil of metallic strip, in which the tape wound on an expandable coiler mandrel and the finished wound coil deposited on a coil car and transported away from the coiler mandrel. Furthermore, the invention relates to a device for carrying out the method.
- the invention has the object of providing a generic method and an associated device in such a way that the windings can be stabilized in the inner region of the coil in an efficient manner.
- step g) Before the above step g), according to a preferred embodiment of the invention, the above steps c) to f) are repeated at least once, wherein at step d) then a greater movement occurs than in the first execution of step d), so that the axial end the reel mandrel is located away from the end of the coil in the coil eye by a larger predetermined amount, wherein the larger predetermined amount is smaller than the width of the coil.
- a connection between at least two superimposed band parts is preferably produced by material connection, in particular by electrical or autogenous spot welding, by gluing or by soldering.
- a connection between at least two superimposed band parts of the band is produced by positive locking, in particular by nailing, screwing or riveting.
- a turning reel which has at least two working positions, in particular a Coilanwickelposition and a Coilaustrageposition, the above steps b) to g) are carried out at one of the working positions, while at another working position, the winding of the tape to the coil.
- the area of the band end in the coil eye can be pressed radially outward by means of a holding device, in particular by means of a band return rod, wherein the holding device is moved together with the coil carriage. This prevents "bagging".
- step d) can also be pressed against one of the axial end faces of the coil, a flat plate, so that the innermost turns of the tape can not escape axially from the coil; this also prevents the formation of "bags".
- the apparatus for carrying out the method has an expandable coiler mandrel and a coil trolley on which the finished wound coil can be removed and transported away from the coiler mandrel, it being provided according to the invention that the apparatus further comprises a welding robot having a welding head for insertion is formed in the coil eye.
- the welding robot and / or the welding head and / or the power supply to the welding robot are preferably provided with a thermal insulation.
- the welding robot and / or the welding head and / or the power supply to the welding robot can be further provided with a water cooling.
- the above-mentioned fixing process (in particular the welding process) is combined with the removal operation of the coil from the coiler mandrel.
- the fixing process d. H. in particular the welding process, is preferably carried out in hot strips with a strip thickness of less than 1.2 mm.
- the fixing operation is furthermore preferably carried out on hot strips which are produced by endless or semi-endless rolling; Again, their thickness is preferably less than 1.2 mm.
- the fixing process is carried out in strip materials of low strength, in which case particular consideration is given to those strengths which are at R P02 ⁇ 300 N / mm 2 , defined under cold conditions.
- the fixing operation is carried out at high reeling temperatures of more than 400 ° C.
- the supplied welding energy - d. H. the welding voltage or the welding current or the welding temperature and / or the welding time - are preferably selected depending on the reel temperature, the strip thickness and / or the strip material; the control of this can be done by means of a process model.
- the fixing or welding process is not carried out. This procedure is also preferably controlled by a process model.
- the invention is based on the idea that a safe way to avoid a collapse of the inner coil in the coil eye is that For example, a spot welding or stapling of the coil eye already takes place during the discharge of the coil from the reel.
- a suitable welding machine is used for example in the US 5,705,782 to which reference is made so far. Before annealing, coils are welded with such a machine. This device can also be used in the secure production and further processing of thin strips.
- the said means for fixing the Coilinnenwindung can not only be used when using a reversible reel, but also be used in conventional underfloor reels or overhead reels.
- arc spot welding or the TIG or MIG / MAG process can be used by melting two metal sheets in a punctiform manner. Welding can be done with or without the use of inert gas.
- the pressure plate of the welding unit can be adapted to the non-even surface (due to the coil curvature).
- the welding spot or the welding line can be placed directly at the top of the belt or in the middle of the belt.
- the intensity of the welding energy to the Coil conditions preferably model-supported adapted.
- Fig. 1 is a turnable reel 5 can be seen, which has a left arranged Coilanwickelposition and a right Coilaustrageposition.
- the present existing two reel mandrels 2 are spreadable; on them a coil 1 can be wound up. Below the wound coil 1, a coiler 3 is arranged in the Coilaustrageposition.
- a welding robot 9 with a welding head 10 is furthermore arranged.
- the coiler mandrel 2 take a spread and a despread position.
- the outer circumference of the coiler mandrel is indicated in the expanded state with b and the outer circumference in the despread state with c.
- the coiler mandrel 2 has an axis a.
- the coil 1 has a width B.
- Fig. 2 the coil 1 is still added to the coiler mandrel 2, which is in the spread state.
- Fig. 3 is the coil 1 deposed on the coil car 3; the coiler mandrel 2 is despread.
- the coil eye 4 is first pulled a certain amount from the coiler mandrel 2, as in Fig. 6 is shown. From the left end side of the coil 1 of the coiler mandrel 2 is removed by a predetermined first position X1. In the resulting free space in the coil eye 4, the welding head 10 of the welding robot 9 can now enter and spot welded with its welding contacts 14 two superimposed windings of the tape. It is essential that before the welding of the coiler mandrel 2 is spread again to place the windings clean one above the other.
- Fig. 7 can be repeated, said process can be repeated, wherein the coil eye 4 has now been pulled up to a larger predetermined position Xi of the coiler mandrel 2; the welding head 10 enters deeper into the coil eye 4 and sets one or more corresponding welding points.
- FIGS. 8 and 9 is shown as an alternative to Bandand Wegstange 6, the "bag formation" can be prevented.
- a pressure plate 8 is placed on the axial end face 7 of the coil 1, which is held by a holder 15.
- the pressure plate 8 has a circular cutout (s. Fig. 9 ), so that a clean completion of the front side of the coil eye 4 is achieved.
- the emergence of a turn of the band and thus the "bag formation" in the relative movement of the coil 1 relative to the coiler mandrel 2 is thus prevented.
- a welding machine welding robot
- Fig. 1 The use of a welding machine (welding robot) is therefore in Fig. 1 shown.
- the still developing (winding) coil is moved from the coil winding position to the coil discharge position.
- the new coil winding position will be released again for the next band.
- the welding robot waits beside the line until the coil is finished. Only then take place the discharge of the coil by means of coil cars and thereby taking place the coil eye while the follower coil is wound.
- the electrode voltage or the electrode current and / or the welding time are optionally selected depending on the coil temperature, the strip thickness and optionally the strip material. It can also take place a targeted cooling of the wound coil in the weld area, for example, in addition to the thermal protection of the unit to promote the welding process. Depending on the boundary conditions, welding takes place at the respective axial position only at one point or at several points at the same time.
- the support arm and the welding head area are thermally protected by insulation, water cooling (inside and / or outside) and minimization of the residence time in the high temperature range (for example, welding the robotic arm into the coil eye only for welding).
- the thermal protection is also useful for the current flow in the support arm.
- the points bonded by spot welding stably hold the inner turn of the tape together.
- the spot weld can easily be torn away.
- the damaged band areas of approx. 4 m are cut off and disposed of, which does not mean a large output loss with a thin, long band.
- the outer winding can also be welded or fastened with the same welding robot or tacking, bonding or soldering robot, which represents an alternative to binding, especially in the case of thin strip.
- the proposed method of processing the Coilinnenwindung takes place in tapes with a tape thickness of less than 1.2 mm.
- an endless rolling or a semi-continuous rolling of hot strip is further preferred.
- the method is particularly suitable for materials such as sheet or low strength silicon steel (R P02 ⁇ 300 N / mm 2 in the cold state).
- the reel temperatures are preferably above 400 ° C.
- the tape tip region may be cooled with water prior to winding, or the tip may be wound warmer than the remainder of the tape.
- the discharge of the coil 1 is interrupted when there is enough space (X1) for the welding robot head at the edge of the coil, as shown in FIG Fig. 6 you can see.
- the control program determines the position depending on the Bandwidth and the space requirement of the robot head. After removal of the Bandandschstange (if used), the coiler mandrel is spread again and brings so the inner coil of the coil again to the plant.
- the welding robot moves to the edge of the coil (in the area "X1", s. Fig. 6 ) and connects the two last turns with each other, for example, and preferably by spot welding. This can be done at least one point or at several points over the circumference.
- the position of the band tip is preferably tracked (using a process model: hot metal detector, distance, number of revolutions, etc.) or optically detects the band tip, so that the weld points can be optimally positioned.
- the despreading and further discharge of the coil takes place by means of the bundle wagon.
- the radially adjustable electrodes of the welding machine or the welding head are withdrawn.
- the welding process can be repeated at other coil positions Xi, as in Fig. 7 is shown. Ie. after stopping the coil at the position Xi again spreading of the coiler mandrel and a subsequent spot welding done. For this purpose, the welding electrodes are brought back into contact with the Coilinnenwindung. The angular positions may be different from the previous welding position.
- the mandrel 2 is finally despread, the welding robot arm is withdrawn and the coil 1 is discharged and transported away. Now the discharge position for the next coil is free.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14179813.2A EP2982452B1 (fr) | 2014-08-05 | 2014-08-05 | Procédé de fabrication d'une bobine en bande métallique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14179813.2A EP2982452B1 (fr) | 2014-08-05 | 2014-08-05 | Procédé de fabrication d'une bobine en bande métallique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2982452A1 true EP2982452A1 (fr) | 2016-02-10 |
EP2982452B1 EP2982452B1 (fr) | 2016-10-19 |
Family
ID=51266155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14179813.2A Active EP2982452B1 (fr) | 2014-08-05 | 2014-08-05 | Procédé de fabrication d'une bobine en bande métallique |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2982452B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020249284A1 (fr) | 2019-06-13 | 2020-12-17 | Sms Group Gmbh | Fixation d'une partie d'extrémité de bande d'une bobine de bande métallique sur un enroulement en bande voisin |
CN114535353A (zh) * | 2022-03-17 | 2022-05-27 | 山东钢铁集团日照有限公司 | 一种热轧卷取机安全卸卷方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT524539B1 (de) | 2021-06-01 | 2022-07-15 | Primetals Technologies Austria GmbH | Verfahren zum Haspeln eines metallischen Bandes, Coil und Haspeleinrichtung |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3062465A (en) | 1960-04-14 | 1962-11-06 | Aluminum Res Corp | Method of and apparatus for reeling sheet material continuously |
JPS6138711A (ja) | 1984-07-31 | 1986-02-24 | Nippon Steel Corp | 金属コイルの最内巻コイル端の位置矯正方法とその装置 |
DE8711281U1 (de) | 1987-08-20 | 1987-11-19 | Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer | Greifer für Restbunde |
JPH07214160A (ja) * | 1994-01-27 | 1995-08-15 | Nippon Steel Corp | 熱延コイルの巻き取り方法 |
JPH09201620A (ja) | 1996-01-24 | 1997-08-05 | Kawasaki Steel Corp | 金属帯コイルの巻取り方法 |
US5705782A (en) | 1996-09-30 | 1998-01-06 | Gerback; David | Internal coil spot welding device |
US6354534B1 (en) | 1998-11-05 | 2002-03-12 | Braner Usa, Inc. | Mechanism for increasing the diameter of metal coil coilers |
DE10142179A1 (de) | 2001-08-29 | 2003-03-20 | Sms Demag Ag | Verfahren und Vorrichtung zum Haspeln von dünnem Metallband, insbesondere von warm- oder kaltgewalztem dünnen Stahlband |
WO2004060589A1 (fr) * | 2003-01-06 | 2004-07-22 | Sms Demag Aktiengesellschaft | Procede et dispositif de laminage et de bobinage consecutif d'une bande metallique, notamment d'une bande d'acier |
EP1778420B1 (fr) | 2005-07-18 | 2008-04-23 | SMS Demag AG | Installation de laminage et procede de production d'une bande metallique |
DE102007051976A1 (de) * | 2007-10-31 | 2009-05-07 | Sms Demag Ag | Haspelvorrichtung und Verfahren zur Fixierung der Bunde bzw. Coils bei dieser Haspelvorrichtung |
-
2014
- 2014-08-05 EP EP14179813.2A patent/EP2982452B1/fr active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3062465A (en) | 1960-04-14 | 1962-11-06 | Aluminum Res Corp | Method of and apparatus for reeling sheet material continuously |
JPS6138711A (ja) | 1984-07-31 | 1986-02-24 | Nippon Steel Corp | 金属コイルの最内巻コイル端の位置矯正方法とその装置 |
DE8711281U1 (de) | 1987-08-20 | 1987-11-19 | Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer | Greifer für Restbunde |
JPH07214160A (ja) * | 1994-01-27 | 1995-08-15 | Nippon Steel Corp | 熱延コイルの巻き取り方法 |
JPH09201620A (ja) | 1996-01-24 | 1997-08-05 | Kawasaki Steel Corp | 金属帯コイルの巻取り方法 |
US5705782A (en) | 1996-09-30 | 1998-01-06 | Gerback; David | Internal coil spot welding device |
US6354534B1 (en) | 1998-11-05 | 2002-03-12 | Braner Usa, Inc. | Mechanism for increasing the diameter of metal coil coilers |
DE10142179A1 (de) | 2001-08-29 | 2003-03-20 | Sms Demag Ag | Verfahren und Vorrichtung zum Haspeln von dünnem Metallband, insbesondere von warm- oder kaltgewalztem dünnen Stahlband |
WO2004060589A1 (fr) * | 2003-01-06 | 2004-07-22 | Sms Demag Aktiengesellschaft | Procede et dispositif de laminage et de bobinage consecutif d'une bande metallique, notamment d'une bande d'acier |
EP1778420B1 (fr) | 2005-07-18 | 2008-04-23 | SMS Demag AG | Installation de laminage et procede de production d'une bande metallique |
DE102007051976A1 (de) * | 2007-10-31 | 2009-05-07 | Sms Demag Ag | Haspelvorrichtung und Verfahren zur Fixierung der Bunde bzw. Coils bei dieser Haspelvorrichtung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020249284A1 (fr) | 2019-06-13 | 2020-12-17 | Sms Group Gmbh | Fixation d'une partie d'extrémité de bande d'une bobine de bande métallique sur un enroulement en bande voisin |
CN113950387A (zh) * | 2019-06-13 | 2022-01-18 | Sms集团有限公司 | 金属带材卷的带材端部区段在相邻的带材卷圈处的固定 |
CN114535353A (zh) * | 2022-03-17 | 2022-05-27 | 山东钢铁集团日照有限公司 | 一种热轧卷取机安全卸卷方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2982452B1 (fr) | 2016-10-19 |
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