EP1945387A1 - Betriebsverfahren für eine haspelanordnung zum aufhaspeln eines bandes und hiermit korrespondierende gegenstände - Google Patents
Betriebsverfahren für eine haspelanordnung zum aufhaspeln eines bandes und hiermit korrespondierende gegenständeInfo
- Publication number
- EP1945387A1 EP1945387A1 EP06807311A EP06807311A EP1945387A1 EP 1945387 A1 EP1945387 A1 EP 1945387A1 EP 06807311 A EP06807311 A EP 06807311A EP 06807311 A EP06807311 A EP 06807311A EP 1945387 A1 EP1945387 A1 EP 1945387A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reel
- time
- control device
- coiler
- roller
- 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
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
- B21C47/003—Regulation of tension or speed; Braking
Definitions
- the present invention relates to an operating method for a reel assembly for reeling a tape, comprising at least one reel, a drive roller arranged in front of the reel and a control device for the reel and the drive roller.
- the present invention further relates to a trä ⁇ ger on which gespei- a computer program for a control device for performing such a method of operation is chert. Furthermore, the present invention relates to a
- Control device for a reel assembly of the type mentioned and such a reel assembly itself is
- Reel arrangements for winding a strip and operating methods for such reel arrangements are generally known.
- the driving roller grips the belt at a point of time which is referred to below as a different roller timing from other times, and then feeds it to the reel at a belt speed.
- the belt reaches the reel at a point in time called the rewind time point to distinguish it from other times.
- the reel In Ge ⁇ the reel not contrast to the drive roller holds the tape at this time though. This is done only at a later date, which is hereinafter referred to distinguish ande ren ⁇ times actual reel barrel time.
- the control means are a number Haspelsollwind- and acting in the strip running direction coiler torque limit, so that the control means controls the reel loftieregere ⁇ annulated and operates torque-limited.
- the control ⁇ device to the drive roller a desired roller speed and a Roll limit torque acting in the strip running direction, so that the control device also operates the drive roller in a speed-controlled manner and with limited torque.
- the reel target speed and the desired roller speed are determined such that both the reel and the drive roller lead the belt. This pre ⁇ hens as is absolutely necessary and is also maintained in the present invention.
- the coiler torque limit is set in the prior art before the coiler, usually even time before the roll barrel ⁇ a Haspelendmoment that is until Has ⁇ pellanzeittician constantly maintained. After that, the reel limit moment is varied in such a way that the tension exerted on the belt is constant.
- the role limit torque is set in the prior art before the Rollenjanzeittician to a roll start torque and maintained constant until the reel catch time.
- the procedure of the prior art results in that at the beginning of Aufhaspeins in the band, an increased train occurs.
- the increased train can be so large as to limit the stretching of the belt exceeds ⁇ , ie plastic Formverän- requirements (necking) of the strip leads.
- the thickness and in particular the width of the tape to be coiled ⁇ who therefore changed plastically.
- the thickness and the width of the band represent crucial quality parameters, which are thus adversely affected.
- the object of the present invention is to provide a possibility of reducing the quality or to significantly reduce or even eliminate as much as possible a loss of quality.
- the reel catch time is a mathematically determined value at which the reel should have taken the tape. It can range from the date on which the reel actually sums up the band differ ⁇ .
- the task for the data carrier is achieved in that a computer program for a control device for carrying out such an operating method is stored on it.
- control device the object is achieved in that it is designed such that it operates the reel and the drive roller according to such an operating method.
- the control device can for this purpose have a program memory in which a computer program for the control device is stored, and the control device operate the reel and the drive roller according to the invention on the basis of the computer program.
- the object is achieved in that it has a correspondingly designed control device .
- the reel limit moment is a differentiable function of time, e.g. B. a function that has an S-shaped curve. Because then the reel can follow the change of the reel limit moment particularly easy.
- the roller torque limit is a differen ⁇ ducible function of time.
- they can also Zvi ⁇ rule the coiler and the reel drum and time have a S-shaped course. Because then the driving role of the change of the role limit torque can follow very easily.
- control device lowers the coiler desired rotational speed between the coiler and the reel drum time from an original value to a decreased value, the moment of inertia of the reel ver ⁇ ursachte Switzerlandschreibsspitzen be further reduced in the band due.
- the control device lowers the coiler ⁇ target rotational speed between the coiler and a second intermediate time point continuously to the lowered value and then increases the reel target rotation speed from the second intermediate time point to the reel drum and time again steadily on the ur ⁇ sprün Mimon.
- the desired reel speed is also preferably a differentiable function of time.
- it may have a trough-shaped course. As a result, the reel is more easily able to follow the changes in the desired reel speed.
- control means lowers the roller desired rotational speed steady even before the coiler of a roller initial rotational speed, so that the roller desired rotational speed to the coiler an intermediate value is reached, and the rollers ⁇ target speed then to the coiler drum time maintains the roller desired rotational speed can be lowered after the reel drum timing faster to a final value of is less than the belt speed.
- the controller spreads, starting from a Togetherssp Drillgrad, the reel from a barrel before the reeling point in time lying Sp Schwarzbeginn with a Sp Drge ⁇ speed up.
- the control device preferably detects a reel spreader level prevailing at the reel catch time and performs the initial spreader, the spreader speed and / or the spreader start in such a way that an approximation of the reel spreader degree to its reel catch time to a target sphygmatic level is to be expected during the reeling of subsequent belts.
- FIG. 1 shows a block diagram of a reel arrangement
- FIG. 2 shows a flowchart
- FIGS. 3 and 4 show instant-time diagrams
- FIGS. 5 and 6 show speed-time diagrams
- a reel assembly 1 of a rolling mill is arranged by ⁇ .
- ⁇ a reel assembly 1 of a rolling mill
- FIG. 1 for the sake of clarity, only the last rolling stand 2 of the rolling train is shown.
- a strip 3 is rolled.
- the rolled band 3 is running with a belt speed v from the last stand 2 from. It is supplied to the reel stand 1 and there haspelt up ⁇ .
- the reel assembly 1 comprises a reel 4, a drive roller 5 (more precisely: a pair of drive rollers) and a control device 6.
- the reel 4 has an expandable coiler mandrel 7.
- the drive roller 5 is arranged upstream of the reel 4. It is thus arranged between the reel 4 and the last rolling stand 2 of the rolling train.
- the control device 6 controls the reel 4 and the drive roller 5, so determines their operation ⁇ way and interaction firmly.
- the control device 6 is preferably designed as a processor-controlled control device 6. So it has before ⁇ Trains t processor means 8 which program a Computerpro ⁇ executes 9th It also has a program memory 10 in which the computer program 9 is stored. Due to the computer program 9, the control device 6 then controls the reel 4 and the drive roller 5 accordingly.
- the computer program 9 must have been previously supplied to the control device 6.
- a disk 11 is present -.
- B. a memory card - on which the computer program 9 is stored.
- the data carrier 11 is connected via a corresponding interface 12 with the data carrier ⁇ 11 data technology. Then the computer program 9 is read from the data carrier 11 and stored in the program memory 10.
- the Steuereinrich ⁇ operates tung 6 shows the reel 4 and the capstan roller 5 in a manner which will hereinafter tert in conjunction with FIGS 2 to 10 closer erläu ⁇ .
- the control device 6 first sets setpoint values to initial values in a step S1.
- the initial values ⁇ the case typically from the data of being wound banking derived from the 3 or the control device 6 by an operator or a higher-level host specified.
- control device 6 sets in step S1 - compare FIGS. 3 to 6 - a reel setpoint speed nH * to an original value nHl, a reel limit torque mH acting in the strip running direction to a reel start torque mHl, a desired roller speed nR * to a reel start speed nRl and a belt travel direction acting roll limit torque mR on a roll start torque mRl. Furthermore, it sets a degree of spread g, on which the coiler mandrel 7 is spread, to an initial degree of spread gl.
- Reel limit torque mH and the degree of spread g on Furthermore steu ⁇ ert the control device 6 as part of step S2, the drive roller 5 in accordance with the roll set speed nR * and the roller limit torque of nR.
- the control device 6 thus operates the reel 4 and the drive roller 5 speed-controlled and torque-limited.
- the control device 6 thus controls the Istcard ⁇ number of the reel 4 and the drive roller 5 to the respective predetermined target speed nH *, nR *. However, it does so only if this is achievable with an actual moment that remains below the respective predetermined limit torque mH, mR.
- the speed ⁇ setpoints nH *, NR * are determined such that the Electronicsge ⁇ speeds of the reel mandrel 7 and the driving roller 5 as the tape speed v is larger.
- the control device 6 checks whether a Rollenutzzeittician RFZP is reached.
- the Rollentinezeit ⁇ point RFZP corresponds to the time at which - see also FIG 7 - the band 3 has arrived at the drive roller 5 and has been taken by the drive roller 5.
- the Rollentinezeit ⁇ point RFZP can be readily determined, since at this time the actual roller speed abruptly on a corresponding to the belt speed v Value decreases and at the same time the actual moment taken up by the drive roller 5 (or its drive) increases abruptly to the roller limit torque mR.
- step S4 If the Rollenankzeittician RFZP has not been reached, the controller 6 returns to step S2. If the roll barrel timing RFZP other hand reaches (or überschrit ⁇ th), the control device 6 starts in a step S4, so that, the roll set speed adjust nR *. In particular, it initially lowers the desired rolling speed nR * according to FIG. 6 continuously, so that it reaches an intermediate value nR2 at a reel start time HEZP. By contrast, the desired reel speed nH * and the limit torques mH, mR remain unchanged.
- the reel reach time HEZP corresponds to the time at which the band 3 reaches the reel 4, see also
- a step S5 the control device 6 checks whether the reel recovery time point HEZP has been reached. If the Haspeler ⁇ rich point in time HEZP is still not reached, the control device 6 ⁇ goes back to step S2. On the other hand, when the reel pickup timing HEZP is reached (or exceeded), the controller 6 also adjusts the reel target rotational speed nH *, the reel limit torque mH, and the reel limit torque mR in a step S6 in addition to adjusting the target roller speed nR * in step S4. According to FIG 5, the control device 6 changes the reel ⁇ target speed nH *. This will be discussed later. Furthermore, according to FIGS.
- the control device 6 increases the reel limit moment mH continuously from the reel start time point HEZP and steadily lowers the reel limit moment mR.
- the increase of the reel limit moment mH and the lowering of the roll limit moment can be done in such a way be coordinated that the sum of the limit moments mH, mR is constant.
- the target roll speed nR * is not further changed, but kept at the intermediate value nR2 which the target roll speed nR * has reached at the reel rich time point HEZP.
- a step S7 the control device 6 checks whether a spread start SB has been reached.
- the spread start SB corresponds to the time from which the spreading of the coiler mandrel 7 is started.
- the spread start SB can - as well as the reel rich time HEZP - be determined by a simple material ⁇ pursuit. It corresponds approximately to the time ⁇ point to which the reel 4 is surrounded by about one turn of the band 3 - see FIG 10th But he lies before a date - hereinafter reel catch time called HFZP - to which the reel 4 of approx. 4 to 5 turns of the band 3 is vice ⁇ ben, the reel 4 should therefore hold the band 3 safely.
- step S8 If the spread start SB has not yet been reached, the control device 6 returns to step S2. If, however, the spread start SB is reached (or exceeded), the control device 6 spreads the reel 4 at a spreading speed g 'in a step S8. It changes the reel ⁇ spreading degree g so in the context of step S8 accordingly.
- step S9 the control device 6 checks whether the reel catch time point HFZP has been reached. If the reel barrel ⁇ time HFZP not yet reached that Steuereinrich ⁇ goes tung 6 returns to step S2. Otherwise, it continues the operating method according to the invention with a step S10. In step S10, the controller 6 terminates changing the spread degree g and stores this spread degree g.
- control device 6 controls the bobbin 4 and the capstan roller 5 in accordance with General Procedure ⁇ Licher üb on. It therefore outputs the desired reel speed nH * and the reel limit torque mH to the reel 4, the desired roller speed nR * and the roller limit torque mR the drive roller 5. In particular, it lowers * to a final value nR3 from the role target rotation ⁇ number n R, the smaller speed v when the band ⁇ .
- a step S12 the control device 6 checks whether the band 3 has been completely rewound. This check can also be performed by means of a simple material tracking. If the tape 3 has not been completely rewound, the control device 6 returns to step Sil. If, on the other hand, the tape 3 is already completely unwound, the control device 6 proceeds to a step S13, in which it tracks the initial spreading degree gl, the start of spreading SB and / or the spreading speed g '. The tracking takes place in such a way that an approximation of the reel spreader degree prevailing at its actual reel catch time to a desired reel spreader degree is to be expected during the reeling of subsequent reels. The actual reel catch time is the point in time at which the actual speed of the reel 4 drops to a value corresponding to the belt speed v.
- step S14 the control device 6 checks whether the operating method according to the invention should now be terminated. If this is the case, it naturally terminates the further processing of the computer program 9. Otherwise, the control device 6 waits in a step S15 for the next tape 3 to be rewound and then returns to step S1.
- FIG. 3 increases the STEU ⁇ er adopted 6, the coiler torque limit mH after the coiler HEZP of a coiler initial torque MHL steadily, so that the coiler limit torque mH the coiler drum timing HFZP a Haspelendmoment mH2 achieved.
- the reel limit torque mH is shown in FIG 3 is a differentiable function of the time t.
- the reel limit torque mH according to FIG. 3 has an S-shaped profile.
- 6 changes the control means controls the coiler torque limit mH such that a time derivation of the coiler limit torque mH from Haspeler ⁇ rich time HEZP up to a first intermediate time ZZPl increases and then to the coiler drum timing HFZP drops again.
- the first intermediate time ZZPL is evident between the reel time HEZP and the reel catch time HFZP.
- roller limit torque mR after the reel rich time HEZP of the roll initial torque mRl steadily lowers, so that the roller ⁇ limit torque mR to the reel catch time HFZP reaches a Rollenendmo ⁇ ment mR2.
- the roll end torque mR2 is retained from the roller barrel time point HFZP.
- roller limit torque mR is preferably a differen t ⁇ ducible function of time.
- the rollers ⁇ limit torque mR as shown in FIG 4, between the Hassel HEZP and the reel drum timing HFZP also pelerreichzeittician an S-shaped course have.
- the reel target speed nH * is also preferably a differentiable function of the time t.
- it may, as shown in FIG 5, have a trough-shaped course.
- the desired roller speed nR * is also a differentiable function of the time t.
- it can consist of two sections 13, 14, each of which has an S-shaped course and merge into one another in the area between the reel reach time HEZP and the reel catch point HFZP.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Toys (AREA)
- Blinds (AREA)
- Replacement Of Web Rolls (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06807311T PL1945387T3 (pl) | 2005-10-17 | 2006-10-16 | Sposób pracy zwijarki do zwijania w krąg taśmy i podobnych przedmiotów |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005049604A DE102005049604A1 (de) | 2005-10-17 | 2005-10-17 | Betriebsverfahren für eine Haspelanordnung zum Aufhaspeln eines Bandes und hiermit korrespondierende Gegenstände |
PCT/EP2006/067457 WO2007045636A1 (de) | 2005-10-17 | 2006-10-16 | Betriebsverfahren für eine haspelanordnung zum aufhaspeln eines bandes und hiermit korrespondierende gegenstände |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1945387A1 true EP1945387A1 (de) | 2008-07-23 |
EP1945387B1 EP1945387B1 (de) | 2009-04-08 |
Family
ID=37564380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06807311A Not-in-force EP1945387B1 (de) | 2005-10-17 | 2006-10-16 | Betriebsverfahren für eine haspelanordnung zum aufhaspeln eines bandes und hiermit korrespondierende gegenstände |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1945387B1 (de) |
CN (1) | CN101291755B (de) |
AT (1) | ATE427795T1 (de) |
DE (2) | DE102005049604A1 (de) |
ES (1) | ES2322402T3 (de) |
PL (1) | PL1945387T3 (de) |
WO (1) | WO2007045636A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102941242B (zh) * | 2012-11-28 | 2014-10-22 | 北京金自天正智能控制股份有限公司 | 大盘卷卷取机设备的全自动控制方法 |
CN103480688B (zh) * | 2013-09-22 | 2015-11-25 | 首钢京唐钢铁联合有限责任公司 | 一种带钢头端卷取方法 |
CN114970124B (zh) * | 2022-05-12 | 2023-02-17 | 燕山大学 | 带钢精整机组传动参数建模方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2741083C2 (de) * | 1977-09-13 | 1983-03-03 | Maschinenfabrik Stahlkontor Weser Lenze Kg, 3251 Aerzen | Friktionswickelwellenantrieb |
JPS58163524A (ja) * | 1982-03-19 | 1983-09-28 | Mitsubishi Electric Corp | 鋼板巻取機制御装置 |
JPH01181916A (ja) * | 1988-01-12 | 1989-07-19 | Kawasaki Steel Corp | 連続式冷間圧延機の出側張力制御方法 |
DE4039606A1 (de) * | 1989-12-13 | 1991-06-20 | Sundwiger Eisen Maschinen | Haspel zum auf- und/oder abwickeln von metallbaendern mit bandzugkraeften zwischen 10kn und 1000kn |
DE9216261U1 (de) * | 1992-10-19 | 1994-02-24 | Windmöller & Hölscher, 49525 Lengerich | Vorrichtung zum Aufwickeln einer Bahn |
DE4303721C2 (de) * | 1993-02-09 | 1995-04-27 | Sundwiger Eisen Maschinen | Aufwickelhaspel für Bänder, mit einem insbesondere ein Übersetzungsgetriebe aufweisenden elektromotorischen Antrieb |
JP3280818B2 (ja) * | 1995-02-28 | 2002-05-13 | 三菱電機株式会社 | 張力制御装置 |
DE19614300B4 (de) * | 1995-04-21 | 2004-08-26 | Abb Patent Gmbh | Verfahren zur selbstregulierenden Kompensation der Auswirkung des ungleichmäßigen Rundlaufs einer Rolle |
JP2000271641A (ja) * | 1999-03-25 | 2000-10-03 | Kawasaki Steel Corp | ストリップの巻取方法 |
-
2005
- 2005-10-17 DE DE102005049604A patent/DE102005049604A1/de not_active Withdrawn
-
2006
- 2006-10-16 AT AT06807311T patent/ATE427795T1/de not_active IP Right Cessation
- 2006-10-16 EP EP06807311A patent/EP1945387B1/de not_active Not-in-force
- 2006-10-16 DE DE502006003401T patent/DE502006003401D1/de active Active
- 2006-10-16 CN CN2006800387747A patent/CN101291755B/zh not_active Expired - Fee Related
- 2006-10-16 ES ES06807311T patent/ES2322402T3/es active Active
- 2006-10-16 PL PL06807311T patent/PL1945387T3/pl unknown
- 2006-10-16 WO PCT/EP2006/067457 patent/WO2007045636A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2007045636A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1945387B1 (de) | 2009-04-08 |
ATE427795T1 (de) | 2009-04-15 |
DE102005049604A1 (de) | 2007-04-26 |
CN101291755B (zh) | 2011-04-20 |
WO2007045636A1 (de) | 2007-04-26 |
PL1945387T3 (pl) | 2009-09-30 |
ES2322402T3 (es) | 2009-06-19 |
CN101291755A (zh) | 2008-10-22 |
DE502006003401D1 (de) | 2009-05-20 |
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