EP2729397A1 - Verfahren und vorrichtung zum bewegen einer warenbahn - Google Patents
Verfahren und vorrichtung zum bewegen einer warenbahnInfo
- Publication number
- EP2729397A1 EP2729397A1 EP12769953.6A EP12769953A EP2729397A1 EP 2729397 A1 EP2729397 A1 EP 2729397A1 EP 12769953 A EP12769953 A EP 12769953A EP 2729397 A1 EP2729397 A1 EP 2729397A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive unit
- torque
- power
- web
- conveying means
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/185—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations motor-controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
- B65H23/198—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations motor-controlled (Controlling electrical drive motors therefor)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2220/00—Function indicators
- B65H2220/02—Function indicators indicating an entity which is controlled, adjusted or changed by a control process, i.e. output
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/20—Acceleration or deceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/70—Electrical or magnetic properties, e.g. electric power or current
Definitions
- the invention relates to a method for moving a material web with conveying means which can be driven by at least one drive unit.
- the invention relates to a controller and a machine with at least one drive unit and with by the at least one drive unit driven conveyors. Furthermore, the invention relates to a computer program and a computer program product.
- Such a method and such devices are used in particular where machines traversing Wa ⁇ renbahnen move means of electrically driven rollers and cylinders.
- These cylinders and rollers have, especially in paper, foil and steel processing machines large, dependent on the amount of wound material Massenträg ⁇ units, so that the time to accelerate and decelerate in the range of several minutes.
- Massenträg ⁇ units so that the time to accelerate and decelerate in the range of several minutes.
- To prolong the periods of production it makes sense to use the shortest mög ⁇ handy ramp times for acceleration and deceleration. This ramp time depends mainly on the factors friction and inertia.
- the mass inertia is highly dependent al before ⁇ lem for winders (up and unwinders) from the quantity of the rolled material.
- the acceleration and deceleration ⁇ have been set on such a value, respectively, that the machine is electrically and mechanically not overloaded.
- the invention has for its object to reduce times for Be ⁇ accelerate and decelerate a web through existing drives or to use the same time requirements drives with lower power and torque limits ⁇ .
- This object is achieved by a method for moving a material web with conveying means that can be driven by at least one drive unit, having the following method steps:
- the conveyor are accelerated by the at least one drive unit with the predetermined power, if a torque required for this purpose is smaller than the predetermined torque of the at least one drive ⁇ unit,
- the method can be used in particular in paper, foil or steel processing machines, in which continuous webs are moved by means of electrically driven conveying means.
- This support may be carried out at play ⁇ as rollers, cylinders, conveyor belts or the like, and may have a large inertia so that, together with the movable th webs.
- the advantage of the method according to the present invention is the ability to quickly change the movement of a web.
- the method allows a torque and performance-optimal movement. This is also possible if the inertia of the conveyor or the web changes, for example by winding the web on the funding.
- the concept of acceleration is considered positive.
- insbesonde ⁇ re in electric drives at a low speed or rotational speed of the torque is the limiting magnitude of the acceleration. That is, at low speed or speed, a drive unit can provide comparatively large torque, whereas the power of the drive unit is comparatively low and increases in proportion to the speed or speed. For larger speeds or speeds, however, the power of the drive unit is the limiting amount of acceleration. In this case, the drive unit can provide a comparatively large power, with the torque being reduced for increasing speeds or speeds.
- a torque and power can be specified now, otherwise stored values can be ver ⁇ spent.
- the at least one drive unit requires a certain torque and a certain amount of power.
- the method now provides to accelerate the conveyor with the predetermined torque, if the power required for it is less than the predetermined power. If the torque required for the acceleration is smaller than the predefinable torque, the conveying means are accelerated with the predetermined power. This can lead to short-term overshoots at rea ⁇ len drives, during which a larger torque than the predetermined torque or a higher power than the given power to
- Speed setpoints by means of a ramp-function generator, a Ver ⁇ equal to said speed or speed setpoints with the speed or speed actual values and after a torque limit, a conversion of the predetermined torque and the predetermined power in current setpoints.
- the method further provides for termination of the acceleration process as soon as a desired movement or speed of the material web has been reached. This may be the special ⁇ the run of the web up to a certain speed or complete standstill of goods ⁇ ground.
- the predetermined power for example, a certain percentage of the rated power of at least one drive unit and the ⁇ vorable torque, for example, a certain percentage of the rated torque of the at least one drive unit.
- the predefinable torque of the at least one drive unit is the rated torque of the at least one drive unit and the predefinable power is the rated power of the at least one drive unit.
- the acceleration process is terminated as soon as the desired movement of the web has been reached. If the material web is moved and deceleration is desired, then this acceleration of the material web executed as deceleration is achieved using the rated power of the at least one drive unit, provided that the torque required for this purpose is smaller than the nominal torque. In this case, the web is slowed down by the extent the at least one Antriebsein ⁇ standardized using the rated power, to the torque required for the nominal torque ⁇ absolute value is equal to at least one drive unit. Subsequently ⁇ ochd the goods web is braked at the rated torque of the drive ⁇ unit, the braking power which is now smaller than the nominal power of at least one drive unit. Overall, this results in a nearly optimal ramp time during which the funding is accelerated and during which the at least one drive unit causes the maximum possible acceleration. As a result, less time is needed to start or stop a machine with continuous webs.
- the at least one drive unit may be, for example, in the form that at least one rectifier, which rectifies an AC voltage of the supply network into a DC link voltage, provides at least one DC link capacitor and at least one inverter, which switches the DC link voltage into an AC voltage of variable frequency are. If a rectifier and several inverters are used, the inverters can have a greater total power than the rectifier, so that the power of the at least one drive unit is limited by the rectifier. In this case, the rated power of the at least one drive unit is given by the rated power of the rectifier.
- the method has the following further method steps:
- Performance and their comparison with the predeterminable values for torque and power, a check and a return ⁇ coupling of the method can be performed such that the current setpoints for the drive unit may be corrected and adjusted.
- the actual values of the torque and the power of the at least one drive unit in particular ⁇ sondere can be determined by a converter, which of the at least one drive unit is comprised.
- the acceleration of the conveyor is performed as a deceleration of the movement of the web and the at least one on ⁇ drive unit is operated as a generator. Because the method can be used in particular for machines with large inertia, the generator operation of a drive unit of the machine in terms of environmental protection, energy conservation and cost reduction is particularly interesting. Because when braking the funding can their kinetic Energy are fed back through the at least one drive unit in the form of electrical energy in the power grid. Overall, the machine thus consumes less energy, which is synonymous with a cost reduction and improved environmental protection.
- the acceleration of the conveyor is performed as a deceleration of the movement of the web and the movement of the web is additionally braked by means of a brake.
- a brake By using a brake, a greater acceleration of the conveying means can be achieved, resulting in an increased Pro ⁇ productivity of the machine since the time can be reduced to a desired motion to brake the machine. Consequently, the cost can be further reduced.
- the method has the following further method steps:
- the conveying means comprise a winding cylinder, which may also be designed as a roller or another device for winding a web.
- the web is wound on the winding cylinder or unwound, and since the web itself has a certain thickness, which has on the
- Cylinder wound material a certain Stresswickel ⁇ thickness, which is detected.
- the thick are for accelerating the conveying means be ⁇ forced torque, required to accelerate the conveying means and / or the current values detected and vomit ⁇ chert. This can take place, for example, in a controller, in which the dependence of the variables mentioned on the detected goods winding thickness of the material web wound on the winding cylinder is thus present.
- the method has the following further method steps:
- the stored information can be used when detecting a specific amount of goods roll presently present on the cylinder.
- a learning process takes place, and a machine to which the method is applied is characterized by some "intelligence.” This is particularly advantageous when using different webs having different textures, thicknesses or masses, and for each the different webs the said dependence is stored separately.
- the method has the following further method steps: Determining the ratio of that torque or the power for each drive unit, which is required for a desired acceleration, with respect to that torque or the power that can provide the respective drive unit maximum,
- the determined ratio is greater than 1.
- the ratio for each is Drive units determined. If one of the conditions determined to be greater than 1, it is for those driving unit having the largest ratio and thus ermit ⁇ Telte most is overtaxed, the determined maximum betechnikstelligbare acceleration. Finally, the conveying means are accelerated with the determined maximum achievable acceleration. So that means that those drive unit with the largest ratio determined and what is most overwhelmed, the Be ⁇ acceleration of funding dictates.
- Ma ⁇ machines which have a plurality, for example as cylinders, rolls or the like running conveying means and have a plurality of associated drive units, so that si will ⁇ ensure that the back moving web over a plurality of conveyor medium and is moved evenly by several drive units.
- FIG. 1 shows a flow chart of the method according to the present invention for moving a material web
- FIG. 2 shows an exemplary time profile of a speed of a material web, a torque actual value and an actual power value
- FIG. 3 shows a block diagram of a first embodiment of the invention
- FIG. 5 shows an exemplary time profile of a speed of a material web, a torque actual value and a power actual value according to the prior art.
- step 101 a ge ⁇ desired movement of the web 1 with the current movement of the web of material 1 is compared. If the current case BEWE ⁇ supply of the material web 1 be equal to the desired movement of the material web 1, so step 104 in which the process is completed is executed. If the current motion and the desired motion of the web 1, however, differed be ⁇ Lich, the web 1 with through at least one drive unit 2 drivable conveying means 3 is 13 ACCEL ⁇ nigt. For this purpose, two cases are distinguished, for each corresponding current values 11 are set to the at least one drive unit at ⁇ .
- step 102 the conveying means 3, 13 accelerates through the at least one Antriebsein ⁇ unit 2 with a predetermined torque 4, if a required power for less than a predetermined power 5 at least one drive unit.
- step 103 the conveying means 3, ⁇ be accelerated 13 through the at least one drive unit 2 with the predetermined power 5, if a required torque for the moderate magnitude is smaller than the predetermined torque 4 at least one drive unit. 2 If step 102 or step 103 has been carried out, step 103 or 102 can subsequently be carried out, or the acceleration process is terminated in accordance with 104 as soon as a desired movement of goods web 1 has been reached.
- FIG. 2 shows an exemplary time profile of the speed 8 of a material web 1, a torque actual value 6 and a power actual value 7 according to the method of the present invention.
- the abscissa is the time up ⁇ wear and on the ordinate axis with a scale of 0 to 2000, the velocity 8 of a material web 1.
- On the Ordina ⁇ ten-axis are further each provided with a scale from -150 to 150, a torque Actual value 6 and an actual power value 7 are plotted.
- the latter two quantities are in% as a relative value with respect to the corresponding nominal values ⁇ a drive unit 2 is expressed, wherein the drive unit 2 to ⁇ conveyor means 3, can speed 13, which move the web. 1 Reference numerals in Figure 2 are not shown and mentioned herein, see the other Figu ⁇ ren.
- the conveyor means 3, 13 and the web 1 initially accelerated with ver ⁇ same as low power, but with an actual torque value 6 is used, which the nominal torque ⁇ torque of the drive unit 2 corresponds.
- the nominal torque ⁇ torque of the drive unit 2 corresponds.
- the speed increases 8. Since the performance is both proportional to the torque as well as proportional to the velocity or speed 8, located 7 increases the power value of the drive unit 2 with increasing Ge ⁇ speed 8.
- the drive unit 2 is first used as a power value 7, the nominal ⁇ power of the drive unit, wherein an actual torque value 6 is used, which is smaller in absolute value than the Drive unit torque rating 2.
- Actual power value 7 is held constant as speed 8 decreases, with the actual torque value increasing until the torque rating of drive unit 2 is reached.
- the material web 1 the actual torque value 6 will be constant and equal to the nominal torque of the drive unit 2 ⁇ maintained and the power value 7 is reduced with decreasing speed. 8
- a torque or power-optimal movement always takes place and the time required for acceleration is very short.
- FIG. 3 shows a block diagram of a first execution ⁇ of the method according to the present invention.
- Drive units 2 current setpoints 11 are specified by a ramp generator 24.
- the setpoint values can either be transferred directly to all drive units 2 or via a setpoint scale or via a setpoint cascade.
- the ramp-function generator 24 can also be designed as a ramp generator or the like.
- the drives 2 can perform a movement ⁇ tion using a respective torque actual value 6 and a respective actual power value 7, which are registered by a ramp adaptation 21.
- a value for the acceleration rate 22 is determined, wel ⁇ che is transmitted to the ramp-function generator 24. This in turn generates the current setpoint values 11, which are specified to the drive units 2.
- FIG. 4 shows a block diagram of a first execution ⁇ form of the machine according to the present invention.
- a web 1 is moved via a roller 3 to a winding cylinder 13, on which the web 1 is wound up.
- the wound up on the winding cylinder 13 web 1 has a fabric winding thickness 14.
- the roller 3 and the winding cylinder 13 are each driven via a drive shaft 20 which is provided with a brake 12 and is driven by a drive unit 2.
- the respective drive units 2 ⁇ obtain desired current values 11 from a controller 15, on which, during the implementation of the method of the present invention, a computer program 18 runs out.
- FIG. 5 shows an exemplary time profile of a speed of a material web of a torque actual value and a power actual value according to the prior art.
- the representation of the actual torque value 6, the actual power value 7 and the speed 8 corresponds to that in Figure 2 of the present document.
- the actual torque value 6 remains during the supply phase Accelerati ⁇ almost constant and is less than about half of the torque nominal value of a corresponding connection Drive unit 2.
- the actual power value 7 is continuously increased and while the speed 8 decreases, the power value is continuously reduced.
- the actual power value 7 does not reach even at high speeds 8
- Nominal power value of a corresponding drive unit 2 Nominal power value of a corresponding drive unit 2.
- the invention relates to a method for Be ⁇ due to a web 1 with at least one drive unit 2 drivable funding 3, 13. Furthermore, the invention relates to a controller 15 and a machine 16 with ⁇ at least one drive unit 2 and with at least one drive unit 2 drivable conveying means 3, 13. Wei ⁇ ter the invention relates to a computer program 18 and a computer program product 19th
- the conveyor means 3, 13 are accelerated by the at least one drive ⁇ unit 2 with the predetermined power 5, if a torque required for 4 amount- is moderately smaller than the predefinable torque of the at least one drive unit 2,
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011083574A DE102011083574A1 (de) | 2011-09-28 | 2011-09-28 | Verfahren und Vorrichtung zum Bewegen einer Warenbahn |
| PCT/EP2012/067285 WO2013045239A1 (de) | 2011-09-28 | 2012-09-05 | Verfahren und vorrichtung zum bewegen einer warenbahn |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2729397A1 true EP2729397A1 (de) | 2014-05-14 |
| EP2729397B1 EP2729397B1 (de) | 2019-05-01 |
| EP2729397B2 EP2729397B2 (de) | 2023-06-07 |
Family
ID=47008483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12769953.6A Active EP2729397B2 (de) | 2011-09-28 | 2012-09-05 | Verfahren und vorrichtung zum bewegen einer warenbahn |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2729397B2 (de) |
| CN (1) | CN103842276B (de) |
| DE (1) | DE102011083574A1 (de) |
| ES (1) | ES2739624T3 (de) |
| FI (1) | FI2729397T4 (de) |
| WO (1) | WO2013045239A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112015000612A5 (de) * | 2014-02-03 | 2016-11-03 | Juan Carlos González-Villar | Antriebssystem für Förder-, Extruder-, Schub-, Zugeinrichtungen, Gleichlaufanwendungen und Zentrumswickler |
| EP3173186A1 (de) * | 2015-11-24 | 2017-05-31 | Siemens Aktiengesellschaft | Maschinenstation mit einem linearantrieb, anlage und verfahren zur bearbeitung eines bearbeitungsgutes |
| DE102019127838A1 (de) * | 2019-10-15 | 2021-04-15 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Verfahren zum Umwickeln einer aufgerollten Warenbahn und Umwickelvorrichtung |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1189182B (de) * | 1961-08-15 | 1965-03-18 | Licentia Gmbh | Insbesondere fuer ein Bandwalzwerk vorgesehener Mehrmotorenantrieb |
| US3725755A (en) * | 1969-11-27 | 1973-04-03 | Vanguard | Systems for driving reels at controlled speed and power and improved apparatus for effecting such driving |
| US4519039A (en) * | 1982-07-23 | 1985-05-21 | Westinghouse Electric Corp. | Digital coil diameter function generator and reel motor drive system embodying the same |
| DE3731214A1 (de) * | 1987-09-17 | 1989-03-30 | Koenig & Bauer Ag | Vorrichtung fuer das gesteuerte zufuehren von bandmaterial zu druckmaschinen, sowie ein verfahren und eine vorrichtung zur durchfuehrung des verfahrens zur regelung eines entsprechenden steuersignals |
| JP2598968B2 (ja) * | 1988-06-13 | 1997-04-09 | 津田駒工業株式会社 | 巻取機械の制御装置 |
| JP3526372B2 (ja) * | 1996-06-13 | 2004-05-10 | 富士電機システムズ株式会社 | 巻取設備の制御方法 |
| DE102004004759B4 (de) * | 2004-01-30 | 2006-03-09 | Koenig & Bauer Ag | Antrieb für einen Rollenwechsler |
| FI120432B (fi) | 2007-02-05 | 2009-10-15 | Abb Oy | Menetelmä sähkökäytön ohjaamiseksi |
| DE102007007988A1 (de) * | 2007-02-17 | 2008-08-28 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Reibkompensation |
| FI125653B (fi) * | 2008-09-29 | 2015-12-31 | Valmet Technologies Inc | Kuiturainakoneen osan ja/tai laitteen sähkökäyttöjärjestely ja menetelmä kuiturainakoneen osan ja/tai laitteen sähkökäyttöjärjestelyn ohjaamiseksi |
| FI122609B (fi) | 2009-01-12 | 2012-04-13 | Abb Oy | Menetelmä, laitteisto ja tietokoneohjelmatuote aukirullaimen yhteydessä |
-
2011
- 2011-09-28 DE DE102011083574A patent/DE102011083574A1/de not_active Ceased
-
2012
- 2012-09-05 ES ES12769953T patent/ES2739624T3/es active Active
- 2012-09-05 FI FIEP12769953.6T patent/FI2729397T4/de active
- 2012-09-05 EP EP12769953.6A patent/EP2729397B2/de active Active
- 2012-09-05 CN CN201280047420.4A patent/CN103842276B/zh active Active
- 2012-09-05 WO PCT/EP2012/067285 patent/WO2013045239A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| NUSS, U.: "HOCHDYNAMISCHE REGELUNG ELEKTRISCHER ANTRIEBE", 2010, VDE-VERLAG, pages: 284 - 297,393, XP003035158 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2739624T3 (es) | 2020-02-03 |
| EP2729397B1 (de) | 2019-05-01 |
| WO2013045239A1 (de) | 2013-04-04 |
| DE102011083574A1 (de) | 2013-03-28 |
| CN103842276B (zh) | 2016-03-09 |
| EP2729397B2 (de) | 2023-06-07 |
| CN103842276A (zh) | 2014-06-04 |
| FI2729397T4 (en) | 2024-01-29 |
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