EP1088779A2 - Verfahren zum Aufwickeln einer Materialbahn - Google Patents
Verfahren zum Aufwickeln einer Materialbahn Download PDFInfo
- Publication number
- EP1088779A2 EP1088779A2 EP00118822A EP00118822A EP1088779A2 EP 1088779 A2 EP1088779 A2 EP 1088779A2 EP 00118822 A EP00118822 A EP 00118822A EP 00118822 A EP00118822 A EP 00118822A EP 1088779 A2 EP1088779 A2 EP 1088779A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- roll
- roller
- load
- compressed air
- 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
Images
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
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
- B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/414—Winding
- B65H2301/4148—Winding slitting
- B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
- B65H2301/414866—Winding slitting winding on two or more winding shafts simultaneously on bed rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/40—Shafts, cylinders, drums, spindles
- B65H2404/43—Rider roll construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/14—Diameter, e.g. of roll or package
-
- 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
- B65H2515/20—Volume; Volume flow
-
- 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
- B65H2515/30—Forces; Stresses
-
- 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
- B65H2515/30—Forces; Stresses
- B65H2515/31—Tensile forces
- B65H2515/314—Tension profile, i.e. distribution of tension, e.g. across the material feeding direction or along diameter of web roll
-
- 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
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
Definitions
- the invention relates to a method for winding a Material web to a role in which the role in lies in a changing bed, by a loading roller the changing bed is pressed and at least during one Part of the winding process through a compressed air cushion is supported in the changing bed.
- the invention is based on a paper web described as an example of a material web. she is but not limited to this, but can be used by others Material webs are used in which similar Problems like paper occur. Example of this are cardboard or foils made of metal or plastic.
- the winding hardness is determined, among other things, by a nip force influenced, which is in the nip between the winding roll and sets the support rollers that form the changing bed. In a first approximation, one can assume that the higher the nip force, the higher the winding hardness is.
- the desired winding hardness curve can be done without additional Practically not implement measures.
- the role of the winding process is practically only from the winding tube. So it's relatively light, like that that there is only one due to the nip force low winding hardness would result.
- With increasing Roll diameter also increases the weight of the roll and thus the nip force on the support nips, what the winding hardness would increase. It is therefore known to begin with of the winding process, a loading roller on the roll to let it rest, the load roller being the roller with a predetermined force in the changing bed. This allows the roll to be wound relatively hard, i.e. the winding hardness is in the area of the roll core or the winding tube high enough.
- the invention has for its object the winding quality improve and make operations safer.
- This task is carried out in a method of the type mentioned at the beginning Art solved in that the loading roller Roll with one during the entire winding process Presses a minimum load of 0.5 kN / m into the changing bed.
- the compressed air cushion depending controlled by the load on the load roller becomes.
- the pressure in the compressed air cushion also increased so that the nip force in the Supporting nips on the support rollers forming the changing bed can limit.
- the compressed air cushion is, if necessary, under Consideration of other conditions, such as a minimum roll diameter, immediately to the burden of coupled the loading roller. Since this at least starts a predetermined roll diameter with a constant Force acts, one can have a correspondingly constant Generate counterforce with the help of the compressed air cushion. Because the corresponding forces overlap linearly control is very easy.
- the load roller is used to the Determine the diameter of the roll, using the compressed air cushion depending on predeterminable parameters the wound material web and the diameter of the Role is controlled. If the load roller on the circumference of the roll, then the location of the load roller information about the diameter of the Role. This diameter information allows under Consideration of the parameters of the material web, for example Weight per unit area or density, based on weight and to conclude the associated weight of the role. Then from the weight deduce the nip force in the support nips of the roll. So if, for example, not only their strength, but also passes on their location to a controller, then the controller can use the air cushion relatively adjust exactly.
- the compressed air cushion is preferably set such that that a predetermined maximum nip force between the Role and the support rollers forming the changing bed is exceeded. This limits the winding hardness.
- the maximum nip force is preferably dependent of paper grade sensitivity in the range of 2 to 5 kN / m. This value has proven to be sufficient uni to produce the desired winding hardness, on the other hand but to protect the material web sufficiently.
- a nip force curve between the roller and the support roller the entire winding process remains approximately constant.
- the load from the load roller remains the resulting nip force, which is also taking into account the weight relief with the help of the compressed air cushion results, approximately constant.
- this term is meant that certain variations are entirely permissible could be.
- the changes remain below 25% of an average of the nip force curve.
- the compressed air cushion is only advantageous from one predetermined roll diameter turned on, wherein this roll diameter with the load from the Loading roller is changed.
- this approach one takes into account the fact that only from one predetermined roll weight actually relieves compressed air is necessary because only from a certain Roll diameter the roll weight so far increases that the nip force in the support nips increases the winding hardness could negatively affect.
- By increasing the force of the load roller can now to shift the circumstances. If, for example, due to a troubled run of the role an increase in the The force of the load roller is necessary, the sum then one out of load and weight assumed critical value if the otherwise usual Roll diameter has not yet been reached. In this In this case, the compressed air cushion is set up earlier.
- Fig. 1 shows a winding device for winding a Material web 2 to a winding roll 6 '.
- the web of material 2 is wound on a sleeve 6, which rests in a changing bed 11 by two Carrier rollers 3, 5 is formed.
- the changing bed 11 will with the help of a blow box 4, which is in the gusset below the support rollers 3, 5 is arranged, supplied with compressed air, i.e. A compressed air cushion can be controlled in the winding bed 11 be built to support the Serves winding roller 6 'and thus the bearing force of the Winding roll 6 'on the support rollers 3, 5 reduced.
- the present Case designed as a piston-cylinder engine is, via a linkage 9 in the direction of the changing bed can be charged.
- the sleeve 6 and later the winding roll 6 ' is pressed into the winding bed 11, So against the support rollers 3, 5.
- the position of the winding roller 7 is also dashed drawn.
- the angular position, i.e. an angle ⁇ , of the linkage 9 opposite A pivot point 13 is with the help of a sensor 12 recorded. Since the length of the lever linkage 9 is known the position of the loading roller can be determined from the angle ⁇ 7 determine relative to the changing bed 11. This Location information can also be obtained in other ways be, for example from the extension movement of the engine 8. Finally, it is not necessary that the loading roller moves over a lever linkage 9 becomes. It is also conceivable that the loading roller 7 in a linear guide is arranged.
- the position information of the sensor 12 becomes one Control device supplied.
- the control device controls a force F via the motor 8, with which the loading roller 7 acts on the winding roll 6 '. How to continue explained below is the force of the load roller depending on the diameter of the winding roll 6 '. Because of that are two different forces F, F 'in Fig. 1 specified that at different diameters of Winding roll 6 'or the sleeve 6 from the loading roller 7 are applied.
- the control device also controls 10 also the pressure of the blow box 4, i.e. the Air pressure in the changing bed 11.
- Fig. 2 some curves are now shown, based on whose invention is to be explained.
- a curve 14 shows the line load, which increases with increasing Diameter of the winding roll 6 'without additional Measures would result.
- the negative line load results from the fact that at the beginning of the winding process where the winding roll 6 'is still relatively light, the web 2 in the case of their entry via the support roller 3, the tendency has to lift the sleeve 6 out of the winding bed 11. For this reason, the load roller exercises in this area 7 a relatively large force. That power the loading roller is plotted in a curve 15.
- the loading roller 7 with a relatively high force F in Winding bed 11 directed so that the winding tube 6 and the winding roll 6 'formed thereon with a relative high nip force or nip load is wrapped.
- Winding roller between the nip force in the support nips the winding roller 6 'and the support rollers 3, 5 due to the Until now, the dead weight of the winding roll 6 'has increased the load by the load roller 7 continuously retracted until the load from the load roller 7 was practically barely noticeable.
- Usual The values were 0.2 kN / m.
- the pressure in the changing bed 11 should depend on the paper type and its sensitivity be that the nip force in the support nips between the winding roller 6 'and the two support rollers 3, 5 is about 2 to 5 kN / m.
- the web roll 6 'with the help of the loading roller 7 is pressed firmly into the changing bed on the one hand, to the desired high at the beginning of the winding process Generate winding hardness and at the same time eject it (Kick-out) the web of material from the To prevent changing bed.
- This holding or clamping function is maintained over the entire winding process.
- the control prevents that the contact force of the web roll 6 'on the Carrier rollers 3, 5 becomes so large that damage occurs.
- the control allows it, even with considerably larger ones Forces to work on the load roller 7, because the Compressed air relief for a correspondingly controlled Compensation provides.
Landscapes
- Winding Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
Description
- Fig. 1
- eine schematische Seitenansicht einer Wickelvorrichtung und
- Fig. 2
- verschiedene Kurven zur Darstellung des Wickelverfahrens.
Claims (8)
- Verfahren zum Aufwickeln einer Materialbahn zu einer Rolle, bei dem die Rolle in einem Wickelbett liegt, von einer Belastungswalze in das Wickelbett gedrückt wird und zumindest während eines Teils des Wickelvorgangs durch ein Druckluftpolster im Wickelbett unterstützt wird, dadurch gekennzeichnet, daß die Belastungswalze die Rolle während des gesamten Wickelvorgangs mit einer Mindestbelastung von 0,5 kN/m in das Wickelbett drückt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Druckluftpolster in Abhängigkeit von der Belastung der Belastungswalze gesteuert wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Belastungswalze verwendet wird, um den Durchmesser der Rolle zu ermitteln, wobei das Druckluftpolster in Abhängigkeit von vorgebbaren Parametern der aufgewickelten Materialbahn und vom Durchmesser der Rolle gesteuert wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Druckluftpolster so eingestellt wird, daß eine vorbestimmte maximale Nipkraft zwischen der Rolle und den das Wickelbett bildenden Tragwalzen nicht überschritten wird.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß die maximale Nipkraft in Abhängigkeit von der Papiersortenempfindlichkeit im Bereich von 2 bis 5 kN/m liegt.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß ein Nipkraftverlauf zwischen Rolle und Tragwalze über den gesamten Wickelvorgang annähernd konstant bleibt.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß man die Rolle beim Wickeln beobachtet und die Belastung durch die Belastungswalze erhöht, wenn sich ein unruhiger Lauf zeigt.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Druckluftpolster erst ab einem vorbestimmten Rollendurchmesser eingeschaltet wird, wobei dieser Rollendurchmesser mit der Belastung durch die Belastungswalze verändert wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19946400 | 1999-09-28 | ||
| DE19946400A DE19946400B4 (de) | 1999-09-28 | 1999-09-28 | Verfahren zum Aufwickeln einer Materialbahn |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1088779A2 true EP1088779A2 (de) | 2001-04-04 |
| EP1088779A3 EP1088779A3 (de) | 2003-03-12 |
| EP1088779B1 EP1088779B1 (de) | 2004-10-27 |
Family
ID=7923548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00118822A Expired - Lifetime EP1088779B1 (de) | 1999-09-28 | 2000-08-31 | Verfahren zum Aufwickeln einer Materialbahn |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1088779B1 (de) |
| DE (2) | DE19946400B4 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2436629A3 (de) * | 2010-09-30 | 2012-06-13 | Voith Patent GmbH | Wickelverfahren |
| CN105819258A (zh) * | 2016-05-11 | 2016-08-03 | 圣凯诺服饰有限公司 | 纵直纹卷布系统及其作业方法 |
| US9731929B2 (en) | 2012-11-09 | 2017-08-15 | Windmöller & Hölscher Kg | Method for determining the winding quality of a film roll |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005000031A1 (de) | 2005-04-07 | 2006-10-12 | Voith Paper Patent Gmbh | Tragwalzen-Wickelmaschine |
| DE102005039303A1 (de) | 2005-08-19 | 2007-02-22 | Voith Patent Gmbh | Tragwalzen-Wickelmaschine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI763709A7 (fi) * | 1976-12-28 | 1978-06-29 | Waertsilae Oy Ab | Foerfarande foer reglering av funktionen hos en baervalsrullmaskin |
| US5150850A (en) * | 1991-05-10 | 1992-09-29 | Beloit Corporation | Method for winding a traveling web on a belted two drum wound web roll winder |
| DE9317616U1 (de) * | 1993-11-19 | 1995-03-16 | Beloit Technologies, Inc., Wilmington, Del. | Wickelmaschine |
| DE19524905A1 (de) * | 1995-07-08 | 1997-01-09 | Jagenberg Papiertech Gmbh | Tragwalzen-Wickelmaschine |
-
1999
- 1999-09-28 DE DE19946400A patent/DE19946400B4/de not_active Expired - Fee Related
-
2000
- 2000-08-31 EP EP00118822A patent/EP1088779B1/de not_active Expired - Lifetime
- 2000-08-31 DE DE50008399T patent/DE50008399D1/de not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2436629A3 (de) * | 2010-09-30 | 2012-06-13 | Voith Patent GmbH | Wickelverfahren |
| CN102556721A (zh) * | 2010-09-30 | 2012-07-11 | 沃依特专利有限责任公司 | 卷取方法 |
| US9731929B2 (en) | 2012-11-09 | 2017-08-15 | Windmöller & Hölscher Kg | Method for determining the winding quality of a film roll |
| CN105819258A (zh) * | 2016-05-11 | 2016-08-03 | 圣凯诺服饰有限公司 | 纵直纹卷布系统及其作业方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1088779B1 (de) | 2004-10-27 |
| DE50008399D1 (de) | 2004-12-02 |
| DE19946400A1 (de) | 2001-04-12 |
| EP1088779A3 (de) | 2003-03-12 |
| DE19946400B4 (de) | 2004-06-17 |
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