EP1270473A2 - Schräglauf-Kompensations-Vorrichtung für Wellpappeanlage - Google Patents
Schräglauf-Kompensations-Vorrichtung für Wellpappeanlage Download PDFInfo
- Publication number
- EP1270473A2 EP1270473A2 EP02012776A EP02012776A EP1270473A2 EP 1270473 A2 EP1270473 A2 EP 1270473A2 EP 02012776 A EP02012776 A EP 02012776A EP 02012776 A EP02012776 A EP 02012776A EP 1270473 A2 EP1270473 A2 EP 1270473A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- material web
- transverse
- transport direction
- web
- position sensor
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
- B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
- B31F1/2831—Control
- B31F1/2836—Guiding, e.g. edge alignment; Tensioning
-
- 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
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/0204—Sensing transverse register of web
-
- 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
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/038—Controlling transverse register of web by rollers
Definitions
- the invention relates to a device for compensating for skew a moving material web, in particular a paper web, in a paper processing machine, such as a corrugated cardboard machine.
- the invention has for its object to provide a device with the skew of a moving material web in a paper processing machine be detected and compensated for as simply as possible can.
- the object is solved by the features of claim 1.
- the core the invention is that the transverse position of a moving web of material at two different longitudinal positions arranged one behind the other is determined and from this the slope of any one other longitudinal position can be determined.
- On the along the web arranged machining units become the machining tools according to the determined cross deviation with regard to corrected their position. It is therefore not necessary to have the machining units to move across as a whole.
- one compensation of the inclined course as accurate as possible.
- a corrugated cardboard system has one Slitting and creasing machine 1 through which a corrugated cardboard web 2 is guided along a desired transport direction 3.
- the machine 1 has along the transport direction 3 an edge trimming station 4, a first Creasing station 5, a second creasing station 6 and a first slitting station 7 and a second slitting station 8.
- the edge trimming station 4 has in the region of the lateral edges 9 of the Corrugated cardboard web 2 two pivotable about a vertical pivot axis 10 rotating knife 11, which is arranged below the corrugated web 2 are and can be brought into engagement with the corrugated cardboard web 2.
- the knives 11 are transverse to the direction of transport by an associated actuator 12 3verschiebbar.
- the knives 11 and the actuators 12 are opposite Supported side walls 13 of a machine frame 14.
- the creasing stations 5 and 6 point between one another Side walls 13 supported pairs of tool beds 15, 16 and 17, 18 on.
- the tool beds 15 and 16 and 17 and 18 are in pairs arranged one above the other, approximately mirror-symmetrically to the corrugated cardboard web 2.
- the tool beds 15 to 18 are each horizontal by one running pivot axis pivotable.
- On each of the corrugated cardboard 2 facing sides of the tool beds 15 to 18 are guide rails 19 attached, on each of which in turn in pairs assigned tool carriers 20 to 23 horizontally and transversely to the transport direction 3 are slidably mounted.
- On the upper tool carriers 20 and 21 grooving tools 24 and 25 are provided, each with underneath counter-creasing tools arranged on the tool carriers 22 and 23 26 or 27 cooperate.
- the tools 24 to 27 are via belt drives 28 drivable.
- the creasing stations 5, 6 also have a vertical threaded spindle 29 running in the direction of transport 3 and rotatably mounted on, which can be driven via a spindle motor 30 connected to the latter.
- the individual creasing tools 24 to 27, of which several each on the Associated tool carriers 20 to 23 are arranged on the associated Threaded spindle 29 can be coupled to a displacement of the corresponding Creasing tool 24 to 27 to effect. That way you can with a threaded spindle 29 several along a threaded spindle 29 arranged tools 24 to 27 individually or all moved together become.
- a 1-spindle positioning unit to the applicant's DE 100 38 511 A1.
- As for the more precise Construction of the creasing stations 5 and 6 as well as the slitting stations 7 and 8 is referred to DE 197 54 799 A1 (corresponds to US Ser. 09/203 575).
- the slitting stations 7 and 8 point below the corrugated cardboard web 2 pivotable according to the structure of the creasing stations 5 and 6
- the knives 35 can be brought into engagement with the corrugated cardboard web 2 and act with rotary drives arranged above the corrugated cardboard web 2 Brush rollers 36, 37 together when the knives 35 are in the corrugated web 2 are immersed.
- transverse displaceability of the Knife 35 is referred to the description of the creasing stations 5 and 6.
- a device for measuring a skew of the corrugated cardboard web 2 has two connected to the side walls 13, transversely to the transport direction 3 extending cross members arranged above the corrugated cardboard web 2 38 and 39 on.
- the cross member 38 is on the lying in the transport direction 3 End of the edge trimming station 4 arranged.
- the cross member 39 is arranged at the beginning of the slitting station 7.
- Cameras 40 are arranged which have a detection area 41. Both Cameras 40 are commercially available cameras, in particular digital cameras, for subsequent image processing for capture the position of the edges 9 are suitable.
- the cameras 40 are on signal lines 42 connected to a control device 43, which in turn is connected to the spindle motors 30 via signal lines 44.
- FIG. 5 is not to scale and represents a great simplification of the machine 1 in order to better explain the principle of operation.
- the target course 45 of a corrugated cardboard web 2 through the machine 1 runs parallel to the target transport direction 3. Due to faults in the corrugated cardboard system, it may be that the corrugated cardboard web 2 runs along an actual transport direction 46 which is oblique and not parallel to the target transport direction 3 runs.
- 5 shows only the cameras 40 arranged above the right edge 9 in the direction of transport 3, two cameras 40 also being arranged in the area of the left edge 9. The cameras 40 are arranged at two known longitudinal positions x S1 and x S2 .
- the measurement data of the cameras 40 are given via lines 42 to the control device 43, which calculates the course of the corrugated cardboard web 2. From the measurement data, the desired transverse positions ySOLL W corresponding to the skew of the corrugated cardboard web 2 are calculated for the stations 5 to 8, which are arranged at a specific longitudinal position x W , for the respective tool 24 to 27 and 35.
- a corresponding control signal to the corresponding motor 30 is added via the lines 44, which via the threaded spindle 29 of the corresponding tool of the actual transverse position Yist W transverse position setpoint shifts Ysoll W in the.
- all tools 24 to 27 and 35 assigned to a threaded spindle 29 are shifted at once in accordance with the required slip compensation. Since the necessary corrections are usually relatively small displacements, the tools 24 to 27 and 35 can also be moved transversely when they are in engagement with the corrugated cardboard web 2. It is particularly advantageous in the arrangement of the stations 4 to 8 that the edge trimming station 4 is arranged upstream of the creasing stations 5 and 6 from the slitting stations 7 and 8.
- the actual transport direction 46 of the corrugated cardboard web 2 runs parallel to the desired transport direction 3, but the corrugated cardboard web 2 does not run centrally through the machine 1, but rather is offset transversely.
- the device according to the invention can also be used to correct a corresponding web offset without changes.
- the transverse position of the corrugated cardboard web 2 can also take place by means of a marking arranged on the corrugated cardboard web 2, for example a printed line.
- a second embodiment will now be described with reference to Figs described the invention. Identical parts get the same Reference numerals as in the first embodiment, on the description thereof is hereby referred. Structurally different, however Functionally similar parts are given the same reference symbols with a superscript stroke.
- the main difference from the first embodiment is that the edge trimming station 4 the stations 5 to 8 is subordinate. Accordingly, two cameras 40 'are in front of the first Station 5 and arranged between stations 6 and 7, which, like in the first embodiment, the position of the edge 9 of the corrugated web 2 capture. The arrangement of station 4 behind stations 5 to 8 leads to the cameras 40 each capturing an untrimmed edge 9.
- the arrangement according to the second embodiment takes place in particular then, for operational reasons, the edge trimming after the creasing stations 5 and 6 and the slitting stations 7 and 8 must be done.
- FIGS. 8 and 9 A third embodiment of the invention will now be described with reference to FIGS. 8 and 9. Identical parts are given the same reference numerals as in the first embodiment, to the description of which reference is hereby made. Structurally different, but functionally similar parts are given the same reference numerals with two prime lines.
- the stations 4 to 8 are arranged one behind the other along the transport direction 3.
- the central difference compared to the first embodiment is that the first pair of cameras 40 is not provided in the direction of transport 3.
- the function of the first two position sensors is taken over by the actuators 12 of the edge trimming station 4.
- the actuators 12 are connected to the control device 43 via lines 42.
- the control device 43 has information at all times about the transverse positions of the knives 11.
- the transverse positions of the knives 11 thus correspond to the transverse position data y S1 of the front camera pair 40 in the first embodiment. From this transverse position data and the transverse position data of the downstream camera pair 40 ", the control device 43 converts the oblique course of the corrugated cardboard web 2. It is advantageous in this embodiment that only two cameras "and not four cameras 40 as in the first embodiment are required.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Controlling Sheets Or Webs (AREA)
- Registering Or Overturning Sheets (AREA)
Abstract
Description
- Fig. 1
- eine schematische Draufsicht auf eine erfindungsgemäße Vorrichtung gemäß einem ersten Ausführungsbeispiel,
- Fig. 2
- eine Seitenansicht der Vorrichtung gemäß Fig. 1,
- Fig. 3
- eine Draufsicht der Vorrichtung gemäß Fig. 1,
- Fig. 4
- eine Frontansicht gemäß dem Sichtpfeil IV in Fig. 2,
- Fig. 5
- eine schematische Darstellung der Funktionsweise der Vorrichtung gemäß Fig. 1,
- Fig. 6
- eine schematische Draufsicht auf eine erfindungsgemäße Vorrichtung gemäß einem zweiten Ausführungsbeispiel,
- Fig. 7
- eine Draufsicht der Vorrichtung gemäß Fig. 6,
- Fig. 8
- eine schematische Draufsicht auf eine Vorrichtung gemäß einem dritten Ausführungsbeispiel, und
- Fig. 9
- eine Draufsicht der Vorrichtung gemäß Fig. 8.
Claims (10)
- Vorrichtung zur Kompensation des Schräglaufs einer bewegten Materialbahn (2), insbesondere einer Papierbahn in einer Papierverarbeitungsmaschine, wie einer Wellpappemaschine,a) mit einer entlang einer Soll-Transport-Richtung (3) zu transportierenden und entlang einer Ist-Transport-Richtung (46) transportierten Materialbahn (2),b) mit mindestens einer Bearbeitungs-Einheit (4, 5, 6, 7, 8) zur Bearbeitung der Materialbahn (2), wobei die mindestens eine Bearbeitungs-Einheit (4, 5, 6, 7, 8) mindestens ein Bearbeitungs-Werkzeug (11, 24, 25, 26, 27, 35) aufweist,i) das quer zur Soll-Transport-Richtung (3) durch einen Stell-Antrieb (30) verschiebbar ist,ii) das mit der Materialbahn (2) in Eingriff bringbar ist undiii) das an einer Ist-Quer-Position yISTW und an einer Werkzeug-Längs-Position xW angeordnet ist,c) mit einer Schräglauf-Meßeinrichtung zur Bestimmung der Ist-Transport-Richtung (46) der Materialbahn (2), wobei die Schräglauf-Meßeinrichtung aufweisti) mindestens einen an einer ersten Längs-Position XS1 angeordneten ersten Positions-Sensor (40; 40'; 12) zur Bestimmung einer ersten Quer-Position yS1 der Materialbahn (2) undii) mindestens einen an einer zweiten Längs-Position xS2 angeordneten zweiten Positions-Sensor (40; 40'; 40") zur Bestimmung einer zweiten Quer-Position yS2 der Materialbahn (2), undd) mit einer Steuer-Einrichtung (43),i) welche mit dem mindestens einen ersten Positions-Sensor (40; 40'; 12), dem mindestens einen zweiten Positions-Sensor (40; 40'; 40") und dem mindestens einen Stell-Antrieb (30) in datenübertragender Weise verbunden ist undii) welche derart ausgebildet ist, daß aus der ersten Quer-Position yS1 und der zweiten Quer-Position yS2 der Materialbahn (2) deren Ist-Transport-Richtung (46) bestimmt wird, hieraus die Soll-Quer-Position ySOLLW des mindestens einen Bearbeitungs-Werkzeugs (11, 24, 25, 26, 27, 35) bestimmt wird und der mindestens eine Stell-Antrieb (12, 30) zur Verschiebung des entsprechenden Bearbeitungs-Werkzeugs (11, 24, 25, 26, 27, 35) in die Soll-Quer-Position ySOLLW angesteuert wird.
- Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß die Materialbahn (2) zwei seitliche Ränder (9) aufweist.
- Vorrichtung gemäß Anspruch 2, dadurch gekennzeichnet, daß die Positions-Sensoren (40; 40'; 12, 40") derart ausgebildet sind, daß sie die Quer-Position mindestens eines Randes (9) der Materialbahn (2) ermitteln.
- Vorrichtung gemäß Anspruch 3, dadurch gekennzeichnet, daß die Positions-Sensoren (40; 40'; 12, 40") die Quer-Position beider Ränder (9) der Materialbahn (2) erfassen.
- Vorrichtung gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Stell-Antrieb (30) eine antreibbare Gewindespindel (29) aufweist.
- Vorrichtung gemäß Anspruch 5, dadurch gekennzeichnet, daß das mindestens eine Bearbeitungs-Werkzeug (11, 24, 25, 26, 27, 35) zur Querverschiebung desselben an die Gewindespindel (29) kuppelbar ist.
- Vorrichtung gemäß Anspruch 2, dadurch gekennzeichnet, daß eine Bearbeitungs-Einheit (4) als Einheit zum Beschneiden der Ränder (9) der Materialbahn (2) ausgebildet ist.
- Vorrichtung gemäß Anspruch 7, dadurch gekennzeichnet, daß die Einheit zum Beschneiden der Ränder (9) Messer (11) aufweist, die durch einen Messer-Stell-Antrieb (12) in eine vorbestimmte Messer-Quer-Position yM positionierbar sind.
- Vorrichtung gemäß Anspruch 8, dadurch gekennzeichnet, daß der Messer-Stell-Antrieb (12) den mindestens einen ersten Positions-Sensors (12) bildet.
- Vorrichtung gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der mindestens eine erste Positions-Sensor (40; 40'; 12) und der mindestens eine zweite Positions-Sensor (40; 40'; 40") an verschiedenen Längs-Positionen xS1 bzw. xS2der Materialbahn (2) angeordnet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10131833A DE10131833A1 (de) | 2001-06-30 | 2001-06-30 | Schräglauf-Kompensations-Vorrichtung für Wellpappeanlage |
DE10131833 | 2001-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1270473A2 true EP1270473A2 (de) | 2003-01-02 |
EP1270473A3 EP1270473A3 (de) | 2005-09-14 |
Family
ID=7690207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02012776A Withdrawn EP1270473A3 (de) | 2001-06-30 | 2002-06-10 | Schräglauf-Kompensations-Vorrichtung für Wellpappeanlage |
Country Status (3)
Country | Link |
---|---|
US (1) | US20030000988A1 (de) |
EP (1) | EP1270473A3 (de) |
DE (1) | DE10131833A1 (de) |
Cited By (5)
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CN103171918A (zh) * | 2013-03-01 | 2013-06-26 | 东莞科视自动化科技有限公司 | 一种复合式全自动天桥纠偏方法及设备 |
WO2015184081A1 (en) * | 2014-05-29 | 2015-12-03 | Corning Incorporated | Apparatuses for steering flexible glass webs and methods for using the same |
CN106586665A (zh) * | 2016-12-02 | 2017-04-26 | 宝钢工程技术集团有限公司 | 检测钢卷折头位置的装置及方法 |
CN110549686A (zh) * | 2018-05-30 | 2019-12-10 | 青岛开拓数控设备有限公司 | 一种瓦楞纸板自动检测纠偏装置、纵切压线机及生产线 |
CN113023443A (zh) * | 2021-03-02 | 2021-06-25 | 福建钰辰微电子有限公司 | 一种柔性电路板生产用卷材纠偏机构 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1651398B1 (de) | 2004-05-26 | 2007-03-07 | BHS Corrugated Maschinen-und Anlagenbau GmbH | Bürstenwalze |
US20060060149A1 (en) * | 2004-09-23 | 2006-03-23 | Response Engineering, Inc. | Spill-resistant drinking container for animals |
DE102004046127A1 (de) * | 2004-09-23 | 2006-04-13 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Wellpappe-Anlage und Verfahren zur Herstellung von Wellpappe-Bögen |
DE502004009593D1 (de) | 2004-10-26 | 2009-07-23 | Bhs Corr Masch & Anlagenbau | Verfahren zum Formatwechsel in einer Wellpappe-Anlage |
US7374072B2 (en) * | 2004-11-09 | 2008-05-20 | Bae Industries, Inc. | Slide adjustable assembly for monitoring widthwise travel of an uncoiling steel band through a feeder system associated with a progressive die |
US7422210B2 (en) * | 2005-03-04 | 2008-09-09 | Xerox Corporation | Sheet deskewing system with final correction from trail edge sensing |
DE102005026532A1 (de) | 2005-06-08 | 2006-12-14 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Wellpappeanlage |
DE102005044952A1 (de) * | 2005-09-20 | 2007-03-22 | Ehret, Bernhard, Dipl.-Ing. | Verfahren zum Separieren von in ihrer Laufrichtung kurzen Flachmaterialstreifen, wie insbesondere von Etikettenstreifen, aus einer Flachmaterialbahn und entsprechende Separier-Vorrichtung |
DE102008033776B4 (de) | 2008-07-18 | 2017-05-11 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Wellpappe-Anlage |
DE102008033775B4 (de) | 2008-07-18 | 2011-04-07 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Wellpappe-Anlage mit einer Schleusen-Einrichtung und Verfahren zum Ausschleusen von Stücken einer Wellpappe-Bahn |
ES2374006B1 (es) * | 2008-10-27 | 2012-12-21 | Instituto Tecnológico De Aragón | Herramienta onduladora de papel en discontinuo. |
JP5247525B2 (ja) * | 2009-02-19 | 2013-07-24 | キヤノン株式会社 | シート搬送装置及び画像形成装置 |
US9026242B2 (en) | 2011-05-19 | 2015-05-05 | Taktia Llc | Automatically guided tools |
US10556356B2 (en) * | 2012-04-26 | 2020-02-11 | Sharper Tools, Inc. | Systems and methods for performing a task on a material, or locating the position of a device relative to the surface of the material |
US20150345996A1 (en) * | 2014-05-29 | 2015-12-03 | Corning Incorporated | Apparatuses and methods for measuring an angle between a web of material and a conveyance direction |
DE102015206650A1 (de) | 2015-04-14 | 2016-10-20 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Anlage zur Herstellung einer Wellpappe-Bahn |
CN107530878B (zh) | 2015-05-13 | 2021-01-08 | 整形工具股份有限公司 | 用于被引导工具的系统、方法和设备 |
ITUB20153309A1 (it) * | 2015-08-31 | 2017-03-03 | Fosber Spa | Impianto e metodo per la produzione di cartone ondulato con rilevatore di difetti di incollaggio |
DE102015219630A1 (de) | 2015-09-24 | 2017-03-30 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Wellpappe-Anlage |
DE102016214794A1 (de) * | 2016-08-09 | 2018-02-15 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Schneid- und Rillanordnung |
US11537099B2 (en) | 2016-08-19 | 2022-12-27 | Sharper Tools, Inc. | Systems, methods and apparatus for sharing tool fabrication and design data |
DE102017216718A1 (de) | 2017-09-21 | 2019-03-21 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Wellpappeanlage |
JP7133967B2 (ja) * | 2018-04-20 | 2022-09-09 | 三菱重工機械システム株式会社 | 段ボールシートの切断システム及び方法並びに段ボールシートの製造装置 |
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2001
- 2001-06-30 DE DE10131833A patent/DE10131833A1/de not_active Withdrawn
-
2002
- 2002-06-10 EP EP02012776A patent/EP1270473A3/de not_active Withdrawn
- 2002-07-01 US US10/184,967 patent/US20030000988A1/en not_active Abandoned
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US3152941A (en) * | 1960-12-14 | 1964-10-13 | Corrugating Technicians Inc | Multi-ply web forming apparatus with edge aligning means |
US3753381A (en) * | 1971-12-10 | 1973-08-21 | Eickhoff Geb | Web edge control for strip processing lines |
US3929047A (en) * | 1972-10-13 | 1975-12-30 | Coulter Electronics | Longitudinal cutting and/or grooving machine for material webs in motion, particularly cardboard means |
US4475422A (en) * | 1982-02-26 | 1984-10-09 | Davy Mckee (Poole) Ltd. | Method of slitting or edge trimming strip material |
US5087313A (en) * | 1989-03-13 | 1992-02-11 | Arc Machinary Corporation | Paper web alignment system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103171918A (zh) * | 2013-03-01 | 2013-06-26 | 东莞科视自动化科技有限公司 | 一种复合式全自动天桥纠偏方法及设备 |
CN103171918B (zh) * | 2013-03-01 | 2015-10-28 | 东莞科视自动化科技有限公司 | 一种复合式全自动天桥纠偏方法及设备 |
WO2015184081A1 (en) * | 2014-05-29 | 2015-12-03 | Corning Incorporated | Apparatuses for steering flexible glass webs and methods for using the same |
CN106586665A (zh) * | 2016-12-02 | 2017-04-26 | 宝钢工程技术集团有限公司 | 检测钢卷折头位置的装置及方法 |
CN110549686A (zh) * | 2018-05-30 | 2019-12-10 | 青岛开拓数控设备有限公司 | 一种瓦楞纸板自动检测纠偏装置、纵切压线机及生产线 |
CN113023443A (zh) * | 2021-03-02 | 2021-06-25 | 福建钰辰微电子有限公司 | 一种柔性电路板生产用卷材纠偏机构 |
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DE10131833A1 (de) | 2003-01-16 |
US20030000988A1 (en) | 2003-01-02 |
EP1270473A3 (de) | 2005-09-14 |
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