EP4076876A1 - Procédé de coupe transversale d'une bande de matériau et dispositif associé - Google Patents

Procédé de coupe transversale d'une bande de matériau et dispositif associé

Info

Publication number
EP4076876A1
EP4076876A1 EP20804235.8A EP20804235A EP4076876A1 EP 4076876 A1 EP4076876 A1 EP 4076876A1 EP 20804235 A EP20804235 A EP 20804235A EP 4076876 A1 EP4076876 A1 EP 4076876A1
Authority
EP
European Patent Office
Prior art keywords
web
ideal
material web
rollers
forming
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Withdrawn
Application number
EP20804235.8A
Other languages
German (de)
English (en)
Inventor
Thomas Kefer
Armin KONJEVOD
Michael ORNIK
Peter VEIGL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andritz AG
Original Assignee
Andritz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Andritz AG filed Critical Andritz AG
Publication of EP4076876A1 publication Critical patent/EP4076876A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B26D1/405—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • 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
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or 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
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D2007/082—Guiding or pushing a web into a favorable position by deflector means
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/512—Changing form of handled material
    • B65H2301/5121—Bending, buckling, curling, bringing a curvature
    • B65H2301/51212—Bending, buckling, curling, bringing a curvature perpendicularly to the direction of displacement of handled material, e.g. forming a loop
    • 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
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
    • B65H2404/611—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel
    • B65H2404/6111—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel and shaped for curvilinear transport path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the invention relates to a method for cross-cutting a material web moving at a web speed, in particular a cellulose web or the like, wherein the material web first passes through a nip formed by two rollers and is then fed to a cross cutter, the cross cutter comprises cutting rollers with knives arranged on the circumference Cutting rollers form a peripheral speed and the material web is cut at an engagement point of the cross cutter by the knives arranged on the circumference of the cutting rollers in the cross machine direction, and an ideal path between the roller gap and the cross cutter is defined by an essentially direct connection between the roller gap and the engagement point of the cross cutter .
  • the invention also relates to a device according to the preamble of claim 6.
  • US 1956952 A discloses a system for cutting metal strips, a uniform length of the metal strips being achievable even with a variable delivery speed of the material.
  • the material web is fed through pinch rolls in front of a cross cutter in order to achieve greater feed accuracy.
  • AT 520462 A1 describes how continuously produced cellulose is cut into sheets in order to be subsequently packaged and shipped.
  • double-shaft cross cutters are used in which cutting rollers arranged rotating on both sides of the moving material web interact to cut the material web transversely to the direction of movement.
  • the cutting edges arranged on the cutting rollers have a circumferential speed which corresponds to the speed of the material web along the direction of movement in order to ensure a favorable cutting geometry.
  • the length of the sheets cut in normal operation thus results from the distance between the blades arranged on the cutting roller.
  • Speed of the material web can be reduced, for example, longer sheets are produced than in normal operation.
  • the cross cutter has a lower peripheral speed than the speed of the material web, immediately after the cut of the material web in the cross cutter, the subsequently conveyed material web presses on the cutting edges.
  • the material web fed in during this period leads to uncontrolled bulging of the material web upstream of the cross cutter, so that the material web is deflected from an ideal web.
  • the ideal path essentially corresponds to a direct connection between the nip formed by two rollers upstream and the point of engagement of the cross cutter.
  • an excessively deflected material web can lead to errors in the further process or to a jam or blockage in the system, and thus to an increased risk of failure of the system.
  • the object of the invention is a method with which a material web can be cut independently of the web speed and the peripheral speed of the cutting rollers with high efficiency and system safety, i.e. both when the two speeds coincide and when the peripheral speed of the cutting rollers is lower than the web speed.
  • a device for carrying out the method according to the invention is also to be specified.
  • a method characterized in that if the circumferential speed of the cutting rollers deviates from the web speed of the moving material web, the circumferential speed of the cutting rollers being lower than the web speed of the moving material web, the material web between the nip and the cross cutter from the ideal web is deflected and follows a real track, the formation of the real track being promoted by track training means.
  • web forming means are provided which promote the formation of a real web and thus promote a deflection of the material web from the ideal web between the nip and the cross cutter, especially if the peripheral speed of the cutting rolls is lower than the web speed of the moving material web.
  • the method according to the invention is also characterized in that the formation of the real web is promoted by web formation means, comprising an arrangement of the rolls forming the nip to one another and / or first web guiding means between the nip and the cross cutter.
  • web formation means comprising an arrangement of the rolls forming the nip to one another and / or first web guiding means between the nip and the cross cutter.
  • a corresponding arrangement of the rollers forming the roller gap to one another allows the formation of the real web of the material web in the area of the roller gap to be promoted to one side, i.e. above the ideal web, for example.
  • the arrangement of the rollers forming the roller gap to one another represents the earliest possible intervention on the real web and thus the earliest possible deflection of the material web from the ideal web.
  • the special arrangement of the rollers forming the roller gap to promote the formation of the real path is that the normal to the line connecting the center points of the rollers forming the roller gap with the ideal path includes an angle, the amount of the angle being greater than zero. Even small angles allow a targeted deflection of the material web from the ideal web.
  • a web forming means is to be provided that comprises a first web guiding means between the nip and the cross cutter.
  • This first web guiding means is used to promote the deflection of the material web from the ideal web while forming a real web. Since immediately after the cut of the material web in the cross cutter the re-conveyed material web presses on the cutting edges, the material web re-conveyed in this period of time strives for a bulge.
  • a first web guide means arranged, for example, between the nip and the cross cutter under and along the ideal web serves one purpose bulging material web as a sliding plane and thus ensures that a deflection of the material web can only be targeted and the real web can only be formed, for example, above the ideal web.
  • Such a web guiding means advantageously has a contour corresponding to the ideal web and thus essentially establishes a connection between the nip and the cross cutter, the web guiding means guiding, for example, the material web on the upper side of the web guiding means.
  • Such web guiding means typically include adjustable guide devices such as metal sheets, etc.
  • a normal to the line connecting the center points of the rollers forming the roller gap with the ideal path includes an angle, the amount of the angle being greater than zero, and the material web running out of the roller gap as a result of the arrangement of the the roller gap forming rollers is deflected from the ideal path to the normal with the formation of the real path.
  • This arrangement of the rollers forming the roller gap to one another represents the earliest possible engagement on the real web and thus the earliest possible deflection of the material web from the ideal web Roll is to move substantially in the machine direction and also normal to the machine direction in order to form a connecting line of the centers of the rollers forming the nip, the normal of which includes an angle with the ideal path.
  • This arrangement of the rollers forming the roller gap with respect to one another ensures that the material web running out of the roller gap is deflected from the ideal path towards the normal with the formation of the real path.
  • the formation of the real web of the material web in the area of the nip can therefore be promoted towards, for example, the upper side of the ideal web.
  • the angle can be set by means of a corresponding adjustment possibility of the roller forming the roller gap with respect to one another.
  • Another advantageous embodiment of the invention is characterized in that the formation of the real path is limited by a second path guide means, the material web running on the real path between the second path guide means and the ideal path.
  • This second web guiding means is preferably to be implemented on that side of the ideal web to which the material web running out of the nip is deflected as a result of the arrangement of the rolls forming the nip, forming the real web.
  • the second web guiding means is designed such that the material web running along the real web runs between the second web guiding means and the ideal web.
  • Such second web guiding means typically include adjustable guide devices, such as metal sheets, active or passive foils, etc.
  • the second web guide means can advantageously also be designed to be adjustable.
  • Another advantageous embodiment of the method according to the invention is characterized in that the material web is deflected from the ideal web by the first web guiding means. In this way, the formation of a real path is promoted, in particular in the area of the roller gap, towards one side of the ideal path, for example above the ideal path.
  • such a first path guiding means can have a curved contour at least in some areas, the contour being concave when viewed from below in the area of the roller gap, and the first Web guiding means furthermore essentially establishes a connection between the nip and the cross cutter and the material web is guided, for example, on the upper side of the web guiding means.
  • Such first path guiding means typically comprise adjustable guide devices, such as, for example, metal sheets, active or passive foils, etc., the first path guiding means having a contour corresponding to the real path to be formed.
  • the invention also relates to a device with which a material web can be cut at different speeds of the material web and the cutting roller with high efficiency and system safety.
  • the web forming means allow the material web to be deflected from the ideal web.
  • by promoting the formation of the real web of the material web in the area of the nip towards one side of the ideal web, e.g. above the ideal web a positive effect on the stability and efficiency of the machine is achieved.
  • the device is characterized in that the web forming means comprise an arrangement of the rolls forming the nip with respect to one another and / or first web guiding means between the nip and the cross cutter.
  • the arrangement according to the invention of the rollers forming the roller gap to one another allows the formation of the real web of the material web in the area of the roller gap to be promoted to one side, e.g. above the ideal web, an advantageous arrangement being that the normal to the line connecting the centers of the roller gap forming rollers encloses an angle with the ideal path, the magnitude of the angle being greater than zero. Even small angles allow a targeted deflection of the material web from the ideal web.
  • the web forming means comprises a first web guiding means between the nip and the cross cutter, which serves as a sliding plane for a bulging material web and ensures that the material web can only be deflected in a targeted manner and the real web can only be formed above the ideal web, for example.
  • a web guiding means advantageously has a contour corresponding to the ideal web and thus essentially establishes a connection between the nip and the cross cutter, the web guiding means guiding, for example, the material web on the upper side of the web guiding means.
  • Such web guiding means typically include adjustable guide devices such as metal sheets, etc.
  • the rollers forming the roller gap are arranged at an angle to the ideal path, the angle being determined as the angle between a normal to the connecting line of the center points of the rollers forming the roller gap and the ideal path, and where the The amount of the angle is greater than zero.
  • the deflection of the material web can be achieved by moving at least one of the rollers forming the roller gap, the individual roller being moved essentially in the machine direction and also normal to the machine direction, the normal to the line connecting the center points of the rollers forming the roller gap with the ideal path at an angle includes. Even small angles allow a targeted deflection of the material web from the ideal web.
  • the angle can be set by means of a corresponding adjustment possibility of the roller forming the roller gap with respect to one another.
  • An embodiment of the device is also advantageously characterized in that the formation of the real web of the fibrous web is limited by a second web guiding means, the material web being guided between the second web guiding means and the ideal web.
  • second web guiding means typically include adjustable guide devices, such as metal sheets, active or passive foils, etc.
  • the second web guiding means is also designed to be adjustable.
  • a particularly favorable embodiment of the device is characterized in that the material web can be deflected from the ideal web by the first web guide means.
  • a first web guiding means can have a curved contour at least in some areas, the first web guiding means furthermore essentially establishing a connection between the nip and the cross cutter.
  • Such first path guiding means typically comprise adjustable guide devices, such as, for example, metal sheets, active or passive foils, etc., the first path guiding means having a contour corresponding to the real path to be formed.
  • Fig. 1 shows a device for cross cutting according to the prior art.
  • 2 shows a first device according to the invention for cross cutting.
  • FIG. 3 shows a second device according to the invention for cross cutting.
  • FIG. 1 shows a device for cross-cutting according to the prior art, a material web 1 being guided through a nip 4 formed by two rollers 2, 3 in front of a cross-cutter 5.
  • the cutting rollers 6 of the cross cutter are designed with knives 13 on the circumference.
  • 1 also shows the ideal path 7, the ideal path 7 between the nip 4 and cross cutter 5 being defined as an essentially direct connection between the nip 4 formed upstream by the two rollers 2, 3 and the point of engagement of the cross cutter 5 to understand the area of the cutting roller 6 in which the material web 1 is cut, ie the area in which the knives 13 of the cutting rollers 6 are in engagement with the material web 1.
  • FIG. 1 also shows a snapshot of the formation of the real web 8, devices according to the prior art having uncontrolled bulging or arched deflections of the material web between the nip and the cross cutter, which occur once above or below the ideal line and in particular via the Changing time viewed unpredictably.
  • Fig. 2 a first device according to the invention for cross cutting is shown, the peripheral speed of the cutting rollers 6 is lower than the speed of the moving material web 1.
  • the material web 1 is formed by a cross cutter 5 upstream of two rollers 2, 3 forming a real web 8 formed nip 4 out.
  • the two cutting rollers 6 of the cross cutter 5 are designed with knives 13 on the circumference.
  • the ideal web 7 is also shown, as well as web forming means 9, comprising the rollers 2, 3 forming the roller gap 4, the rollers 2, 3 being arranged to one another in such a way that the normal 11 to the connecting line of the centers of the rollers 2 forming the roller gap 4 , 3 forms an angle a with the ideal path 7, the magnitude of the angle a being greater than zero.
  • web forming means 9 comprising the rollers 2, 3 forming the roller gap 4, the rollers 2, 3 being arranged to one another in such a way that the normal 11 to the connecting line of the centers of the rollers 2 forming the roller gap 4 , 3 forms an angle a with the ideal path 7, the magnitude of the angle a being greater than zero.
  • the second web guide means 12 is also shown, which limits the formation of the real web 8 of the material web 1, the material web 1 is guided between the second web guide means 12 and the ideal web 7.
  • Such second web guiding means 12 typically include adjustable guide devices, such as metal sheets, active or passive foils, etc.
  • a second device according to the invention for cross cutting wherein the peripheral speed of the cutting rollers is lower than the speed of the moving material web.
  • a material web 1, forming a real web 8 is guided through a nip 4 formed by two rollers 2, 3 upstream of a cross cutter 5.
  • the two cutting rollers 6 of the cross cutter are designed with knives 13 on the circumference.
  • the ideal web 7 is also shown, as is a web forming means 9, comprising a first web guiding means 10.
  • the formation of a real web 8 is promoted, in particular in the area of the nip 4, towards one side of the ideal web 7, e.g. above the ideal web 7.
  • first web guiding means 10 include adjustable guide devices, such as metal sheets, active or passive foils, etc., the first web guiding means 10 having a contour corresponding to the real web to be formed.
  • the second web guiding means 12 is also shown, which limits the formation of the real web 8 of the material web 1, the material web 1 being guided between the second web guiding means 12 and the first web guiding means 10.
  • Such second web guiding means 12 typically comprise adjustable guide devices such as metal sheets, active or passive foils, etc.
  • a cross cutter can be implemented which allows effective and safe operation regardless of the web speed and the peripheral speed of the cutting roller, ie both when the two speeds match and, in particular, when the peripheral speed of the cutting rollers is less than is the orbit speed.
  • a material web deflected from an ideal path and running on an unpredictable real path is stabilized in that the formation of the real path is specifically promoted.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Advancing Webs (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un procédé de coupe transversale d'une bande de matériau (1), la bande de matériau (1) s'étendant à travers un espace entre rouleaux (4) et étant acheminée vers un dispositif de coupe transversale (5). L'invention est caractérisée en ce que la vitesse circonférentielle des rouleaux de coupe (6) du dispositif de coupe transversale (5) est inférieure à la vitesse de bande de la bande de matériau (1), la formation de la bande elle-même (8) étant favorisée par des moyens de formation de bande (9).
EP20804235.8A 2019-12-19 2020-11-09 Procédé de coupe transversale d'une bande de matériau et dispositif associé Withdrawn EP4076876A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA51137/2019A AT523328A1 (de) 2019-12-19 2019-12-19 Verfahren zum querschneiden einer materialbahn sowie vorrichtung hierzu
PCT/EP2020/081475 WO2021121774A1 (fr) 2019-12-19 2020-11-09 Procédé de coupe transversale d'une bande de matériau et dispositif associé

Publications (1)

Publication Number Publication Date
EP4076876A1 true EP4076876A1 (fr) 2022-10-26

Family

ID=73288607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20804235.8A Withdrawn EP4076876A1 (fr) 2019-12-19 2020-11-09 Procédé de coupe transversale d'une bande de matériau et dispositif associé

Country Status (4)

Country Link
EP (1) EP4076876A1 (fr)
AT (1) AT523328A1 (fr)
UY (1) UY38993A (fr)
WO (1) WO2021121774A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1956952A (en) * 1932-08-16 1934-05-01 Mesta Machine Co Method and apparatus for shearing
DE2749174A1 (de) * 1977-11-03 1979-05-10 Hauni Werke Koerber & Co Kg Anordnung zum steuern der rotierenden schneidwalze einer querschneidvorrichtung
DE2903596A1 (de) * 1979-01-31 1980-08-07 Heidelberger Druckmasch Ag Vorrichtung zum foerdern von bogen an druckmaschinen
JP2001347713A (ja) * 2000-06-06 2001-12-18 Konica Corp インクジェット記録装置
JP5769466B2 (ja) * 2011-03-28 2015-08-26 セイコーインスツル株式会社 粘着ラベル発行装置及びプリンタ
AT520462A1 (de) 2017-09-15 2019-04-15 Andritz Ag Maschf Verfahren zum Querschneiden einer entlang einer Bewegungsrichtung bewegten Materialbahn sowie Vorrichtung hierzu

Also Published As

Publication number Publication date
UY38993A (es) 2021-04-30
AT523328A1 (de) 2021-07-15
WO2021121774A1 (fr) 2021-06-24

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