EP2327521A1 - Method for adjusting tools - Google Patents
Method for adjusting tools Download PDFInfo
- Publication number
- EP2327521A1 EP2327521A1 EP10188981A EP10188981A EP2327521A1 EP 2327521 A1 EP2327521 A1 EP 2327521A1 EP 10188981 A EP10188981 A EP 10188981A EP 10188981 A EP10188981 A EP 10188981A EP 2327521 A1 EP2327521 A1 EP 2327521A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- punching
- pressure distribution
- tool
- trimming
- embossing
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/42—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between work feed and clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4409—Cutters therefor; Dies therefor having die balancing or compensating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies
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- 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or dies
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- 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or dies
Definitions
- the invention relates to a method for trimming tools of a flatbed sheet punching and / or embossing machine having the features of claim 1 and to a method for surface correction of crucibles of flatbed sheet punching and / or embossing machines according to claim 11.
- punching As punching the cutting is referred to with closed geometric blank forms that can be circular, oval or polygonal and imaginary shapes of all kinds. Also the practices practiced in print finishing, such as punching with punch, corner punching and register punching are counted to this area.
- the punching takes place against a punching pad or against stamp, in some cases it is also shearing operations.
- Packaging materials made of paper, cardboard, cardboard or corrugated board are mainly punched in sheet format. Even materials such as film (in-mold), various thin plastics or aluminum foil can be processed accordingly. When punching but also creasing lines or blind embossing can be introduced into the benefit. This complex process makes it indispensable to punch the sheets individually.
- Such a flat bed punch is for example from the DE 30 44 083 A1 known.
- the two tables are equipped with cutting and scoring tools or corresponding counter tools with which punched out of the cyclically guided between the table surface sheets the benefits and at the same time pressed the necessary for clean folding grooves. In the subsequent breakout the waste is removed by machine tools. Depending on the equipment of the machine finally the punched benefits can be separated in a designatedboctrenn issued.
- the punching pressure in the sheet punching and embossing machine must be adjustable according to the sheet being processed.
- punching force adjusting devices can only be adjusted globally, i. based on the entire surface of the crucible. Due to the design, however, an uneven punching force distribution over the surface of the crucible is present in all stamping and embossing machines according to the prior art.
- the punching force is introduced via individual force introduction points and thus does not affect the entire crucible surface.
- there is a deformation of upper and lower table which in turn results in an uneven punching pressure distribution over the surface of the crucible.
- height differences of the punching or Rillmesser, as well as the wear of the knife cause an uneven punching pressure distribution.
- the uneven punching pressure in turn causes an unclean cutting of the cutting blade of the punching tool.
- the DE 35 31 114 A1 describes a method and a device for pressurizing a press for producing embossing tools.
- the press is operated separately and independently of a sheet punching and / or embossing machine.
- the press has a large number of hydraulic pistons which carry a pressure plate.
- the pressure plate serves to emboss the tools.
- the pistons can be electrically controlled via a control panel, whereby the pressure build-up on the pressure plate can be varied precisely and specifically.
- the DE 39 07 826 B2 describes an apparatus for producing stamping tooling, namely an impression machine.
- an impression machine In order to be able to relocate the punching tool preparation into the impression machine, in a first step the topography of the pots of the punching machine is detected. The topography of the crucible is then simulated in the impression machine below. This will allows the punching tools can be dressed in the impression machine and the punching machine can continue to operate during this trimming. The effort for trimming the punching tools is not reduced thereby.
- Such a sensor is for example in the DE 690 11 672 T2 described.
- Such piezorestrictive pressure sensors have lattice-shaped electrode networks arranged parallel to one another. Between the electrode nets is a layer of pressure-sensitive resistor material, for example of silicon, which reacts to pressure similar to a strain gauge. The pressure on the sensor causes a change in length of the resistance material and thus a change in its resistance. By applying a voltage to the electrode networks, the resistance value of the resistance material can be determined over its area.
- the object of the present invention is to describe a method for trimming tools of a flatbed sheet punching and / or embossing machine, which reduces the set-up time and thus increases the productivity of the machine. Another object is to describe a method which further reduces set-up time.
- the inventive method is used for trimming tools, in particular punching and embossing tools, a Flachbettbogenstanz- and / or - embossing machine.
- a Flachbettbogenstanz- and / or - embossing machine has at least one punching and / or embossing station with an upper and a lower crucible.
- it is a flatbed sheet punching machine with a punching and hot foil stamping station.
- a measurement of the pressure distribution in the at least one punching and / or stamping station by means of a sheet-like, in particular film-shaped pressure distribution sensor.
- a neediness distribution is calculated based on the previously determined pressure distribution.
- the need for dressing usually indicates the need for dressing in ⁇ m, which is necessary for a uniform theoretical pressure distribution and thus a clean punching and embossing.
- the trimming of the tool is carried out according to the previously calculated demand for despatching.
- the trimming of the tools is advantageously accelerated considerably, since the trimmings need distribution is determined in one step and does not have to be determined iteratively by repeated punching or embossing and evaluation of the stamping or embossing result, as usual.
- the area-shaped pressure distribution sensor is removed again after measuring the pressure distribution from the punching and / or embossing station. This ensures that the pressure distribution sensor is only loaded during the measurement, but not during the regular operation of the flatbed sheet punching and / or embossing machine.
- the visualization of the neediness distribution can be done in particular by applying a color coding, ie a certain need for dressing a certain color is assigned.
- a color coding ie a certain need for dressing a certain color is assigned.
- the color yellow can be assigned to a dressing requirement of 50 ⁇ m, the color red to a dressing requirement of 10 ⁇ m, etc.
- the visualization can be carried out in various ways.
- the visualization can be achieved by output on a screen or a display done. If the punching knives and creasing knives are also displayed on the screen or display, the machine operator can quickly see where they need to be trimmed.
- the visualization takes place outside the sheet punching and / or embossing machine in a trimming device, where the surface of the tool is illuminated with light in different colors in accordance with the color coding.
- the visualization is done by output in printed form on an arc as a print image.
- the printed image has the same dimensions as the tool and the sheet can serve as a dressing sheet, on which thin strips of adhesive are applied in accordance with the need for dressing.
- the trimming can be done by pasting the punching and / or knives of the tool with adhesive strips, so-called dressing tapes.
- the trimming is possible as surface finishing by depositing the tool with thin sheets of paper, such as tissue paper, plastic or the like.
- the trimming by introducing a according to the need for trimming with a height profile provided plate between the tool and crucible is another possibility.
- the plate may be, for example, a plastically deformed plastic plate, as for example in the DE 39 28 916 C1 is described.
- Such a plate could also be produced by means of a so-called “layer-laminate-manufacturing” method, or by a different layered structure of the plate or by stratified removal of the plate (eg by erosion or etching, as is known from the production of punching plates for rotary die-cutting). ,
- the measurement of the pressure distribution, the calculation of a demand for desming and the storage of the need for dressing are carried out once so that the machine-specific topography of the upper and lower crucible is taken into account.
- the tool used is then - based on the crucible-specific need for additional needs - then a dressing of the tool.
- the measurement of the pressure distribution to increase the machining accuracy is performed even after changes to a tool and / or after replacement of a tool.
- the measurement of the pressure distribution is carried out at specified time intervals, so that changes in the pressure distribution can be determined a corrected demand distribution and the tool can be further trimmed.
- the pressure distribution sensor is a piezoresistive pressure sensor, in particular a piezoceramic pressure sensor.
- Such pressure sensors combine the advantages of high resolution with high power capability.
- the invention further relates to a method for surface correction of crucibles of a flat bed sheet punching and / or embossing machine, which has at least one punching and / or stamping station, each having an upper and a lower crucible.
- a first method step the pressure distribution in the at least one punching and / or stamping station is measured with a flat, in particular foil-shaped, pressure distribution sensor extending over the surface of the crucible. It is particularly advantageous to carry out the measurement at working pressure. After the measurement, the pressure distribution sensor is removed again and a correction requirement distribution based on the measured values is calculated.
- a surface treatment is carried out on at least one of the two crucibles, whereby a uniform theoretical pressure distribution over the entire surface of the crucible is to be achieved.
- a special plate with high parallelism can be installed during the measurement in the punching and / or embossing station.
- Particularly advantageous is the use of a grid, which depicts individual points as a grid. Due to this unique surface correction of the crucible is achieved in an advantageous manner that the dressing needs in all in the punching and / or- Embossing tools used the dressing needs is reduced and thus significantly reduces the time required for trimming the tools.
- the topography of the crucible of the punching and / or embossing station is determined and the need for trimming of the punching and / or embossing station is stored.
- the dressing can take place outside the sheet punching and / or embossing machine in a trimming device, for example a stamping station of a further sheet punching and / or embossing machine.
- the topography of the trimming device is likewise determined and stored by measuring the pressure distribution by means of a sheet-like, in particular film-shaped pressure distribution sensor.
- the tool is used in the trimming and again the pressure distribution determined and stored.
- the trimmings need distribution is calculated by additionally taking into account the topography of the punching and / or embossing station and the topography of the tool and excluding the topography of the trimming device. Finally, the dressing of the tool can be done.
- FIG. 1a the basic structure of a sheet punching and embossing machine 100 for punching, breaking and depositing sheets of paper, cardboard and the like is shown.
- the punching and embossing machine 100 has a feeder 1, a punching station 2, a breaking station 3 and a boom 4, which are supported and enclosed by a common machine housing 5.
- the sheets 6 are separated by a feeder 1 from a stack, fed to the sheet transport system 7 and gripped by gripper bars of a gripper carriage 8 grippers at its front edge and intermittently in the sheet transport direction B through the various stations 2, 3 and 4 of the punching and embossing machine 100th pulled.
- the sheet transport system has 7 more gripper carriage 8, so that multiple sheets 6 can be processed simultaneously in the various stations 2, 3 and 4.
- the gripper carriage 8 can be driven by an electromagnetic linear drive with alternating field motors in an alternative embodiment.
- the punching station 2 consists of a lower crucible, a so-called. Subtable 9, and an upper crucible, a so-called. Obertisch 10.
- the upper table 10 is mounted vertically moved back and forth and provided with punching and Rillmessern.
- the lower table 9 is fixedly mounted in the machine frame and provided with a counter plate to the punching and Rillmessern.
- a pressure distribution sensor 30 is provided in order to measure the pressure distribution in the punching station.
- the excerpt Ib will be in Fig. 1b shown in more detail and is described below.
- the gripper carriage 8 transports the sheet 6 from the punching and embossing station 2 in the subsequent breaking station 3, which is equipped with breakout tools.
- the stripping station 3 are not required with the help of the stripping tools Rubbish pieces pushed out of the sheet 6 downwards, whereby the waste pieces 11 fall into an inserted under the station carriage-like container 12.
- the boom 4 may also include a pallet 13, on which the individual sheets 6 are stacked in the form of a stack 14, so that after reaching a certain stack height, the pallets 14 are moved away with the stacked sheets 6 from the field of punching and embossing machine 100 can.
- FIG. 1b the punching station 2 is shown in more detail.
- a paper sheet 6 is moved in the sheet transport direction B through the punching station 2.
- the punching station 2 has a punching tool 20, which consists of a protective plate 21 with a wooden support plate 22 mounted thereon, which receives the punching knife 23.
- the punching tool 20 can be held by a frame, not shown, a so-called.
- a counter-punching plate 24 is connected. This can be constructed of a punched metal sheet (about 1mm) and a punching plate (about 5mm).
- a dressing sheet 25 is in Fig. 1b not shown because Fig. 1b a snapshot during the measurement of the pressure distribution and before creation of the dressing sheet 25 represents.
- a pressure distribution sensor 30 which can be removed again after performing measurement.
- the pressure distribution sensor 30 may alternatively also be located between the protective plate 21 and the carrier plate 22 (not shown).
- the pressure distribution sensor 30 is connected to an evaluation and storage unit 15. If the upper crucible 10 is delivered towards the lower crucible 9 in the direction Z, the pressure distribution over the surface of the punching tool 20 can be measured by the pressure distribution sensor 30 during the punching process become. Based on the pressure distribution measured in this way, it is possible by the evaluation unit 15 to calculate a dressing requirement distribution.
- FIG. 2a An exemplary demand for despatching is in Fig. 2a specified. This was output on a sheet as a print image 60. Because of the different hatchings, alternatively, different colors can be used, it can be seen that there are areas 40 in which there is no need for trimming, that there are areas 41 in which there is little need for trimming, and that there are areas 42 in which large There is a need for refurbishment.
- a dressing sheet 25 for example by sticking adhesive strips of different thickness, be dressed.
- the dressing sheet 25 and the sheet can be used with the print image 60 as a carrier, which further simplifies the trimming.
- a direct gluing with dressing tapes takes place.
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zum Zurichten von Werkzeugen (20) einer Flachbettbogenstanz- und / oder -prägemaschine (100) mit mindestens einer je einen oberen (10) und einen unteren (9) Tiegel aufweisenden Stanz- und / oder Prägestation (2) mit nachfolgenden Schritten: - Messen der Druckverteilung in der mindestens einen Stanz- und / oder Prägestation (2) mit einem sich über die Fläche des Werkzeugs (20) erstreckenden flächenförmigen Druckverteilungssensor (30) - Berechnung einer Zurichtebedarfsverteilung (40, 41, 42), basierend auf der ermittelten Druckverteilung - Zurichten des Werkzeugs (20), entsprechend der berechneten Zurichtebedarfsverteilung. Durch das erfindungsgemäße Verfahren wird das Zurichten von Werkzeugen wesentlich vereinfacht.The invention relates to a method for dressing tools (20) of a flat bed sheet punching and / or embossing machine (100) with at least one punching and / or stamping station (2) each having an upper (10) and a lower (9) crucible following steps: - Measuring the pressure distribution in the at least one punching and / or embossing station (2) with a flat pressure distribution sensor (30) extending over the surface of the tool (20) - Calculation of a preparation requirement distribution (40, 41, 42) based on the determined pressure distribution - Prepare the tool (20) according to the calculated one Zurichtebedarfsverteilung. The method according to the invention simplifies the preparation of tools considerably.
Description
Die Erfindung betrifft ein Verfahren zum Zurichten von Werkzeugen einer Flachbettbogenstanz- und/oder -prägemaschine mit den Merkmalen von Anspruch 1 und ein Verfahren zur Oberflächenkorrektur von Tiegeln von Flachbettbogenstanz- und/oder - Prägemaschinen gemäß Anspruch 11.The invention relates to a method for trimming tools of a flatbed sheet punching and / or embossing machine having the features of claim 1 and to a method for surface correction of crucibles of flatbed sheet punching and / or embossing machines according to
Als Stanzen wird das Schneiden mit in sich geschlossenen geometrischen Zuschnittsformen bezeichnet, die kreisförmig, oval oder mehreckig sowie Phantasieformen aller Art sein können. Auch die in der Druckweiterverarbeitung geübten Praktiken, wie Stanzen mit Locheisen, Eckenabstoßen und Registerstanzen werden zu diesem Bereich gezählt. Die Stanzung erfolgt gegen eine Stanzunterlage oder gegen Stempel, teilweise sind es auch Schervorgänge. Verpackungsmaterialien aus Papier, Karton, Pappe oder Wellpappe werden hauptsächlich im Bogenformat gestanzt. Auch Materialien wie Folie (In-mould), diverse dünne Kunststoffe oder Aluminiumfolie können entsprechend bearbeitet werden. Beim Stanzvorgang können zusätzlich aber auch Rilllinien oder Blindprägungen in den Nutzen eingebracht werden. Dieser komplexe Prozess macht es unabdingbar, die Bogen einzeln zu stanzen. Da es sich bei den Endprodukten um anspruchsvolle Verpackungen hinsichtlich technischer und graphischer Ausführung handelt (etwa Verpackungen für Kosmetik, Zigaretten, Pharmazie, Lebensmittel, etc.), werden besondere Anforderungen nicht nur an die Verpackungsmaterialien selbst gestellt, sondern es sind für optimale Resultate auch Stanzwerkzeuge mit geringsten Toleranzen und äußerst präzise und zuverlässig arbeitende Stanzmaschinen erforderlich. Diesen Ansprüchen wird das Flachbettstanzen am besten gerecht. Dabei werden die gedruckten und auf einer Palette gestapelten Bogen der Stanzmaschine zugeführt. In der Maschine werden in einer Ausrichteinrichtung die zu stanzenden Bogen passgenau ausgerichtet, von einem Greiferwagen übernommen und exakt in der Stanzeinrichtung zwischen einem fest gelagerten Untertisch und einem über einen Kniehebel oder Exzentergetriebe vertikal bewegbaren Obertisch positioniert. Alternativ sind Maschinen bekannt, bei denen der Obertisch feststeht und für den Stanzvorgang der Untertisch gegen den Obertisch bewegt wird.As punching the cutting is referred to with closed geometric blank forms that can be circular, oval or polygonal and imaginary shapes of all kinds. Also the practices practiced in print finishing, such as punching with punch, corner punching and register punching are counted to this area. The punching takes place against a punching pad or against stamp, in some cases it is also shearing operations. Packaging materials made of paper, cardboard, cardboard or corrugated board are mainly punched in sheet format. Even materials such as film (in-mold), various thin plastics or aluminum foil can be processed accordingly. When punching but also creasing lines or blind embossing can be introduced into the benefit. This complex process makes it indispensable to punch the sheets individually. Since the end products are sophisticated packaging in terms of technical and graphic design (such as packaging for cosmetics, cigarettes, pharmacy, food, etc.), special requirements are not only placed on the packaging materials themselves, but are also punching tools for optimum results required with the smallest tolerances and extremely precise and reliable punching machines. Flatbed punching best meets these demands. The printed sheets stacked on a pallet are fed to the punching machine. In the machine, the sheets to be punched are precisely aligned in an alignment device, taken over by a gripper carriage and exactly in the punching device between a fixed positioned under table and positioned over a toggle or eccentric vertically movable upper table. Alternatively, machines are known in which the upper table is fixed and is moved for the punching operation of the lower table against the upper table.
In bekannten Bogenstanz- und Prägemaschinen, die zum Stanzen, Ausbrechen, Prägen und Ablegen von Bögen aus Papier, Pappe und der gleichen eingesetzt werden, ist es bekannt die Bögen mittels Greiferwagen durch die einzelnen Stationen der Maschine zu bewegen. Ein jeweiliger Greiferwagen besitzt eine Greiferbrücke, an der Greifer befestigt sind, die die Bögen an einem vorderen Ende ergreifen. Ein Greiferwagen besitzt weiterhin seitliche Fahrwagen, welche mit endlosen Ketten des Transportsystems verbunden sind und wodurch die Greiferwagen durch die Maschine bewegt werden. Durch diese Art der Bewegung der Bögen durch die Maschine wird ein kontinuierliches Arbeiten in den einzelnen hintereinander angeordneten Stationen der Maschine, insbesondere Stanz-, Ausbrech- und Nutzentrennstation, ermöglicht.In known sheet punching and embossing machines, which are used for punching, breaking, stamping and depositing sheets of paper, cardboard and the like, it is known to move the sheets by means of gripper carriage through the individual stations of the machine. A respective gripper carriage has a gripper bridge, to which grippers are fixed, which grasp the arches at a front end. A gripper carriage further has lateral carriages, which are connected to endless chains of the transport system and whereby the gripper carriage to be moved by the machine. By this type of movement of the sheets through the machine, a continuous work in the individual successively arranged stations of the machine, in particular punching, break-away and Nutzentrennstation allows.
Eine derartige Flachbettstanze ist beispielsweise aus der
Wie in der
Den verschiedenen Vorrichtungen zum Einstellen der Stanzkraft nach dem Stand der Technik ist gemein, dass die Stanzkraft nur global eingestellt werden kann, d.h. auf die gesamte Fläche des Tiegels bezogen. Konstruktionsbedingt liegt jedoch bei allen Stanz-und Prägemaschinen nach dem Stand der Technik eine ungleiche Stanzkraftverteilung über die Fläche des Tiegels vor. Die Stanzkraft wird über einzelne Krafteinleitungspunkte eingeleitet und liegt somit nicht an der gesamten Tiegelfläche an. In Abhängigkeit von der Steifigkeit der Tiegel ergibt sich eine Verformung von Ober- und Untertisch, woraus wiederum eine ungleiche Stanzdruckverteilung über die Fläche des Tiegels resultiert. Auch Höhenunterschiede der Stanz- bzw. Rillmesser, als auch der Verschleiß der Messer bewirken eine ungleiche Stanzdruckverteilung. Der ungleiche Stanzdruck wiederum bewirkt ein unsauberes Schneiden der Schneidmesser des Stanzwerkzeugs.Common to the various prior art punching force adjusting devices is that the punching force can only be adjusted globally, i. based on the entire surface of the crucible. Due to the design, however, an uneven punching force distribution over the surface of the crucible is present in all stamping and embossing machines according to the prior art. The punching force is introduced via individual force introduction points and thus does not affect the entire crucible surface. Depending on the rigidity of the crucible, there is a deformation of upper and lower table, which in turn results in an uneven punching pressure distribution over the surface of the crucible. Also height differences of the punching or Rillmesser, as well as the wear of the knife cause an uneven punching pressure distribution. The uneven punching pressure in turn causes an unclean cutting of the cutting blade of the punching tool.
Nach dem Stand der Technik wird dieses Problem gelöst, indem die Stanzmesser einzeln unterlegt werden. Je nach Abweichung von der Sollstanzkraft werden die Stanzmesser auf der Rückseite des Werkzeugs mit verschieden dicken Papier- oder Kunststoffstreifen hinterklebt. Dieses so genannte Zurichten ist sehr zeitintensiv und muss bei Maschinenstillstand geschehen. In Abhängigkeit von der Anzahl der Stanzmesser und der zu stanzenden Form kann das Zurichten mehrere Stunden dauern. Die hohe Rüstzeit hat eine geringe Maschinenproduktivität zur Folge.In the prior art, this problem is solved by the punching blades are individually highlighted. Depending on the deviation from the nominal punching force, the punching knives on the back of the tool are glued behind with paper or plastic strips of various thicknesses. This so-called trimming is very time-consuming and must be done at machine standstill. Depending on the number of punching blades and the shape to be punched, trimming can take several hours. The high set-up time results in low machine productivity.
Die
Die
Allgemein bekannt sind auch dünne, flexible Kraft- und Druckverteilungstastsensoren, mit denen die Kraft- und Druckverteilung zwischen zwei Gegenständen mit hoher Auflösung erfasst werden können. Ein solcher Sensor ist beispielsweise in der
Aufgabe der vorliegenden Erfindung ist es, ein Verfahren zum Zurichten von Werkzeugen einer Flachbettbogenstanz- und/oder -Prägemaschine zu beschreiben, welches die Rüstzeit verringert und damit die Produktivität der Maschine erhöht. Weitere Aufgabe ist es, ein Verfahren zu beschreiben, welches die Rüstzeit weiter reduziert.The object of the present invention is to describe a method for trimming tools of a flatbed sheet punching and / or embossing machine, which reduces the set-up time and thus increases the productivity of the machine. Another object is to describe a method which further reduces set-up time.
Gelöst werden diese Aufgaben durch ein Verfahren zum Zurichten von Werkzeugen einer Flachbettbogenstanz- und/oder -Prägemaschine mit den Merkmalen von Anspruch 1 bzw. ein Verfahren zur Oberflächenkorrektur von Tiegeln von Flachbettbogenstanz- und/oder - Prägemaschinen gemäß Anspruch 11.These objects are achieved by a method for trimming tools of a flatbed sheet punching and / or embossing machine with the features of claim 1 and a method for surface correction of crucibles of flatbed sheet punching and / or embossing machines according to
Das erfindungsgemäße Verfahren dient dem Zurichten von Werkzeugen, insbesondere Stanz- und Prägewerkzeugen, einer Flachbettbogenstanz- und/oder - Prägemaschine. Eine solche Maschine weist mindestens eine Stanz- und/oder - Prägestation mit einem oberen und einem unteren Tiegel auf. Beispielsweise handelt es sich um eine Flachbettbogenstanzmaschine mit einer Stanz- und Heißfolienprägestation. In einem ersten Schritt des erfindungsgemäßen Verfahrens erfolgt eine Messung der Druckverteilung in der mindestens einen Stanz- und/oder -Prägestation mittels eines flächenförmigen, insbesondere folienförmigen Druckverteilungssensors. Aufgrund seiner dünnen, flächenförmigen Ausbildung kann der Druckverteilungssensor problemlos zwischen dem Werkzeug und dem bewegten Tiegel bzw. innerhalb des Werkzeuges positioniert werden, insbesondere an der Position, an der sich später ein Zurichtebogen befindet. Die Messung der Druckverteilung geschieht insbesondere bei Arbeitsdruck, da die zugehörige Druckverteilung für das spätere Stanzen und Prägen mit der Maschine von Bedeutung ist und dynamische Verformungen so berücksichtigt werden können. In einem zweiten Schritt wird, basierend auf der zuvor ermittelten Druckverteilung, eine Zurichtebedarfsverteilung berechnet. Die Zurichtebedarfsverteilung gibt den Zurichtebedarf üblicherweise in µm an, welcher für eine gleichmäßige theoretische Druckverteilung und damit ein sauberes Stanzen und Prägen notwendig ist. In einem dritten Schritt erfolgt das Zurichten des Werkzeugs entsprechend der zuvor berechneten Zurichtebedarfsverteilung. Durch dieses erfindungsgemäße Verfahren wird das Zurichten der Werkzeuge in vorteilhafter Weise wesentlich beschleunigt, da die Zurichtebedarfsverteilung in einem Schritt ermittelt wird und nicht, wie üblich, iterativ durch mehrmaliges Stanzen bzw. Prägen und Beurteilung des Stanz- bzw. Prägeergebnisses bestimmt werden muss.The inventive method is used for trimming tools, in particular punching and embossing tools, a Flachbettbogenstanz- and / or - embossing machine. Such a machine has at least one punching and / or embossing station with an upper and a lower crucible. For example, it is a flatbed sheet punching machine with a punching and hot foil stamping station. In a first Step of the method according to the invention, a measurement of the pressure distribution in the at least one punching and / or stamping station by means of a sheet-like, in particular film-shaped pressure distribution sensor. Due to its thin, sheet-like design of the pressure distribution sensor can be easily positioned between the tool and the moving pan or within the tool, especially at the position at which a dressing sheet is later. The measurement of the pressure distribution occurs in particular at working pressure, since the associated pressure distribution for the subsequent punching and embossing with the machine is important and dynamic deformations can be taken into account. In a second step, a neediness distribution is calculated based on the previously determined pressure distribution. The need for dressing usually indicates the need for dressing in μm, which is necessary for a uniform theoretical pressure distribution and thus a clean punching and embossing. In a third step, the trimming of the tool is carried out according to the previously calculated demand for despatching. By means of this method according to the invention, the trimming of the tools is advantageously accelerated considerably, since the trimmings need distribution is determined in one step and does not have to be determined iteratively by repeated punching or embossing and evaluation of the stamping or embossing result, as usual.
In einer vorteilhaften Ausführungsform des Verfahrens wird der flächenförmige Druckverteilungssensor nach dem Messen der Druckverteilung aus der Stanz- und/oder Prägestation wieder entfernt. Dadurch ist gewährleistet, dass der Druckverteilungssensor nur während der Messung, nicht jedoch während des regulären Betriebs der Flachbettbogenstanz- und/oder -Prägemaschine belastet wird.In an advantageous embodiment of the method, the area-shaped pressure distribution sensor is removed again after measuring the pressure distribution from the punching and / or embossing station. This ensures that the pressure distribution sensor is only loaded during the measurement, but not during the regular operation of the flatbed sheet punching and / or embossing machine.
So kann die Zurichtebedarfsverteilung für eine nachfolgende Visualisierung in einfacher Art und Weise herangezogen werden. Die Visualisierung der Zurichtebedarfsverteilung kann dabei insbesondere durch Anwendung einer Farbkodierung geschehen, d.h. einem bestimmten Zurichtebedarf wird eine bestimmte Farbe zugeordnet. So kann beispielsweise einem Zurichtebedarf von 50 µm die Farbe Gelb zugeordnet sein, einem Zurichtebedarf von 10 µm die Farbe Rot usw. Die Visualisierung kann dabei auf verschiedene Arten erfolgen: So kann die Visualisierung beispielsweise durch Ausgabe auf einem Bildschirm bzw. einem Display geschehen. Werden auf dem Bildschirm bzw. Display auch die Stanzmesser und Rillmesser dargestellt, so ist für den Maschinenbediener schnell ersichtlich, wo ein Zurichten erfolgen muss.
In einer anderen vorteilhaften Variante geschieht die Visualisierung außerhalb der Bogenstanz- und/oder-Prägemaschine in einer Zurichteeinrichtung, wo die Fläche des Werkzeugs mit Licht in verschiedenen Farben entsprechend der Farbcodierung beleuchtet wird.
In einer weiteren, besonders vorteilhaften Ausführungsvariante geschieht die Visualisierung durch Ausgabe in gedruckter Form auf einem Bogen als Druckbild. Das Druckbild weist dabei die gleichen Abmaße wie das Werkzeug auf und der Bogen kann als Zurichtebogen dienen, auf welchem entsprechend der Zurichtebedarfsverteilung dünne Klebestreifen aufgebracht werden.Thus, the need for dressing requirements for a subsequent visualization in a simple manner can be used. The visualization of the neediness distribution can be done in particular by applying a color coding, ie a certain need for dressing a certain color is assigned. For example, the color yellow can be assigned to a dressing requirement of 50 μm, the color red to a dressing requirement of 10 μm, etc. The visualization can be carried out in various ways. For example, the visualization can be achieved by output on a screen or a display done. If the punching knives and creasing knives are also displayed on the screen or display, the machine operator can quickly see where they need to be trimmed.
In another advantageous variant, the visualization takes place outside the sheet punching and / or embossing machine in a trimming device, where the surface of the tool is illuminated with light in different colors in accordance with the color coding.
In a further, particularly advantageous embodiment, the visualization is done by output in printed form on an arc as a print image. The printed image has the same dimensions as the tool and the sheet can serve as a dressing sheet, on which thin strips of adhesive are applied in accordance with the need for dressing.
Auch für das Zurichten selbst stehen verschiedene Varianten zur Verfügung. So kann das Zurichten durch Hinterkleben der Stanz- und/oder Rillenmesser des Werkzeugs mit Klebestreifen, sogenannten Zurichtebändern, erfolgen. Alternativ ist das Zurichten als Flächenzurichtung durch Hinterlegen des Werkzeugs mit dünnen Bogen aus Papier, wie beispielsweise Seidenpapier, Kunststoff oder dergleichen möglich. Das Zurichten durch Einbringen einer entsprechend der Zurichtebedarfsverteilung mit einem Höhenprofil versehenen Platte zwischen Werkzeug und Tiegel stellt eine weitere Möglichkeit dar. Bei der Platte kann es sich beispielsweise um eine plastisch verformte Kunststoffplatte handeln, wie sie beispielsweise in der
In einer besonders vorteilhaften Ausführungsform des erfindungsgemäßen Verfahrens erfolgt das Messen der Druckverteilung, die Berechnung einer Zurichtebedarfsverteilung und das Abspeichern der Zurichtebedarfsverteilung einmalig, sodass dadurch die maschinenspezifische Topographie des oberen und unteren Tiegels Berücksichtigung findet. Für jedes erstmalig in der Flachbettbogenstanze- und/oder -Prägemaschine eingesetzte Werkzeug erfolgt - basierend auf der tiegelspezifischen Zurichtebedarfsverteilung - dann ein Zurichten des Werkzeugs.In a particularly advantageous embodiment of the method according to the invention, the measurement of the pressure distribution, the calculation of a demand for desming and the storage of the need for dressing are carried out once so that the machine-specific topography of the upper and lower crucible is taken into account. For the first time in the flatbed punching and / or embossing machine The tool used is then - based on the crucible-specific need for additional needs - then a dressing of the tool.
In einer alternativen Ausführungsform des Verfahrens wird die Messung der Druckverteilung zur Erhöhung der Bearbeitungsgenauigkeit auch nach Änderungen an einem Werkzeug und/oder nach dem Austausch von einem Werkzeug durchgeführt. Um die Bearbeitungsgenauigkeit auch trotz Abnutzungen am Werkzeug sicher zu stellen, wird die Messung der Druckverteilung in festgelegten Zeitintervallen durchgeführt, sodass bei Änderungen der Druckverteilung eine korrigierte Zurichtebedarfsverteilung ermittelt und das Werkzeug weiter zugerichtet werden kann.In an alternative embodiment of the method, the measurement of the pressure distribution to increase the machining accuracy is performed even after changes to a tool and / or after replacement of a tool. In order to ensure the machining accuracy despite wear on the tool, the measurement of the pressure distribution is carried out at specified time intervals, so that changes in the pressure distribution can be determined a corrected demand distribution and the tool can be further trimmed.
In einer besonders vorteilhaften Ausführungsvariante des erfindungsgemäßen Verfahrens handelt es sich bei dem Druckverteilungssensor um einen piezorestriktiven Drucksensor, insbesondere um einen piezokeramischen Drucksensor. Solche Drucksensoren verbinden die Vorteile einer hohen Auflösung mit dem Geeignetsein für hohe Kräfte.In a particularly advantageous embodiment variant of the method according to the invention, the pressure distribution sensor is a piezoresistive pressure sensor, in particular a piezoceramic pressure sensor. Such pressure sensors combine the advantages of high resolution with high power capability.
Gegenstand der Erfindung ist weiter ein Verfahren zur Oberflächenkorrektur von Tiegeln einer Flachbettbogenstanz- und/oder -Prägemaschine, welche mindestens eine Stanz-und/oder -Prägestation mit je einen oberen und einem unteren Tiegel besitzt. In einem ersten Verfahrensschritt erfolgt die Messung der Druckverteilung in der mindestens einen Stanz- und/oder -Prägestation mit einem sich über die Fläche der Tiegel erstreckenden flachen, insbesondere folienförmigen Druckverteilungssensor. Besonders vorteilhaft ist es, die Messung bei Arbeitsdruck durchzuführen. Nach erfolgter Messung wird der Druckverteilungsssensor wieder entfernt und eine Korrekturbedarfsverteilung, basierend auf den Messwerten, wird errechnet. Ausgehend von dieser Korrekturbedarfsverteilung erfolgt eine Oberflächenbearbeitung mindestens eines der beiden Tiegel, wodurch eine gleichmäßige theoretische Druckverteilung über die ganze Fläche der Tiegel erreicht werden soll. Anstelle eines Werkzeuges kann während der Messung in der Stanz-und/oder Prägestation eine spezielle Platte mit hoher Parallelität eingebaut werden. Besonders vorteilhaft erscheint der Einsatz eines Gitters, welches einzelne Punkte als Raster abbildet. Durch diese einmalige Oberflächenkorrektur der Tiegel wird in vorteilhafter Weise erreicht, dass der Zurichtebedarf bei allen in der Stanz- und/oder― Prägestation verwendeten Werkzeugen der Zurichtebedarf reduziert wird und sich damit die notwendige Zeit für das Zurichten der Werkzeuge wesentlich verringert.The invention further relates to a method for surface correction of crucibles of a flat bed sheet punching and / or embossing machine, which has at least one punching and / or stamping station, each having an upper and a lower crucible. In a first method step, the pressure distribution in the at least one punching and / or stamping station is measured with a flat, in particular foil-shaped, pressure distribution sensor extending over the surface of the crucible. It is particularly advantageous to carry out the measurement at working pressure. After the measurement, the pressure distribution sensor is removed again and a correction requirement distribution based on the measured values is calculated. On the basis of this correction requirement distribution, a surface treatment is carried out on at least one of the two crucibles, whereby a uniform theoretical pressure distribution over the entire surface of the crucible is to be achieved. Instead of a tool, a special plate with high parallelism can be installed during the measurement in the punching and / or embossing station. Particularly advantageous is the use of a grid, which depicts individual points as a grid. Due to this unique surface correction of the crucible is achieved in an advantageous manner that the dressing needs in all in the punching and / or- Embossing tools used the dressing needs is reduced and thus significantly reduces the time required for trimming the tools.
In einer weiteren vorteilhaften Weiterbildung des erfindungsgemäßen Verfahrens wird die Topographie der Tiegel der Stanz- und /oder Prägestation ermittelt und die Zurichtebedarfsverteilung der Stanz- und /oder Prägestation abgespeichert. Dadurch kann die Zurichtung außerhalb der Bogenstanz- und/oder-Prägemaschine in einer Zurichteeinrichtung, beispielsweise einer Stanzstation einer weiteren Bogenstanz-und/oder-Prägemaschine, erfolgen. Dazu wird die Topographie der Zurichteeinrichtung ebenfalls durch Messung der Druckverteilung mittels eines flächenförmigen, insbesondere folienförmigen Druckverteilungssensors bestimmt und abgespeichert. In einem nächsten Schritt wird in die Zurichteeinrichtung das Werkzeug eingesetzt und abermals die Druckverteilung bestimmt und abgespeichert. In einem einem nachfolgenden Rechenverfahren wird die Zurichtebedarfsverteilung berechnet, indem die Topographie der Stanz- und /oder Prägestation und die Topographie des Werkzeuges ergänzend berücksichtigt werden und die Topographie der Zurichteeinrichtung herausgerechnet wird. Abschließend kann die Zurichtung des Werkzeuges erfolgen.In a further advantageous development of the method according to the invention, the topography of the crucible of the punching and / or embossing station is determined and the need for trimming of the punching and / or embossing station is stored. As a result, the dressing can take place outside the sheet punching and / or embossing machine in a trimming device, for example a stamping station of a further sheet punching and / or embossing machine. For this purpose, the topography of the trimming device is likewise determined and stored by measuring the pressure distribution by means of a sheet-like, in particular film-shaped pressure distribution sensor. In a next step, the tool is used in the trimming and again the pressure distribution determined and stored. In a subsequent computation method, the trimmings need distribution is calculated by additionally taking into account the topography of the punching and / or embossing station and the topography of the tool and excluding the topography of the trimming device. Finally, the dressing of the tool can be done.
Die beschriebene Erfindung und die beschriebenen vorteilhaften Weiterbildungen der Erfindung stellen auch in beliebiger Kombination miteinander vorteilhafte Weiterbildungen der Erfindung dar.The described invention and the described advantageous developments of the invention are also in any combination with each other advantageous developments of the invention.
Hinsichtlich weiterer vorteilhafter Ausgestaltungen der Erfindung wird auf die Unteransprüche sowie die Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegenden Zeichnungen verwiesen.With regard to further advantageous embodiments of the invention, reference is made to the dependent claims and the description of an embodiment with reference to the accompanying drawings.
-
Fig. 1a eine Flachbett-Bogenstanz- und/oder -prägemaschineFig. 1b den Bereich der Stanzstation 2 ausFig. 1a in einer DetaildarstellungFig. 1a a flatbed sheet punching and / or embossing machineFig. 1b the area of the punchingstation 2 offFig. 1a in a detailed view -
Fig. 2a eine mögliche Visualisierung der ZurichtebedarfsverteilungFig. 2a a possible visualization of the needs for the needs -
Fig. 2b einen nach der Darstellung vonFig. 2a erstellten ZurichtebogenFig. 2b one after the presentation ofFig. 2a created trimming sheet
In
Die Bögen 6 werden durch einen Anleger 1 von einem Stapel vereinzelt, dem Bogentransportsystem 7 zugeführt und von an Greiferbrücken eines Greiferwagens 8 befestigten Greifern an ihrer Vorderkante ergriffen und in Bogentransportrichtung B intermittierend durch die verschiedenen Stationen 2, 3 und 4 der Stanz- und Prägemaschine 100 hindurchgezogen.
Das Bogentransportsystem besitzt 7 mehrere Greiferwagen 8, so dass mehrere Bögen 6 gleichzeitig in den verschiedenen Stationen 2, 3 und 4 bearbeitet werden können. Die Greiferwagen 8 können in einer alternativen Ausführungsform durch einen elektromagnetischen Linearantrieb mit Wechselfeldmotoren angetrieben werden.The
The sheet transport system has 7
Die Stanzstation 2 besteht aus einem unteren Tiegel, einem sog. Untertisch 9, und einem oberen Tiegel, einem sog. Obertisch 10. Der Obertisch 10 ist vertikal hin- und herbewegbar gelagert und mit Stanz- und Rillmessern versehen. Der Untertisch 9 ist fest im Maschinengestell gelagert und mit einer Gegenplatte zu den Stanz- und Rillmessern versehen. Um die Druckverteilung in der Stanzstation vermessen zu können ist ein Druckverteilungssensor 30 vorgesehen. Der Ausschnitt Ib wird in
Der Greiferwagen 8 transportiert den Bogen 6 von der Stanz- und Prägestation 2 in die nachfolgende Ausbrechstation 3, die mit Ausbrechwerkzeugen ausgestattet ist. In der Ausbrechstation 3 werden mit Hilfe der Ausbrechwerkzeuge die nicht benötigten Abfallstücke aus dem Bogen 6 nach unten herausgestoßen, wodurch die Abfallstücke 11 in einen unter der Station eingeschobenen wagenartigen Behälter 12 fallen.The
Von der Ausbrechstation 3 gelangt der Bogen 6 in den Ausleger 4, wo der Bogen 6 entweder nur einfach abgelegt wird, oder aber gleichzeitig eine Trennung der einzelnen Nutzen erfolgt. Der Ausleger 4 kann auch eine Palette 13 enthalten, auf der die einzelnen Bögen 6 in Form eines Stapels 14 aufgestapelt werden, so dass nach Erreichen einer bestimmten Stapelhöhe die Paletten 14 mit den aufgestapelten Bögen 6 aus dem Bereich der Stanz- und Prägemaschine 100 weggefahren werden können.From the breaking
In
Zur Durchführung des erfindungsgemäßen Verfahrens befindet sich zwischen der Schutzplatte 21 und dem bewegten oberen Tiegel 10 ein Druckverteilungssensor 30, welcher nach durchgeführter Messung wieder entfernt werden kann. Der Druckverteilungssensor 30 kann sich alternativ auch zwischen Schutzplatte 21 und Trägerplatte 22 befinden (nicht dargestellt). Der Druckverteilungssensor 30 ist mit einer Auswerte- und Speichereinheit 15 verbunden. Wird der obere Tiegel 10 gegen den unteren Tiegel 9 in Richtung Z zugestellt, kann während dem Stanzvorgang die Druckverteilung über die Fläche des Stanzwerkzeugs 20 durch den Druckverteilungssensor 30 gemessen werden. Basierend auf der so gemessenen Druckverteilung kann durch die Auswerteeinheit 15 eine Zurichtebedarfsverteilung berechnet werden.To carry out the method according to the invention is located between the
Eine beispielhafte Zurichtebedarfsverteilung ist in
Ausgehend von dieser visualisierten Zurichtebedarfsverteilung kann nachfolgend, wie in
- 11
- Anlegerinvestor
- 22
- Stanzstationpunching station
- 33
- Ausbrechstationstripping
- 44
- Auslegerboom
- 55
- Maschinengehäusemachine housing
- 66
- Bogenbow
- 77
- BogentransportsystemSheet transport system
- 88th
- Greiferwagengripper carriages
- 99
- Untertischunder table
- 1010
- Obertischovertable
- 1111
- Abfallstücketrimmings
- 1212
- Wagendare
- 1313
- Palettepalette
- 1414
- Auslagestapeldelivery pile
- 1515
- Steuerung mit Interface, Eingabegeräten, Auswerteeinheit und SpeichereinheitControl with interface, input devices, evaluation unit and memory unit
- 1616
- Zuführtischfeed
- 2020
- Stanzwerkzeugpunching tool
- 2121
- Schutzplatte, z.B. aus KunststoffProtective plate, e.g. made of plastic
- 2222
- Holz-TrägerplatteWood-supporting plate
- 2323
- Stanzmesserpunching knife
- 2424
- GegenstanzplatteAgainst Tanzplatte
- 2525
- Zurichtebogenoverlay
- 25.125.1
- keine Zurichtungno dressing
- 25.225.2
- geringe Zurichtungminor dressing
- 25.325.3
- große Zurichtunggreat dressing
- 3030
- DruckverteilungssensorPressure distribution sensor
- 4040
- kein Zurichtebedarfno dressing needs
- 4141
- geringer Zurichtebedarflow dressing requirement
- 4242
- großer Zurichtebedarflarge dressing needs
- 6060
- Druckbildprint image
- 100100
- Bogenstanz- und -prägemaschineSheet punching and embossing machine
- BB
- BogentransportrichtungSheet transport direction
- Ee
- BogentransportebeneSheet transport plane
- ZZ
- Zustellbewegunginfeed
Claims (12)
dadurch gekennzeichnet,
dass das Zurichten durch Hinterkleben der Stanz- und/oder Rillmesser (23) des Werkzeugs (20) mit Klebestreifen erfolgt
oder, dass
das Zurichten als Flächenzurichtung durch Hinterlegen des Werkzeugs (20) mit dünnen Bogen aus Papier, Kunststoff oder dergleichen erfolgt
oder, dass
das Zurichten durch Einbringen einer mit einem Höhenprofil versehenen Platte zwischen Werkzeug (21) und Tiegel (2) erfolgt.Process for dressing according to one of the preceding claims,
characterized,
that the trimming is carried out by pasting the punching and / or scoring blades (23) of the tool (20) with adhesive strips
or that
the trimming is done as surface finishing by depositing the tool (20) with thin sheets of paper, plastic or the like
or that
the dressing by introducing a provided with a height profile plate between the tool (21) and crucible (2).
dadurch gekennzeichnet,
dass das Höhenprofil durch schichtweisen Aufbau der Platte erstellt wird.Process for dressing according to claim 7,
characterized,
that the height profile is created by layer by layer construction of the plate.
dadurch gekennzeichnet,
dass das Höhenprofil durch schichtweises Abtragen der Platte erstellt wird.Process for dressing according to claim 7,
characterized,
that the height profile is created by layer by layer removal of the plate.
/ oder -prägemaschine (100), welche mindestens eine Stanz- und / oder Prägestation (4) mit je einem oberen (10) und einem unteren (9) Tiegel besitzt, mit nachfolgenden Schritten:
/ or embossing machine (100) which has at least one punching and / or embossing station (4) each with an upper (10) and a lower (9) crucible, with the following steps:
dadurch gekennzeichnet,
dass es sich bei dem Druckverteilungssensor (30) um einen piezorestriktiven Drucksensor handelt, insbesondere um einen piezokeramischen Drucksensor.Method according to one of the preceding claims,
characterized,
in that the pressure distribution sensor (30) is a piezoresistive pressure sensor, in particular a piezoceramic pressure sensor.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102009056169A DE102009056169A1 (en) | 2009-11-27 | 2009-11-27 | Method of trimming tools |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2327521A1 true EP2327521A1 (en) | 2011-06-01 |
EP2327521B1 EP2327521B1 (en) | 2015-07-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP10188981.4A Active EP2327521B1 (en) | 2009-11-27 | 2010-10-27 | Method for adjusting tools |
Country Status (4)
Country | Link |
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EP (1) | EP2327521B1 (en) |
CN (1) | CN102166761B (en) |
DE (1) | DE102009056169A1 (en) |
ES (1) | ES2547711T3 (en) |
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EP3825024A1 (en) * | 2019-11-25 | 2021-05-26 | Duplo Corporation | Punching device and punching method |
EP4026674A1 (en) | 2021-01-12 | 2022-07-13 | Koenig & Bauer AG | Device and method for making ready a die for cutting |
DE102021100379A1 (en) | 2021-01-12 | 2022-07-14 | Koenig & Bauer Ag | Device and method for preparing a machining tool |
DE102021100380A1 (en) | 2021-01-12 | 2022-07-14 | Koenig & Bauer Ag | Processing tool of a processing machine and method for preparing a processing tool |
WO2022152419A1 (en) | 2021-01-12 | 2022-07-21 | Koenig & Bauer Ag | Processing tool of a processing device and method for adjusting a processing tool |
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DE102015106344A1 (en) | 2015-04-24 | 2016-10-27 | Karl Marbach Gmbh & Co. Kg | Technique for setting up a punching device |
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DE102021127500B3 (en) | 2021-10-22 | 2023-02-23 | Koenig & Bauer Ag | Processing tool of a processing machine and method for preparing a processing tool |
DE102022113780B3 (en) | 2022-06-01 | 2023-10-05 | Koenig & Bauer Ag | Dressing device and method for dressing a processing tool |
WO2024160857A1 (en) * | 2023-01-31 | 2024-08-08 | Bobst Mex Sa | Method for providing a compensation sheet for a pressing station and method for setting a cardboard processing machine |
WO2024160858A1 (en) * | 2023-01-31 | 2024-08-08 | Bobst Mex Sa | Measuring tool and method for providing a compensation sheet |
CN116214634A (en) * | 2023-02-08 | 2023-06-06 | 思睿观通科技(江苏)有限公司 | Die cutting method and system |
CN116214634B (en) * | 2023-02-08 | 2023-12-19 | 思睿观通科技(江苏)有限公司 | Die cutting method and system |
Also Published As
Publication number | Publication date |
---|---|
CN102166761B (en) | 2015-12-02 |
EP2327521B1 (en) | 2015-07-29 |
CN102166761A (en) | 2011-08-31 |
ES2547711T3 (en) | 2015-10-08 |
DE102009056169A1 (en) | 2011-06-01 |
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