EP4182134A1 - Bearbeitungswerkzeug einer bearbeitungsmaschine und verfahren zum zurichten eines bearbeitungswerkzeugs - Google Patents
Bearbeitungswerkzeug einer bearbeitungsmaschine und verfahren zum zurichten eines bearbeitungswerkzeugsInfo
- Publication number
- EP4182134A1 EP4182134A1 EP21801087.4A EP21801087A EP4182134A1 EP 4182134 A1 EP4182134 A1 EP 4182134A1 EP 21801087 A EP21801087 A EP 21801087A EP 4182134 A1 EP4182134 A1 EP 4182134A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machining tool
- processing
- tool
- finishing agent
- machining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
-
- 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
- B26F1/384—Cutting-out; Stamping-out using rotating drums
-
- 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
-
- 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
-
- 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
- B31B50/006—Controlling; Regulating; Measuring; Improving safety
-
- 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
-
- 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
- B31B50/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
-
- 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
- B31B50/25—Surface scoring
- B31B50/252—Surface scoring using presses or dies
-
- 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
- B31B50/25—Surface scoring
- B31B50/256—Surface scoring using tools mounted on a drum
Definitions
- the invention relates to a processing tool of a processing machine and a method for preparing a processing tool according to the preamble of claim 1 or claim 31.
- Materials in the form of webs or sheets are processed in the manufacture of packaging. In several processing steps, the sheets are printed, embossed, creased, perforated, punched, cut, stapled, glued and folded into packaging, for example.
- a sheet processing machine can include various processing steps such as printing, cutting, embossing, creasing, punching, perforating, gluing and/or stapling. Such sheet processing machines often also have inspection devices. Sheets are usually processed and trimmed in processing machines with form-bound punching and cutting devices.
- Such a processing machine is designed, for example, as a punching, cutting, perforating, embossing and/or creasing machine. If such a processing machine is referred to below as a punching and/or punching machine, this also means in particular a cutting, perforating, embossing and/or creasing machine.
- a punching and/or punching machine this also means in particular a cutting, perforating, embossing and/or creasing machine.
- Rotary punching machines can, for example, be equipped with the modules punching unit, creasing unit, embossing unit and stripping unit.
- Such a rotary punch is known, for example, from WO 2017/089420 A2.
- Manufacturing tolerances of tools or different load distribution during processing, especially punching can lead to wear on the knives or tools with height differences. This results, for example, in an unequal punching pressure, which results in an unclean punching result, for example.
- the punching tools and/or creasing tools and/or embossing tools have to be reworked to compensate for the errors and/or the deviations.
- an agent is applied to the back of the respective processing tool. This is referred to as preparing the processing tools.
- EP 2 327 521 A1 discloses a method for trimming punching tools in flat bed punches.
- trimming is usually carried out using special adhesive tape and/or special adhesive strips, which compensate for the unevenness and/or deviations and/or errors on the knives.
- the errors and/or deviations are compensated for by gluing the punching and/or creasing knives. Due to the fairly high tolerances in the flatbed area, the punching tool can be trimmed sufficiently well with the adhesive tape.
- Such tape is available in different strengths.
- (trimming) sheets can be used for trimming with the required basic contour.
- Such Sheets are usually thin and pressure-resistant and represent the entire required cutting contour.
- DE 102012 017636 A1 discloses a processing tool of a processing machine, in particular a flat-bed punch.
- the processing tool includes an upper tool and a wooden support plate.
- An overlay sheet is interposed therebetween.
- a swelling agent for overlay can be used on the overlay sheet.
- EP 3 342 568 B1 discloses a system for compensating for misalignments of a die for punching cardboard. Height correcting elements can be captured and a digital representation of the digital file can be projected onto a pressure compensation plate of the punch.
- the invention is based on the object of creating a processing tool of a processing machine and a method for dressing.
- the object is achieved according to the invention by the features of claim 1 and claim 31 .
- the advantages that can be achieved with the invention consist, in particular, in the fact that an operator can be able to prepare more quickly and easily.
- Complex production and/or storage of the overlay sheet which involves costs in addition to the costs of the processing tools, in particular the punching and/or creasing tools, can be dispensed with.
- a makeready sheet not only has to be produced and/or archived in addition to the tool costs, but also suffers damage over time through repeated use and then has to be produced again, which is costly and time-consuming.
- the invention is not limited to rotary machining methods, but is also particularly suitable for use in flat and cyclic machining methods.
- Makeready is also useful in flatbed die-cutting machines, since the use of makeready means makes it possible to dispense with conventional makeready sheets. Depending on the use of the dressing, larger deviations can also be compensated.
- a further advantage that can be achieved with the invention consists in particular in the fact that the time required for preparation is minimized and handling is improved.
- a digital processing contour is used for this purpose.
- the digital processing contour of the processing tool can be determined, for example, from a preliminary processing stage, for example a preliminary stamping stage and/or a preliminary printing stage. After inspecting the processing tool and/or the processing result, areas on the digital processing contour can be marked. For the inspection, for example, a test sheet is processed or the contours of the processing tool are viewed directly. This is done either by an operator or fully automatically by an integrated inspection device.
- Marking preferably takes place at a control station, where the processing contour or the cutting layout is displayed and directly the (dressing) points to be reworked be marked by means of an input device.
- markings in mobile devices are also conceivable and useful.
- any digital input device can be used.
- This digital data can then be used in different ways to facilitate and, if necessary, automate the preparation of the processing tool. For example, this data can also be stored and called up again at any time. In particular, when using overlay sheets, the work result cannot/could not be saved and one had to be produced again.
- Such a simplification occurs, for example, by coupling to a projection device.
- the processing tool is positioned in an aligned manner and the processing contour with the markings is projected onto the back of the processing tool.
- An operator recognizes very quickly and easily the points at which a dressing must be applied.
- the finishing points are thus identified in a simple manner.
- a short-distance projector which in particular offers space savings, is particularly preferred for this purpose.
- a liquid trimming agent is used to make operation even easier. This can be cured, for example, by means of radiation, in particular UV radiation.
- the digital data can be forwarded directly to a controller for controlling an actuator arm.
- the actuating arm can then, for example, apply the finishing agent fully automatically.
- the controlled arm can communicate, for example, by means of a machine controller and receive signals, for example, from a quality control.
- a quality control is arranged in different areas of the punching machine and/or can also be arranged, for example, on upstream machines, such as printing machines, and/or downstream on folding and/or gluing machines.
- different processes can be linked with each other and automation can be further advanced. To laborious and/or imprecise manual trimming can be waived. Additional labor costs can be saved in this way. For example, an operator would only have to select the UV layer thickness to be applied.
- the controlled arm does the rest automatically.
- curing also occurs fully automatically.
- the projection could be dispensed with.
- a further advantage that can be achieved with the invention is, in particular, that the processing tool is trimmed directly in the processing machine.
- the processing tool is removed from the processing machine semi-automatically and/or fully automatically, for example similar to an automatic plate changer of a printing press, and the dressing is applied fully automatically using the digital data, for example with the actuating arm.
- a processing tool, in particular a punching plate can then, for example, be automatically spot-painted directly in an automatic plate changing machine and then hardened. Then removing, for example, the punching plate from the shaping unit or the punching tower would be omitted. In the case of a fully automatic plate changer, an operator does not even have to leave the control station.
- the plate After hardening, the plate can be drawn in again using the plate changing machine.
- a further advantage that can be achieved with the invention consists in particular in the fact that trimming takes place by means of a paint and/or paint mixture that can be applied.
- Spray paints are usually used for flat and/or zoned application.
- Precise lines for small areas can be applied using touch-up sticks.
- Such a paint can preferably be applied and then cured.
- a waiting time for the paint to dry can be minimized by using a preferably large-area blasting device.
- a radiation device is preferably attached to a fixed structure, so that incorrect radiation can be avoided and better protection for an operator can be guaranteed. In particular, faster curing and/or drying over the entire surface can be achieved in this way.
- Such curing is preferably effected by UV light.
- a method has the advantage that the paint can be applied very precisely and that curing can take place in a very controlled manner.
- the paint is cured, for example by UV radiation, a scratch-resistant layer is formed which has sufficient temperature resistance and resistance to mechanical loads for use in a punching machine.
- thin layers with the required tolerances of 5-10 ⁇ m can be realized.
- a layer thickness can be adjusted. Layer thicknesses of between 5 and 15 microns can be achieved in this way.
- the UV lacquers are preferably cured over a large area by means of a UV LED, which is preferably arranged on the dressing device.
- the finishing done in this way can be removed very easily after it has been hardened and/or dried over a large area.
- the post-processing and/or dressing can thus be applied more easily and handling of the tools required for this is significantly simplified.
- the dressing can be applied very precisely and only cutting contours that actually have to be dressed can be reworked. In the case of a large-area zone dressing, zones are already dressed that were already sufficient in terms of cutting quality. This can be avoided.
- the dressings are scratch-resistant, mechanically resistant and resistant to the temperatures introduced into the die-cutting cylinder (temperature-resistant). Due to the fast curing and/or drying, the operator's waiting time during preparation can be minimized.
- the finishing agent can be a dispersion consisting of a dispersion medium and a disperse phase.
- the dispersion medium has at least one, preferably highly volatile, solvent.
- the disperse phase consists of a finely divided solid. This remains when the solvent evaporates and can be used for trimming will. Very thin layers can be applied.
- the dispersion is particularly easy to apply using an application pen and can be applied automatically with an adjusting arm.
- the dispersions are characterized by a high proportion of volatile solvents. As a result, a drying time can be kept very short. For example, a drying time of a few seconds can be achieved.
- Such a dispersion particularly preferably has a ketone, preferably methyl ethyl ketone (MEK for short), as the solvent.
- MEK methyl ethyl ketone
- the solvent evaporates very quickly, resulting in rapid drying of the dispersion.
- the remaining particles and/or pigments of the dispersion form a robust layer which is scratch-resistant, pressure-resistant and heat-resistant.
- the dispersion preferably has a high proportion of at least 50%, more preferably at least 60%, even more preferably 70% solvent.
- the layer thickness of the finishing layer can be easily adjusted by adjusting the proportion of the solvent.
- a dispersion which has finely divided particles, in particular pigments, is particularly advantageously used.
- the dispersion for finishing is preferably an ink, more preferably an inkjet ink.
- Ink has the advantage that it is available at low cost and with high availability. In addition, inkjet ink poses few hazards to an operator. Radiation for drying can also be dispensed with. Particularly preferably, the ink can also be applied in an automated manner using an inkjet printing device.
- a further advantage that can be achieved with the invention consists in particular in the fact that the processing tools, preferably punching tools, can be inspected using a mobile device and detected errors can be transmitted automatically. The errors can then be corrected automatically, for example, with the embodiment described above.
- FIG. 1 shows a side view of the processing machine in a preferred embodiment
- FIG. 2 shows an overview of the processing machine in a preferred embodiment in a plan view with preferred arrangements of the device for dressing
- FIG. 3 shows an exemplary sheet with two blanks and offcuts, the two blanks being separated from one another by a web;
- FIG. 4 shows a further exemplary sheet with two blanks and offcuts, the two blanks being arranged directly next to one another and contiguously;
- FIG. 5 shows a schematic representation of a stack of sheets comprising a plurality of partial stacks
- FIG. 6 shows a schematic representation of a blank stack comprising a plurality of partial blank stacks which are each separated from one another by an interleaf sheet, for example;
- Fig. 7 is a schematic representation of a single partial stack of sheets
- FIG. 8 shows a schematic representation of a stack of blanks in the blank delivery with an intermediate sheet
- Fig. 9 is a perspective view of a trimming device in a preferred embodiment
- 10 shows a schematic representation of the device for dressing in a further preferred embodiment
- FIG. 11 shows a representation of a UV paint pen.
- a processing machine 01 is preferably embodied as a sheet processing machine 01, in particular as a die-cutting machine 01 or die cutter 01, more preferably as a rotary die-cutting machine 01, for processing at least one, preferably at least two, more preferably a large number of sheet-shaped substrate 02 or sheets 02.
- processing machine 01 and/or sheet processing machine 01 also means, in particular, a die-cutting machine 01.
- the processing machine 01 has at least one unit 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400, preferably a plurality of aggregates 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 on.
- Processing machine 01 in particular sheet processing machine 01, preferably comprises at least one, preferably at least two, more preferably at least three, more preferably at least four, as shaping unit 300; 400; 500; 600 trained unit 300; 400; 500; 600 for processing sheets 02, for example at least one first shaping unit 300 and/or at least one second shaping unit 400 and/or at least one third shaping unit 500 and/or at least one fourth shaping unit 600.
- an aggregate 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 is preferably understood to mean a group of devices that interact functionally, in particular in order to be able to carry out a preferably self-contained processing operation on the at least one substrate 02.
- an aggregate comprises 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 in each case a machine section of processing machine 01, which is preferably arranged such that it can be at least partially spatially separated from other machine sections.
- the term substrate 02 in particular sheet-like substrate 02, specifically sheet 02, is used here to mean any flat substrate 02 or any substrate 02 that is present in sections, i.e. also substrate 02 that is in the form of a panel or plate, i.e. also panels or plates , be included.
- the sheet-like substrate 02 or sheet 02 defined in this way is made of cardboard and/or corrugated cardboard, for example, i. H. Sheets of cardboard and/or corrugated cardboard or formed by sheets, panels or possibly plates made of plastic, cardboard, glass, wood or metal. More preferably, the sheet-like substrate 02 is paper and/or cardboard, in particular sheets of paper and/or cardboard.
- sheet 02 refers to sheets 02 that have not yet been processed using at least one unit 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 have been processed, as well as those sheets 02 that have already been processed using at least one unit 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 were processed and possibly changed in their shape and / or their mass.
- paper is a flat material consisting essentially of fibers, mostly of vegetable origin, which is formed by draining a fibrous suspension on a sieve. This creates a fiber felt that is then dried.
- the basis weight of paper is preferably a maximum of 225 g/m2 (two hundred and twenty-five grams per square meter).
- cardboard is a flat material consisting essentially of fibers of plant origin, which is formed by dewatering a fibrous suspension on one or between two screens. The fiber structure is compacted and dried.
- Cardboard is preferably made by gluing or pressing together made of pulp. Cardboard is preferably designed as solid cardboard or corrugated cardboard.
- the basis weight of paperboard is in excess of 225 g/m 2 (two hundred and twenty five grams per square meter).
- Corrugated cardboard is cardboard made from one or more layers of corrugated paper glued to one layer or between several layers of another preferably smooth paper or cardboard.
- the term cardboard refers to a paper fabric that is preferably coated on one side and has a mass per unit area of at least 150 g/m2 (one hundred and fifty grams per square meter) and a maximum of 600 g/m2 (six hundred grams per square meter).
- Cardboard preferably has high strength relative to paper.
- a sheet 02 to be processed preferably the at least one sheet 02, preferably has a basis weight of at least 60 g/m 2 (sixty grams per square meter) and/or a maximum of 700 g/m 2 (seven hundred grams per square meter), preferably a maximum of 500 g/m 2 (five hundred grams per square meter), more preferably at most 200 g/m 2 (two hundred grams per square meter).
- a sheet 02 to be processed, preferably the at least one sheet 02 preferably has a maximum thickness of 1.5 cm (one point five centimeters), preferably a maximum of 1.0 cm (one point zero centimeters), more preferably a maximum of 0.6 cm (zero point six centimetres), up.
- the at least one sheet 02 has a thickness of at least 0.01 cm (zero point zero one centimeter), preferably at least 0.03 cm (zero point zero three centimeters).
- the at least one substrate 02 in particular the at least one sheet 02, preferably has a sheet width, preferably parallel to a transverse direction A, of precisely at least 200 mm (two hundred millimeters), preferably at least 300 mm (three hundred millimeters), more preferably at least 400 mm (four hundred millimeters).
- the sheet width is preferably a maximum of 1,500 mm (one thousand five hundred millimeters), more preferably a maximum of 1,300 mm (thousand three hundred millimeters), even more preferably a maximum of 1,060 mm (thousand and sixty millimeters).
- An arc length, preferred parallel to a transport direction T is, for example, at least 150 mm (one hundred and fifty millimeters), preferably at least 250 mm (two hundred and fifty millimeters), more preferably at least 350 mm (three hundred and fifty millimeters). Furthermore, an arc length is, for example, at most 1,200 mm (one thousand two hundred millimeters), preferably at most 1,000 mm (one thousand millimeters), more preferably at most 800 mm (eight hundred millimeters).
- the term panel 03 preferably refers to the number of identical and/or different objects that are manufactured from the same piece of material and/or are arranged on a common carrier material, for example a common sheet 02.
- a blank 03 is preferably that area of a sheet 02 which is designed as a product of the sheet processing machine 01, in particular as an intermediate product for the production of an end product, and/or is processed further, for example to form a desired or required end product, and/or is designed such that it can be further processed.
- the desired or required end product which is preferably produced by further processing of the respective copy 03, is preferred here, packaging, in particular a folding box, or a label and/or a label, in particular a label and/or a label of a packaging.
- the at least one sheet 02 preferably has at least one copy 03, preferably at least two copies 03, more preferably at least four copies 03, more preferably at least eight copies 03, for example twelve copies 03.
- the at least two blanks 03 of the at least one sheet 02 are preferably each connected to one another and/or to the respective adjacent blank 03 by at least one holding point, preferably by at least two holding points, more preferably by at least four holding points.
- a remnant 04; 05; 06 is that area of a sheet 02 above and below that does not correspond to a blank 03. Collected remnants 04; 05; 06 are preferably referred to as waste.
- a remnant 04; 05; 06 is preferably as Trimming and/or breakout formed and/or removable.
- the at least one remnant piece 04; 05; 06 in at least one shaping unit 300 preferably by at least one processing step of the respective sheet 02, for example in at least one punching process.
- the at least one remnant piece 04; 05; 06 is at least partially removed from the respective sheet 02 and is thus separated, in particular, from the respective copies 03 of the sheet 02.
- At least one fourth shaping unit 600 configured as a stripping unit 600 is configured to remove at least one first remnant piece 04, in particular at least one waste piece 04, and/or to remove at least one waste piece 04.
- at least one unit 1200 configured as a depaneling unit 1200 is configured to remove at least one second remnant piece 06, in particular at least one gripper edge 06, and/or to remove at least one gripper edge 06.
- a sheet 02 comprises a remnant piece 05 configured as a web 05.
- the at least one web 05 separates the panels 03 from one another.
- the at least one depaneling unit 1200 is preferably the at least one remnant piece 05; 06, in particular the at least one web 05 and/or the at least one gripper edge 06.
- the at least one substrate 02 in particular the at least one sheet 02, has a plurality of edges 07; 08; 09 on.
- an edge 07 embodied as a leading edge 07 is oriented at the front of the sheet 02 in the transport direction T and is arranged orthogonally to the transport direction T.
- the leading edge 07 is that edge 07 of the at least one sheet 02 which, for the purpose of transporting the at least one sheet 02, can preferably be grasped by at least one component of the sheet processing machine 01, in particular by at least one transport means of at least one transport system, and/or on which at least one component is attached the Sheet processing machine 01, in particular by the at least one transport means of the at least one transport system, which holds the at least one sheet 02.
- An edge 08 of the at least one sheet 02 embodied as a rear edge 08 is preferably arranged opposite the front edge 07. More preferably, the front edge 07 and the rear edge 08 are arranged parallel to one another. In particular, the rear edge 08 is oriented at the rear in transport direction T on the at least one sheet 02 and is arranged orthogonally to transport direction T. Sheet 02 also includes two edges 09 designed as side edges 09. The two side edges 09 are preferably arranged parallel to transport direction T. The two side edges 09 are preferably each arranged orthogonally to the front edge 07 and/or to the rear edge 08 of the sheet 02.
- the at least one sheet 02 preferably has at least one printed image.
- the printed image describes a representation on the at least one sheet 02, which corresponds to the sum of all image elements, the image elements being printed on the sheet 02 during at least one work stage and/or at least one printing operation, for example before or during processing by the Sheet processing machine 01, have been and/or can be transferred.
- the surface of the at least one sheet 02 preferably has at least one unprinted area, in particular an unprinted edge area, which is preferably embodied as the at least one remnant piece 06 and/or the at least one gripper edge 06.
- the at least one sheet 02 has the at least one gripper edge 06 on its front edge 07 or on its rear edge 08.
- the at least one sheet 02 preferably has the at least one gripper edge 06 both on its front edge 07 and on its rear edge 08.
- Sheet 02 preferably has at least one printing mark 11, preferably at least two printing marks 11.
- a print mark 11 is in the preceding and following a mark, for example for checking a register and/or a register and/or preferably for aligning the at least one sheet 02 in the transport direction T and/or in the transverse direction A.
- At least one stack 12 of sheets 02 also referred to as a substrate stack 12, preferably has a large number of sheets 02, in particular the at least one sheet 02 and, in addition, a large number of other sheets 02.
- the at least one stack 12 preferably comprises at least 1,000 (one thousand) sheets 02, preferably at least 2,000 (two thousand) sheets 02, and additionally or alternatively preferably a maximum of 15,000 (fifteen thousand) sheets 02, more preferably a maximum of 10,000 (ten thousand) sheets 02, more preferably a maximum of 8,000 (eight thousand) sheets 02.
- the at least one stack 12 has a height of at least 100 mm (one hundred millimeters), preferably at least 200 mm (two hundred millimeters), more preferably at least 300 mm (three hundred millimeters) and additionally or alternatively a maximum of 3,000 mm (three thousand millimeters), preferably a maximum of 2,500 mm (two thousand five hundred millimeters), more preferably a maximum of 2,000 mm (two thousand millimeters), more preferably a maximum of 1,600 mm (one thousand six hundred millimeters), more preferably a maximum of 1,300 mm ( one thousand three hundred millimeters), on.
- the at least one stack 12 preferably comprises at least two partial stacks 13 of sheets 02, preferably at least four partial stacks 13, more preferably at least eight partial stacks 13.
- a ream 13 can be understood as a packaging unit of plano paper of the same type, i.e. unfolded, unrolled paper in sheets or sheets 02.
- the ream 13 preferably comprises at least 50 (fifty) sheets 02, more preferably at least 200 (two hundred) sheets 02, more preferably at least 400 (four hundred) sheets 02, and additionally or alternatively preferably a maximum of 700 (seven hundred) sheets 02, more preferably a maximum of 600 (six hundred) sheets 02, more preferably a maximum of 500 (five hundred) sheets 02.
- the at least a partial stack 13 has a height of at least 5 mm (five millimeters), preferably at least 10 mm (ten millimeters), and additionally or alternatively a height of at most 400 mm (four hundred millimeters), preferably at most 300 mm (three hundred millimeters). preferably of a maximum of 200 mm (two hundred millimetres).
- a blank stack 14 and/or delivery stack 14 preferably includes a number of blanks 03 that corresponds to the number of sheets 02 in a stack 12.
- the at least one blank stack 14 preferably has a maximum height of 2,000 mm (two thousand millimeters), more preferably a maximum of 1,600 mm (one thousand six hundred millimeters), more preferably a maximum of 1,300 mm (one thousand three hundred millimeters).
- a partial blank stack 16 preferably comprises a number of blanks 03 that corresponds to the number of sheets 02 in a partial stack 13.
- a machine direction B is preferably a direction B which points from a first unit 100 of processing machine 01 to a last unit 700 and/or 1400 of processing machine 01.
- the machine direction B points from a unit 100, in particular a first unit 100 embodied as a feeder unit 100, to a last unit 700, in particular a unit 700 embodied as a sheet delivery unit 700, and/or to a last unit 1400, in particular one used as a delivery unit or Panel 1400 configured unit 1400.
- the machine direction B is preferably a horizontal direction B.
- the transverse direction A is preferably a horizontally extending direction A.
- the transverse direction A is oriented orthogonally to the machine direction B.
- the transverse direction A is preferably oriented from an operator side of the processing machine 01 to a drive side of the processing machine 01.
- a vertical direction V is preferably that direction V which is orthogonal to a Plane spanned by the machine direction B and the transverse direction A is arranged.
- the vertical direction V is preferably perpendicular from below and/or from a base of processing machine 01 and/or from a lowermost component of processing machine 01 upwards and/or to an uppermost component of processing machine 01 and/or to an uppermost cover of processing machine 01 oriented.
- the operator side of processing machine 01 is preferably that side of processing machine 01 parallel to machine direction B from which an operator can access the individual units 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 of processing machine 01, for example during maintenance work and/or changing at least one shaping tool.
- the drive side of processing machine 01 is preferably that side of processing machine 01 parallel to machine direction B that is opposite the operator side.
- the drive side preferably has at least parts, preferably at least a large part, of a drive system. For example, an operator can at least temporarily access the individual units 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 on the drive side adjusted and/or installed by at least one component of processing machine 01.
- the spatial area provided for the transport of the at least one substrate 02 within the processing machine 01, which the substrate 02 occupies at least temporarily when it is present, is the transport path.
- the transport direction T is preferably a direction T in which the at least one substrate 02 is transported if it is present at any point along the transport path.
- the transport direction T preferably points in the direction T in which the at least one substrate 02 is moved, apart from vertical movements or vertical components of movements is transported.
- the transport direction T within a unit 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 in the direction T which starts from a first contact of the at least one substrate 02 with this unit 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 to a final contact of the substrate 02 with this unit 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400 points.
- the working width is the maximum width that the at least one substrate 02 may have in order to pass through the at least one unit 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400, in particular the respective units 100; 200; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; 1400, of the processing machine 01 and/or in order to still be able to work with the at least one shaping unit 300; 400; 500; 600 of the processing machine 01 to be able to be processed.
- This therefore corresponds to the maximum with the at least one shaping unit 300; 400; 500; 600 of the at least one substrate 02 that can be processed by processing machine 01.
- the working width of processing machine 01 is preferably at least 30 cm (thirty centimetres), more preferably at least 50 cm (fifty centimetres), even more preferably at least 80 cm (eighty centimetres), more preferably at least 120 cm (one hundred and twenty centimetres) and even more preferably at least 150 cm (one hundred and fifty centimetres).
- Processing machine 01 preferably comprises at least one unit 100 configured as a feeder unit 100.
- Feeder unit 100 is preferably configured as a feeder, more preferably as a sheet feeder, more preferably as a sheet feeder unit.
- the feeder unit 100 is preferably embodied as the first unit 100 of the processing machine 01 in the transport direction T.
- Feeder unit 100 is preferably configured to feed the at least one sheet 02 onto the transport path of processing machine 01 and/or the at least one sheet 02 to at least one dem Feeder unit 100 downstream unit 200 in the transport direction T; 300; 400; 500; 600; 700; 800; 900; 1000; 1100; 1200; Trained to feed 1400.
- At least one unit 200 embodied as a feed unit 200 is preferably arranged downstream of the at least one feeder unit 100 in the transport direction T.
- the at least one feed unit 200 is preferably the at least one sheet 02, preferably the at least two sheets 02, more preferably a large number of sheets 02, preferably sequentially to the at least one shaping unit 300; 400; 500; Trained to supply 600.
- the at least one infeed unit 200 preferably has at least one device for detecting the at least one sheet 02.
- the at least one sheet 02 can preferably be aligned at least partially, preferably completely, by the at least one feed unit 200 with regard to its position in the transport direction T and/or in the transverse direction A.
- the at least one feeder unit 100 and preferably also after the at least one feeder unit 200 there is preferably at least one, preferably at least two, more preferably at least three, more preferably at least four, for example exactly four, each as a shaping unit 300; 400; 500; 600 trained unit 300; 400; 500; 600 arranged.
- the at least one shaping unit 300; 400; 500; 600 at least one shaping plant, preferably exactly one shaping plant.
- the at least one shaping unit is preferably designed as at least one embossing unit and/or at least one creasing unit and/or at least one stamping unit, more preferably as a rotary stamping unit, and/or at least one stripping unit.
- At least one of the shaping units 300; 400; 500; 600 at least one shaping unit, preferably at least one embossing unit and/or at least one creasing unit and/or at least one stamping unit and/or at least one stripping unit.
- the corresponding unit 300; 400; 500; 600 is then preferably designed as a punching unit and/or creasing unit and/or embossing unit and/or stripping unit.
- At least one is preferred shaping unit 300; 400; 500; 600 by punching and/or cutting and/or perforating and/or scribing and/or embossing and/or grooving the at least one sheet 02.
- the at least one shaping unit 300; 400; 500; 600 by removing at least one remnant piece 04 embodied as waste piece 04 from the at least one sheet 02.
- the at least one shaping unit 300; 400; 500; 600 preferably the at least one shaping unit of the shaping unit 300; 400; 500; 600, at least one preferably one forme cylinder and at least one impression cylinder.
- the at least one forme cylinder and/or the at least one impression cylinder is preferably designed as a magnetic cylinder and/or has at least one packing or processing tool 301, preferably at least one packing with at least one tool 301 or
- the at least one forme cylinder and the at least one impression cylinder are preferably configured together to form at least one, preferably precisely one, shaping point.
- the shaping point is preferably that area in which the at least one forme cylinder on the one hand and the at least one impression cylinder on the other hand are closest to each other.
- the at least one shaping unit 300; 400; 500; 600, preferably the at least one shaping unit, more preferably the at least one forme cylinder, preferably has at least one tool 301 or processing tool 301.
- the at least one tool 301 is preferably arranged in the area of the shaping point in direct contact with the impression cylinder, for example designed to touch it at least when the at least one sheet 02 is absent.
- the at least one sheet 02 which is produced by the at least one shaping unit 300; 400; 500; 600 is processed, ie which on the transport path in the transport direction T after the at least one shaping unit 300; 400; 500; 600 is arranged, preferably has at least one punched indentation.
- the at least one punch impression is formed, for example, as a groove and/or score and/or embossing and/or cut and/or perforation and/or crack and/or as a piece of waste 04 that has broken off.
- the at least one punched indentation is at least partially the at least one copy 03 of the at least one remnant piece 04; 05; 06 and/or separated from the at least one additional copy 03 of the at least one sheet 02.
- the at least one sheet 02 which is produced by the at least one shaping unit 300; 400; 500; 600 is processed, ie which on the transport path in the transport direction T after the at least one shaping unit 300; 400; 500; 600, the at least one panel 03, preferably at least two panels 03, more preferably at least four panels 03; more preferably at least eight copies 03, and at least one leftover piece 04; 05; 06 on.
- the delivery unit 700 has at least one chain conveyor system, for example with gripper bridges.
- the at least one delivery unit 700 is embodied as a sheet delivery 700.
- the at least one sheet delivery 700 is preferably configured to deposit the at least one sheet 02 on at least one stacking support 17, for example at least one as a pallet 17 or a stacking support 17 designed as a conveyor belt or some other type of stacking support.
- the at least one sheet delivery 700 is preferably configured to form at least one stack 12 of sheets 02 or at least one partial stack 13 of sheets 02, preferably on the at least one stack support 17.
- the stack 12 or the partial stack 13 preferably comprises at least one sheet 02 and more, preferably a plurality of, sheets 02.
- In the transport direction T after the at least one sheet delivery 700, there is preferably at least one transport system 800; 900; 1000, preferably as transfer transport system 800; 900; 1000, trained aggregate 800; 900; 1000 arranged.
- the at least one transfer transport system 800 is preferred; 900; 1000 the at least one sheet 02 and preferably additional sheets 02, preferably the at least one stack 12 or the at least one partial stack 13, from the at least one sheet delivery 700 to the at least one unit 1100 downstream in transport direction T; 1200; 1400 trained to transport.
- the at least one transfer transport system 800; 900; 1000 and/or at least one unit 1100 configured as an intermediate alignment unit 1100 is arranged in front of at least one unit 1200 configured as at least one blank separation unit 1200.
- the at least one intermediate alignment 1100 is preferably configured to align and/or loosen the at least one partial stack 13, which preferably comprises the at least one sheet 02 and additional sheets 02.
- the at least one intermediate alignment 1100 preferably has at least one stop, preferably at least two stops, against which the at least one partial stack 13 is aligned.
- unit 1200 in particular unit 1200 embodied as at least one blank separation unit 1200, blanks 03 are removed from offcuts 04; 05; 06, preferably the remaining pieces 05; 06, separated.
- the remaining pieces 04; 05; 06 of the panels 03 in partial stacks and/or in reams.
- the panel 03 and/or offcuts 04; 05; 06 especially depending on the size of the remaining pieces 04; 05; 06, remnants 04; 05; 06, usually in an upstream shaping unit 300; 400; 500; 600, in particular the stripping unit, are removed in which at least one blank separation unit 1200 is removed.
- the at least one blanking unit 1200 preferably has at least one blanking unit 1201 and at least one configured as a conveyor belt 1202 Support element 1202 on.
- the at least one blank separating mechanism 1201 generates and/or causes a shearing movement with a shearing force between blank 03, in particular partial blank stack 16 embodied as blank partial stacks 16, and remnants 04; 05; 06, in particular the stacks of remnants 04; 05; 06.
- the remaining pieces 04; 05; 06 is transported away from the at least one depaneling unit 1200 after the separation process and, for example, conveyed into a waste container 51 and/or into a shredding device 51.
- At least one delivery unit 1400 is preferably arranged downstream of the at least one blank separation unit 1200.
- at least one, preferably at least two, more preferably at least four, more preferably at least eight, partial blank stacks 16 are transported by means of at least one transport means 1401, for example at least one rake 1401, from blank separation unit 1200 into the at least one delivery unit 1400.
- the at least one, preferably at least two, more preferably at least four, more preferably at least eight, blank partial stacks 16 are collected on at least one stack base 17, preferably at least one pallet 17, and/or are formed into at least one blank stack 14 and/or delivery stack 14 stacked.
- such a stack of blanks 14 comprises at least two, more preferably at least four, more preferably at least eight, partial stacks 16 of blanks.
- a sheet 02 is preferably inserted between each partial stack of blanks 16 as an intermediate sheet 02 to increase stability.
- the at least one shaping unit is preferably at least one shaping unit 300; 400; 500; 600 of the shaping aggregates 300; 400; 500; 600 designed as an embossing plant.
- the shaping unit 300; 400; 500; 600 has the at least one forme cylinder designed as a punching cylinder.
- the at least one embossing unit is preferably at least one relief embossing and/or at least one Braille embossing on the designed to produce at least one arc 02.
- the at least one embossing is preferably either raised or lowered in relation to the area surrounding the surface of sheet 02.
- the at least one forme cylinder is designed to produce both at least one raised and at least one recessed relief embossing.
- different relief embossings produced by the at least one embossing unit have different heights on the surface of the at least one sheet 02.
- the at least one shaping unit is at least one shaping unit 300; 400; 500; 600 of the shaping aggregates 300; 400; 500; 600 designed as a creasing mechanism.
- the shaping unit designed as a creasing unit is preferably designed to crease the at least one sheet 02.
- the creasing unit is configured to punch and/or score and/or perforate and/or emboss the at least one sheet 02.
- the at least one creasing unit is preferably designed to produce at least one fold, for example for at least one fold.
- the at least one shaping unit is at least one shaping unit 300; 400; 500; 600 of the shaping aggregates 300; 400; 500; 600 designed as a stamping plant.
- the shaping unit configured as a stamping unit is preferably configured to punch and/or perforate and/or score the at least one sheet 02.
- the at least one shaping unit is at least one shaping unit 300; 400; 500; 600 of the shaping aggregates 300; 400; 500; 600 as a punching unit with at least one suction device, preferably a hole suction device.
- the shaping unit which is designed as a stamping unit with at least one suction device, is preferably configured to punch and/or perforate and/or score the at least one sheet 02, with at least one piece of waste 04 being removed from the at least one sheet 02 at the same time.
- At least one waste piece 04 is completely separated from the at least one sheet 02 as a result of the processing in the at least one forming unit and is held on the forme cylinder with air, preferably suction air, and blown into at least one suction box of the forming unit.
- waste pieces 04 that cannot be removed by further processing steps for example, and/or that have a maximum area of 0.25 cm2 (zero point two five square centimeters), for example, can be removed from the at least one sheet 02.
- the processing machine 01 preferably has at least one shaping unit 300 with at least one punching unit with at least one suction device.
- the at least one shaping unit is at least one shaping unit 300; 400; 500; 600 of the shaping aggregates 300; 400; 500; 600 designed as a demolition work.
- the shaping unit configured as a stripping unit is preferably configured to remove at least one piece of waste 04, preferably at least two pieces of waste 04, more preferably at least four pieces of waste 04, more preferably a large number of pieces of waste 04, from the at least one sheet 02, preferably by breaking it out and/or sucking it off.
- the processing machine 01 has at least one shaping unit 400 with at least one stamping unit and, for example, an additional shaping unit 300 upstream of this shaping unit 400 with at least one stamping unit with at least one, particularly in the case of the production of at least one label, for example at least one label for a plastic packaging suction on.
- the shaping unit 400 with the at least one stamping unit that is to say in particular without a further shaping unit 300; 400; 500; 600 in between, the at least one sheet delivery 700 arranged.
- the processing machine 01 has at least one shaping unit 400 with at least one stamping unit and, for example, an additional shaping unit 300 with at least one stamping unit that is upstream of this shaping unit 400, particularly if at least one additional label is to be produced, for example at least one label made of paper at least one suction.
- at least one shaping unit 300 with at least one creasing unit or with at least one embossing unit is arranged upstream of the at least one shaping unit 400 with the at least one stamping unit.
- the shaping unit 400 with the at least one stamping unit that is to say in particular without a further shaping unit 300; 400; 500; 600 in between, the at least one sheet delivery 700 arranged.
- the processing machine 01 has at least three shaping units 300; 400; 500; 600 on.
- the first shaping unit 300 preferably has at least one embossing unit or creasing unit. If the embossing unit is present, it is preferably arranged in the first shaping unit 300 in front of the second shaping unit 400, which has the creasing unit.
- After the at least one shaping unit 300; 400 for example the first or second shaping unit 300; 400, preferably followed by a shaping unit 400; 500 with at least one punching unit.
- the third or fourth shaping unit 500; 600 at least one stripping mechanism.
- the shaping unit is preferably 500; 600 with the at least one stripping unit directly following the shaping unit 400; 500 arranged with the at least one stamping unit, in particular without a further shaping unit 300; 400; 500; 600 in between.
- the at least one sheet delivery 700 is arranged.
- Sheet processing machine 01 comprises at least one makeready device 350.
- the at least one makeready device 350 preferably includes at least one support surface 351.
- the at least one support surface 351 is preferably horizontal or preferably has a slight incline, in particular less than 45°, relative to a horizontal plane oriented.
- the at least one device for dressing 350 is preferably arranged in a way that is coupled to a digital processing contour 356 of the processing tool 301 in terms of data technology.
- a digital processing contour 356 is preferably a layout and/or contour obtained from a digital preliminary processing step, from which the processing tool 301 was previously produced.
- a digital processing contour 356 can be created, for example, by scanning and/or recording the contour of the processing tool 301.
- a digital preliminary stage file, in particular a digital preliminary stage file of a machining tool 301 can preferably be called up by means of the at least one device for trimming 350 and can be used in particular for the trimming.
- the digital preliminary file is used to produce a machining tool 301, for example using a CNC milling machine.
- the digital processing contour 356 in the dressing device 350 is used for the dressing.
- areas where a processing tool 301 has to be prepared are marked, for example by at least one marking 357 in the digital processing contour 356.
- At least one marking 357 defines at least one dressing point 358 in connection with the digital processing contour 356.
- trimming stations 358 are thereby identified.
- Areas where a processing tool 301 has to be trimmed are determined by inspecting a test sheet and/or inspecting the processing contour of the processing tool 301, preferably by means of an inspection device and/or by assessment by an operator. More preferably with the at least a device for trimming 350, an input device 360 and/or a display device 359 are arranged in an operative connection.
- This optical input device 360 and/or display device 359 can be, for example, a mobile device, for example a tablet, or a stationary computer, for example a control station with a touch display 360, for example.
- the digital processing contour 356, for example from a preliminary stage, can be displayed on such an optical input device 360 and/or display device 359, and additional markings 357 can be entered, for example.
- the at least one dressing device 350 has at least one display device 359 and/or input device 360 for displaying the digital processing contour 356 and/or for entering markings 357 in the digital processing contour 356.
- the markings 357 can be projected together with the machining contour onto the support surface 351 and/or onto the back of the machining tool 301 by means of at least one projection device 353.
- the at least one dressing device 350 preferably has at least one projection device 353.
- the markings 357, the processing contour and/or the cutting contour can now be trimmed and/or reworked using the trimming means 361.
- Processing contours lying in the markings 357 are points that are to be trimmed and/or must be trimmed. These locations are referred to as trimming locations 358 below.
- the at least one marking 357 in conjunction with the digital processing contour 356 preferably defines at least one dressing point 358.
- a test sheet can be used to identify the points at which the processing result, in particular the punching result, is not ideal. To do this, an operator can remove a sample sheet from the machine and inspect it at a control station, for example.
- a touch display 359 can be used to mark the areas where improvements need to be made.
- Insufficient punching result or processing result results from errors and/or deviations in the manufacture of processing tool 301 or as a result of wear and tear in processing machine 01.
- the errors are compensated for at dressing points 358 using at least one dressing means 361.
- the at least one trimming means 361 compensates for errors and/or deviations in the tool geometry. In particular, this means errors and/or deviations of the machining tool 301 due to inaccuracies in production and/or due to wear and tear during production. Differences in height and/or unevenness as a result of these errors and/or deviations must be compensated for or reworked by the at least one adjustment means 361. To this end, the at least one finishing means 361 is applied and/or applied to the processing tool.
- the at least one processing tool preferably has at least one point at which the at least one dressing means 361 must be and/or is applied.
- Such an area and/or such a point is referred to below as the dressing point 358 and comprises, for example, a few millimeters up to several centimeters.
- a dressing point 358 preferably designates a point at which dressing means 361 is present and/or is to be applied and which is not connected to another dressing point 358 with dressing means 361.
- the digital processing contour 356 with the associated markings 357 can now be further processed in different ways. For example, manual trimming can be done with a supporting projection or further automated with positioning arms or fully automatic solutions.
- the at least one dressing device 350 preferably has side edges 355 and/or side walls 355. Side edges 355 preferably surround at least one side, more preferably three sides, of support surface 351.
- the at least one support surface 351 preferably has at least one alignment device 352, preferably one dowel pin 352, more preferably two dowel pins 352, for supporting machining tool 301.
- by the at least one viewing device 352 aligns a processing tool 301 on support surface 351.
- the at least one machining tool 301 preferably has at least one dowel pin hole 303.
- Two tabs 302 are preferably arranged on the at least one machining tool 301, on which the at least one dowel pin hole 303 is arranged and/or has space.
- the dowel pin hole 303 can thus be arranged outside the processing surface and accordingly does not impair the processing or punching result.
- the processing tool 301 is preferably placed on the support surface 351 with the rear side and/or the side facing away from the processing contour. Trimming accordingly takes place on the back of the machining tool 301 and/or on the side facing away from the machining contour.
- an agent is applied to the back in order to compensate for differences in geometry of the tool, for example on the front in the machining contour.
- the finishing agent 361 is applied to the rear side and/or the side facing away from the processing contour.
- the relative distance of the processing tool 301 from a processing cylinder or, in the case of a flat-bed punch, from a punching platen is adjusted. This reacts to inaccuracies in the processing result, for example the punching result. Any unevenness on the cylinder can also be compensated for in this way.
- the at least one dressing device 350 preferably also comprises at least one projection device 353.
- at least one projection device 353 is arranged in the vertical direction V above the bearing surface 351.
- the at least one projection device 353 is preferably embodied as a projector 353 and/or beamer 353.
- the at least one projection device 353 is arranged on one of the side edges 355.
- the at least one projection device 353 is then arranged only just above the bearing surface 353 and a projection 356 can then be arranged projecting onto the bearing surface 351 from the side and/or from an inclined position.
- the at least one projection device 353 is embodied as a short-distance projector 353.
- the at least one projection device 353 is arranged and/or can project a projection onto the support surface 351 and/or in particular onto the rear side of the at least one machining tool 301.
- a projection device 353 projects a machining contour and/or a cutting contour of the front side of the machining tool 301 onto the rear side.
- markings 357 can be projected around trimming points 358 of a machining tool 301, for example.
- the at least one preparation device 350 is integrated in a control station of processing machine 01.
- At least the at least one projection device 353 is arranged to retrieve the digital processing contour and is arranged to project it onto support surface 351 by means of the at least one digital processing contour and/or cutting contour.
- the projection device 353 is arranged by means of the digital processing contour 356 to project at least parts of the processing contour 356 onto the bearing surface 351 and/or, if the processing tool 301 is present, onto the at least one processing tool 301, in particular the rear side.
- the at least one projection device 353 is also arranged to project the markings 357 onto the support surface 351 and/or onto the at least one machining tool 301 if the machining tool 301 is present.
- the at least one projection device 353 is operatively connected to a computer and/or a controller.
- at least one computer is operatively connected to a digital prepress file, in particular a digital prepress file, and/or arranged so that it can be called up.
- the at least one projection device is arranged to project at least the digital pre-punch contour onto support surface 351. On-hook processing tool, the processing contour and/or the cutting contour is projected onto the back so that it matches the front. In particular, an operator can then easily prepare the processing tool 301 and apply the preparation means 361 to the appropriate preparation points 358 .
- At least one agent that is liquid when applied is used as the dressing agent 361 .
- the finishing agent 361 is applied to the processing tool 301 .
- the finishing agent 361 is applied, preferably directly, between the finished processing tool 301 and the punching cylinder.
- the trimming means 361 is then arranged in contact with the rear side of the processing tool and the punching cylinder.
- the meanwhile hard dressing material exerts a force on the machining tool 301 and thus indirectly causes a change in the height of the cutting edge of the machining tool 301 in the radial direction relative to a punching cylinder.
- the finishing agent 361 is preferably a curable and/or dryable agent. Such a finishing agent 361 can preferably be cured and/or dried by means of a chemical crosslinking reaction.
- the at least one finishing agent 361 in the liquid state is preferably a paint and/or paint mixture that can be converted into a solid state through crosslinking reactions.
- hardening refers to a chemical structural change in the dressing agent 361 .
- the at least one finishing agent 361 is applied in a liquid state to each finishing point 358 and preferably cured and/or dried after application, preferably by means of radiation, more preferably by means of UV radiation.
- the at least one chemical crosslinking reaction as a result of which curing and/or drying takes place, can be initiated by means of UV radiation. Such a process and/or reaction is commonly referred to as photopolymerization.
- the finishing agent 358 and/or the UV coating becomes very hard and scratch-resistant and repeated application is possible in order to achieve greater layer thicknesses.
- the dressing means 361 can be dried in a simple manner by irradiating the entire surface of the machining tool.
- the at least one dressing device 350 has at least one blasting device 354, more preferably several, in particular two or four, blasting devices 354.
- the at least one blasting device 354 is preferably arranged to blast onto support surface 351.
- the jet device 354 is arranged in a bar which preferably covers the entire width of the support surface.
- the at least one blasting device 354 can be moved, for example via a rolling device, preferably over the entire length of the support surface.
- the at least one jet device 354 has a flat design and is arranged in a folding device 365. This can be closed and is then arranged parallel to the support surface 351 .
- the at least one blasting device 354 then preferably blasts the entire support surface 351 at once.
- several folding devices 365 are arranged on the dressing device 350 and these cover different zones of the support surface 351 . When the folding device 365 is folded in, the supporting surface 351 underneath is covered and this respective zone of the supporting surface 351 is irradiated by the at least one radiation device 354 .
- the at least one beam device 354 is preferably embodied as a UV beam device 354, in particular a UV LED beam device 354, and is arranged to emit UV radiation.
- the at least one finishing agent 361 is preferably applied using a pen 362, preferably a touch-up pen 362, more preferably a UV touch-up pen 362.
- a Pen 362 preferably has a reservoir and a felt tip 364 .
- the dressing material 361 is conveyed from the storage container 363 to the at least one dressing point 361 via the felt tip 364, preferably by pressing on the pin 362.
- Each dressing point 358 at which the at least one curable and/or dryable dressing agent 361 is used has at least one layer.
- a layer thickness with a single application is between 5 and 15 ⁇ m and thus corresponds to the necessary accuracy when preparing processing tools 301 in rotary or flat processing methods.
- a layer thickness can be set more precisely via a mixing ratio of the at least one finishing agent 361, in particular the paint mixture.
- the at least one finishing agent 361 differs in the alcohol content and the thick tolerances after drying.
- the thinnest layer with a comparatively high alcohol content results in a layer thickness of approx. 5 ⁇ m when applied once and is therefore exactly sufficient.
- Layer thickness could be increased by reducing the alcohol content.
- the at least one actuating arm is arranged so that it can move over the support surface 351 of the dressing device 350.
- the at least one actuating arm is preferably arranged such that it can be controlled by means of digital processing contour 356 and markings 357. For example, such an actuator arm holds the pin
- the controller 362 uses a controller to apply the dressing means 361 to the appropriate dressing points 358 by using a controller to store the data of the processing culture in be processed in conjunction with the markers 357 and converted into provides signals for the actuator arm.
- the actuating arm then applies the finishing means 361 to the finishing points 358 without action and/or automatically.
- the positioning arm has a nozzle from which dressing agent 361 can be applied directly.
- the pin 362 can be dispensed with and the dressing agent 361 is pumped from a tank, for example, directly to the nozzle of the actuating arm and discharged there in a metered manner onto the at least one dressing test point 358.
- a projection device 353 can preferably be dispensed with in this embodiment.
- the points that need to be trimmed can be recognized on the processing tool 301 using a mobile device.
- a preview of the processing contour and/or the cutting contour can be transmitted to the mobile end device by means of the digital pre-processing stage, so that an operator can then mark post-processing points there.
- the data and/or markings 357 can then be transmitted to the preparation device.
- a processing machine 01 has a semi-automatic and/or fully automatic tool changer.
- the device for trimming is then arranged in operative connection with an automatic plate changing machine.
- a device for dressing 350 can be integrated into such a tool changing machine.
- the dressing agent 361 is preferably applied after the processing tool 301 has been discharged from a plate changing device. For example, this can cover the dressing points 358 with dressing 361 and/or apply the dressing 361 fully automatically.
- a controlled actuating arm can also be used here.
- the finishing means 361 is preferably in a shaping unit 300; 400; 500; 600 applied.
- the dressing device is at least partially integrated into a shaping unit 300; 400; 500; 600 integrated.
- the processing machine has an inspection device for inspecting the processing result. Then there is no need to mark the processing contour from the digital pre-processing stage.
- the machining tool 301 can then be prepared fully automatically. In addition to the process steps already mentioned, the step-by-step preparation process is described below.
- a processing tool 301 is prepared in a process comprising several steps.
- trimming refers in particular to reworking and/or compensating for errors and/or deviations in the tool geometry using at least one trimming means 361.
- the points on the machining tool 301 that need to be trimmed must first be identified.
- a test sheet is processed, in particular punched, for this purpose.
- An operator and/or an inspection device assess the processing result based on this test sheet or based on a processing contour of processing tool 301.
- the at least one preparation device 350 preferably has at least one inspection device for inspecting a test sheet and/or the processing contour of processing tool 301. Errors in the machining result are attributed to locations on the machining tool 301 .
- this is preferably done using a digital display on which the machining contour of the machining tool 301 is displayed using data from the digital preliminary stage.
- markings 357 mark places, in particular trimming points 358, in which the machining result is unsatisfactory.
- errors in the processing tool 301 can also be detected directly by being ejected from the processing machine 01 in an automatic plate changing machine, for example.
- This embodiment preferably has a support surface 351, since the liquid dressing agent 361 must be applied horizontally. Alternatively, the finishing agent 361 would have to be cured very quickly using the blasting device 354 .
- the digital processing contour 356 is preferably stored with the marked dressing points 358 and can be called up again at any time, for example if the dressing means 361 becomes detached over time.
- the hardened dressing agent 361 can be easily removed from the back of the processing tool 301 by means of a spatula.
- the finishing agent 361 is a dryable agent such as a dispersion consisting of a disperse phase and a dispersion medium.
- the dispersion particularly preferably has a proportion of the dispersion medium of at least 50%, more preferably at least 60%, even more preferably at least 70%, or more.
- a volatile solvent is preferably used as the dispersion medium.
- a volatility of substances is often given in reference to a vapor pressure of diethyl ether. More preferably, a volatility is given as an evaporation number according to DIN 53170.
- the time in which a substance evaporates completely is related to the time that diethyl ether needs to evaporate.
- a high evaporation rate means relatively slow evaporation, i.e. low volatility.
- a low evaporation number means faster evaporation, i.e. a relatively high volatility.
- particularly preferred solvents are those which have an evaporation number of less than 10. In particular, the use of volatile solvents ensures a short drying time.
- solvents from the group of ketones as the solvent for the dispersion. These frequently have evaporation numbers between 1 and 5, more preferably between 2 and 3.
- a preferred solvent is, for example, acetone and/or butanone (often methyl ethyl ketone, MEK for short). Acetone and butanone are characterized by their high availability. Methyl ethyl ketone typically has an evaporation number of 2.7 and acetone 2.1.
- the dispersion has a proportion of at least 50%, more preferably at least 60%, even more preferably at least 70% methyl ethyl ketone.
- the dispersion preferably has a butanone concentration of 60-75 percent by weight. More preferably, the dispersion additionally has a 5-10% by weight of acetone.
- the dispersion can also have a proportion, preferably less than 5%, of 1-methoxy-2-propanol.
- the disperse phase preferably consists of finely divided solid particles.
- Such particles are preferably in the form of pigments, in particular colored pigments.
- the pigments are preferably those which are used in inks and in particular in inkjet inks and contribute to the coloring.
- soot particles are used as pigments. Soot particles are characterized by their high availability. In particular, carbon black is the most common black pigment. Depending on the color of the dispersion or ink, other pigments are used.
- the dispersion is more preferably an ink, in particular an inkjet ink.
- Inkjet inks in particular have a high proportion of volatile solvents and/or volatile solvents. Mainly, such inks have volatile ketones as solvents. Furthermore, solid pigments are finely distributed in the inks. These remain after the solvent has evaporated.
- a particularly suitable ink and/or dispersion has a butanone content of between 60% and 75%. Additionally such an ink has solid particles. These are often coloring pigments, like carbon black in black ink.
- Such inks, in particular inkjet inks are particularly suitable as finishing agents. After the solvents have evaporated, the solids remain. These solids then form a layer of thickness that can be used for trimming.
- a layer thickness of between 2 micrometers and 15 micrometers is preferred. This layer is scratch resistant, heat resistant and pressure resistant. The layer preferably has approx. 4-5 micrometers with each application. A dressing thickness of between 4 and 15 micrometers can then be easily achieved by repeated application.
- the dispersion is applied to the dressing area 358 for dressing, preferably by means of the pen 362.
- the dispersion is applied directly to the back of the processing tool 301.
- the highly volatile solvents of the dispersion evaporate in a short time and a layer with a layer thickness remains. This happens in a few minutes, preferably less than 30 seconds.
- the inkjet ink described above is preferably used for the makeready.
- a particular advantage of using ink is that existing inkjet systems can be used for makeready. This makes it particularly easy to automate the makeready. Only an inkjet printing system has to be arranged over the contact surface 358, without major adjustments, and makeready can be done in a simple manner using the digital prepress file.
- a manually and/or automatically controllable inkjet printing system is used.
- such an inkjet printing system can include a continued inkjet print head or have droplet-by-drop ejection.
- the inkjet head can be controlled manually and guided to the desired position or integrated into the PLC of the punching machine via a fully automatically driven x-y axis with a rotating head.
- the operator would mark the positions on the control station that are to be trimmed must. The corresponding area can then be scanned with the print head.
- Projection equipment projector, beamer, short-distance beamer
- UV beam device UV LED beam device
- depaneling unit device for depaneling
Landscapes
- 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)
- Making Paper Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021100380.6A DE102021100380A1 (de) | 2021-01-12 | 2021-01-12 | Bearbeitungswerkzeug einer Bearbeitungsmaschine und Verfahren zum Zurichten eines Bearbeitungswerkzeugs |
| DE102021127500.8A DE102021127500B3 (de) | 2021-10-22 | 2021-10-22 | Bearbeitungswerkzeug einer Bearbeitungsmaschine und Verfahren zum Zurichten eines Bearbeitungswerkzeugs |
| PCT/EP2021/079603 WO2022152419A1 (de) | 2021-01-12 | 2021-10-26 | Bearbeitungswerkzeug einer bearbeitungsmaschine und verfahren zum zurichten eines bearbeitungswerkzeugs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4182134A1 true EP4182134A1 (de) | 2023-05-24 |
| EP4182134B1 EP4182134B1 (de) | 2024-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21801087.4A Active EP4182134B1 (de) | 2021-01-12 | 2021-10-26 | Bearbeitungswerkzeug einer bearbeitungsmaschine und verfahren zum zurichten eines bearbeitungswerkzeugs |
Country Status (2)
| Country | Link |
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| EP (1) | EP4182134B1 (de) |
| WO (1) | WO2022152419A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023132700A1 (de) * | 2023-11-23 | 2025-05-28 | Koenig & Bauer Ag | Verfahren zum rotativen Stanzen eines Substrats in einer Arbeitsstation und Verfahren zur Herstellung eines Stanzwerkzeugs |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023129308B3 (de) * | 2023-10-25 | 2024-11-14 | Koenig & Bauer Ag | Verfahren zum Verarbeiten von bogenförmigen Substraten |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH680842A5 (de) * | 1989-09-22 | 1992-11-30 | Electro Optic Ag | |
| DE102009056169A1 (de) | 2009-11-27 | 2011-06-01 | Heidelberger Druckmaschinen Ag | Verfahren zum Zurichten von Werkzeugen |
| DE102012017636A1 (de) | 2012-09-06 | 2013-11-07 | Heidelberger Druckmaschinen Ag | Verfahren zum Bestimmen des Zurichtbedarfs und Verfahren zum Erstellen eines Zurichtbogens |
| DE202013100883U1 (de) | 2013-03-01 | 2013-03-13 | Karl Marbach Gmbh & Co. Kg | Zurichtebogen für ein Bandstahl-Stanzwerkzeug |
| CN108472825B (zh) | 2015-11-23 | 2020-03-24 | 柯尼格及包尔公开股份有限公司 | 用于处理基材的装置和方法 |
| EP3342568B1 (de) | 2016-12-28 | 2019-08-21 | Fundacion Centro de Tecnologias de Interaccion Visual y Communicaciones VICOMTECH | Digital unterstützte kompensierung von fehlausrichtungen beim stanzen von pappe |
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2021
- 2021-10-26 EP EP21801087.4A patent/EP4182134B1/de active Active
- 2021-10-26 WO PCT/EP2021/079603 patent/WO2022152419A1/de not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023132700A1 (de) * | 2023-11-23 | 2025-05-28 | Koenig & Bauer Ag | Verfahren zum rotativen Stanzen eines Substrats in einer Arbeitsstation und Verfahren zur Herstellung eines Stanzwerkzeugs |
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| Publication number | Publication date |
|---|---|
| WO2022152419A1 (de) | 2022-07-21 |
| EP4182134B1 (de) | 2024-04-17 |
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