EP2039529A2 - Dispositif et procédé destinés à la production de plaques d'impression hélio multi-usage - Google Patents

Dispositif et procédé destinés à la production de plaques d'impression hélio multi-usage Download PDF

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Publication number
EP2039529A2
EP2039529A2 EP08015939A EP08015939A EP2039529A2 EP 2039529 A2 EP2039529 A2 EP 2039529A2 EP 08015939 A EP08015939 A EP 08015939A EP 08015939 A EP08015939 A EP 08015939A EP 2039529 A2 EP2039529 A2 EP 2039529A2
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EP
European Patent Office
Prior art keywords
cylindrical body
module
workpiece
processing module
carriage
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
Application number
EP08015939A
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German (de)
English (en)
Other versions
EP2039529A3 (fr
EP2039529B1 (fr
Inventor
Karlheinz Mayer
Roger Adamczyk
Thanh-Hao Huynh
Richard Widemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Priority to PL08015939T priority Critical patent/PL2039529T3/pl
Publication of EP2039529A2 publication Critical patent/EP2039529A2/fr
Publication of EP2039529A3 publication Critical patent/EP2039529A3/fr
Application granted granted Critical
Publication of EP2039529B1 publication Critical patent/EP2039529B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B3/00—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings
    • B44B3/04—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings wherein non-plane surfaces are worked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/045—Mechanical engraving heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam

Definitions

  • the invention relates to an apparatus and a method for the production of workpieces for the production of intaglio printing plates or for the production of a gravure printing plate.
  • the invention further relates to a device for producing multi-use intaglio printing plates.
  • the intaglio printing method is characterized in that in a gravure printing plate line or punctiform depressions are introduced, which are partially or completely filled with color.
  • a substrate such as paper
  • a substrate is pressed at high pressure into the wells of the intaglio printing plate, so that the ink is transferred to the substrate and the substrate is deformed.
  • intaglio printing plates such as are commonly used in the printing of high-quality printed products, such as securities, banknotes or the like
  • the artist engraved a two-dimensional image motif into a metal plate made of steel or copper with the help of a stylus in time-consuming manual work. Gravity gradations were represented by a different engraving depth and line density. Correction options for the artist, however, were extremely small in this process. In the case of damage or loss of this original plate, no identical original plate could be produced because each original plate an individual preparation was.
  • the intaglio printing plates were produced by multiple molding.
  • original plates can be produced by machine. That's how it is EP 1 578 604 A2 a milling or engraving machine for the production of original plates in the form of single-use known.
  • a device with at least three free axes is used for processing the original plate, which operate independently and preferably each driven by linear motors and moved on hydrostatic bearings.
  • Several components of the device are thermally stabilized.
  • a plurality of correction values can be determined and taken into account in the control of the immersion depth of the milling or engraving tool.
  • the final multi-use intaglio printing plate is produced by several impression and recombination steps. Finally, the flat intaglio printing plate is bent in such a way that it can be clamped in a cylinder-shaped printing cylinder.
  • a particular advantage of this sequence of multiple impressions is that a virtually unlimited number of intaglio printing plates can be molded from a single original plate, since the original plate is only very slightly worn or worn due to the majority of non-contact impression taking. For example, more than four intaglio printing plates can be molded from a single original plate.
  • the invention has for its object to provide an apparatus and a method for the production of intaglio printing plates, which avoids the disadvantages of the prior art.
  • the invention further comprises a workpiece for the production of intaglio printing plates or for the production of an intaglio printing plate, which has been produced with the device according to the invention, as well as the intaglio printing plate itself.
  • the device comprises at least one cylindrical body, such as a roller, with a circular base surface on which at least one workpiece to be machined can be fastened.
  • workpiece here and hereinafter includes the original plate, the working original and all other resulting during the molding Intermediate forms, which are also called “matrices”, as well as the intaglio printing plate.
  • At least one drive module rotates the cylindrical body about its axis of rotation back and forth, wherein at least one machining module removes at least portions of the workpiece.
  • the device comprises at least one second processing module which, like the first processing module, can remove or process at least partial areas of the workpiece.
  • the first and second processing modules have at least one of the following processing tools: a mechanical milling module for mechanical engraving, a laser module for laser engraving or a scoring module, such as a diamond cutting edge, for scoring or turning.
  • both processing modules can each have the same processing tools or different processing tools.
  • the first processing module can carry a laser module and the second processing module can carry a mechanical milling head.
  • the first processing module can carry a laser module and a mechanical milling head and the second processing module can carry a mechanical milling head and a diamond cutting edge.
  • the cylindrical body is rotated with the workpiece and the processing module is moved toward the workpiece, so that the processing module dips into the workpiece at the desired depth. If the intended length of the structure to be scratched is reached, the processing module is moved away from the workpiece again and emerges from the workpiece again.
  • cylindrical lens structures can be produced in the workpiece in the circumferential direction of the cylindrical body become.
  • the cylindrical body is rotated with the workpiece, with the processing module being moved toward the workpiece and moved longitudinally, i.e. in the direction of the workpiece. is moved in the x direction.
  • the diamond cutting edge is rotated in the direction of the resulting travel vector.
  • optical structures such as cylindrical or lenticular lenses, or micro-optical structures, such as blazed grating structures, diffractive grating structures, holograms, microlens structures, fresnel lens-like structures or so-called moiré magnification arrangements, or the corresponding negative forms, are produced in the workpiece.
  • micro-optical structures such as blazed grating structures, diffractive grating structures, holograms, microlens structures, fresnel lens-like structures or so-called moiré magnification arrangements, or the corresponding negative forms
  • Moiré magnification refers to a phenomenon that occurs when viewing a raster of identically repeated image objects through a lenticular of approximately the same pitch.
  • the periodicity length of the image objects and of the lenticular grid is, for example, between 3 ⁇ m and 50 ⁇ m.
  • the resulting moiré pattern represents an enlargement and rotation of the image objects of the image grid.
  • the cylindrical lenses can be used to make an optically variable element by passing a laser through the cylindrical lenses into the underlying substrate eg in the form of a blackening.
  • the laser introduces different information in different angular ranges, so that different information can be retrieved or read from the finished product from different angular ranges.
  • the multi-use work original is produced directly, from which subsequently the die and then the pressure plate is galvanically molded. After galvanic impression of the die and the intaglio printing plate, the intaglio printing plate must be bent and adapted to the impression cylinder.
  • a cylindrical body preferably receives a plurality of workpieces, such as two semi-circularly curved metal plates that almost completely cover the circumference of the cylindrical body.
  • This structure allows compared to a gantry type or a stator design of the prior art, a very compact implementation, since the curved workpieces have a more compact design than flat workpieces.
  • the displacement of the machining modules along the vertical axis of the workpiece, i.e., the vertical axis of the workpiece is eliminated.
  • the y-axis since this shift is now taken over by the forward and backward rotation of the cylindrical body.
  • the processing of the workpieces can be done either simultaneously or sequentially, ie first one of the workpieces and then one of the other workpieces is processed.
  • the longitudinal direction along the cylindrical body is referred to as the x direction, the vertical direction in the circumferential direction of the cylindrical body as the y direction, and the horizontal direction as the z direction.
  • the cylindrical body does not rotate at a constant speed, but is rotated forward and backward depending on the contour to be machined.
  • a corresponding interpolation is preferably carried out in the x and / or y direction, i. a coupling of the movement of both directions.
  • a serrated line is to be introduced into the workpiece, which is aligned parallel to the x-axis, but whose individual sections are aligned neither parallel to the x-axis nor to the y-axis
  • the processing module is moved along the workpiece and at the same time cylindrical body turned back and forth.
  • the processing module is sinusoidally moved back and forth on the workpiece and at the same time the cylindrical body sinusoidally back and forth rotated. The superimposition of both movements gives the circle.
  • the processing module is in this case preferably arranged on two carriages, of which one carriage moves the processing module radially onto or away from the cylindrical body, i. in the z direction.
  • the further carriage moves the processing module along the axis of rotation of the cylindrical body, i. in X direction.
  • the at least one processing module is particularly preferably arranged on the carriage for the z-direction and this in turn on the carriage for the x-direction.
  • the slides are driven by linear motors, spindles, belts or cables.
  • At least one processing module is preferred on the first carriage and at least one further processing module on the second carriage arranged.
  • a laser module is mounted on the first carriage and a milling module is mounted on the second carriage.
  • the milling module further includes a minimum quantity lubrication / cooling system that applies an aerosol to the tool tip at high pressure, an observation camera, an exhaust, and various sensors.
  • the laser beam is directed onto the workpiece either via fixed optics or via a galvo scanner with two rotatable mirrors.
  • the tracking of the focus position depending on the measured workpiece ripple via an adjustment or focus adjustment in the z-direction.
  • a movement of the laser module is thus only required along the axis of rotation of the cylindrical body, since a "movement" takes place radially on the cylindrical body to or away by the focus adjustment in the z-direction. Therefore, only the second carriage is required for the movement of the laser module, the first carriage can be omitted or equipped with one of the other processing tools. If, on the other hand, a laser with a fixed focus position is used, the possible adjustment path of the focus position of a laser with a trackable focus position is insufficient or should a mechanical tracking of the focus position also be effected in the z direction, the laser module can also be arranged on two slides. An attachment of the laser module or galvo scanner on two slides is also useful if a higher machining accuracy is to be achieved.
  • this laser can also be used for cleaning or polishing the workpiece and for deburring milled structures. Furthermore, the laser can rework machined flanks and create matt effects by smoothing milled structures, gloss effects or structures roughened by roughening. In this case, the laser can also introduce color catching structures into smooth cuts by introducing particularly deep roughening.
  • the combination of laser and milling technology in one device can combine the advantages of both machining methods.
  • the milling technique allows the creation of defined geometries, which are defined by the shape of the tool. This results in smoother engraving flanks and precisely defined engraving depths that can not be achieved with the laser process due to material fluctuations.
  • deep engraving e.g., 100 microns and more
  • the milling technique can process the entire depth in one step, whereas laser techniques require many pulses per point or many-layer processing, resulting in a higher engraving time.
  • Engraving in the context of this invention are in this case recesses in the workpiece, which are introduced with any machining process in the workpiece.
  • the laser technology has its advantages, among other things, in the production of fine dot rasters, wherein essentially one raster point with each laser pulse can be generated. Especially when working with an X / Y galvo scanner, these points can be processed very quickly. In milling mode, higher times are to be estimated here since the entire mass of the drive axes must be moved along for each point. Also for the production of a defined roughness on smooth milling structures, the laser can be used rationally.
  • Lasered and milled structures can particularly advantageously be laid on top of one another with a precise fit, so that further structures can be introduced, for example, into milled engraving flanks with the laser. Precision means that lasered and milled structures only a few microns offset from each other.
  • a scribe module in particular with a diamond blade or a carbide cutting edge, pulled over the smooth surface of the workpiece and scrapes this material from the workpiece.
  • the scoring or turning with the diamond cutting edge enables the production of optical and micro-optical structures.
  • micro-optical structures are, for example, cylindrical or lenticular lenses, blazed grating structures, diffractive grating structures, holograms, microlens structures, Fresnel lens-like structures and so-called moiré magnification arrangements, as required for moire structures.
  • These structures particularly preferably have a very smooth surface without milling marks, the roughness is in the range of a few nanometers.
  • the tip of the scoring module has a spherical shape. If diffraction structures are to be produced in the workpiece, the tip of the scoring module has a conical shape.
  • the cutting edge of the scoring module must be aligned perpendicular to the direction of movement of the workpiece. With fixed tool, therefore, trenches or structures can be generated in the y-direction. If the scribe module is rotated about its longitudinal axis about the center of the cutting edge, trenches or structures can be generated in any direction, so that any free line curves can be generated.
  • At least one tool change system can be attached to at least one side of the cylindrical body.
  • the tool change system preferably consists of about 60 mounted radially on a ring Slots that contain the various editing tools and other add-on modules.
  • the tool change system is rotated to the appropriate position, the machining module moves to the tool change system and removes the required machining tool from the slot.
  • the tool change system rotates together with the cylindrical body.
  • the at least one tool change system is particularly preferably decoupled from the cylindrical body, so that it does not rotate together with the cylindrical body and thus leads to a lower mechanical stress for the tool change system and the individual processing tools.
  • a particular advantage of the tool change system is that the respective machining module can be equipped with any machining tools, so that depending on the structure to be engraved in each case the optimal machining tool can be selected. Furthermore, the processing tools can be replaced automatically and within a very short time.
  • a control unit controls the movements of the processing modules and the drive module of the cylindrical body.
  • the control unit here is preferably a computer or a CNC control (CNC: Computerized Numerical Control) with numerically transmitted control information based on the standard DIN 66025 / ISO 6983.
  • a particular advantage of the invention is that a fully digital workflow is realized and a long-term stable Mehrnutzenbearbeitung within a short processing time, for example, within about a week, is possible.
  • Another advantage is that the machine structure is not too massive, provides a very high dynamics and allows a combination of all existing procedures for microstructuring of intaglio originals.
  • one or more additional modules can be attached to the device according to the invention.
  • a measuring microscope For example, sitting on one of the two carriages in a separate guide in the z-direction, a measuring microscope, are measured with the engraving on the machine.
  • the main application is the measurement of the test cut, with which the concentricity tolerance of the tools is absorbed and compensated.
  • a 3D distance sensor can be arranged on one of the two carriages either in its own guide in the z-direction or the guidance of the measuring microscope, with which the height profile of the engravings can be measured. It is e.g. a confocal chromatic sensor with a very fine measuring point (about 1 ⁇ m to 2 ⁇ m in diameter) was used. However, any other measuring principles for topology measurement can also be used.
  • this 3D distance sensor is the sampling of the engraving directly on the machine.
  • a 3D relief can be recorded and evaluated within a rectangle.
  • a confocal laser scanning microscope is used as the measuring microscope, with which not only two-dimensional, but preferably three-dimensional structures can be measured, no additional 3D distance sensor is required.
  • the device according to the invention has one or more of the following special functions:
  • a mechanical milling module preferably consists of a milling spindle into which a milling or engraving tool, abbreviated hereafter as a milling tool, is clamped.
  • the milling tool whose tip is about 10 microns in diameter, preferably rotates about its own axis at 100,000 to 300,000 revolutions per minute or more and is useful for engraving or milling 1 to 2 uses.
  • the milling tool is worn and must be changed.
  • the machining module moves to the respective tool change system and exchanges the worn milling tool with a new one. Before the next engraving process, however, the exact position of the tip of the new milling tool must first be determined.
  • a camera with subsequent digital image processing observes the milling tool, which is moved up to the workpiece until it just scores the surface of the workpiece, i. the surface of the workpiece is touched.
  • the camera or the subsequent digital image processing detects this time and determines from the associated position of the processing module, the position and the length of the tip of the mint milling tool with an accuracy of about 0.1 microns.
  • the position of the tool tip can also be measured with an optical system with an accuracy in the range of 10 ⁇ m. These measurements are used to preliminarily set the position of the tool tip and perform a trial engraving. The depth of the trial engraving is then measured, for example with a confocal microscope, and the position of the tool tip corrected with the difference between the target and actual depth of the trial engraving.
  • the axis of rotation deviates basically slightly from its predetermined axis of symmetry.
  • the tip of the milling tool is conically shaped, it means that the tip is making a circular motion with a diameter of usually 1 micron to 6 microns.
  • a test engraving or a test cut is performed in a region of the workpiece in which no engraving of a benefit occurs. The width of this test engraving or the test cut is determined with a 3D sensor or a measuring microscope.
  • a conically shaped tip of the milling tool can be corrected by slight adjustment of the engraving depth by an offset value of the concentricity errors, so that the desired engraving widths arise.
  • the printed image obtained in the x-direction, ie transversely to the printing direction is distorted or shaped in a trapezoidal manner.
  • a correction value is stored as a function of the y-direction, ie the transverse direction to the printing direction, in the data processing system which controls the processing module and the machining tool.
  • This correction value is designed in such a way that no correction takes place in the middle of the printing plate and the correction value increases or decreases continuously from the middle in the x-direction.
  • the introduced into the workpiece or the molded therefrom printing plate is distorted inversely to the expected distortion of the printed image, so that the resulting printed image is substantially undistorted.
  • a fluctuation or change in the diameter of the cylindrical body means in the circumferential direction a ripple of the workpiece in the y-direction, which can not be completely excluded in principle.
  • To compensate for this waviness of the workpiece in the z direction of the cylindrical body is rotated and determines the circumference of the workpiece.
  • the larger the determined circumference of the workpiece the larger the diameter of the cylindrical body and can be corrected simultaneously for the x-axes of both processing modules.
  • the average diameter of the cylindrical body is used for both processing modules in this case.
  • the guidance of the machining module has a ripple in the x-direction, which occurs in particular due to tolerances in the assembly of the hydrostatic bearings.
  • This ripple is achieved by correcting the height of the processing modules, ie by shifting the processing modules in the y-direction. The correction is done statically by washers or dynamically by piezo elements between the carriage for the z-direction and the processing module.
  • a particular advantage of the piezo-elements is that the processing module is raised to different heights and the ripple is dynamically compensated for any position in the x-direction.
  • Fig. 1 shows a cylindrical body 1, which is equipped with vacuum channels for sucking two workpieces (not shown).
  • the vacuum supply is tubed inside, so that not the entire cylindrical body 1 is under vacuum and so no longitudinal deflection can occur.
  • the cylindrical body 1 is made of stainless steel, in particular Invar, to generate the lowest possible thermal expansion error, to generate as little mass as possible and to achieve sufficient strength with low wall thickness.
  • the cylindrical body 1 can also be made of plastic, such as CFRP material, or of granite.
  • CFRP material such as CFRP material, or of granite.
  • the longitudinal direction along the cylindrical body 1 is referred to as the x-direction, the vertical direction in the circumferential direction of the cylindrical body as the y-direction, and the horizontal direction as the z-direction.
  • the temperature in the cylindrical body 1 is monitored contactless with a radio module.
  • hydrostatic bearings 2 are designed so that they can remove any heat input from the engines with the temperature-controlled bearing oil.
  • Two drive modules 3 in the form of electric motors preferably slow-speed or torque motors, drive the cylindrical body 1 from both sides. Both electric motors are water cooled. The magnet ring of each electric motor is also water-cooled via an intermediate plate, so that as little as possible heat input is transported into the hydrostatic bearing 2 or the cylindrical body. As an additional thermal barrier is a ceramic disc on the axis between the electric motors and the hydrostatic bearings. 2
  • the drive modules may also be arranged between the cylindrical body 1 and the hydrostatic bearings 2.
  • the ceramic disc is located in this case between the electric motor and the cylindrical body. 1
  • the entire device is mounted on a foundation in the form of a base granite 4, which in turn is supported on active air springs.
  • the base granite 4 in this case represents the vibration and deformation poor basic platform of the device, so that in particular vibrations from the environment can not penetrate into the device.
  • a guide 4.1 is integrated for a movement of the carriage 5 of the machining module 7 in the x direction.
  • the feed of the carrier 5 in the guide 4.1 by means of linear motors.
  • Fig. 1 are shown two processing modules, but the device can also be easily equipped with a larger number of processing modules whose linear motors use the same magnetic path of the x-direction.
  • a hydrostatically mounted guide 5.1 is integrated for movement of at least one carriage 6 of the machining module 7 in the z-direction.
  • This oil is pumped from pressure pockets at high pressure against the tread, so that a thin film of oil with a few micrometers thickness is formed, on which the axis slides without contact.
  • further carriages are integrated with less expensive storage, for example for the delivery of measuring systems.
  • tool change systems 8 are mounted at both ends of the cylindrical body 1 .
  • the tool magazine of a tool change system 8 consists of about 60 radially mounted on a ring slots. It turns together with the cylindrical body 1, so that according to the angle of rotation a particular tool can be substituted. It is also possible to decouple the tool change system 8 from the cylindrical body 1 so that it does not run during the processing.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
EP08015939.5A 2007-09-20 2008-09-10 Dispositif et procédé destinés à la production de plaques d'impression hélio multi-usage Not-in-force EP2039529B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08015939T PL2039529T3 (pl) 2007-09-20 2008-09-10 Urządzenie i sposób wytwarzania płyt do wklęsłodruku wielokrotnego użytku

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007045015A DE102007045015A1 (de) 2007-09-20 2007-09-20 Vorrichtung und Verfahren zur Erzeugung von Mehrnutzen-Stichtiefdruckplatten

Publications (3)

Publication Number Publication Date
EP2039529A2 true EP2039529A2 (fr) 2009-03-25
EP2039529A3 EP2039529A3 (fr) 2012-09-05
EP2039529B1 EP2039529B1 (fr) 2014-08-20

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EP08015939.5A Not-in-force EP2039529B1 (fr) 2007-09-20 2008-09-10 Dispositif et procédé destinés à la production de plaques d'impression hélio multi-usage

Country Status (4)

Country Link
EP (1) EP2039529B1 (fr)
DE (1) DE102007045015A1 (fr)
PL (1) PL2039529T3 (fr)
RU (1) RU2487801C2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
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EP2841230A1 (fr) 2012-04-26 2015-03-04 HELL Gravure Systems GmbH & Co. KG Procédé et dispositif pour usiner une pièce cylindrique
CN105922803A (zh) * 2016-06-20 2016-09-07 佛山市联智新创科技有限公司 一种塑料筒体雕刻用上下可调节刀具装置
CN105922802A (zh) * 2016-06-20 2016-09-07 佛山市联智新创科技有限公司 一种塑料筒体环形雕刻装置
CN105922804A (zh) * 2016-06-20 2016-09-07 佛山市联智新创科技有限公司 一种具有上下可调节刀具的塑料筒体环形雕刻装置
EP4098769A2 (fr) 2021-06-02 2022-12-07 Giesecke+Devrient Currency Technology GmbH Plaque d'impression en taille douce à durée de conservation étendue et son procédé de fabrication

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DE102010056306B4 (de) * 2010-12-27 2013-07-11 Hell Gravure Systems Gmbh & Co. Kg Verfahren zur Gravur von Strukturen in eine Oberfläche eines Zylinders
CN104842699B (zh) * 2015-05-20 2017-08-25 安徽一威贸易有限公司 一种分层雕刻系统
CN107009029B (zh) * 2017-06-08 2018-10-12 杭州电子科技大学 拉刀刀齿跨尺度表面形貌智能制备方法与装置
CN107283305A (zh) * 2017-07-31 2017-10-24 安庆市晶科电子有限公司 一种用于晶体加工的弧形底面治具
US20220162766A1 (en) * 2019-08-14 2022-05-26 Hewlett-Packard Development Company, L.P. Coated Metal Alloy Substrate with at least one Chamfered Edge and Process for Production Thereof
DE102022108915A1 (de) 2022-04-12 2023-10-12 Koenig & Bauer Ag Vorrichtung zum Positionieren eines Werkzeugs und Substratbogen verarbeitende Maschine und Verfahren zum Positionieren eines Werkzeugs

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WO2003057494A1 (fr) 2002-01-11 2003-07-17 Giesecke & Devrient Gmbh Procede d'heliogravure acier d'un document de securite et plaque d'heliogravure en acier et demi-produits utilises et leur procede de production
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EP1578604A2 (fr) 2002-12-20 2005-09-28 Giesecke & Devrient GmbH Procede et dispositif pour fabriquer des plaques d'impression helio et plaque d'impression ainsi fabriquee

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EP2841230A1 (fr) 2012-04-26 2015-03-04 HELL Gravure Systems GmbH & Co. KG Procédé et dispositif pour usiner une pièce cylindrique
EP2841230B1 (fr) * 2012-04-26 2018-03-28 HELL Gravure Systems GmbH & Co. KG Procédé et dispositif pour usiner une pièce cylindrique
CN105922803A (zh) * 2016-06-20 2016-09-07 佛山市联智新创科技有限公司 一种塑料筒体雕刻用上下可调节刀具装置
CN105922802A (zh) * 2016-06-20 2016-09-07 佛山市联智新创科技有限公司 一种塑料筒体环形雕刻装置
CN105922804A (zh) * 2016-06-20 2016-09-07 佛山市联智新创科技有限公司 一种具有上下可调节刀具的塑料筒体环形雕刻装置
CN105922804B (zh) * 2016-06-20 2018-05-01 贵州三圆瑞通科技有限公司 一种具有上下可调节刀具的塑料筒体环形雕刻装置
CN105922802B (zh) * 2016-06-20 2018-05-11 徐海军 一种塑料筒体环形雕刻装置
CN105922803B (zh) * 2016-06-20 2018-06-12 济南蓝象数控机械有限公司 一种塑料筒体雕刻用上下可调节刀具装置
EP4098769A2 (fr) 2021-06-02 2022-12-07 Giesecke+Devrient Currency Technology GmbH Plaque d'impression en taille douce à durée de conservation étendue et son procédé de fabrication
DE102021002867A1 (de) 2021-06-02 2022-12-08 Giesecke+Devrient Currency Technology Gmbh Stichtiefdruckplatte mit verlängerter Haltbarkeitsdauer und Verfahren zu deren Herstellung

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EP2039529A3 (fr) 2012-09-05
RU2008137373A (ru) 2010-03-27
RU2487801C2 (ru) 2013-07-20
DE102007045015A1 (de) 2009-04-02
PL2039529T3 (pl) 2015-03-31
EP2039529B1 (fr) 2014-08-20

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