EP3504062A1 - Verfahren zur regelung des antriebs einer maschine - Google Patents
Verfahren zur regelung des antriebs einer maschineInfo
- Publication number
- EP3504062A1 EP3504062A1 EP16760006.3A EP16760006A EP3504062A1 EP 3504062 A1 EP3504062 A1 EP 3504062A1 EP 16760006 A EP16760006 A EP 16760006A EP 3504062 A1 EP3504062 A1 EP 3504062A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- speed
- roller element
- printing
- value
- 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
- 238000000034 method Methods 0.000 title claims abstract description 102
- 230000002093 peripheral effect Effects 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 238000012937 correction Methods 0.000 claims abstract description 17
- 230000005489 elastic deformation Effects 0.000 claims abstract description 14
- 238000007639 printing Methods 0.000 claims description 98
- 238000007774 anilox coating Methods 0.000 claims description 20
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/16—Programming systems for automatic control of sequence of operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0006—Driving arrangements
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0073—Accessories for calenders
- D21G1/008—Vibration-preventing or -eliminating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/10—Relief printing
- B41P2200/12—Flexographic printing
Definitions
- the subject invention relates to a method for controlling the drive of a machine having at least one first rolling element, which rolls with a surface at least in sub-intervals of a revolution cycle under the action of a contact force under elastic deformation on a counter surface.
- a body which will hereinafter be referred to as a roller element in a non-restrictive manner is elastically deformed when it rolls on a counter surface.
- the respectively effective radius of the roller element changes.
- rolling elements generally refer to machine elements that rotate about a fixed or moved axis. ⁇ br/> ⁇ br/> The rolling elements may be substantially cylindrical or be formed as profile rolls.
- the speed of the roll surface is set by the specification of a setpoint speed for the rolls. Since the effective radii are not known a priori under the effect of a contact force, the elastic deformation results in a torque exchange between the rollers. This means that one roller exerts an accelerating torque on the other roller, while the other roller exerts a braking torque on the former.
- DE 69400403 T2 discloses a printing method in which an instantaneous intensity or an engine torque of a drive motor is measured and the rotational speeds of printing cylinders are adjusted so that when passing a rubber element between a first and a second cylinder on the one hand, and between a first and third cylinder on the other hand, a minimum Change the instantaneous intensity or the engine element is effected.
- a speed correction method which automatically compensates for deformation-related deviations of the peripheral speed of the first roller element by adjusting the setpoint for the speed of the first roller element
- a retroactive method which deviates Constant speed of the first roller element within a revolution cycle by applying a from the course of a controlled variable, in particular an actual speed or an actual position, the roller element, in one or more preceding cycles of revolution or cycles determined correction signal automatically compensates, can be applied combined.
- the inventor has found in experiments that neither with the application of a speed correction method alone, nor with the application of a retrospective method to increase the speed stability alone the quality problems were to be corrected. It was only through the combined application of these two methods that quality improvements could be achieved, which were not to be expected due to the disappointing results achieved with the individual methods alone.
- the method according to the invention has the advantage that it is easy to implement even with existing machines.
- the term "in contact” of a roller element with a mating surface or pairs of rollers with each other not only a direct contact, but also a touch with the interposition of a product, in particular a printing material, for example, when printing between a
- the term “being in contact” does not necessarily mean that the roller element touches the mating surface during the entire revolution time.
- rollers on an opposing surface under elastic deformation in the context of the present invention is understood to mean that the surfaces of the rolling elements abut one another essentially without sliding, at least in the contact region he area designated, in which a pair of rollers (or a roller element and a mating surface), optionally with the interposition of a product or printing material touches.
- the area of contact can be represented in a cross section as a "point of contact.”
- surface or relative speeds are generally related to a calculated point of contact It is clear to the person skilled in the art that these are contact surfaces in real, elastically deformable rollers.
- touch area and “touch point” can therefore generally be used interchangeably.
- revolution cycle refers to the period of time in which the characteristic value peaks of the controlled variable typically repeat cyclically, wherein the revolution cycle may correspond in particular to the revolution time of the first roller element or of another roller element.
- the rotational speed (or a value derived from the rotational speed, such as the peripheral speed) of the roller element can be used.
- the speed is generally derived from a rotational angle signal which is generated by a rotary encoder on the drive motor or on the roller element. Due to the retrospective method for increasing the speed constancy, peak values of the deviation of the controlled variable, which occur regularly at specific points of the revolution cycle, are compensated by the correction signal.
- the correction signal can also be derived from a variable influenced by the controlled variable.
- the correction signal To compensate for the dead time of the loop (i.e., the time lag between the regulator output and the actual cross current on the drive motor), the correction signal must be "reset” by this dead time to synchronize the correction with the peak values to be corrected.
- the invention is based on the finding that differences in the effective peripheral speeds-due to the elastic deformation which leads to changed and in advance extremely difficult to predict effective roller diameters-of roller pairs are a cause of quality defects, for example of horizontal stripes in a printed image.
- the same quality defects can also occur when a roller element generally rolls on a counter surface.
- the time profile of a value characteristic of a drive torque of the roller arrangement can be determined in at least one of the subintervals, from this a parameter for an increase of this value in the subinterval can be derived and the reference variable of the peripheral speed of the first roller element be adjusted depending on this parameter to minimize the increase.
- the course of the drive torque in the roller element or the profile of a variable proportional to the drive torque such as, for example and not limitation, the drive current or the drive power in the selected subinterval can be evaluated advantageously become.
- the value characteristic of the drive torque may be a force applied by the at least one roller element to the counter surface.
- the characteristic value for a drive torque of the roller assembly may be a parameter representative of a speed error of the roller member and / or a lag error between the roller member and the counter surface, such as, but not limited to, an average or effective torque, an average slope of torque, an averaged force action (torques weighted with the roller radius) on the mating surface or on another roller element or one
- the derived parameter may further be a value averaged in a subinterval, or it may be an optionally smoothed slope of the propulsion torque in the subinterval.
- the sub-interval may include one or more complete revolutions of one of the roller elements.
- a circumferential speed of the first roller element can be adjusted by changing the default value for the rotational speed of this roller element.
- a peripheral speed of the first roller element can be adjusted by changing the default value for the diameter of this roller element.
- the deviation (eg in percent) of the default value from the actual diameter can be evaluated as a characteristic value, for example in order to Problems of health, which announce themselves by a change of this value, to recognize early.
- a circumferential speed of the first roller element can be adapted by changing the default value for the delivery of this roller element.
- elastic deformation also changes the relevant value for the relative speed between two roller elements for the diameters.
- a firing method can be used to determine the default value for the speed of a roller element, the default value for the diameter of the roller element or the default value for the delivery of the roller element. The firing process is an iterative process that can be automated and that starts from a starting value, e.g.
- the associated target parameter is determined from the resulting torque curve in the mentioned subinterval. Subsequently, the starting value is slightly changed and the resulting deviation is determined. Successive linear interpolation and extrapolations automatically set the optimum operating point. The iterations are aborted when the desired operating point has been reached with sufficient accuracy and therefore convergence has been achieved.
- the retrospective method can be a self-learning method for controlling cyclical processes, in particular a repetitive control method.
- Such methods are well suited to increase the speed stability.
- Self-learning methods for controlling cyclical processes are generally referred to in the context of the present invention as methods in which disturbances (eg setpoint deviations or errors) are determined and stored in at least one first cycle, measures for suppressing these disturbances being determined on the basis of the determined disturbances , and wherein these measures are applied in at least one further cycle to suppress corresponding disturbances in this further cycle. Due to the permanently recurring application of this methodology, disturbances are self-optimally suppressed.
- the repetitive-control method is a well-known method which is described, for example, in the article "Repetitive control for systems with uncertain period-time", Maart Steinbuch, Automatica 38 (2002) 2103-2109 periodic processes, the occurrence of (then also odischen) disturbances to minimize.
- the method is self-learning by the permanent repeated application per se and therefore very easy to use. In the present case of application, it can be advantageously used to increase the speed constancy, which is achieved for example by a self-learning additive current injection.
- the retroactive method can advantageously use a speed error, optionally scaled with a speed controller gain, and / or a periodic tracking error occurring at the point of contact between the work roll and the impression cylinder, wherein a switchover between different variants of the determination of a feedback signal can be provided in the control loop in order to generate several feedback signals.
- the feedback can be a signal which is determined by a motor transmitter and representative of the controlled variable, or a signal which is determined by a load transmitter and representative of the controlled variable.
- the feedback signal can also be generated by a virtual load transmitter, which determines an estimated value for the controlled variable based, for example, on the drive current and the engine torque.
- the retrospective method can pass through an initiation phase over at least one revolution cycle, preferably over at least two revolution cycles.
- one revolution cycle may correspond in particular to one revolution of the first roller element (or of another roller element, if this defines the revolution cycle), so that in many fields of application it is not necessary to determine the cycle from a signal.
- an internal memory is first initiated over the first revolution cycle.
- the process is activated continuously or step-by-step via a grinding control so that the disturbance suppression is fully active after two cycles (or two revolutions).
- the first roller element may be a forme cylinder, wherein a counter-pressure cylinder and a Rolling an anilox roll on the forme cylinder, and wherein on the forme cylinder, an elastic printing forme is applied, which during at least a subinterval of the rotation of the forme cylinder in contact with the anilox roller and / or the impression cylinder.
- the subject disclosure thus also relates to a method for controlling a printing press with a plurality of roller elements, namely at least one forme cylinder, an anilox roller and an impression cylinder, wherein on the forme cylinder, an elastic printing plate is applied, which during at least a subinterval of the rotation of the forme cylinder with the anilox roller and or the impression cylinder is in contact, wherein the course of a characteristic of the drive torque of at least one of the roller elements value is determined in the sub-interval, from a parameter is derived and the peripheral speed of at least one of the roller elements is adjusted in response to this parameter.
- the subinterval evaluated for the calculation is selected in the context of the present invention on the basis of the respective machine.
- the subinterval can be determined on the basis of an evaluation of the course of characteristic values, such as the drive torque, the measured roller speed, the speed error, the following error or other suitable characteristic values, during a test run or when starting the engine
- Printing machine can be determined and can also include one or more complete revolutions.
- the sub-interval is therefore chosen so that the points of contact between the printing plate and the anilox roller and between the printing plate and the impression cylinder in the sub-interval are free of contact changes. This enables a stable evaluation of the parameters with minimal interference.
- the method can be carried out automatically and optionally also regularly during the printing process, which allows an automatic elimination of the printing process Circumferential speed differences between touching pairs of rollers and the associated printing errors, which allows an automatic process to be carried out independently by the machine software without the need for manual interaction by the operating personnel. No additional pre-press work is required and no additional printing units are needed.
- the feature of the automatic and optionally also regular execution of the method according to the invention can also be applied to machines that are not printing presses.
- an identical line speed can be set by adjusting the peripheral speeds) on a machine having a plurality of printing units. This feature can also be applied analogously to other machines.
- Figure 2 is a schematic representation of the expected drive torque during a revolution of the forme cylinder.
- Fig. 3 is a diagram of the dynamic behavior of a printing press in an experimental setup;
- FIG. 4 is an enlarged view of a portion of the drive torque of FIG. 3;
- Fig. 5 is a graph of the dynamic behavior of the printing machine in the experimental setup after a first adjustment of the default value for the diameter of the forme cylinder;
- FIG. 6 shows a diagram of the dynamic behavior of the printing press in the experimental setup when using a repetitive-control method
- FIG. 7 shows a diagram of the dynamic behavior of the printing machine in the experimental arrangement after a second adaptation of the standard value for the diameter of the forme cylinder, wherein a repetitive control method was additionally used;
- FIG. 8 is a diagram illustrating the iterative operation of the shooting process by successive interpolations and extrapolations
- 9 shows a diagram of an exemplary control circuit according to the invention for two roller elements rolling against one another; 10 is a cross-section of an idealizing, undeformed pair of rolls and
- Fig. 1 1 shows a cross section of the roller pair of Fig. 10, in which it comes by the action of a contact force to an elastic deformation.
- FIG. 10 shows an idealized pair of rollers comprising a first roller element 1 'and a second roller element 2' which roll against one another at a contact point A (in relation to the illustrated cross section).
- FIG. 11 schematically shows the deformation which occurs on the pair of rollers when the two roller elements V, 2 'are pressed against one another with a contact force F> 0 (the deformations are shown in FIG. 11 greatly oversubscribed for reasons of recognizability).
- the two roller elements no longer touch each other in a line (ie in a cross section at a point), but in a contact surface (which is shown as a line in the cross-sectional representation in FIG. 11).
- the radii of the roller elements are no longer constant, the minimum radii R- ⁇ , R 2 are in the middle of the contact surfaces.
- the distance of the roller axes d in the deformed state is therefore smaller than the standard distance d 0 .
- the peripheral speed at the contact surface no longer coincides with the calculated value based on the idealized representation.
- Similar considerations apply if a roller element rolls on a flat counter surface under elastic deformation. Such deformations of rolling elements rolling against one another are not always exactly predictable in practice and the exact extent of the deformation can be determined by measuring methods is very complex and often not feasible in practice. However, since deformation often has an immediate effect on product quality, the method of the invention aims to minimize the quality defects resulting from these deformations. The invention will be described below with reference to an exemplary application in printing technology.
- Direct printing processes such as flexographic printing, have long been commonplace and known in the art, and therefore, not every single component of the printing press is discussed herein. Also, the illustration of some components in Fig. 1 has been omitted for clarity, since they are well known to those skilled in the art.
- the forme cylinder 2 carries a printing forme 4 of a flexible material on which raised areas according to the known flexographic printing process define the areas to be printed.
- the anilox roller 1 applies the ink to the raised areas of the printing plate 4.
- the ink is then applied to the substrate. Since the length of the printing form 4 may be shorter than the circumference of the forme cylinder 2, there may generally be on the form cylinder 2 a region not covered by the printing form 4, which is also referred to herein as a pressure gap 5.
- the contact between the anilox roller 1 and the printing forme 4 applied to the forme cylinder 2 ends at the contact point B, while the impression cylinder 3 is still in contact with the printing forme 4;
- the anilox roller 1 again comes into contact with the printing form 4, while the impression cylinder 3 is still in contact with the printing form 4;
- the counter-pressure cylinder 3 (or the printing material carried thereon) again comes into contact with the printing form 4, while the anilox roller 1 is still in contact with the printing form 4.
- the situation corresponds to the time t 0 , whereby the printing cycle ends and a new printing cycle begins.
- the arrangement shown in Fig. 1, which leads to the sequence of touch changes set forth, is merely illustrative and not restrictive.
- the printing form 4 can be shorter or longer and also the relative arrangement of the roller elements relative to one another can differ. Such changes may also lead to a different sequence of touch changes.
- a time interval could occur in which neither the counter-pressure cylinder 3 nor the anilox roller 1 is in contact with the printing plate 4.
- the printing form 4 comprises the entire circumference of the forme cylinder 2, so that no contact changes occur. The invention can also be applied advantageously to such cases.
- FIG. 2 shows a schematic representation of the expected drive torque during one revolution of the forme cylinder, based on the times t 0 to t 4 , as shown in FIG. 1. This theoretical scheme can be used to evaluate actual measurement results. It should be noted that different roller arrangements or different lengths of the printing plate 4 would lead to different courses of the drive torque, the skilled person can easily transfer the teachings of the subject application in such cases.
- 3 shows a diagram of the dynamic behavior of the test arrangement, wherein the uppermost curve shows the following error (difference between desired and actual position with respect to the surface of the forme cylinder), the middle curve shows the velocity profile and the lowest curve shows the drive torque of the forme cylinder, wherein the times t 0 to t 4 are drawn in a rotation in accordance with the representations in Fig. 1 and 2 in the diagram.
- the setpoint position corresponds to the setpoint of the position controller, the actual position was measured with an encoder.
- transverse stripes arise in particular due to distorted pixels on the printing material, which are perceived as a strip in a macroscopic view of the printed image by the human eye.
- a compensating behavior determined by the disturbing behavior of the drive control loops (aperiodic decay or decay with damped oscillation).
- stripes are caused in the print image.
- One of the underlying idea underlying the invention is to prevent the occurrence of horizontal stripes in the printed image in that different peripheral speeds detected in pairs of rollers and the peripheral speeds of the roller pairs are automatically adapted to each other.
- the torque curves of the associated roller drives are evaluated in the contact phase and the roller speeds are adjusted until the circumferential speeds of the roller pairs coincide and the average contact torque during the contact phase is substantially constant.
- the peripheral speeds of the roller elements can be adjusted for example by changing the default value for the roll diameter.
- the default value for the diameter of the forme cylinder was increased in a first step by 0.6% in order to achieve a correspondingly lower peripheral speed of the forme cylinder.
- Fig. 5 shows a graph of the dynamic behavior of the printing press in the experimental setup described above after this adjustment of the preset value for the diameter of the forme cylinder by + 0.6%. It can be clearly seen that the drive torque had significantly reduced peak values (about 6 Nm in FIG. 5 compared to about 13 Nm in FIG. 4) and a reduced average value. Furthermore, the drive torque in the subintervals of the contact phases (intervals t- 1 to t 2 and t 3 to t 4 ) had a constant course on average. There were no longer any horizontal stripes in the printed image.
- the approximation of the peripheral speeds of the roller pairs can not only be achieved by changing the rotational speed of one of the roller elements involved, but it can also change the delivery between the roller pairs are made to influence the desired length of the print motif on the substrate and thereby distortions can arise in the printed image to compensate.
- a high quality of the printed image is achieved only by an increased constancy of the roller speeds by means of the repetitive-control method by an additive current injection.
- the Repetivite Control method can basically be self-learning and is therefore very easy to use.
- Fig. 6 shows a diagram of the dynamic behavior of the experimental setup when the RC method is applied. The default value for the roll diameter was not changed from the initial value (FIGS. 3 and 4). FIG. 6 shows, from top to bottom, the curves of the following values:
- Fig. 8 illustrates the iterative operation of a firing method, with which an optimal default value for the diameter of a roller element can be determined.
- a starting value D 0 for the diameter a corresponding value k 0 for the slope of the torque is determined (this corresponds, for example, to the gradient shown in FIG. 4 between the times t- 1 and t 2 ).
- the starting value D 0 is slightly changed to the value D- ⁇ and the corresponding value k- ⁇ determined the slope of the torque.
- the next default value D2 for the diameter is then determined as the intersection of the line through the points (D 0 , k 0 ) and (D- ⁇ , k- ⁇ ) with the axis of abscissa.
- the process is iteratively continued until a default value D x is found for which the slope of the torque k x is sufficiently low. In FIG. 8, this is the case for the value D 4 , which only has a very small gradient k 4 .
- FIG. 9 shows an exemplary control circuit for the drive control of two rolling elements 1 'and 2', which are driven against one another and are each driven by a drive motor M A , M B.
- the two drive motors are each controlled by a control loop, the function of the controller being described below with reference to the first roller element V.
- the desired value w corresponds to the default value for the engine speed, this desired value w being based on the dimensions of the undeformed roller elements.
- This setpoint is corrected on the one hand by a set value a, which was determined according to the speed correction method.
- the determination of the adjustment value is made by the speed compensation D, which is described in more detail below.
- the feedback y M (t) is subtracted from the setpoint w corrected by the adjustment value a in order to determine the control deviation e (t), which represents the input value into a speed controller R A.
- the speed controller R A outputs a control quantity u (t).
- the type of feedback can be selected via a selector SW A.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Rotary Presses (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2016/069908 WO2018036619A1 (de) | 2016-08-23 | 2016-08-23 | Verfahren zur regelung des antriebs einer maschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3504062A1 true EP3504062A1 (de) | 2019-07-03 |
EP3504062B1 EP3504062B1 (de) | 2020-07-01 |
Family
ID=56853592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16760006.3A Active EP3504062B1 (de) | 2016-08-23 | 2016-08-23 | Verfahren zur regelung des antriebs einer maschine |
Country Status (8)
Country | Link |
---|---|
US (1) | US11241876B2 (de) |
EP (1) | EP3504062B1 (de) |
JP (1) | JP6982062B2 (de) |
KR (1) | KR20190037344A (de) |
CN (1) | CN109641448B (de) |
CA (1) | CA3034742A1 (de) |
DK (1) | DK3504062T3 (de) |
WO (1) | WO2018036619A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019212709A1 (en) * | 2018-05-03 | 2019-11-07 | Paper Converting Machine Company | Anti-bounce print deck for flexographic printing press |
DK3838595T3 (da) * | 2019-12-17 | 2023-05-30 | Heidelberger Druckmasch Ag | Fremgangsmåde til at drive en rotationstrykkemaskine |
Family Cites Families (18)
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JPH03133503A (ja) | 1989-10-17 | 1991-06-06 | Sumitomo Metal Ind Ltd | 帯条体の圧延方法 |
FR2714632B1 (fr) | 1994-01-03 | 1996-03-15 | Cuir Ets | Procédé et installation pour l'impression feuille à feuille. |
DE19611048A1 (de) | 1996-03-20 | 1997-09-25 | Windmoeller & Hoelscher | Druckmaschine, vorzugsweise Flexodruckmaschine |
DE10107135A1 (de) * | 2001-02-15 | 2002-08-29 | Windmoeller & Hoelscher | Rollendruckmaschine sowie Verfahren zur Schwingungsdämpfung hieran |
DE10335888B4 (de) | 2003-08-06 | 2008-03-13 | Man Roland Druckmaschinen Ag | Verfahren und Vorrichtung zum Regeln des Gesamt-Schnittregisterfehlers einer Rollenrotationsdruckmaschine |
DE102005041697B4 (de) | 2005-09-02 | 2017-09-21 | manroland sheetfed GmbH | Druckmaschine |
DE102006007181A1 (de) | 2006-02-16 | 2007-08-23 | Heidelberger Druckmaschinen Ag | Steuerung einer Druckmaschine mittels Torsionsmodell |
EP2335184A1 (de) | 2008-10-15 | 2011-06-22 | Printechnologics GmbH | Flächiger datenträger |
US9126394B2 (en) | 2010-05-18 | 2015-09-08 | Agfa Graphics Nv | Method of preparing a flexographic printing master |
DE102011121319A1 (de) | 2011-12-16 | 2013-06-20 | Gallus Stanz- Und Druckmaschinen Gmbh | Tiefdruckwerk mit Bahnspannungsausgleich und Verfahren zum Warten eines solchen Tiefdruckwerks |
TWI586552B (zh) | 2012-06-11 | 2017-06-11 | 柯達公司 | 用於柔版印刷之客製化柔性母版樣式之製造方法以及使用方法 |
DE102012013532B4 (de) | 2012-07-05 | 2017-01-12 | Martin, Prof. Dr. Dreher | Einrichtung zum Drucken mit weich-elastischen Druckformen |
KR101445064B1 (ko) | 2013-01-16 | 2014-10-01 | 한국기계연구원 | 동기화 오차를 계측 및 보정하는 인쇄 장치 및 방법 |
CN103962391B (zh) | 2013-01-29 | 2017-02-08 | 宝山钢铁股份有限公司 | 一种热连轧机精轧机组的轧制负荷优化方法 |
DE102014005289A1 (de) | 2013-05-08 | 2014-11-13 | Heidelberger Druckmaschinen Ag | Farbregelungskonzept für Druckmaschinen mit Kurzfarbwerk |
DE102013214025B4 (de) | 2013-07-17 | 2017-08-24 | Koenig & Bauer Ag | Verfahren zum Bedrucken eines Bedruckstoffs |
CN203358032U (zh) | 2013-07-22 | 2013-12-25 | 肇庆市金辉印刷机械有限公司 | 一种柔性版印刷机的同步拖带装置 |
DE102013109851A1 (de) * | 2013-09-09 | 2015-03-12 | Windmöller & Hölscher Kg | Verfahren für die Kontrolle der Rotationsgeschwindigkeit für eine Antriebsvorrichtung einer Druckwalze |
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2016
- 2016-08-23 US US16/327,574 patent/US11241876B2/en active Active
- 2016-08-23 EP EP16760006.3A patent/EP3504062B1/de active Active
- 2016-08-23 CA CA3034742A patent/CA3034742A1/en not_active Abandoned
- 2016-08-23 CN CN201680088622.1A patent/CN109641448B/zh active Active
- 2016-08-23 WO PCT/EP2016/069908 patent/WO2018036619A1/de active Search and Examination
- 2016-08-23 JP JP2019510777A patent/JP6982062B2/ja active Active
- 2016-08-23 KR KR1020197008365A patent/KR20190037344A/ko not_active Application Discontinuation
- 2016-08-23 DK DK16760006.3T patent/DK3504062T3/da active
Also Published As
Publication number | Publication date |
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DK3504062T3 (da) | 2020-07-27 |
EP3504062B1 (de) | 2020-07-01 |
CN109641448B (zh) | 2021-10-19 |
CN109641448A (zh) | 2019-04-16 |
KR20190037344A (ko) | 2019-04-05 |
JP6982062B2 (ja) | 2021-12-17 |
US20190176463A1 (en) | 2019-06-13 |
WO2018036619A1 (de) | 2018-03-01 |
US11241876B2 (en) | 2022-02-08 |
JP2019528196A (ja) | 2019-10-10 |
CA3034742A1 (en) | 2018-03-01 |
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