WO2017221596A1 - 印刷装置における印刷ズレ修正方法 - Google Patents
印刷装置における印刷ズレ修正方法 Download PDFInfo
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- WO2017221596A1 WO2017221596A1 PCT/JP2017/018660 JP2017018660W WO2017221596A1 WO 2017221596 A1 WO2017221596 A1 WO 2017221596A1 JP 2017018660 W JP2017018660 W JP 2017018660W WO 2017221596 A1 WO2017221596 A1 WO 2017221596A1
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- WIPO (PCT)
- Prior art keywords
- printing
- misalignment
- inspection
- ink
- value
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0081—Devices for scanning register marks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/027—Test patterns and calibration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/021—Adaptations for printing on specific media
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2233/00—Arrangements for the operation of printing presses
- B41P2233/50—Marks on printed material
- B41P2233/52—Marks on printed material for registering
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
- G06K2215/0082—Architecture adapted for a particular function
- G06K2215/0097—Printing on special media, e.g. labels, envelopes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30176—Document
Definitions
- the present invention relates to a printing misalignment correction method in a printing apparatus.
- a printing device As a printing device, it is equipped with a photographing device that captures an image and an image processing device that processes the captured image. It is known that the printing accuracy is improved by changing.
- Patent Document 1 discloses an image processing apparatus having a print displacement value measuring unit that measures a displacement value with respect to a set position of a print displacement inspection mark printed on a printing material. There is disclosed a technique in which registration is performed by printing on a printed material such as a can and detecting the position of a printed misalignment inspection mark actually printed.
- the accuracy of the print misalignment inspection mark is important, but if the print misalignment inspection mark is printed as a complete circle as set, there is no problem. Marginal is added to the circle of the set size, and this causes a problem that the accuracy of obtaining the center position of printing misalignment and the like is deteriorated, and the accuracy of correcting the misregistration is deteriorated.
- An object of the present invention is to provide a printing misalignment correction method capable of improving the misregistration accuracy and improving the misregistration accuracy in a printing apparatus that performs registration using a mark for printing misalignment inspection. It is in.
- a printing misalignment correction method in a printing apparatus includes a printing machine that has a plurality of plate cylinders for printing different colors and performs printing on a printing material, and a photographing device that captures an image printed on the printing material.
- An image processing apparatus that processes a photographed image, and the image processing apparatus includes a print deviation value measuring unit that measures a deviation value with respect to a set position of a print deviation inspection mark printed on a printing material.
- a method for correcting printing misalignment wherein the print misalignment inspection mark is a white circle, and the print misalignment value measuring means uses a white portion of the print misalignment inspection mark to set the position. It is characterized by measuring a deviation value with respect to.
- a conventional mark for inspection of printing misalignment is a solid circle, and in the present invention, this is a white circle. Then, the deviation value with respect to the set position is measured using the white portion of the print deviation inspection mark.
- the print misalignment inspection mark is a solid circle, the measurement accuracy of the position of the print misalignment inspection mark printed by the marginal generated in the outer peripheral portion of the print misalignment inspection mark is reduced, The position of the printed misregistration inspection mark can be measured without the influence of marginal, and the registration accuracy can be greatly improved.
- the size of the white portion is 30% to 70% (more preferably 40-60%) of the diameter of the printed portion. Specifically, for example, the size of the printed portion is 0.5 mm in diameter, In this case, the size of the white portion is set to 0.2 to 0.3 mm.
- the ink amount of the print misalignment inspection mark can be reduced, and thereby the effect of reducing the marginal portion can be obtained.
- the printing misalignment value measuring means obtains the position and size of the marginal using a circular printed portion outside the white portion of the printing misalignment inspection mark.
- the printing apparatus to which the printing misalignment correcting method in the printing apparatus according to the present invention is applied is not particularly limited, and the substrate to be printed may be paper or a can.
- the improvement of the accuracy in offset printing on the can is an issue, and the printing misalignment correction method in the printing apparatus according to the present invention can be more effective when the substrate is a can.
- the position of the printed displacement inspection mark can be measured without the influence of marginal, and the measurement accuracy of the position of the printed displacement inspection mark is improved.
- the registration accuracy can be greatly improved.
- FIG. 1 is a schematic diagram for explaining a printing deviation value measuring method in the printing apparatus of the present invention.
- FIG. 2 is a block diagram showing an example of a printing apparatus to which the printing deviation value measuring method in the printing apparatus of the present invention is applied.
- FIG. 3 is a side view showing the printing press.
- FIG. 4 is an enlarged side view of the main part of the printing press.
- FIG. 5 is a front view of the inspection apparatus.
- FIG. 6 is a diagram showing density data obtained by the inspection apparatus.
- FIG. 7 is a diagram illustrating a print misalignment value obtained by the inspection apparatus.
- FIG. 8 is a schematic diagram for explaining a problem of a printing deviation value measuring method in a conventional printing apparatus.
- Printing device (2) Printing machine (47) Plate cylinder (52) Camera (53) Image processing device (56) Means for measuring printing misalignment (A) Printing misalignment inspection mark
- FIG. 2 shows an example of a printing apparatus (1) to which the printing misalignment correction method in the printing apparatus according to the present invention is applied.
- the printing device (1) has a printing machine (2) that prints on the can (C), a dryer (4) that dries the printed surface of the printed can (C), and checks the printing state of the printing surface.
- the printing machine (2) prints on a cylindrical can body that is open at the top (the body of a two-piece can, which is simply referred to as the can (C) below).
- the can (C) After the can (C) is printed by the printing machine (2), it passes through the dryer (4) and is sent downstream. Some of the cans (C) that have passed through the dryer (4) are inspected for printing by the inspection device (5).
- the conveying device (50) supplies the can (C) to the printing machine (2) and passes the printed can (C) to the downstream and the dryer (4).
- the extraction line (50b) that sends a part of the large number of cans (C) to the inspection device (5), and the can (C) that has been judged good in the inspection device (5) to the main line (50a) Line (50c).
- the can (C) is rotated by a rotating device (51) described later, and the driving side and the driven can (C) of the rotating device (51) are synchronized via the encoder (92).
- an image is photographed by the photographing device (52), and the image is processed by the image processing device (53).
- the inspection apparatus (5) is provided with an image inspection means (54), a density measurement means (55), and a print deviation value measurement means (56) as an image processing apparatus (53) for processing a photographed image.
- the can (C) which is a non-defective product in the inspection device (5), is returned to the main line (50a), and the can (C ') which is regarded as an inspection failure product in the inspection device (5) It is discharged to the inspection reject product storage (57).
- the density obtained by the density measuring means (55) in the inspection device (5) and the printing deviation value obtained by the printing deviation value measuring means (56) are fed back to the printing press (2).
- the ink supply amount is adjusted by the control device according to the density
- the plate cylinder position is adjusted by the automatic registering device (58) according to the printing misalignment value.
- the printing machine (2) includes a plurality (eight illustrated) plate cylinders (47) each having a plate for printing different colors, and a plate cylinder (47). From a blanket cylinder (48) to which ink is transferred from a printer, an ink supply device (3), a registration device (58), a plurality of can feed rollers (59a) and a can feed chute (59b) A can feeding device (59).
- the registration device (58) includes axial movement means (96) for moving the plate cylinder (47) in the axial direction and circumferential movement means (97) for moving the plate cylinder (47) in the circumferential direction. Yes. As shown in FIG. 4, the registration device (58) is provided with controllers (124) and (125) for controlling the motors (109) and (110) provided in the moving means (96) and (97). ing.
- the ink fountain roller (41) is disposed so as to be close to the rear end portion of the ink fountain member (40), and thereby the ink fountain (42) is configured, and the ink fountain member An ink passage having a predetermined gap is formed between the rear end of (40) and the surface of the ink fountain roller (41).
- the first ink kneading roller (44) of the plurality of ink kneading rollers (44) (46) is arranged behind the ink fountain roller (41), and the ink fountain roller (41) and the ink kneading roller (44) are arranged. In between, the ink calling roller unit (45) is disposed adjacent to both. Although not shown, the ink calling roller unit (45) is an assembly of a plurality of ink calling rollers divided in the axial direction of the rollers (41), (44), and (46). Are arranged at small intervals.
- the controller calls the ink by switching the position of the required ink call roller of the ink call roller unit (45) at every call timing with a predetermined interval, and for each ink call roller,
- the rotation angle (contact rotation angle) of the ink fountain roller (41) from the contact with the ink fountain roller (41) to the separation is controlled.
- the circumferential length of the ink called from the ink fountain roller (41) to the required ink calling roller is controlled, and as a result, the amount of ink supplied to the printing surface is adjusted by the position in the width direction.
- the contact rotation angle is controlled by the time (contact command time) from the output of the switching command to the calling position (contact command) to the ink calling roller until the output of the switching command to the non-calling position (non-contact command). This is done by controlling.
- the contact time in the ink supply device (3) for this color is lengthened, and when the density of a certain color is high, the ink supply device for this color (3) The density can be adjusted by shortening the contact time at.
- the control device (124) for controlling the first motor (109) is a printing displacement in the height direction of the can (C) in the printing displacement value measuring means (56) of the inspection device (5).
- the axial position of the plate cylinder (47) is adjusted by driving the first motor (109) according to the value.
- the control device (125) for controlling the second motor (110) drives the second motor (110) in accordance with the printing deviation value in the circumferential direction of the can (C) in the printing deviation value measuring means (56). The circumferential position of the plate cylinder is adjusted.
- the inspection device (5) is provided with a carry-in conveyor (61) for sequentially carrying in cans for inspection (C), and an inspection can (C) provided at the end of the carry-in conveyor (61).
- a carry-in conveyor (61) for sequentially carrying in cans for inspection (C)
- an inspection can (C) provided at the end of the carry-in conveyor (61).
- An image capturing device (52) that captures the image of the image, a CPU that executes logical operations of the image processing device (53), a ROM that stores a control program, a RAM that stores data, a display that displays image processing results, and the like
- a control unit (not shown) configured by a computer including a carry-out conveyor (not shown) provided in front of the carry-in conveyor (61) and carrying out non-defective cans (C); And a discharge chute (64) for discharging C ′).
- the take-out device (62) includes a suction part (65) that sucks the can that has been sent by the carry-in conveyor (61) and a cylinder part (66) that moves the suction part (65) upward. Yes.
- the adsorption part (65) has a semi-cylindrical recess (65a) into which an intermediate part of the can (C) is fitted.
- the can rotating device (51) includes a main shaft (71) rotated by a motor (72) and a rotating disk (73) attached to the main shaft (71).
- the motor (72) is attached to the upper surface of the top wall of the housing (70), and the main shaft (71) is rotatably supported on the top wall of the housing (70).
- Rotating disc (73) is concentric with main shaft (71) and rotates integrally with main shaft (71).
- a plurality of arms (73a) are provided on the outer periphery of the rotating disk (73) so as to protrude radially outward at equal intervals.
- a vertical driven side rotation shaft (74) is rotatably supported on each arm (73a) of the turntable (73).
- a holding member (75) which is formed concentrically with the driven side rotating shaft (74) and sucks and holds the can (C) is attached to the driven side rotating shaft (74).
- the driven side rotation shaft (74) is moved in accordance with the rotation of the turntable (73), the installation position of the take-out device (62), the installation position of the photographing device (52), the installation position of the carry-out conveyor and the discharge chute (64). It revolves around the spindle (71) so as to return to the installation position of the take-out device (62) through the installation position.
- a drive unit (76) for rotating (spinning) the driven side rotating shaft (74) is disposed above the driven side rotating shaft (74) located at the installation position of the imaging device (52), and the housing (70) Supported by the top wall.
- the drive device (76) includes a vertical drive side rotary shaft (77), a motor (78) provided concentrically with the drive side rotary shaft (77) and rotating the drive side rotary shaft (77), and a drive side A rotary encoder (60) for detecting the number of rotations (rotation angle) of the rotating shaft (77).
- a first camera (79) for photographing the entire can and an opening side of the can A second camera (80) that captures the edge is used.
- the image photographed by the first camera (79) is used by the image inspection means (54) and the density measurement means (55).
- the image photographed by the second camera (80) is used by the print misalignment value means (56).
- the holding member (75) is made of resin and has a cylindrical shape, and a cylindrical suction chamber (not shown) that opens downward is provided at the lower end of the holding member (75). By making the suction chamber have a negative pressure (vacuum), the can (C) is adsorbed and held by the holding member (75).
- the drive side rotation shaft (77) and the driven side rotation shaft (74) face each other in the axial direction, and the lower end portion of the drive side rotation shaft (77) and the driven side rotation shaft ( Magnets (81) and (82) each exerting an attractive force are fixed to the upper end of 74).
- the lower surface of the magnet (81) provided at the lower end of the drive side rotating shaft (77) and the upper surface of the magnet (82) provided at the upper end of the driven side rotating shaft (74) are magnets (81) ( 82) It is adsorbed (integrated) by the suction force between each other.
- the driven side rotation shaft (74) is supported by a cylindrical casing (83) provided on each arm (73a) of the rotating disk (73) so as to be rotatable and non-movable in the axial direction.
- the drive side rotating shaft (77) rotates, and along with this rotation, the can (C) held by the driven side rotating shaft (74) rotates and rotates by one rotation.
- the photographing device (52) At this time, in order to eliminate the error, the time for one pixel is determined in accordance with the output of the rotary encoder (60).
- Rotation of the can (C) and rotation of the rotary encoder (60) are rotated in synchronization so that there is no error.
- the output (pulse) of the rotary encoder (60) and the flow of one pixel of the image are synchronized, and even if rotation unevenness occurs for each measured can (C), each can (C ), A stable inspection is performed without the expansion and contraction of the captured image.
- the image inspection by the image inspection means (54) of the inspection device (5) is conventionally performed.
- the image inspection means (54) compares the master image and the captured image pixel by pixel, and It is inspected for partial omissions and stains due to ink splashes.
- defects exceeding a predetermined size are rejected as inspections, and those exceeding a deviation allowable value for the master image are also rejected as inspections.
- the inspection by the concentration measuring means (55) of the inspection device (5) is performed on the single color solid part. That is, since it is difficult to measure the density at a place where a plurality of colors are overlapped, a part having a single-color solid portion is designated in advance for each color, and the density at the designated part (density measurement part) is specified. Measure.
- the density value can be obtained as an arithmetic average value of the RGB components of the pixel that is set as the density measurement location, and can be obtained as a density difference from the density of the master image at each location. If the monochromatic solid part has a size of, for example, 0.8 mm ⁇ 0.8 mm, the density measurement is possible.
- the density is obtained by the number of ink call rollers (15) (for example, seven) for one color. In this embodiment, since the number of colors (the number of plate cylinders) is 8, a density measurement value of 8 ⁇ 7 is obtained.
- the concentration measurement result shown in FIG. 6 is displayed on the display of the inspection apparatus (5).
- the control device of the ink supply device (3) controls the contact time in the ink supply device (3) based on the preset density target value, and the density measuring means (55) of the inspection device (5).
- the concentration measurement result obtained in (1) is added to this control. Specifically, when the density of a color at a certain location is lighter than the target value, the ink calling roller supplying this color to this location is made darker by increasing the contact length with the ink fountain roller. If the density of the color at a certain location is higher than the target value, the contact length with the ink fountain roller is shortened for the ink calling roller supplying this color to this location.
- No. No. 4 is relatively dark. 7 is relatively thin.
- no. No. 4 is relatively dark. 2 is relatively thin.
- the controller of the ink supply device (39) of the printing press (2) for example, based on the input of the density measurement result, for example, the first color No. supplying ink to the plate cylinder In No. 4 ink call roller, the contact length with the ink fountain roller is shortened, and ink is supplied to the plate cylinder of the first color. Change the contact length of the ink calling roller 7 with the ink fountain roller. As a result, the density of the first color is changed to be uniform as a whole. The same is done for the other colors.
- the density measurement result in the inspection device (5) is immediately fed back to the printing machine (2), and the ink feeding roller (15) is controlled by the control device of the ink supply device (3) to supply the supplied ink. The amount is changed. Thereby, the density can be corrected before the defective product is produced, and the generation of the defective product can be prevented.
- a printing displacement value inspection mark is printed for each color at the opening side end of the can (C). That is, on the printed surface of the can (C), as shown in FIG. 7A, in addition to the display necessary items such as the product name, company name, component, barcode, etc., a print displacement value inspection mark indicated by A In the finished can, it is added to the part hidden by the lid.
- the printing misalignment value inspection mark (A) is provided for all eight colors from 1 to 8, as shown in an enlarged view in FIG.
- a position indicated by a solid line in the figure is a reference position (a position of a designated mark in the master image), and a position indicated by a two-dot chain line in the figure is a position of each color obtained from the photographed image.
- the printing misalignment is very small.
- the printing misalignment value in the height direction of the can (C) (sometimes referred to as “height direction”) is large.
- the printing deviation value in the circumferential direction of the can (C) is large.
- the print misalignment value is obtained by the value of how many pixels (or how many mm) the designated mark position in the master image and the designated mark position in the photographed image are shifted, and this numerical value is as shown in FIG. And displayed on the display of the inspection device (5).
- the printing misalignment value is determined for each of the can height direction (axial direction of the plate cylinder (47)) and the can circumferential direction (circumferential direction of the plate cylinder (47)).
- the printing displacement value inspection mark (A) is, for example, a circle having a diameter of 0.5 mm, and the adjacent printing displacement value inspection mark (A) is a predetermined distance (for example, both in the can height direction and in the circumferential direction of the can). , 0.5 mm in the can height direction and 2 mm in the can circumferential direction).
- the printing deviation value in the height direction of the can (C) is sent to a control device (124) that controls the first motor (109) of the registration device (58), and the control device (124) In response to this, the first motor (109) is driven, whereby the axial position of the plate cylinder (47) is automatically adjusted.
- the printing deviation value in the circumferential direction of the can (C) is sent to the control device (125) that controls the second motor (110) of the registration device (58), and the control device (125) Accordingly, the second motor (110) is driven, and thereby the circumferential position of the plate cylinder (47) is automatically adjusted.
- the printing deviation value measurement result in the inspection device (5) is immediately fed back to the printing press (2), and the position adjustment (registration) of the plate cylinder (47) is performed by the registration device (58).
- the printing misalignment value can be corrected before defective printing misalignment is produced, and the occurrence of defective printing misalignment can be prevented.
- the printing deviation value measurement result can be fed back to the printing press (2) without depending on the control device (by hand).
- the print misalignment inspection mark (A) set to a circle with a diameter of 0.5 mm
- the print misalignment inspection mark (A) actually printed is a complete circle with a diameter of 0.5 mm
- the center position of the circle is detected with high accuracy, and using this center position enables accurate correction. That is, as shown in FIG. 8A, if the actual position is B with respect to the set position Q, the first motor 109 and the first motor of the registration device 58 are arranged so that B approaches Q.
- the two motors (110) may be controlled to adjust the axial and circumferential positions of the plate cylinder (47).
- the print misalignment inspection mark (A) that is actually printed has a marginal portion M that protrudes from the complete circle as the set value.
- the calculation result of the center position may deviate from the value B to be originally obtained. That is, the actual position calculated by the marginal portion M is shifted from B to B ′, and the axial direction and the circumferential direction of the plate cylinder (47) are used so that B ′ is brought close to Q by using B ′.
- the position of is adjusted, there arises a problem that the amount of deviation obtained differs from the actual amount of deviation.
- the marginal portion M is affected by the plate pressure, ink amount, temperature, etc., and it is difficult to calculate the marginal portion M in advance.
- a non-printing portion W is provided in the center of the circle of the printing deviation inspection mark (A), and the printing deviation inspection mark ( Assuming that the shape of A) is white, consisting of a white portion W and a printed portion P outside it, the white portion W is used to detect the center position of the print misalignment inspection mark (A). Like to do. Even when the overall center position including the marginal portion M is shifted to B ′, B is used instead of B ′ on the inner peripheral side of the print portion P. The axial and circumferential positions of the plate cylinder (47) can be adjusted so that B approaches Q. Therefore, the problem that the obtained misregistration amount is different from the actual misregistration amount is solved, and the correction accuracy of the printing misalignment is greatly improved.
- the ink amount of the print misalignment inspection mark (A) is reduced, and therefore the marginal portion M is reduced, thereby correcting the misalignment of the print misalignment. Will improve.
- the marginal portion M changes depending on the printing conditions, and can be approximated by, for example, a crescent shape.
- a crescent shape According to the above-described white print misalignment inspection mark (A), the center position of the white portion W in FIG. With respect to the marginal portion M approximated by a crescent shape by using the circle of the printed portion P centered on B, the position (in which direction it swells) and size (height, width, area, etc.), etc. Can be requested. Since the marginal part M is affected by the plate pressure, ink amount, temperature, and the like, by detecting and monitoring the marginal part M in this way, information on the suitability of the printing conditions can be obtained, and printing can be performed. The quality can be improved.
- the printing machine (2) for the can (C) has been exemplified, but the printing displacement value measuring method in the printing apparatus of the present invention is also applied to a printing machine for paper (offset printing machine and letterpress printing machine). Can be applied.
- the registration accuracy in the printing apparatus can be improved and the printing misalignment can be corrected with high accuracy, which can contribute to the improvement of the printing accuracy.
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- General Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Quality & Reliability (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
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Abstract
Description
(2) 印刷機
(47) 版胴
(52) 撮影装置
(53) 画像処理装置
(56) 印刷ズレ値測定手段
(A) 印刷ズレ検査用マーク
撮影装置(52)としては、缶全体を撮影する第1のカメラ(79)と、缶の開口側端部を撮影する第2のカメラ(80)とが使用されている。第1のカメラ(79)で撮影された画像は、画像検査手段(54)および濃度測定手段(55)で使用される。第2のカメラ(80)で撮影された画像は、印刷ズレ値手段(56)で使用される。
Claims (3)
- 異なる色を印刷するための複数の版胴を有し被印刷物への印刷を行う印刷機と、被印刷物に印刷された画像を撮影する撮影装置と、撮影した画像を処理する画像処理装置とを備え、画像処理装置は、被印刷物に印刷された印刷ズレ検査用マークの設定位置に対するズレ値を測定する印刷ズレ値測定手段を有している印刷装置において、印刷ズレを修正する方法であって、
印刷ズレ検査用マークは、白抜きの円形とされており、印刷ズレ値測定手段は、印刷ズレ検査用マークの白抜き部分を用いて設定位置に対するズレ値を測定することを特徴とする印刷装置における印刷ズレ修正方法。 - 印刷ズレ値測定手段は、印刷ズレ検査用マークの白抜き部分の外側にある円形の印刷部分を用いてマージナルの位置および大きさを求めることを特徴とする請求項1の印刷装置における印刷ズレ修正方法。
- 被印刷物は、缶であることを特徴とする請求項1または2の印刷装置における印刷ズレ修正方法。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17757456.3A EP3281792B1 (en) | 2016-06-24 | 2017-05-18 | Method for correcting printing misalignment in printing apparatus |
MYPI2018702117A MY193209A (en) | 2016-06-24 | 2017-05-18 | Method for correcting printing misalignment in printing apparatus |
CN201780000974.1A CN109311312B (zh) | 2016-06-24 | 2017-05-18 | 印刷装置中的印刷偏差修正方法 |
RU2018130500A RU2018130500A (ru) | 2016-06-24 | 2017-05-18 | Способ коррекции смещения при печати в печатном аппарате |
US15/555,974 US10549525B2 (en) | 2016-06-24 | 2017-05-18 | Method of correcting printing misalignment in printing apparatus |
MX2018006367A MX2018006367A (es) | 2016-06-24 | 2017-05-18 | Metodo para corregir desalineacion de impresion en aparato de impresion. |
BR112018010038-2A BR112018010038A2 (ja) | 2016-06-24 | 2017-05-18 | A printing gap correcting method in a printer |
KR1020177025175A KR102257662B1 (ko) | 2016-06-24 | 2017-05-18 | 인쇄 장치에 있어서의 인쇄 어긋남 수정 방법 |
ES17757456T ES2778858T3 (es) | 2016-06-24 | 2017-05-18 | Procedimiento para corregir la desalineación de impresión en un aparato de impresión |
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JP2016125325A JP6696641B2 (ja) | 2016-06-24 | 2016-06-24 | 印刷装置における印刷ズレ修正方法 |
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WO2020067099A1 (ja) * | 2018-09-26 | 2020-04-02 | 東洋製罐株式会社 | 筒状容器の製造方法及び筒状容器 |
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CN110893725B (zh) | 2018-09-12 | 2021-08-17 | 海德堡印刷机械股份公司 | 具有圆形测量标记的对版-套准测量 |
JP7240165B2 (ja) * | 2018-12-18 | 2023-03-15 | アルテミラ株式会社 | 印刷システム |
CN110136201A (zh) * | 2019-05-16 | 2019-08-16 | 深圳圣德京粤科技有限公司 | 一种基于图像识别的数码印刷定位方法 |
CN110936714A (zh) * | 2019-12-05 | 2020-03-31 | 孙海涛 | 彩色印刷套印偏差检测用微点色标组 |
US11338566B2 (en) * | 2019-12-10 | 2022-05-24 | Stolle Machinery Company, Llc | Image control system and can decorator employing same |
JP7502159B2 (ja) * | 2020-11-27 | 2024-06-18 | 住友重機械工業株式会社 | 印刷装置、印刷方法、印刷プログラム |
CN113059897A (zh) * | 2021-03-26 | 2021-07-02 | 广州诚鼎机器人有限公司 | 一种标记组 |
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- 2017-05-18 KR KR1020177025175A patent/KR102257662B1/ko active IP Right Grant
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- 2017-05-18 EP EP17757456.3A patent/EP3281792B1/en active Active
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Also Published As
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RU2018130500A (ru) | 2020-02-25 |
MX2018006367A (es) | 2018-09-05 |
KR102257662B1 (ko) | 2021-05-31 |
JP6696641B2 (ja) | 2020-05-20 |
MY193209A (en) | 2022-09-26 |
EP3281792A4 (en) | 2019-01-30 |
CN109311312B (zh) | 2020-07-14 |
EP3281792B1 (en) | 2020-01-22 |
KR20190070826A (ko) | 2019-06-21 |
US10549525B2 (en) | 2020-02-04 |
JP2017226176A (ja) | 2017-12-28 |
CN109311312A (zh) | 2019-02-05 |
BR112018010038A2 (ja) | 2018-11-21 |
ES2778858T3 (es) | 2020-08-12 |
TW201805180A (zh) | 2018-02-16 |
EP3281792A1 (en) | 2018-02-14 |
US20180264804A1 (en) | 2018-09-20 |
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