EP0474268A1 - Method of registering screens in an automatic printing machine and apparatus for the same - Google Patents

Method of registering screens in an automatic printing machine and apparatus for the same Download PDF

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Publication number
EP0474268A1
EP0474268A1 EP91201230A EP91201230A EP0474268A1 EP 0474268 A1 EP0474268 A1 EP 0474268A1 EP 91201230 A EP91201230 A EP 91201230A EP 91201230 A EP91201230 A EP 91201230A EP 0474268 A1 EP0474268 A1 EP 0474268A1
Authority
EP
European Patent Office
Prior art keywords
screen
repeat
data
screens
screen unit
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.)
Ceased
Application number
EP91201230A
Other languages
German (de)
English (en)
French (fr)
Inventor
Shiro Ichinose
Minoru Onda
Katsumi Dohi
Mineki Fukui
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.)
Toshin Kogyo Co Ltd
Original Assignee
Toshin Kogyo Co Ltd
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 Toshin Kogyo Co Ltd filed Critical Toshin Kogyo Co Ltd
Publication of EP0474268A1 publication Critical patent/EP0474268A1/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/36—Screens, Frames; Holders therefor flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0831—Machines for printing webs
    • B41F15/0845—Machines for printing webs with flat screens
    • B41F15/085—Machines for printing webs with flat screens with a stationary screen and a moving squeegee
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/10—Machines for multicolour printing

Definitions

  • the present invention relates to a method of registering screens in an automatic printing machine and an apparatus for the same. More particularly, the present invention relates to a method in which initial presetting and registration of screens is automatically or semi-automatically and rationally performed in an automatic screen printing machine and apparatus for the same.
  • Register mark used herein is represented at 6D in Fig. 3-A and is also referred to as star mark or reference mark.
  • the shape of the register mark may be various shapes such as cross and circle other than the represented triangle.
  • the register mark is reproduced on the screen simultaneously with the printing pattern as a reference for accurately indicating the repeat length and the seam of the patterns.
  • an object of the present invention to provide an automatic screen multi-color printing machine in which all registration and presetting of screens are automated and semi-automated so that they can be achieved in quick and highly accurate manner for enhancing the working efficiency of the printing machine, saving man power and improving printing quality in multi-color printing of the automatic screen printing machine.
  • a method of registering screens in an automatic screen printing machine comprising the steps of:
  • an apparatus for registrating screens in an automatic screen printing machine comprising:
  • the positional deviation of the printing machine is expressed as data in the repeat direction (X direction), in the direction normal thereto (Y direction) and in the rotational direction (e direction) with respect to a given position of the origin.
  • the positional deviation of the reference mark of each printing screen is detected as data in the repeat direction, in the direction normal thereto and in the rotational direction based upon the origin and is preset.
  • Each screen is provided on the screen unit so that the position of the screen is finely adjustable in the repeat direction, in the direction normal thereto and in the rotational direction. Adjustment of the position of the screen is performed according to the preset data or the positional deviations.
  • Data on the repeat length of each screen and on the arrangement of each screen unit are preliminarily preset and the arrangement of the screen units to predetermined positions is performed accordance to the data on the arrangement.
  • the data on the positional deviation and the repeat length of each screen and the data on the arrangement of the screen unit are specific for each screen and are fixed. Accordingly, if the data of each screen are preset (stored) once, when the colors are changed for the same screen or storag- ed screen is used again, the positional deviation data, repeat length data or the arrangement data can be read by merely inputting a number which can identify the screen so that registration and fine adjustment of the position can be automatically performed.
  • the positional deviation data of a plurality of screen in the repeat direction, in the direction normal thereto and in the reotational direction be detected as the number of pulses and be preset and that the repeat length data of the screens and the arrangement data of the screen units be preset.
  • each screen can be moved from the reference position on the printing machine to a position where the preset number of pulses is counted out and can be fixed thereto and the screen on the fixed screen can be finely adjusted by moving it in the repeat direction, in the direction normal thereto and in the rotational direction according to the preset number of pulse.
  • the screen unit position adjusting mechanism is provided with a pulse generators and a combination of a servo drive mechanism and a pulse generator, and the screen registration mechanism is provided with a servo drive mechanism which drives the screen in the repeat direction, in the direction normal thereto and in the rotational direction and a pulse generator attached thereto.
  • the computer and the screen unit position adjusting mechanism are operatively associated for moving each screen unit from the reference position to a position on the printing machine where the preset number of pulsed is counted out and for fixing the same thereto.
  • the computer and the screen registration adjusting mechanism are operatively associated for finely adjusting the screen on the fixed screen unit by moving he screen in the repeat direction, in he direction normal thereto and in the rotation direction. This automates or semi-automates all registration working.
  • registration and presetting of each screen can be performed, for example, according to the steps as follows:
  • all registration and presetting of screens are automated and semi-automated so that they can be achieved in quick and highly accurate manner. This can enhance the working efficiency of the printing machine, resulting in saving in power and improvement in printing quality in multi-color printing of the automatic screen printing machine.
  • Informational data on registration of each screen for one pattern are all expressed numerically so that automation of the whole of the printing machine becomes possible.
  • front and rear rollers 2 and 3 are provided at the opposite front and rear ends of a machine base 1, respectively.
  • An endless belt 4 is tensioned between the front and rear rollers 2 and 3 and is intermittently driven by a known method (refer to Japanese Examined Patent Publication No. 60-31728).
  • a plurality of screen units 5 (5-1 through 5-5) are disposed above the endless belt 4.
  • One of screens 6 (6-1 through 6-5) is mounted on each screen 5.
  • a fabric 7 to be printed is introduced upon the endless belt 4 in a direction of an arrow from the left side as viewed in the drawing. After the fabric has been printed through the screens 6 by a known method, it will be conveyed out of the machine toward subsequent installation such as drier.
  • Stoppers 8-A are secured to the opposite sides of the machine base 1 at the left end (front side to which the fabric to be printed is introduced) thereof.
  • An imaginary line A-A passing through the end face between the opposite sides is defined as a reference line serving as an origin of the movement of the screen unit 5.
  • Stoppers 8-B are secured to the both sides of the machine base at the opposite end (rear end left as viewed in the drawing). These stoppers only serve to define a limit of the movement of the screen unit 5.
  • a pair of racks 9 extend along the entire length of the printing machine between the stoppers 8-A and 8-B above the machine base 1 and are secured to the opposite sides the machine base so that they perform the parallel movement of the screen unit 5 as will be described.
  • Each screen unit comprises two squeeze guide rail 10 along which a squeeze device (not shown) travels for printing, a squeeze driving device 11, bearing devices 12 and 13 for squeeze delivering chains (not shown), a screen supporting and adjusting devices 14 and 15, and beams 16 on which the screen supporting and adjusting devices are mounted.
  • a squeeze device (not shown) travels for printing
  • a squeeze driving device 11 bearing devices 12 and 13 for squeeze delivering chains
  • a screen supporting and adjusting devices 14 and 15 for squeeze delivering chains
  • beams 16 on which the screen supporting and adjusting devices are mounted.
  • the screen unit is mounted on the machine base 1 while two pinions 17 are coupled to each of pinion shafts 18 in such a manner that two pinions 17 are threadably engaged with each of a pair of racks 9 extending along the entire length of the printing machine and provided on the opposite sides of the machine base 1 and can be positively moved in a parallel relation ship with each other.
  • a motor 19 is integrally mounted on the other bearing device 12 together with a reduction gear 20 and transmits a rotational driving force to the pinion shaft 18 via a bevel gear mechanism 21. This causes the two pinions 17 borne by the bearing devices 12 and 13 to be integrally rotated so that the whole of the screen unit 5 is parallel moved on the machine base 1.
  • the movement amount is detected by a pulse generator 22 which is directly connected with the pinion shaft 18 through a coupling and the like for performing the operation which will be described.
  • Fixing devices 12-A and 13-A are attached to respective bearing devices 12 and 13 for fixing the screen unit 5 in the machine base 1 in place by applying a gripping force exerted by a pneumatic actuator and the like on completion of the registration of the screen unit 5.
  • the screen supporting and adjusting devices 14 and 15 are mounted on the beams 16 which are located on the opposite sides (lower and upper sides as viewed in the drawing) of the screen unit 5, respectively with respect to the center thereof.
  • the screen supporting and adjusting device 14 which is located in the lower side as viewed in the drawing is provided with a central adjusting block 23 in such a manner that the block 23 is finely movable relative to a bracket 24 secured on the beam 16 in an either X or Y direction by the rotation of screws 25 and 26.
  • a motor 27 and a reduction gear 28 are mounted on the bracket 24 so that they are directly coupled to a screw 25 for imparting the rotation thereto.
  • a pulse generator 29 is directly connected with one end of the screw 25 for detecting the rotational amount, that is, the movement amount of the adjusting block 23 in the X direction.
  • a pair of guide shafts 30 slidably pass through the adjusting block 23 and a bracket 31 secured to the shafts 30 at one end thereof so that the adjusting block 23 is movable in a Y direction.
  • a motor 32 and a reduction gear 33 mounted on the bracket 31 for imparting rotation to the screw 26 via a bevel gear mechanism 34. The rotational amount is detected by a pulse generator 35 directly connected with the motor 32 and the reduction gear 33.
  • An arm 36 is secured to the other end of the two guide shafts 30.
  • a bracket 37 and a reference pin 38 are integrally secured to the arm 36 at the center thereof.
  • the reference pin 38 is engaged with s reference hole 6A of the screen 6 as shown in Figs. 3-A and 3-B and will be hereafter described so that the screen is allowed to move by adjustment in X and Y directions as is similar to the adjusting black 23.
  • the arm 36 is provided at the opposite ends thereof with height adjusting screws 39 and receptacle fittings 40 with which the screws 39 are threadably engaged for vertically moving the same.
  • the screws and fittings bear the screen 6 so that the space between the screen 6 and the fabric 7 to be printed can be finely adjusting by the adjusting screws 39.
  • the other (upper as viewed in the drawing) screen supporting and adjusting device 15 is also provided with an adjusting block 41 at the center thereof so that the adjusting block 41 can be finely moved relative to the bracket 42 secured on the beam 16 in only an direction of X' in the drawing by the rotation of the screw 43.
  • a motor 44 and a reduction gear 45 are mounted on the bracket 42 that they are directly coupled to a screw 43 for imparting the rotation thereto.
  • a pulse generator 46 is directly connected with one end of the screw 43 for detecting the rotational amount, that is, the movement amount of the adjusting block 41 in the X' direction.
  • the supporting and adjusting device 15 also includes two guide shafts 15 which pass through adjusting block 41.
  • An arm 36 is secured to one end of the guide shaft 15, and a bracket 37 and a reference pin 38 are integrally secured to the arm 36 as is similar to the device 41.
  • the adjusting device 15 is different from the adjusting device 14 in that an engagement portion of the screen 6 of the adjusting device 15 is an elongated groove 6B with which the reference pin 38 is engaged so that the reference pin 38 is slidable in the groove 6B when the screen is moved in a Y direction by an adjustment by the adjusting device 14, and the reference pin 38 serves to lock the screen only in an X' direction. (Refer to Fig. 3-A).
  • the arm 36 is similarly provided with height adjusting screws 39 and receptacle fittings 40 at the opposite ends thereof for supporting the screen 6 and for finely adjusting the height thereof.
  • the above-mentioned beams 16 which are provided on the opposite sides of the machine are extendably secured to mount fittings 48 at the both ends thereof.
  • the mounting fitting 48 are movably secured to slide rails 49 which are in parallel secured to the squeeze guide rails 10. This enables each screen unit 5 to cope with changes in dimension of the screen 6 in a repeat direction (X direction in the drawing) and a printing width direction (Y direction).
  • each screen unit 5 can be automatically moved to a given position by the motor 19.
  • the screen 6 is finely adjusted in X, Y and X' directions by the motors 27, 32, 44 provided in the screen supporting and adjusting devices 14 and 15.
  • the X' direction adjustment on the side of supporting and adjusting device 14 enable the unit 5 to adjust the screen 6 in a direction of an arrow. Accordingly, these enable the screen 6 to be automatically adjusted in three components such as repeat direction (transport direction), printing width direction and the torsional direction.
  • Suitable motor used for these adjustments includes d.c. motor, various servo motors, stepping motor and reversible motor and the like.
  • the whole of the screen 6 is shown in Fig. 3-A.
  • the screen 6 is conventionally known and comprises a frame made of an alminium alloy and a mesh woven by polyester filaments and the like which is tensioned within and bonded to the frame. Printing pattern 6C is reproduced on the mesh.
  • the screen supporting and adjusting devices 14 and 15 include reference pins 38 and the screen 6 is provided with the reference hole 6A and the elongated groove 6B corresponding to the pins 38 of the devices 14 and 15, respectively as illustrated in the drawings and mentioned above so that the registration of the screen 6 can be adjusted in X, Y and directions.
  • the pattern 6C for printing is reproduced on the screen 6 and register marks 6D are reproduced simultaneous with the reproduction of the pattern 6C at the four corners which are in positions separated in a repeat direction by a distance equal to the repeat length P and separated in a width direction by a distance equal to a width W plus 2w.
  • the register marks 6D indicate reference positions of the pattern in the screen. That is, if the register marks 6D are accurately registered for each screen, the patterns would automatically be registered.
  • a screen reference position measuring device 60 shown in Fig. 4 is used.
  • Two CCD (Charged Coupled Device) cameras 62 are disposed above a table 61 of the screen reference position measuring device (hereafter merely referred to as measuring device) 60 by a moving mechanism (not shown) which is capable of finely adjusting the position of the cameras 62 in X and Y directions.
  • Two measurement reference pins 63 relevant to the reference pins 38 of the screen supporting and adjusting devices 14 and 15 are provided on the opposite sides of the table 61 with respect to the center thereof so that the positions of the pins 63 cannot be changed by fixing them to the table 61 in this case.
  • one of the measurement reference pins may be movably secured to the table if the dimension W of the screen 6 in the width direction changes.
  • each screen that is, the spaces Q, Q' and U between the reference hole 6A, elongated groove 6B and the register marks 6D are measured by using the measuring device 60 as follows:
  • the number of the screens for one patterns is several to 20 and several according to the number of colors.
  • the first screen is first placed upon the table 61 of the measuring device 60 so that the measurement reference pins 63 are aligned with the reference hole 6A and the elongated groove 6B of the screen.
  • the CCD camera 6 is moved in X and Y directions in Fig. 4 by the fine adjusting and moving mechanism (not shown) so that the two sides of the register marks 6D of the first screen are aligned with reference lines x and y of the CCD camera 62 shown in Fig. 4-A. Then the position of the screen is fixed. After completion of the alignment, each of values of the spaces Q, Q' and U of the first screen defining the reference position of the screen is inputted to and stored in a control device which will be described hereafter.
  • the deviations X' or X" and Y' or Y" of each of the second and subsequent screens from the first screen are determined by only aligning the reference hole 6A and the elongated groove 6B of each screen with the measurement reference pins 63 without moving the CCD cameras 62.
  • a measuring field 62A is present for the CCD camera 62 as shown in Fig. 4-A. Although the measuring field 62A is desiredly changed by adjusting the height of the camera and the lens according to the purpose, 5 mm x 5 mm measuring field is used in the present invention.
  • the unit of length to be measured is changeable according to the purpose, 5 mm equally divided by 500, that is, 0.01 mm is measured as an unit of length to be measured in accordance with the present invention.
  • the deviations of reference positions of all of the second and subsequent screens from of the first screen are determined as x' or x", and y' or y" in such a manner and then stored in the control device as registration data of each screen.
  • the control device of the present invention comprises a controller 70 for the CCD cameras 62, a computer device 71, a motor control device 72, motors 19, 27, 32, 44 and pulse generator 22, 29, 35 and 46 for each screen unit 5 as shown in schematic block diagram of Fig. 5.
  • Registration data that is, values of x' or x", and y' or y" of Fig. 4-B for each screen measured by the above mentioned measuring device 60 are inputted to the computer device 71 via the controller 70 and stored therein according to preliminarily defined identification number of each screen for one pattern.
  • the screen units (5-1 through 5-5 in Fig. 1) should be equally spaced at spacing 2P in a line as shown in Fig. 1.
  • the space between screen units is usually set a double of the repeat length P, it may be 3P or 4P according to the conditions of printing working. Accordingly, it is always necessary to monitor which positions each screen unit is located in by the pulse generator 22.
  • the screen unit 5-5 at the rightmost end in Fig. 1 is placed upon the base 1 so that the end face of the above-mentioned stopper 8A, that is, the line A-A is aligned with one end face of the screen unit.
  • the count of pulses generated by the pulse generator 22 is reset to zero so that this position is considered as an origin of the movement of the screen unit.
  • the motor is driven by the operation of a remote controller 75 annexed to each screen unit 5 to move the screen unit 5-5 in a right direction in Fig. 1 to a desired position in the vicinity of the stopper 8B.
  • the movement amount is detected by the pulse generator 22 so that the current position from the origin is stored.
  • the screen units 5-4, 5-3, 5-2 and 5-1 are successively mounted on the machine. Every screen unit is desiredly moved so that the current position is stored as the number of pulses by respective pulse generator 22.
  • each screen unit 5-1 through 5-5 is automatically moved to a prescribed position by the switching operation of a screen unit moving device similarly provided in the motor control device 72.
  • each screen unit stores it's own current position and is moved by a distance corresponding to the number of instruction pulses in either direction and is stopped.
  • the fixing devices 12A and 13A of each screen unit are operated to fix the screen unit in that position and a lamp of each screen unit is illuminated to indicate the completion of movement to the motor control device 72.
  • the end face 5A of the first screen unit 5 (left end if Fig. 1) may be aligned with the line A-A or is separated therefrom at a space D according to conditions. In the latter case, it is instructed that the number of the pulses corresponding to the space D by added to each of screen units 5-1 through 5-5.
  • the screen 6 is mounted upon each screen unit to perform registration there between.
  • the position far from one end face by the distance E is defined as the origin for the pulse generators 29 and 46.
  • the distance E is one half of the full width F of the screen unit 5 and is defined as the distance between the one end 5A of the screen unit 5 and the enter of the reference pin 38 provided in the screen supporting and adjusting devices 14 and 15.
  • the distance E is determined by using the same measuring gauge or measuring tool and the count of pulses generated by the pulse generators 29 and 46 of each screen unit is reset to zero by considering this point as an origin.
  • the distance G between the end face of the machine base 1 and the center of the reference pin 38 is equally preset for every screen unit by using the same measuring tool and the like and the count of the pulses generated by the pulse generator 35 is reset to zero by defining this point as an origin.
  • Other method for determining an origin for registration of each screen includes a method using a mother screen.
  • a single mother screen having the same repeat length and printing width as the screen used for printing and having no pattern, on which only register marks 6D are accurately reproduced is used for determining an origin.
  • This mother screen is mounted on the first screen unit 5-1 and the register marks 6D are provisionally printed on the endless belt in positions which are separated by a repeat length with white powders and the like as mentioned in the preamble of the specification and each pulse generator is reset to zero for the origin of the first screen unit 5-1 under the condition as it is. Then, the mother screen is moved to the second screen unit 5-2 and the provisionally printed register marks on the endless belt is aligned with the register marks of the mother screen and the aligned position is considered as on origin. The origin can be determined by similarly moving the same mother screen to the screen units 5-3, 5-4 and aligning the register marks.
  • the screen register switch provided in the motor control device 72 is actuated. This causes the register data, x' or x" and y' or y" to be downloaded into the motor control device 72 from the computer device 71, which provides the number of pulses as a register instruction to each motor of respective screen unit.
  • each motor drives each of screws 25, 26 and 43 to rotate in a direction by an amount as instructed by the instructions so that the registration of all screens is quickly and automatically achieved. Adjusting amount for registration of each screen is detected by respective pulse generators 29, 35 and 46 and is fed back to the motor control device 72. When the number of the pulses for movement for adjustment reaches the number of the instruction pulses, the registration of each screen is terminated.
  • the adjustments for registration can be individually performed by the remote controller 75 which is provided in each screen unit.
  • a bar code printer 73 connected with the computer device 71 so that a bar code 74 can be issued each time when the screen is measured by the measuring device 60.
  • the bar code 74 is in advance applied to each screen at a given place and the model identification number of the screen is read by a bar code reader to request the computer device 71 to download the registration data of the screen.
  • This method of control can be adopted and is advantageous when the number of the stored screens is large so that the control of the screens becomes more complicated.
  • the pulse generator 22 which is directly coupled to the pinion shaft 18 in the screen unit position adjusting device is essential in view of position control of the screen unit in the apparatus of the present invention, it is to be understood that the screen unit driving motor 19 can be omitted. In this case, the movement of the screen unit is manually carried out by an operator. Position adjustment would be performed in an easy and efficient manner by stopping the screen when the preset and indicated distance is zero and by fixing the screen by means of the fixing device 13A.
  • the position deviations of reference mark of each screen for printing is detected and preset as data in a repeat direction, in a direction normal thereto and in a rotational direction based on the origin point, each screen is provided on the screen unit so that it is finely adjustable in the repeat direction, in the direction normal thereto and in the rotational direction and the adjustment of the screen may be performed based upon the preset data on the positional deviation, and data on the repeat length and arrangement of each screen unit are preliminarily preset and the screen unit is arranged in a given position of a machine based upon the arrangement data.
  • all registration and presetting of screens are automated and semi-automated so that they can be achieved in quick and highly accurate manner. This can enhance the working efficiency of the printing machine, resulting in saving in power and improvement in printing quality in multi-color printing of the automatic screen printing machine.
  • Informational data on registration of each screen for one pattern are all expressed numerically so that automation of the whole of the printing machine becomes possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
  • Control Of Position Or Direction (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP91201230A 1990-09-04 1991-05-24 Method of registering screens in an automatic printing machine and apparatus for the same Ceased EP0474268A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP232397/90 1990-09-04
JP2232397A JPH0613214B2 (ja) 1990-09-04 1990-09-04 自動スクリーン捺染機におけるスクリーンの自動位置決め設定方法及び装置

Publications (1)

Publication Number Publication Date
EP0474268A1 true EP0474268A1 (en) 1992-03-11

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Application Number Title Priority Date Filing Date
EP91201230A Ceased EP0474268A1 (en) 1990-09-04 1991-05-24 Method of registering screens in an automatic printing machine and apparatus for the same

Country Status (4)

Country Link
EP (1) EP0474268A1 (ja)
JP (1) JPH0613214B2 (ja)
KR (1) KR920006124A (ja)
TW (1) TW254893B (ja)

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DE4314228A1 (de) * 1993-04-30 1994-11-03 Heidelberger Druckmasch Ag Einrichtung zur Korrektur des Schrägregisters an Druckmaschinen
DE4401900A1 (de) * 1994-01-24 1995-07-27 Heidelberger Druckmasch Ag Verfahren zur Bildlagekorrektur beim Drucken auf einen Bedruckstoff
EP0727310A1 (en) * 1995-02-14 1996-08-21 Viero S.R.L. Improved plant for printing fabrics and the like
GB2305892A (en) * 1994-05-03 1997-04-23 Konstantine George Savva Image printer
EP0918641A1 (en) * 1996-06-04 1999-06-02 Preco Industries, Inc. Screen printing press having longitudinal, lateral and angular screen frame registration system and method
GB2361212A (en) * 2000-04-14 2001-10-17 Minami Co Ltd Screen printing apparatus with camera to position mask
CN104354453A (zh) * 2014-10-21 2015-02-18 吴江迈为技术有限公司 一种太阳能电池片的高效印刷方法及其装置
CN115008879A (zh) * 2022-06-29 2022-09-06 浙江衢州祥光橡塑有限公司 一种丝网印刷机及其使用方法

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JP4628571B2 (ja) * 2001-03-26 2011-02-09 株式会社日立ハイテクインスツルメンツ スクリーン印刷機
JP6290206B2 (ja) 2013-06-18 2018-03-07 株式会社Ｊｃｕ 無電解金属めっきのブリッジ防止液およびこれを用いたプリント配線板の製造方法
CN113858777B (zh) * 2021-09-30 2022-09-30 江西华派光电科技有限公司 一种丝印双刮装置

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EP0364424A2 (en) * 1988-10-10 1990-04-18 Svecia Silkscreen Maskiner AB A method of locating a print in a respective printing position in multi-colour silk screen printers
DE3904863A1 (de) * 1989-02-17 1990-08-23 Ind Siebdruck Systeme Neckarwe Flachbett-siebdruckmaschine zum bedrucken von elektrischen leiterplatten

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Cited By (14)

* Cited by examiner, † Cited by third party
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DE4314228C2 (de) * 1993-04-30 2002-02-28 Heidelberger Druckmasch Ag Verfahren und Einrichtung zur Korrektur des Schrägregisters an Druckmaschinen
DE4314228A1 (de) * 1993-04-30 1994-11-03 Heidelberger Druckmasch Ag Einrichtung zur Korrektur des Schrägregisters an Druckmaschinen
DE4401900A1 (de) * 1994-01-24 1995-07-27 Heidelberger Druckmasch Ag Verfahren zur Bildlagekorrektur beim Drucken auf einen Bedruckstoff
US6429945B1 (en) 1994-01-24 2002-08-06 Heidelberger Druckmaschinen Ag Method of correcting the position of an image to be printed on a printing material
DE4401900C2 (de) * 1994-01-24 1998-07-09 Heidelberger Druckmasch Ag Verfahren zur Steuerung einer Druckbildlage auf einem Bogen in einer Bogendruckmaschine
GB2305892A (en) * 1994-05-03 1997-04-23 Konstantine George Savva Image printer
EP0727310A1 (en) * 1995-02-14 1996-08-21 Viero S.R.L. Improved plant for printing fabrics and the like
EP0918641A4 (en) * 1996-06-04 1999-09-29 Preco Ind Inc SCREEN PRINTING MACHINE WITH A DEVICE AND METHOD FOR THE LONG-LATERAL AND CONTINUOUS REGISTER OF THE SCREEN PRINTING FRAME
EP0918641A1 (en) * 1996-06-04 1999-06-02 Preco Industries, Inc. Screen printing press having longitudinal, lateral and angular screen frame registration system and method
GB2361212A (en) * 2000-04-14 2001-10-17 Minami Co Ltd Screen printing apparatus with camera to position mask
GB2361212B (en) * 2000-04-14 2003-11-26 Minami Co Ltd Screen-printing apparatus
CN104354453A (zh) * 2014-10-21 2015-02-18 吴江迈为技术有限公司 一种太阳能电池片的高效印刷方法及其装置
CN104354453B (zh) * 2014-10-21 2017-02-08 苏州迈为科技股份有限公司 一种太阳能电池片的高效印刷方法及其装置
CN115008879A (zh) * 2022-06-29 2022-09-06 浙江衢州祥光橡塑有限公司 一种丝网印刷机及其使用方法

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TW254893B (ja) 1995-08-21
JPH04113846A (ja) 1992-04-15
JPH0613214B2 (ja) 1994-02-23
KR920006124A (ko) 1992-04-27

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