CN105856886A - Scanning ink-jet printing method and ink-jet printing apparatus - Google Patents

Scanning ink-jet printing method and ink-jet printing apparatus Download PDF

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Publication number
CN105856886A
CN105856886A CN201610176437.XA CN201610176437A CN105856886A CN 105856886 A CN105856886 A CN 105856886A CN 201610176437 A CN201610176437 A CN 201610176437A CN 105856886 A CN105856886 A CN 105856886A
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CN
China
Prior art keywords
printing
print media
discharge device
ink discharge
scanning direction
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.)
Pending
Application number
CN201610176437.XA
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Chinese (zh)
Inventor
韩京华
程亮
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.)
Beijing Boyuan Hengsheng High Technology Co Ltd
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Beijing Boyuan Hengsheng High Technology 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 Beijing Boyuan Hengsheng High Technology Co Ltd filed Critical Beijing Boyuan Hengsheng High Technology Co Ltd
Priority to CN201610176437.XA priority Critical patent/CN105856886A/en
Publication of CN105856886A publication Critical patent/CN105856886A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns

Landscapes

  • Ink Jet (AREA)

Abstract

The invention provides a scanning ink-jet printing method. The scanning ink-jet printing method is characterized by comprising the following steps: acquiring a stepping error value of a printing medium in a scanning direction; correcting a feed value of the printing medium in a subscanning direction according to the stepping error value; and printing an image onto the printing medium by using an interpolation printing method. According to the ink-jet printing method, the conveying error of each part of a paper feeding roller is measured and is compensated before interpolation printing, so accurate high-precision printing can be realized.

Description

Scanning type inkjet Method of printing and inkjet-printing device
Technical field
The present invention relates to a kind of scanning type inkjet Method of printing and inkjet-printing device, in particular relate to a kind of use interpolation to print to improve print image at the scanning type inkjet Method of printing of the print resolution of sub scanning direction and inkjet-printing device.
Background technology
Generally speaking, inkjet-printing device includes: motion bracket, motion bracket is provided with ink-jet ink discharge device, makes motion bracket band ink-jet ink discharge device move back and forth along main scanning direction (Y-direction), and in motor process in injection ink droplet on print media;And feed rollers, it carries print media along sub scanning direction (X-direction).The printer using feed rollers requires accurately to control feed rollers.If unstable to the control of feed rollers in print procedure, then it is possible to cause that black line occurs owing to printing overlapping, or it would be likely to be due to the space in the ranks widened and would cause that blank occurs.Owing to the resolution of ink discharge device its cost the highest is the highest, for cost-effective, in prior art, general employing interpolation prints and improves the inkjet-printing device print resolution at sub scanning direction.
Summary of the invention
The problem existed for prior art, it is an object of the invention to propose a kind of stability is high, accuracy is high scan-type interpolation Method of printing to improve the printing equipment print resolution in subscan mode.
It is for achieving the above object, proposes a kind of scanning type inkjet Method of printing, it is characterised in that comprise the following steps,
1) print media stepping error amount in scanning direction is obtained;
2) according to stepping error amount correction print media in the feed value of sub scanning direction;
3) interpolation Method of printing is used to print images onto on print media.
In above-mentioned scanning type inkjet Method of printing, above-mentioned steps 3) particularly as follows:
1) control ink discharge device to be ejected on print media by ink droplet during moving along main scanning direction;
2) control print media is along sub scanning direction feeding W=D/N+d, and wherein W is the feed value of print media, and D is the spacing between the ink nozzle in ink discharge device, and N is the positive integer set, and d is stepping error amount;
3) above-mentioned step 1) and 2 is repeated) until image has printed.
In above-mentioned scanning type inkjet Method of printing, above-mentioned step 1) particularly as follows:
1) ink discharge device injection test image is controlled on print media;
2) the stepping error amount of print media is obtained by image sensor scan test image.
In above-mentioned scanning type inkjet Method of printing, the forming method of described test image is:
1) control ink discharge device and spray the first test pattern on print media;
2) control print media to advance setpoint distance along sub scanning direction;
3) control ink discharge device and spray the second test pattern on print media.
In above-mentioned scanning type inkjet Method of printing, described stepping error amount d=d1-d2, wherein d1 is above-mentioned steps 2) in setpoint distance, d2 is described first test pattern and described second test pattern distance on sub scanning direction obtained by image sensor scan test image.
In above-mentioned scanning type inkjet Method of printing, described first test pattern and the M section straightway that described second test pattern is uniform printing fabric width, correspondingly, can obtain along M the stepping error amount printing fabric width, wherein M is setting value.
In above-mentioned scanning type inkjet Method of printing, described imageing sensor is optical pickocff, and described imageing sensor is arranged on the motion bracket that described ink discharge device is installed, and described imageing sensor moves at main scanning direction with described motion bracket.
Another object of the present invention is to propose a kind of scanning type inkjet printing equipment, it is characterised in that include
Conveying roller, is used for driving print media to do step motion along sub scanning direction;
Ink discharge device, for jet printing image and/or test image to print media;
Imageing sensor, for sweep test image to obtain the print media stepping error amount at sub scanning direction;
Storage device, is used for storing print image and stepping error amount;
Control device, for controlling the motion of conveying roller, imageing sensor and ink discharge device.
In above-mentioned scanning type inkjet printing equipment, described ink discharge device is piezoelectric ink jet ink discharge device, and described ink discharge device can move reciprocatingly along main scanning direction.
In above-mentioned scanning type inkjet printing equipment, described imageing sensor is optical pickocff, and described imageing sensor can move reciprocatingly along main scanning direction.
The other side of the present invention and/or advantage, part will be set forth in the description which follows, and part will become apparent from these describe, or can be obtained by the practice to the present invention.
Accompanying drawing explanation
By combining accompanying drawing description of preferred embodiments, the above-mentioned and/or other side of the present invention and advantage will become apparent, wherein:
Fig. 1 is the structural representation of the inkjet-printing device in one specific embodiment of the present invention;
Fig. 2 is another structural representation of the inkjet-printing device in one specific embodiment of the present invention;
Fig. 3 is the schematic diagram obtaining print media stepping error in the present invention;
Fig. 4 is the flow chart of the inkjet printing methods of the present invention.
Detailed description of the invention
Discussing now embodiments of the invention in detail, illustrate its example in accompanying drawing, the most identical label represents identical element all the time.Below with reference to the accompanying drawings embodiment is described so that the present invention to be described.
As depicted in figs. 1 and 2, the inkjet-printing device of the present invention includes printing dolly 2, arranges on dolly 2 one for installing the base plate 1 of ink discharge device printing, installs multiple ink discharge device, for spraying the ink of at least one color on base plate 1.Print dolly 2 to be arranged on guide rail beam 3, under the driving driving motor 6, print dolly 2 move reciprocatingly along the guide rail 4 being arranged on guide rail beam 3 (main scanning direction) in the first direction, printing dolly 2 to be connected with driving motor 6 by the combination of belt belt wheel, the driving motor 6 in the present invention selects servomotor.Print dolly 2, at rear side, one slide block (not shown) is installed, realize printing the reciprocating motion of dolly 2 by slide block and track combination.Guide rail beam 3 is also installed a grating scale 5, on dolly 2, grating read head is installed printing, grating read head coordinates with grating scale 5, ink discharge device ink jetting position in a first direction is determined by grating scale 5, grating scale 5 in the present invention is linear encoder, by the multiple labellings formed at equal intervals on encoder strip, control system, by the pulse count signal produced in linear encoder, accurately controls to print dolly 2 reciprocating motion in the Y direction.Also setting up on dolly 2 for the assistant print cartridges 8 of ink discharge device ink supply printing, wherein the quantity of assistant print cartridges 8 is consistent with needing the number of colours spraying ink, and an assistant print cartridges 8 can be at least one ink discharge device ink supply of injection same color ink.
Print media 7 is arranged on the underface printing dolly 2, and the inkjet-printing device in the present invention can be Reel-to-reel type inkjet-printing device, and print media 7 does step motion in the driving (sub scanning direction) in a second direction of paper advance mechanism.Paper advance mechanism in the present invention includes paper-pressing mechanism and conveying roller 11, paper-pressing mechanism includes paper pressing shaft and pressure roller, paper pressing shaft is provided with multiple pressure roller, during printing, print media 7 is interspersed between paper-pressing mechanism and conveying roller 11, print media 7 is pressed on conveying roller 11 under the effect of external force by paper-pressing mechanism, one end of conveying roller 11 is connected with paper pushing motor 13, conveying roller 11 is driven to rotate by paper pushing motor 13, owing to print media 7 is crushed between paper-pressing mechanism and conveying roller 11, under the effect of frictional force, conveying roller 11 drives print media 7 to do step motion along sub scanning direction.The circumference of conveying roller 11 one end is provided with encoder rotating disk.Pulse signal is produced for measuring the rotary encoder sensor of the rotational angle of encoder rotating disk, pulse signal is corresponding to the equidistant thin seam formed on the circumference of encoder rotating disk, control system is counted by pulse signals, controlling the rotational angle of conveying roller 14, i.e. print media is in the fed distance of sub scanning direction.
Driving motor 6 and paper pushing motor 13 in the present invention are all connected with control system 14, control system 14 control to drive motor 6 and the motion of paper pushing motor 13 according to printing needs.
Installing an imageing sensor 12 in the one or both sides printing dolly 2, for sweep test image and the information of acquisition is sent to control system 14, optical pickocff 12 uses linear encoder 2 detection test image position on sub scanning direction.
Ink discharge device arranges multiple ink nozzle for spraying ink droplet, owing to the diameter of ink nozzle is the least, generally human eye is the most easy to identify, and marking ink has volatility, when ink discharge device does not works, the ink of ink jet surface is readily volatilized dry and hard and causes ink nozzle to block, therefore the side at inkjet-printing device also sets up a scraping maintenance device 9, scraping maintenance device 9 is for carrying out moisturizing operation when ink discharge device does not works to ink discharge device, and during ink nozzle blocking in ink discharge device, ink discharge device carried out wiping and pressure ink purge operation.
The inkjet-printing device of the present invention can also be flatbed inkjet printing equipment, the movement relation printing dolly and print media in flatbed inkjet printing equipment can have two kinds, it is respectively, print dolly to move reciprocatingly in the first direction, print dolly simultaneously and do step motion in a second direction, print media moves the most up and down, and print media keeps transfixion in horizontal plane;Another way is, prints dolly and moves reciprocatingly in the first direction, and print media does step motion in a second direction, and print media vertically moves up and down.
Print media printable in the inkjet-printing device of the present invention includes: paper, lantern slide, various plastic material and other material being suitable for accepting printing.Owing to the thickness of input page is different with hardness, the printing dolly 2 of the present invention can carry out the adjustment of upper-lower position in the position of vertical direction, so that the distance optimization between the plane at the ink nozzle place of ink discharge device and the ink receptive face of print media.
As it is shown on figure 3, the inkjet-printing device of the present invention by following operation formed detection image: with print fabric width as 3.2m as a example by.The first detection image is printed initially with ink nozzle, the first detection image in the present invention is for being perpendicular to print media direction of feed from left to right, one dotted line (the first detection image in the present invention can also arrange bold portion 3cm, dotted portion 3cm) of full fabric width (3.2m).Then along print media direction of feed stepping setpoint distance, (the second detection image in the present invention is for being perpendicular to print media direction of feed from left to right to use ink nozzle second to detect image after stepping, one solid line of full fabric width (3.2m), if the second detection image covers all the first detection image (namely bold portion is completely covered dotted portion), illustrate that print media stepping error amount is 0, as shown in the A in Fig. 3.Observe for ease of operator, the first detection image and the second detection image in the present invention can use colour-difference to be formed away from two kinds of bigger ink injections, as used the ink discharge device injection ink droplet of injection magenta ink to form the first detection image, print media, along sub scanning direction feeding setpoint distance, uses the injection ink droplet of the ink discharge device of injection cyan ink to form the second detection image.
Specifically, as shown in B in Fig. 3, the solid line X1 that the second detection image is full fabric width in the present invention, the five sections of dotted lines that the first detection image is uniform fabric width in the present invention, the first dotted line X21, the second dotted line X22, the 3rd dotted line X23, the 4th dotted line X24 and the 5th dotted line X25.The first dotted line X21 distance distance of solid line X1 and the distance of the second dotted line X22 distance solid line X1 in figure, the distance of the 3rd dotted line X23 distance solid line X1, the distance of the 4th dotted line X24 distance solid line X1, the distance of the 5th dotted line X25 distance solid line X1 is the most equal, then illustrate that the stepping of print media in this case is consistent, but there is deviation in stepping, the deviation of stepping is and detects image distance second along print media direction of feed first and detect the distance of image, further, along print media direction of feed, if the first detection image is positioned at the front end of the second detection image, then illustrate that the stepping of print media is less than printing step value;If the first detection image is positioned at the rear end of the second detection image, then illustrate that the stepping of print media is more than printing step value.
Additionally a kind of situation is, as shown in C in Fig. 3, second detection image cannot cover the first detection image, and five sections of dotted line distances second that first in detection image to detect the distance of image not all equal or the most unequal, specifically, in figure first detection image in first dotted line X21 distance the distance of distance solid line X1 of solid line X1, second dotted line X22 distance the distance of solid line X1, the 3rd dotted line X23 distance the distance of solid line X1, the 4th dotted line X24 distance the distance of solid line X1, the 5th dotted line X25 distance solid line X1 distance the most at least two unequal.
As shown in Figure 4, the inkjet printing methods of the present invention specifically includes the step obtaining print media at the stepping error amount of scanning direction;According to stepping error amount correction print media in the step of the feed value of sub scanning direction;Interpolation Method of printing is used to print images onto the step on print media.The step obtaining stepping error amount in the present invention is specially and controls ink discharge device injection test image on print media;The stepping error amount of print media is obtained by image sensor scan test image.Employing interpolation Print direction print image in the present invention is to the step on print media particularly as follows: 1) control ink discharge device and during moving along main scanning direction, ink droplet is ejected on print media;2) control print media is along sub scanning direction feeding W=D/N+d, and wherein W is the feed value of print media, and D is the spacing between the ink nozzle in ink discharge device, and N is the positive integer set, and d is stepping error amount;3) above-mentioned step 1) and 2 is repeated) until image has printed.
As it has been described above, at the inkjet printing methods of the present invention by measuring the conveying error of a feed rollers often part, and carrying out the conveying error of the precompensation feed rollers of an interpolation printing often part, such that it is able to realize accurate high-precision printing.
Although having shown and described several embodiments of the present invention, but persons skilled in the art should be understood that, in the case of without departing from the spirit and scope of the present invention defined in the appended claims, can modify these embodiments, the scope of the present invention is limited by claim and equivalent thereof.

Claims (10)

1. a scanning type inkjet Method of printing, it is characterised in that comprise the following steps,
Obtain the print media stepping error amount in scanning direction;
According to stepping error amount correction print media in the feed value of sub scanning direction;
Interpolation Method of printing is used to print images onto on print media.
2. scanning type inkjet Method of printing as claimed in claim 1, it is characterised in that above-mentioned steps 3) particularly as follows:
Control ink discharge device to be ejected on print media by ink droplet during moving along main scanning direction;
Control print media is along sub scanning direction feeding W=D/N+d, and wherein W is the feed value of print media, and D is the spacing between the ink nozzle in ink discharge device, and N is the positive integer set, and d is stepping error amount;
Repeat above-mentioned step 1) and 2) until image has printed.
3. scanning type inkjet Method of printing as claimed in claim 1, it is characterised in that above-mentioned step 1) particularly as follows:
Control ink discharge device injection test image on print media;
The stepping error amount of print media is obtained by image sensor scan test image.
4. scanning type inkjet Method of printing as claimed in claim 3, it is characterised in that the forming method of described test image is:
Control ink discharge device and spray the first test pattern on print media;
Control print media to advance setpoint distance along sub scanning direction;
Control ink discharge device and spray the second test pattern on print media.
5. scanning type inkjet Method of printing as claimed in claim 4, it is characterized in that, described stepping error amount d=d1-d2, wherein d1 is above-mentioned steps 2) in setpoint distance, d2 is described first test pattern and described second test pattern distance on sub scanning direction obtained by image sensor scan test image.
6. scanning type inkjet Method of printing as claimed in claim 4, it is characterized in that, described first test pattern and the M section straightway that described second test pattern is uniform printing fabric width, correspondingly, can obtain along M the stepping error amount printing fabric width, wherein M is setting value.
7. scanning type inkjet Method of printing as claimed in claim 3, it is characterized in that, described imageing sensor is optical pickocff, and described imageing sensor is arranged on the motion bracket that described ink discharge device is installed, and described imageing sensor moves at main scanning direction with described motion bracket.
8. a scanning type inkjet printing equipment, it is characterised in that include
Conveying roller, is used for driving print media to do step motion along sub scanning direction;
Ink discharge device, for jet printing image and/or test image to print media;
Imageing sensor, for sweep test image to obtain the print media stepping error amount at sub scanning direction;
Storage device, is used for storing print image and stepping error amount;
Control device, for controlling the motion of conveying roller, imageing sensor and ink discharge device.
9. scanning type inkjet printing equipment as claimed in claim 8, it is characterised in that described ink discharge device is piezoelectric ink jet ink discharge device, and described ink discharge device can move reciprocatingly along main scanning direction.
10. scanning type inkjet printing equipment as claimed in claim 8, it is characterised in that described imageing sensor is optical pickocff, and described imageing sensor can move reciprocatingly along main scanning direction.
CN201610176437.XA 2016-03-25 2016-03-25 Scanning ink-jet printing method and ink-jet printing apparatus Pending CN105856886A (en)

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Application Number Priority Date Filing Date Title
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CN108032629A (en) * 2017-11-22 2018-05-15 杭州宏华数码科技股份有限公司 A kind of ink-jet decorating machine with the compensation of conduction band driving error
JP2018196956A (en) * 2017-05-24 2018-12-13 セイコーエプソン株式会社 Printing device and control method of printing device
JP2018196975A (en) * 2017-05-25 2018-12-13 セイコーエプソン株式会社 Printing device and control method of printing device
CN109823050A (en) * 2018-12-29 2019-05-31 华中科技大学 Drop towards inkjet printing sprays multistage location error compensation method and apparatus
CN110293777A (en) * 2018-03-22 2019-10-01 海德堡印刷机械股份公司 Method for compensating the disturbance torque in printing cylinder
JP2019177571A (en) * 2018-03-30 2019-10-17 理想科学工業株式会社 Inkjet printing device
CN110561929A (en) * 2019-08-23 2019-12-13 深圳市汉森软件有限公司 scanning type ink-jet printing control method, device, equipment and storage medium
CN111301021A (en) * 2018-12-11 2020-06-19 顺启和(深圳)科技有限公司 Jet printing method and jet printing system for implementing same
CN112497929A (en) * 2019-09-13 2021-03-16 株式会社斯库林集团 Printing method and printing apparatus
CN114312059A (en) * 2021-12-28 2022-04-12 宁波得力科贝技术有限公司 Paper feed control method and printer
CN115384201A (en) * 2022-08-26 2022-11-25 中国船舶重工集团公司第七0七研究所 Automatic calibration method and device for stepping paper feeding of plotter

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JP2018196956A (en) * 2017-05-24 2018-12-13 セイコーエプソン株式会社 Printing device and control method of printing device
JP2018196975A (en) * 2017-05-25 2018-12-13 セイコーエプソン株式会社 Printing device and control method of printing device
CN108032629A (en) * 2017-11-22 2018-05-15 杭州宏华数码科技股份有限公司 A kind of ink-jet decorating machine with the compensation of conduction band driving error
CN110293777A (en) * 2018-03-22 2019-10-01 海德堡印刷机械股份公司 Method for compensating the disturbance torque in printing cylinder
CN110293777B (en) * 2018-03-22 2021-04-09 海德堡印刷机械股份公司 Method for compensating for disturbance torques in a printing cylinder
JP7093661B2 (en) 2018-03-30 2022-06-30 理想科学工業株式会社 Inkjet printing equipment
JP2019177571A (en) * 2018-03-30 2019-10-17 理想科学工業株式会社 Inkjet printing device
CN111301021A (en) * 2018-12-11 2020-06-19 顺启和(深圳)科技有限公司 Jet printing method and jet printing system for implementing same
CN109823050B (en) * 2018-12-29 2019-12-24 华中科技大学 Multi-stage positioning error compensation method and device for liquid drop ejection for ink-jet printing
CN109823050A (en) * 2018-12-29 2019-05-31 华中科技大学 Drop towards inkjet printing sprays multistage location error compensation method and apparatus
CN110561929B (en) * 2019-08-23 2020-06-26 深圳市汉森软件有限公司 Scanning type ink-jet printing control method, device, equipment and storage medium
CN110561929A (en) * 2019-08-23 2019-12-13 深圳市汉森软件有限公司 scanning type ink-jet printing control method, device, equipment and storage medium
CN112497929A (en) * 2019-09-13 2021-03-16 株式会社斯库林集团 Printing method and printing apparatus
CN112497929B (en) * 2019-09-13 2022-07-12 株式会社斯库林集团 Printing method and printing apparatus
CN114312059A (en) * 2021-12-28 2022-04-12 宁波得力科贝技术有限公司 Paper feed control method and printer
CN114312059B (en) * 2021-12-28 2023-06-20 宁波得力科贝技术有限公司 Paper feeding control method and printer
CN115384201A (en) * 2022-08-26 2022-11-25 中国船舶重工集团公司第七0七研究所 Automatic calibration method and device for stepping paper feeding of plotter

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