Summary of the invention
The present invention just based on above-mentioned technical problem one of at least, propose the characteristic generation technique of a kind of new printing machine, the characteristic curve of printing machine can be made easily, and then when printing, achieve preset inking, decrease transferring time during printing, and cross the use amount of millboard, improve printing efficiency, and save cost.
In view of this, according to an aspect of the present invention, propose a kind of characteristic generation method of printing machine, comprising: make the delta-shaped region to be printed running through the whole space of a whole page; According to the maximum print breadth of printing machine and single ink-covered area width, described delta-shaped region is divided into multiple ink-covered area, and the black key assignments of each ink-covered area in described multiple ink-covered area is set respectively; According to the black key assignments of described each ink-covered area, described delta-shaped region is printed; Add up the dot percentage in described each ink-covered area; The characteristic curve of described printing machine is made according to the dot percentage in the black key assignments of described each ink-covered area and described each ink-covered area.
In this technical scheme, by adding up the dot percentage in each ink-covered area, and the characteristic curve of printing machine is made according to the dot percentage in the black key assignments of each ink-covered area and each ink-covered area, the characteristic curve of printing machine can be made easily, and then when printing, achieve preset inking, decrease transferring time during printing, and cross the use amount of millboard, improve printing efficiency, and save cost.Wherein, when making the characteristic curve of printing machine, using dot percentage as input value node, black key assignments can be drawn the characteristic curve of printing machine as output valve node.
In technique scheme, preferably, described delta-shaped region is wedge shape figure.
In this technical scheme, specifically, the space of a whole page is rectangle under normal circumstances, therefore two limits of the diagonal of the rectangle space of a whole page and the space of a whole page can be formed above-mentioned delta-shaped region, i.e. wedge shape figure (Rising Wedge or Falling Wedge).
In technique scheme, preferably, also comprised before described delta-shaped region is printed: in described delta-shaped region, fill the CMYK tetra-look plain net presetting site value; Carry out off line to the space of a whole page at the delta-shaped region place of filling after described CMYK tetra-look plain net directly to make a plate.
In this technical scheme, due to when printing, usually there is C(Cyan, cyan), M(Magenta, magenta), Y(Yellow, yellow), K(Key Plate, use the galley of tusche) four kinds of colors, therefore, in order to obtain complete printing machine characteristic curve, the four look plain nets presetting site value (as 75%) can be filled, so that the follow-up characteristic curve making printing machine for each colour cell respectively in above-mentioned delta-shaped region.
In technique scheme, preferably, the step of adding up the dot percentage in described each ink-covered area is specially: in described each ink-covered area, adds up the dot percentage of each colour cell in described CMYK tetra-colour cells respectively; Dot percentage in the described black key assignments according to described each ink-covered area and described each ink-covered area makes the characteristic step of described printing machine, be specially: according to the dot percentage of each colour cell described in the black key assignments of described each ink-covered area and described each ink-covered area, make the characteristic curve of printing machine corresponding to described each colour cell.
In this technical scheme, the dot percentage of each colour cell in CMYK can be added up respectively, to make the characteristic curve of printing machine corresponding to each colour cell.
In technique scheme, preferably, also comprise: the characteristic curve according to described printing machine prints test living-article; After described test living-article is completed for printing, be optimized process according to the characteristic curve of printing machine described in the actual black key-value pair that each ink-covered area in described test living-article is corresponding.
In this technical scheme, by being optimized process to the characteristic curve of printing machine, can obtain more accurate printing machine characteristic curve, with when printing, the ink of putting realizing accurately controlling printing machine according to the characteristic curve of printing machine is measured.
According to a further aspect in the invention, also proposed the characteristic generating apparatus of a kind of printing machine, comprising: space of a whole page production unit, for making the delta-shaped region to be printed running through the whole space of a whole page; Ink-covered area division unit, for described delta-shaped region being divided into multiple ink-covered area according to the maximum print breadth of printing machine and single ink-covered area width, and arranges the black key assignments of each ink-covered area in described multiple ink-covered area respectively; Printing element, for the black key assignments according to described each ink-covered area, prints described delta-shaped region; Site statistic unit, for adding up the dot percentage in described each ink-covered area; Processing unit, for making the characteristic curve of described printing machine according to the dot percentage in the black key assignments of described each ink-covered area and described each ink-covered area.
In this technical scheme, by adding up the dot percentage in each ink-covered area, and the characteristic curve of printing machine is made according to the dot percentage in the black key assignments of each ink-covered area and each ink-covered area, the characteristic curve of printing machine can be made easily, and then when printing, achieve preset inking, decrease transferring time during printing, and cross the use amount of millboard, improve printing efficiency, and save cost.Wherein, when making the characteristic curve of printing machine, using dot percentage as input value node, black key assignments can be drawn the characteristic curve of printing machine as output valve node.
In technique scheme, preferably, the described delta-shaped region that described space of a whole page production unit makes is wedge shape figure.
In this technical scheme, specifically, the space of a whole page is rectangle under normal circumstances, therefore two limits of the diagonal of the rectangle space of a whole page and the space of a whole page can be formed above-mentioned delta-shaped region, i.e. wedge shape figure (Rising Wedge or Falling Wedge).
In technique scheme, preferably, described space of a whole page production unit also for: before described printing element prints described delta-shaped region, described delta-shaped region is filled to the CMYK tetra-look plain net presetting site value; And off line is carried out to the space of a whole page at the delta-shaped region place of filling after described CMYK tetra-look plain net directly make a plate.
In this technical scheme, due to when printing, usually there is C(Cyan, cyan), M(Magenta, magenta), Y(Yellow, yellow), K(Key Plate, use the galley of tusche) four kinds of colors, therefore, in order to obtain complete printing machine characteristic curve, the four look plain nets presetting site value (as 75%) can be filled, so that the follow-up characteristic curve making printing machine for each colour cell respectively in above-mentioned delta-shaped region.
In technique scheme, preferably, described site statistic unit specifically for: in described each ink-covered area, add up the dot percentage of each colour cell in described CMYK tetra-colour cells respectively; Described processing unit specifically for: according to the dot percentage of each colour cell described in the black key assignments of described each ink-covered area and described each ink-covered area, make the characteristic curve of printing machine corresponding to described each colour cell.
In this technical scheme, the dot percentage of each colour cell in CMYK can be added up respectively, to make the characteristic curve of printing machine corresponding to each colour cell.
In technique scheme, preferably, described printing element also for: according to the characteristic curve of described printing machine, test living-article is printed; Described processing unit also for: after described printing element is completed for printing described test living-article, be optimized process according to the characteristic curve of printing machine described in the actual black key-value pair that each ink-covered area in described test living-article is corresponding.
In this technical scheme, by being optimized process to the characteristic curve of printing machine, can obtain more accurate printing machine characteristic curve, with when printing, the ink of putting realizing accurately controlling printing machine according to the characteristic curve of printing machine is measured.
By technique scheme, the characteristic curve of printing machine can be made easily, and then when printing, achieve preset inking, decrease transferring time during printing, decreased the use amount of millboard, and improve printing efficiency, and saved cost.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the schematic flow diagram of the characteristic generation method of printing machine according to an embodiment of the invention.
As shown in Figure 1, the characteristic generation method of printing machine, comprising: step 102 according to an embodiment of the invention, makes the delta-shaped region to be printed running through the whole space of a whole page; Step 104, is divided into multiple ink-covered area according to the maximum print breadth of printing machine and single ink-covered area width by described delta-shaped region, and arranges the black key assignments of each ink-covered area in described multiple ink-covered area respectively; Step 106, according to the black key assignments of described each ink-covered area, prints described delta-shaped region; Step 108, adds up the dot percentage in described each ink-covered area; Step 110, makes the characteristic curve of described printing machine according to the dot percentage in the black key assignments of described each ink-covered area and described each ink-covered area.
In this technical scheme, by adding up the dot percentage in each ink-covered area, and the characteristic curve of printing machine is made according to the dot percentage in the black key assignments of each ink-covered area and each ink-covered area, the characteristic curve of printing machine can be made easily, and then when printing, achieve preset inking, decrease transferring time during printing, and cross the use amount of millboard, improve printing efficiency, and save cost.Wherein, when making the characteristic curve of printing machine, using dot percentage as input value node, black key assignments can be drawn the characteristic curve of printing machine as output valve node.
In technique scheme, preferably, described delta-shaped region is wedge shape figure.
In this technical scheme, specifically, the space of a whole page is rectangle under normal circumstances, therefore two limits of the diagonal of the rectangle space of a whole page and the space of a whole page can be formed above-mentioned delta-shaped region, i.e. wedge shape figure (Rising Wedge or Falling Wedge).
In technique scheme, preferably, also comprised before described delta-shaped region is printed: in described delta-shaped region, fill the CMYK tetra-look plain net presetting site value; Carry out off line to the space of a whole page at the delta-shaped region place of filling after described CMYK tetra-look plain net directly to make a plate.
In this technical scheme, due to when printing, usually there is C(Cyan, cyan), M(Magenta, magenta), Y(Yellow, yellow), K(Key Plate, use the galley of tusche) four kinds of colors, therefore, in order to obtain complete printing machine characteristic curve, the four look plain nets presetting site value (as 75%) can be filled, so that the follow-up characteristic curve making printing machine for each colour cell respectively in above-mentioned delta-shaped region.
In technique scheme, preferably, the step of adding up the dot percentage in described each ink-covered area is specially: in described each ink-covered area, adds up the dot percentage of each colour cell in described CMYK tetra-colour cells respectively; Dot percentage in the described black key assignments according to described each ink-covered area and described each ink-covered area makes the characteristic step of described printing machine, be specially: according to the dot percentage of each colour cell described in the black key assignments of described each ink-covered area and described each ink-covered area, make the characteristic curve of printing machine corresponding to described each colour cell.
In this technical scheme, the dot percentage of each colour cell in CMYK can be added up respectively, to make the characteristic curve of printing machine corresponding to each colour cell.
In technique scheme, preferably, also comprise: the characteristic curve according to described printing machine prints test living-article; After described test living-article is completed for printing, be optimized process according to the characteristic curve of printing machine described in the actual black key-value pair that each ink-covered area in described test living-article is corresponding.
In this technical scheme, by being optimized process to the characteristic curve of printing machine, can obtain more accurate printing machine characteristic curve, with when printing, the ink of putting realizing accurately controlling printing machine according to the characteristic curve of printing machine is measured.
Fig. 2 shows the schematic block diagram of the characteristic generating apparatus of printing machine according to an embodiment of the invention.
As shown in Figure 2, the characteristic generating apparatus 200 of printing machine, comprising: space of a whole page production unit 202 according to an embodiment of the invention, for making the delta-shaped region to be printed running through the whole space of a whole page; Ink-covered area division unit 204, for described delta-shaped region being divided into multiple ink-covered area according to the maximum print breadth of printing machine and single ink-covered area width, and arranges the black key assignments of each ink-covered area in described multiple ink-covered area respectively; Printing element 206, for the black key assignments according to described each ink-covered area, prints described delta-shaped region; Site statistic unit 208, for adding up the dot percentage in described each ink-covered area; Processing unit 210, for making the characteristic curve of described printing machine according to the dot percentage in the black key assignments of described each ink-covered area and described each ink-covered area.
In this technical scheme, by adding up the dot percentage in each ink-covered area, and the characteristic curve of printing machine is made according to the dot percentage in the black key assignments of each ink-covered area and each ink-covered area, the characteristic curve of printing machine can be made easily, and then when printing, achieve preset inking, decrease transferring time during printing, and cross the use amount of millboard, improve printing efficiency, and save cost.Wherein, when making the characteristic curve of printing machine, using dot percentage as input value node, black key assignments can be drawn the characteristic curve of printing machine as output valve node.
In technique scheme, preferably, the described delta-shaped region that described space of a whole page production unit 202 makes is wedge shape figure.
In this technical scheme, specifically, the space of a whole page is rectangle under normal circumstances, therefore two limits of the diagonal of the rectangle space of a whole page and the space of a whole page can be formed above-mentioned delta-shaped region, i.e. wedge shape figure (Rising Wedge or Falling Wedge).
In technique scheme, preferably, described space of a whole page production unit 202 also for: before described printing element prints described delta-shaped region, described delta-shaped region is filled to the CMYK tetra-look plain net presetting site value; And off line is carried out to the space of a whole page at the delta-shaped region place of filling after described CMYK tetra-look plain net directly make a plate.
In this technical scheme, due to when printing, usually there is C(Cyan, cyan), M(Magenta, magenta), Y(Yellow, yellow), K(Key Plate, use the galley of tusche) four kinds of colors, therefore, in order to obtain complete printing machine characteristic curve, the four look plain nets presetting site value (as 75%) can be filled, so that the follow-up characteristic curve making printing machine for each colour cell respectively in above-mentioned delta-shaped region.
In technique scheme, preferably, described site statistic unit 208 specifically for: in described each ink-covered area, add up the dot percentage of each colour cell in described CMYK tetra-colour cells respectively; Described processing unit 210 specifically for: according to the dot percentage of each colour cell described in the black key assignments of described each ink-covered area and described each ink-covered area, make the characteristic curve of printing machine corresponding to described each colour cell.
In this technical scheme, the dot percentage of each colour cell in CMYK can be added up respectively, to make the characteristic curve of printing machine corresponding to each colour cell.
In technique scheme, preferably, described printing element 206 also for: according to the characteristic curve of described printing machine, test living-article is printed; Described processing unit 210 also for: after described printing element is completed for printing described test living-article, be optimized process according to the characteristic curve of printing machine described in the actual black key-value pair that each ink-covered area in described test living-article is corresponding.
In this technical scheme, by being optimized process to the characteristic curve of printing machine, can obtain more accurate printing machine characteristic curve, with when printing, the ink of putting realizing accurately controlling printing machine according to the characteristic curve of printing machine is measured.
Fig. 3 shows the schematic flow diagram of the characteristic generation method of printing machine according to another embodiment of the invention.
As shown in Figure 3, the characteristic generation method of printing machine according to another embodiment of the invention, comprising:
Step 302, printing machine maintaining.
Particularly, by printing machine operating personnel printing machine safeguarded and the renewal of correlation machine consumptive material, comprise Mo Jian, the cleaning of ink fountain groove etc.
Printing machine detection of dynamic, makes the four look plain nets of 50% by the maximum space of a whole page of printing machine, and publication and printing.Give each unit, black key assignments that each ink is identical during printing, and check the uniformity of printing left and right density, if tested again after having serious density variation to need adjustment printing machine state.
Step 304, printing-ink state acquisition figure goes out CTP version.
Particularly, comprise the following steps:
(1), printing-ink state acquisition documenting.Make the printing-ink state acquisition space of a whole page, the space of a whole page is " wedge ", and namely from left to right (press printing direction) runs through the triangle of the whole space of a whole page.
(2), layout.Determine current printing machine maximum print breadth and single ink-covered area width.Using current printing machine breadth as the page-size gathering figure, and mark the position of good each ink-covered area in the drawings, and ensure with the black key position on printing machine corresponding, the space of a whole page " wedge " area filling CMYK tetra-look is all 75%(or is greater than 75%) plain net, obtain wedge shape file.
(3), CTP plate makes.First do the linearisation adjustment of plate for CTP equipment, require site loyalty reduction, and " wedge shape file " is gone out CTP version.
Step 306, ink key of printer characteristic gathers.
Specifically comprise the following steps:
(1), black key assignments is preset.Fixing printing machine rotating speed, determines current fixing tachometer value according to the usual speed conditions of current printing machine platform.Mo Jian is undertaken preset by the mode increased progressively.
(2), print.During printing require rotating speed constant, only change black key assignments, make printing from left to right control each colour cell each ink-covered area field density difference standard density value ± 0.05 within.
(3), actual printer's ink key assignments is recorded.When printing density has controlled evenly, printing can be stopped, and by each black key assignments record corresponding for assorted face.The black key assignments now recorded is as the black key characteristic value of printing machine current state.
Step 308, obtains wedge standard dot percentage.
Particularly, export " wedge shape file " by printing front end output software or directly directly counted the dot percentage value of each black key assignments corresponding region by the software making " wedge shape file ".
Step 310, generates the characteristic curve of printing machine.
Using dot percentage as input value node, using each black key assignments of record in step 306 as output valve node, to obtain the characteristic curve of printing machine.
Step 312, optimizes the characteristic curve of printing machine.Namely with special test file, checked by printing process and optimize printing characteristic curve.Particularly, can by each the black key assignments of printing machine characteristic curve preset printing test file generated in step 310, and start printing, to be printed steadily after record actual printer's ink key assignments, to revise the characteristic curve of printing machine.
By the technical scheme of this embodiment, achieve preset inking, decrease transferring time during printing, decreased the use amount of millboard, and improve printing efficiency, saved cost, achieve the theory of the green printing of energy-saving and emission-reduction.
Below with specific embodiment, and composition graphs 4A to Fig. 4 H describes technical scheme of the present invention in detail.
Printer parameters is as shown in table 1:
Table 1
Paper adopts golden eastern space shuttle 157g art paper, and for upright Channel Group flow process software and upright print source ink pre-setting special-purpose software.
Wherein, step 304 is specially: make wedge file as shown in Figure 4 A, wherein, the space of a whole page is of a size of 740 × 520; Space of a whole page content is run through legal triangle CMYK tetra-look plain net from left to right, and site value is 75%.And legal copy is divided into 23 ink-covered areas by the ink-covered area width of 33mm, and put on ink-covered area number, make CMYK tetra-look real block (being the schematic diagram of wedge amplification as shown in Figure 4 B) in each ink-covered area, to detect uniformity during printing.
Secondly, machine is published to CTP and carry out linearisation adjustment.Linearized detector bar, as shown in Figure 4 C, and dot percentage after measuring publication, outcome record linearly located to upright Channel Group plate, again publish, checking dot percentage output valve is constant to reach linear requirements, publishes wedge file.
Step 306 is specially:
" the ink roller rotating speed " of all colour cells of predetermined printing machine is 35, and by the black key assignments on the preset board of wedge shape tendency, is printed by printing machine in the CTP version of the wedge file in step 304.The field density of given each color version when printing, given K1.85, C1.60, M1.5, Y1.05 in the present embodiment.During printing by regulate black key to value control each colour cell each ink-covered area field density difference standard density value ± 0.05 within.
When printing density has controlled evenly, printing can be stopped, and added up the black key assignments of each ink-covered area corresponding to each colour cell, as shown in Figure 4 D.
Step 308 is specially:
When publishing wedge file, need to carry out PDF linked network in upright Channel Group flow process software, choose " generating upright print source ink special file ", to generate " wedge file .ink ".
In Founder print source software, set printing machine template, wherein forme breadth, black key number and thick fine setting are pressed actual printing machine and are arranged, in the present embodiment interface is set as shown in Figure 4 E.
In the ink pre-setting special-purpose software of Founder print source, resolve by the printing machine attribute templates set " the wedge file .ink " of upright Channel Group flow process Software Create, analysis result as illustrated in figure 4f, choose output data options, wedge data can be exported, to obtain wedge standard site percent data.
Step 310 is specially:
Generate on interface at the printing machine characteristic curve of Founder print source ink pre-setting software, need " the wedge dot percentage data " of first selecting generation in step 308 by not homochromy roller, and the black key assignments recorded when printing wedge file in the percentage place input step 306 of each black key standard site of correspondence.
Particularly, as shown in Figure 4 G, to input the black key data of K version.By the characteristic curve of Software Create printing machine after having inputted, and utilize node optimization that curve is done optimization process, obtain characteristic curve as shown at figure 4h.Similarly, the printing machine characteristic curve of each colour cell of C, M, Y can be obtained.
Step 312 is specially:
With special test file, checked by printing process and optimize printing characteristic curve.Particularly, can by each the black key assignments of printing machine characteristic curve preset printing test file generated in step 310, and start printing, to be printed steadily after record actual printer's ink key assignments, to revise the characteristic curve of printing machine, correction result is as shown in table 2:
Table 2
According to the characteristic curve in table 2, the correction result of black key assignments being optimized to printing machine, as shown in Figure 5A, for the printing machine characteristic curve schematic diagram of K colour cell, wherein, curve 502 is printing machine characteristic curve corresponding to K colour cell after optimizing, and curve 504 be printing machine characteristic curve corresponding to the K colour cell before optimization.
As shown in Figure 5 B, for the printing machine characteristic curve schematic diagram of C colour cell, wherein, curve 508 is printing machine characteristic curve corresponding to C colour cell after optimizing, and curve 506 be printing machine characteristic curve corresponding to the C colour cell before optimization.
As shown in Figure 5 C, for the printing machine characteristic curve schematic diagram of M colour cell, wherein, curve 510 is printing machine characteristic curve corresponding to M colour cell after optimizing, and curve 512 be printing machine characteristic curve corresponding to the M colour cell before optimization.
As shown in Figure 5 D, for the printing machine characteristic curve schematic diagram of Y colour cell, wherein, curve 514 is printing machine characteristic curve corresponding to Y colour cell after optimizing, and curve 516 be printing machine characteristic curve corresponding to the Y colour cell before optimization.
After the characteristic curve obtaining printing machine, if desired carry out printing operation, then can determine actual to put ink amount by the characteristic curve of printing machine, transferring time when decreasing printing and cross the use amount of millboard, improve printing efficiency, and save cost.
More than be described with reference to the accompanying drawings technical scheme of the present invention, considered and do not propose effective technical scheme in the related to determine the characteristic curve of printing machine.Therefore, the present invention proposes the characteristic generation technique of a kind of new printing machine, the characteristic curve of printing machine can be made easily, and then when printing, achieve preset inking, transferring time when decreasing printing and cross the use amount of millboard, improve printing efficiency, and saved cost.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.