Method for adjustment of printing machine inking apparatus

FIELD: printing industry.

SUBSTANCE: method for adjustment of inking apparatus (16) of printing machine consists in the fact that in phase of preparation of printing machine for printing the first measuring accessory (22) is used to identify at least one first measuring value versus the one adjusted on inking apparatus (16) of printing machine, applied at least on one material for printing (21) of ink application, besides based on this first actual value inking apparatus applying ink onto material is adjusted for printing (21). In phase of printing machine run printing the second measuring accessory (23), which varies from the first measuring accessory (22) is used to identify several second actual values related to imprint applied onto material for printing (21) and to deliver to the adjustment device (26) that adjusts inking apparatus (16). One of second actual values detected by the second measuring accessory (23) is used in adjustment device (26) as a specified value, at the same time adjustment device (26) detects deviation of other second actual values identified in phase of printing machine run printing from applied specified value, and this deviation is minimised by new adjustment of inking apparatus that applies ink onto material for printing (21).

EFFECT: invention makes it possible to improve quality of printing.

16 cl, 2 dwg

 

The invention relates to a method for regulating inking unit of the printing machine according to paragraph 1 of the claims.

From DE 4321177 A1 is known a device verification image and colorimetry, at least one made in the printing machine product printing, and the device comprises at least one data providing product images printing device registration image from the computing device and the computing device, on the one hand, defines all of the data product image printing and, on the other hand, determines from the image data, at least one measurement point (pixel) of the product printing the measured value for the evaluation of paint.

From DE 3040455 A1 a device for metering ink in the printing machine, in particular in sheet offset printing machine, with one or more containing each inking unit and multiple cylinder printing units, in which at least one cylinder to which product print showing adjacent the outside, at least partially sealed surface is located densitometric measuring device for measuring color density of the areas tested paint product printing, and densitometric device is connected to adjustable lighting angle is the total device supply setpoint, and regulating the variable regulating devices submitted to the Executive colorful element of the apparatus, respectively, of the inking units. Preferably through the printing machine is skipped test print without printing process, and measured by densitometric measuring device color density test areas proofs is introduced into the regulating device as the specified value.

From DE 3812099 A1 is known a method for controlling ink printing machine, in which the sealed printing machine printed sheets of optically reads the measuring field, and obtained for one of the measuring field by reading the actual chromaticity coordinates are compared with the preset chromaticity coordinates, and the bodies of the direction of ink, the printing machine is regulated in terms of reducing the variance of paint.

From DE 4004056 A1 is known a method of adjusting colors and preliminary adjustment of elements dosage paint in the paint apparatus of a rotary printing machines, in particular offset rotary printing machines, and custom printing machine prints (image) osupivaja, for example densitometric or colorimetrically, and thus obtained values enabling logaritma read Krishnaites with self-educating system is my or, the so-called system specialists may be filed computing device determine the needs paint, so that during the phase of the test printing or during the phase of printing copies can continuously refined preliminary adjusting value.

From DE 102004 021 601 A1 famous inline system colorimetry of printing machine that registers on the sheet of print media during printing inks spectral, densitometric or colorimetric measurement values, for example when using CCD - sensitive picture elements, and these measured values are used as parameters to control the printing process, the system of colorimetry calibered due to the fact that, for example, a manual densitometer installed independently of the measurement values are sent directly to the measuring electronics of the internal system of colorimetry.

The objective of the invention is to develop a method of adjusting the inking unit of the printing machine in which the printing quality that must be provided by the printing machine, can be set accordingly be regulated is applied in the phase of printing copies one receiving, respectively, the reception of the regulation on the colorful machine printing machine despite the use of various JV is to get the measurement in the phase of preparation for printing of the printing machine and the printing of the edition without the associated computationally intensive monitoring of measurement values applied in the phase of preparation for printing way measure.

The problem is solved by the characteristics of paragraph 1 of the claims.

Achieved by the invention advantages are that produced in the phase of preparation for printing of the printing machine using the set, in particular, outside the printing machine of the first measuring device adjustment to be applied, at least one printing device of the printing machine product print roll the paint sets produced by a printing machine, the printing quality, and installed so the print quality is used to set the value for regulating at least one printing apparatus regulating devices of the second, different from the first measuring device that is located, in particular, within the printing machine, for example inline-system identification preferably removing the camera image of the mark on the print media. Offset to ensure print quality, set the second measuring device, the actual value is set in the early phase of the printing of the edition printing machine, preferably at the beginning of printing, as a set value of the regulating device, so that in the future, following this set values of the printing of the printed machine registration of the new second measuring device, the actual value does not require special processing in the sense of control or transformation, to be suitable for installation or regulation fountains, and the suitability of the measuring values involves their direct comparability, also registered the second measuring device in the print edition of the actual values is installed in establishing, respectively, the control device specified value.

To prevent associated with intensive calculations and this requires the cost of matching time measured values of the second measuring device later, i.e. after the second way of measuring setpoint values, actual values are compared with the early, the actual value of the second measuring device, so that comparison is subjected to only such measurement values.

Due to the fact that the register set value sets, respectively regulating device is based on provide quality, rather than directly measuring values of the first measuring device, can be used applied in the phase of preparation for printing the first measuring device and applied in the phase of the printing of the second edition of the measuring device without any further completely different way of measuring that which corresponds to the actual printing production, and despite the incompatibility of the measuring values of these measurements they on the basis of the method according to the invention is suitable for high quality print.

Thus, the first measuring device can be used, for example, densitometric measurement method, while the second measuring device can be performed, for example, as a photographic system, in particular in the quality system, and given a colorful machine printing machine associated with the second measuring device installation, respectively regulating device detects and/or determines the variances recorded in the second measuring device images, in particular the comparison of the images, and installed when comparing images deviations recorded as actual values of the images from the set as the set value of the image are interpreted as the change produced in print quality and regulated in the sense of minimizing the variance. Some first measuring device, for example densitometric method, the values of the color density of the roll of material for printing according to the invention are not subject to control only according to the image to be applicable is used when printing the second measuring device.

The proposed method is applied in the phase of preparation for printing, the first measuring device is the main setting of the printing machine. Set value of the second, active in the print edition of the measuring method based on the optimal regulation of the printing machine by the first measuring method, and there is no conversion of the measurement values of the first measuring method in the processed second way of measuring value. Characteristic in this case is, in particular, the origin of the given value in the second method of measurement, and applied in the phase of preparation for printing the first measurement method is used to generate a recommendation for a second, active in the print edition of way of measuring.

Thus, the proposed method leads to responsive regulation colors, it is preferable to regulate the ink printing machine, and in the application of measurement tools has high variability.

The proposed method of regulation of the ink, the printing machine includes the following steps.

In the phase of preparation for printing of the printing machine first outside the printing machine, the first measuring device to determine a first actual value is adjusted to, at the ore, one colorful apparatus of the printing machine, printed on the print media roll the paint.

Then based on the first actual value adjust at least one dealing roll ink onto the print media, the inking unit to produce a printing machine, the printing quality, which is, in particular, when a certain first actual value signals the need to adjust the produced printing machine print quality.

The need for adjustment can be estimated by the operating personnel of the printing machine or mechanical device, for example by comparing the set of the first actual value, for example, is known at the initial stage of printing data on produce quality print.

The next phase of preparation for the printing phase of the printing of the printing machine then the second, different from the first measuring device located, in particular, within the printing machine measuring device define a number of second actual values in relation applied to the print media roll the paint and serves to participating in the installation of at least one inking unit of the printing machine installation fixture or participating in the adjustment, IU the greater extent, one inking unit of the printing machine to the regulating device.

Preferably in the early phases of printing at least one defined second measuring device, the second actual value which corresponds produced in the phase of preparation for printing in relation to the produced printing machine print quality setting roll the ink onto the print media used in establishing at least one inking unit of the printing machine or regulating inking unit device as the specified value.

The regulating device regulates in accordance with this deviation, the other defined in the phase of printing of the printing machine, the second actual values used from the given value of new by adjusting at least one dealing roll ink onto the print media fountains of the printing machine in the sense of minimizing the recognized governing device variance. The alternative to this is a new regulation dealing roll ink onto the print media fountains due to the fact that, as before, in the phase of preparation for printing of the printing machine, the first measuring device to determine the further first actual value applied colourful apparatus in which the material for printing roll the paint, moreover, on the basis of this further first actual values govern causing the roll ink onto the print media, the inking unit relative to the produced printing machine print quality in the sense of minimizing the deviation detected and/or identified in phase printing edition sets, respectively regulating device.

In the method according to the invention defined in the phase of preparation for printing of the printing machine, the first measuring device, the first actual value register densitometric and/or colorimetrically. Registration of second actual values, in particular, within the printing machine when the print edition is produced, for example, made as a video camera, such as a color video camera, the second measuring device, and a video camera recorded, for example, deposited on the print media roll the paint or the measuring plate. Registered in the phase of printing of the printing machine second actual value register, for example, implemented as an inline system, the second measuring device.

In the phase of preparation for printing of the printing machine may be recorded on multiple instances equipped with a fingerprint of the media defined the first of retelny device first actual value and determine their average value, moreover, based on this set value, adjust the roll ink onto the print media in relation to manufacture printing machine print quality.

Also active in the phase of printing of the printing machine second measuring device can determine a limited number of second actual values, which correspond produced in the phase of preparation for printing adjusting the print quality roll on print media, and of this amount, the second actual values determine the average value, and then this average value is used in mounting, respectively, the device for adjustment as the specified value.

Preferably a corresponding relatively manufacture printing machine print quality adjusting the roll forward on the print media specified in the phase of preparation for printing of the printing machine, the first actual value to transmit its data to the Central control unit of the printing machine and/or the second measuring device and/or the setting device, respectively, the adjustment device.

It can be provided that the installation, respectively, the adjustment device shows the identified deviation incorporated in the phase of the print edition storageaccess values from the set value at the Central node of the printing machine and/or signals of the signal device.

Can also be provided that the installation, respectively, the adjustment device automatically adjusts identified or certain deviation is registered in the phase of the print edition printing machine of the second actual value from the setpoint or only after manual release.

Another solution is that the installation, respectively, the adjustment device adjusts identified or certain deviation in the phase of printing of the printing machine second actual value only when reaching or exceeding a pre-determined depending on the degree of deviation tolerance limits.

The exemplary embodiment of the invention represented in the drawings and described below.

The drawings show:

figure 1 - printing machine;

figure 2 - identification inline-system in the printing machine.

Figure 1 shows as an example of a sheet-fed printing machine, and it is made as a five-color sheet machine.

Based on listoukladchik 08 in this example is followed in the direction of five located next to each other printing units 01, 02, 03, 04, 06 and coating tower 07 and continued 09 reception console, and in the upward branch of the chain of the rotor continuing 09 stabilizes transported to the console 11 sheets 21. Made in to the number of sheets 21 print 21 stacked in the stacker is designed to 08, and in the console 11. In the area of continuing 09 console is preferably somewhat drier 12, which are dried freshly sealed insulation in the printing unit 01, 02, 03, 04, 06 sheet 21 during their transport to the continuation of 09, for example by means of infrared radiation, hot air, or UV radiation.

Sheet-fed printing machine prints, for example, in offset printing method, and in each printing unit 01, 02, 03, 04, 06 interact one plate cylinder 13 and one transfer cylinder 14. On each plate cylinder 13 is located on one with a few rolls of colorful apparatus 16 and preferably moisturizing apparatus 17. The inking unit 16 in the axial direction of the plate cylinder 13 has several, for example, thirty or more, adjacent inking zones with a width of, for example, 30 mm, which can be adjusted relative to the applied colourful apparatus 16 on the print media 21 the thickness of the paint actuating element, for example a zone slice through the Central control unit 27, for example remote control.

Submitted by 08 stacker is designed through the feed drum 18 in the direction of the first the printer 01 sheet 21 is sealed in the print gap between the transfer cylinder 14 and interacting with this gear Qili the drôme 14 of the printing cylinder 19 and through the transfer drum 25 is transferred in the direction of the next the printer 01, where the sheet 21 is sealed as other color. Printing machine may also have a rotary drum (not shown) to perform facial printing and turnover, i.e. double-sided printing sheet 21, and then in the printing machine are adjacent in the direction of, for example, ten printing units 01, 02, 03, 04, 06.

In the phase of preparation of printing of the printing machine is taken to be one of the first sealed sheets 21, preferably on the console 11, and preferably check the first outside the printing machine measuring device produced by a printing machine. This sample is marked in figure 1 by the dashed line. In the phase of preparation for printing of the printing machine, a single sheet 21 or a small number of sheets transported through the printing machine with a significantly reduced speed compared with the speed in the phase of the print edition.

The first measuring device 22 is made, for example, as a manual densitometer or as a spectrometer colors or as Raman measurement tool for densitometric and colorimetric measurement and is, for example, near the control unit 27 of the printing machine. On the basis of at least one particular first measuring device 22 values, i.e. registered the actual values of the measurement were the ins, for example, applied to the material 21 to print the thickness of certain colors or tones, are assessed in comparison with the specified value for this value produced by a printing machine.

Check under estimation sheet 21 may relate to the applied color image or at least, it belongs to the image of the measuring plate, and the measuring plate is located on the edge of the sheet 21 outside the printed image. If a first measuring device 22 actual value and then deviates from the desired set value, than it is a valid pre-installed for this measurement values of tolerance, adjust one inking unit 16, at least one printing unit 01, 02, 03, 04, 06 of the printing machine is modified so that the actual value, which is set after changing the setting on sealed colourful apparatus 16 sheet 21, it is better coincides with the predetermined set value, than it was when the previous measurement.

Required on the basis of comparison of target / actual adjustment of the inking unit 16, at least one printing unit 01, 02, 03, 04, 06 applies, in particular, the permutation associated with colorful areas Executive ale is now in relation to the thickness of the layer of printing ink.

It may be provided that the first measuring device 22 delivers its measuring values, for example, through electrical connection to the Central control unit 27, for example the Central control unit 27 is fed through a computer pre-printing stage 28, the specified value relative to the registered first measuring device 22 of the measuring values, so that the Central control unit 27 can be automatically required comparison of specified and actual values.

When a sufficient match is measured by the first measuring device 22, the values specified for this value the value of the phase of preparation for printing is well completed as relevant to the existing setting (adjustment) of the respective inking unit 16, at least one of the printing units 01, 02, 03, 04, 06 may be achieved desired quality for the produced printing machine product printing, and printing machine can be used for the subsequent phase of the print edition, i.e. to transport print media 21 with full operating speed. Valid for the first measuring device 22, the specified value may be set by the sheet-sample or electronic data computing machine stage 28. Some first Izmeritel the major device 22 of the measuring values are indicated as the first actual value.

In the printing machine preferably the latter in the direction of a printing device 06 or the next printing units 01, 02, 03, 04, 06 lacquer tower 07 provided by the second measuring device 23, for example made as a test inline system and having at least one chamber system, at least one lighting unit. The camera performed, for example, in the form of a color camera, for example, works as a small camera or plane Luggage. It can have as its image sensor, for example, a CCD Chip or a CMOS Chip. The lighting node, extends in the axial direction of the plate cylinder 13 is preferably throughout its length. Lighting site lighting as the lighting means has, for example, fluorescent diodes or laser diodes, preferably parallel to each other series fluorescent diodes or laser diodes, and fluorescent diodes or laser diodes are used, or periodically, or in continuous operation.

The second measuring device 23 registers, at least one, preferably all transported in the phase of preparation for printing sheets 21, at least one image, and the second measuring device 23 in particular registers printed on the sheet 21 from the expression, the second measuring device 23 converts the image into digital image data and, for example, gives them the data processing system 24. Registered the second measuring device 23 of the measuring values, for example coinciding with the image of the electrical measurement data, referred to as the second actual values. Produced by the second measuring device 23, the playback image is marked in figure 1 by the dashed line arrow.

At least one registered at the beginning or at the early stage of printing the second measuring device 23, the second actual value is used in regulating the inking unit 16, at least one printing unit 01, 02, 03, 04, 06 installation device 26, preferably in regulating the inking unit 16, at least one printing unit 01, 02, 03, 04, 06 regulating device 26 as the given value, and in the preferred form of the regulating device 26 automatically adjusts attached to the corresponding ink zone zone Raquel, for example, by the Executive drive.

Thus estimated in the phase of preparation, printing, printing machine quality printing machine products printing introduces the I to study in the setting device 26, accordingly, the adjustment device 26. Early phase preparation phase to print these forms for the installation, respectively Adjuster 26 phase of the study, in which the adjusting or adjustment device 26 is configured for the next print edition. The configuration setting device, respectively Adjuster 26 and regulated them, at least one inking unit 16 can occur due to self-conducting phase of the study or in connection with the management, for example in the Central control unit 27. After completion phase of the study, all produced in the phase of preparation for printing products printing assessed on the basis prescribed in the phase of studying the given value. If, for example, the processing system 24 images will set the deviation recorded at the end phase of the study, the second measuring device of the second actual value from the set in the phase of studying the given value, namely the deviation, which is beyond the area preset for the measuring values of the second measuring device tolerance, then setting the inking unit 16, at least one printing unit 01, 02, 03, 04, 06 setting device 26, respectively regulating the inking unit at least one of the printing unit 01, 02, 03, 04, 06 regulating device 26 begins to change this adjustment, at least one inking unit 16 so that they are permanently registered the second measuring device are brought closer to those established for the respective measuring values specified values.

Managed on the basis of certain second measuring device 23 of the measuring values of the setting device 16, respectively, the adjustment device 26 when having needs to be adjusted automatically conducts a new installation of colorful device 16, at least one printing unit 01, 02, 03, 04, 06 and this in your installation, according to the regulation overlaps produced by the Central control unit 27 installing colorful apparatus 16, and held in communication with the first measuring device 22, the installation process and carried out in connection with the second measuring device 23, the installation process are independent from each other.

The settlement checking measurement values of the first measuring device 22 are processed by the system processing the image data has not occurred. Only established with the first measuring device 22 quality printing machine is of Reducto printing is used to set the value for the associated with the second measuring device 23 setting device 26, accordingly Adjuster 26, and the corresponding produced in the phase of preparing for printing installing the colorful device 16, the image becomes the leading value for the active phase of the printing setting device 26, respectively Adjuster 26.

Produced by the recognized need to update a new installation of colorful device 16, at least one printing unit 01, 02, 03, 04, 06 may operate so that the setting device 26, respectively, the adjustment device 26 indicates the detected deviation defined in the phase of preparation for printing of the printing machine of the second actual value from the setpoint and/or, for example, displays on the display device 32 node 27 management proposal for adjusting the color zone colourful apparatus 16, resulting in the proposal for adjustment may accept service personnel printing machine signature or to deviate at the expense of another sentence. Unforced new installation (setup) colorful apparatus 16 may be ignored intermittent interference that may occur after dressing ink in the inking unit or a small amount of moisturizer. The indicator device is istwo may indicate signaled indicator device 32 proposal for adjustment. Can also be envisaged that the setting device 26, respectively, the adjustment device 26 only when reaching or exceeding a preset threshold for the deviation tolerance indicates the detected deviation is registered in the phase of the print edition of the second actual value from the setpoint and/or to induce this detected deviation and/or signals and/or adjusts it.

Further, it can be provided that the new configuration causes the roll ink onto the print media 21 colorful apparatus 16 may be due to the fact that, as before, in the phase of preparation for printing of the printing machine, the first measuring device 22 further define first the actual value in respect of the relevant deposited colourful apparatus 16 of the printing machine roll the paint, and on the basis of this further first actual value causing the roll ink onto the print media 21 inking unit 16 is set in relation to the produced printing machine print quality in the sense of minimizing registered in the phase of printing of the printing machine installation device 26, respectively, of the adjusting device 26 deviations. In this alternative implementation of the setting device 26, matched with the public the adjustment device 26, however, participates in the installation, according to the adjustment of the produced printing machine print quality, but only as overseeing the production of a device that permanent registration of all manufactured product instances print determines the deviation, which is obtained in the phase of printing of the printing machine from the set of the second measuring device 23 given value, for example due to interference in the transport of the paint and/or interference in the desired balance between the printed ink and humidity. In the case of definitions, in particular in excess of pre-established boundaries of the tolerance setting device 26, respectively, the adjustment device 26 gives the indication, which is displayed, for example, indicator device 32, owned by the control unit 27. The operator can console 11 of the printing machine to take the sheet 21, to measure it in a measuring device 22 again and causing the roll of the ink on the substrate 21, the inking unit 16 again be set in the control unit 27 relative to the produced printing machine print quality in the sense of minimizing the phase of the print edition some adjusting device 26 deviation. No need for this new setting to stop production the rotary printing machine.

The new configuration causes the roll of the ink on the substrate 21 for printing colorful apparatus 16 based on the submitted installation device, respectively, the adjusting device 26 of the instructions has the advantage that, first of all gradually developing in the print edition deviation from the required quality on the basis of the specific second measuring device 23 of the measuring values depending on pre-established tolerance limits can be detected much earlier and more reliably, so that can be done before adjustment adjustment causing rolling paint on the sheets 21 colorful apparatus 16, and this may decrease the production of waste paper.

The advantage is that in the learning phase the second measuring device 23 register a limited number of second actual values, which correspond produced in the phase of preparation for printing of the printing machine relative to produced quality setting roll the ink onto the print media 21, and from this the number of second actual values to determine the image processing system 24 average value, and this average value is used in the installation device 26, respectively, of the adjusting device 26 as zhdanovshchina.

Can also be provided, for example, that the measurement value of the first measuring device 22 are archived by the system 24 of the image processing or other storage device so that the first setting device 22 should not be forced again to perform their measurements at each pressure, and digesting the same with early write commands follow the commands on account of the installation, respectively Adjuster can return to the archived values.

Figure 2 shows in the form shown in section in figure 1 of the printing machine arrangement is made in the form of a video camera of the second measuring device 23, and the camera passing through in the axial direction of the printing cylinder 19 is preferably sliseobrazutee hole 29, for example, in the pedal 31 on one of the printing units 01, 02, 03, 04, 06 or lacquer tower 07 registers the measurement values of the transported along the printing cylinder 10 of the sheet 21. The camera has an opening along the axial direction of the printing cylinder 19 covering the angle α. To do this, the camera of the second measuring device 23, for example, equipped with a wide angle lens. Printing cylinder 19 in its axial length has a length L in the range of, for example, from 300 to 2100 mm, FAV is preferably from 700 to 1100 mm

In the axial direction of the printing cylinder 19 can be located next to each other several chambers of the second measuring device 23 where the angle α covers only part of the length L of the printing cylinder 19, so that the angle of wrap α of each camera according to the width of the opening may be small, with the result image on the sheet 21 without distortion.

List of reference numbers

dryer
01printer
02printer
03printer
04printer
05-
06printer
07coating tower
08the stacker is designed to
09the sequel to the console
10-
11console
12
13the plate cylinder
14the transfer cylinder
15-
16the inking unit
17moisturizing device
18lead drum
19printing cylinder
20-
21the print media sheet
22the first measuring device
23the second measuring device
24system processing of images
25the transfer drum
26the setting device, the adjustment device
27a control unit
28 preliminary printing stage
29hole
30-
31pedal
32the indicator device
αangle of coverage
Llength

1. The method of regulation colorful apparatus (16) of the printing machine, in which the phase of preparation for printing of the printing machine, the first measuring device (22) determine at least one first actual value in respect adjusted on a paint device (16) of the printing machine, printed on at least one print media (21) roll the paint, and on the basis of the first actual value regulate causing the roll ink onto the print media (21) the inking unit (16), while in the phase of the print edition printing machines other than the first measuring fixtures (22) the second measuring device (23) define a few second actual values in relation deposited on the print media (21) footprint and serves regulating inking unit (16) mounting fixture (26), moreover, is, at least one of the specific second measuring device (23) of the second actual values, which corresponds produced in the phase of preparation for printing the adjustment of the roll ink onto the print media (21), is used in the adjusting device (26) as a set value, while the adjustment device (26)at least recognizes the deviation of the other defined in the phase printing printing machine of the second actual values applied from the given value, and the deviation minimize new regulation dealing roll ink onto the print media (21) colorful apparatus, and in certain the phase of preparation for printing of the printing machine, the first measuring device (22) first determine the actual value of densitometric and/or colorimetrically, when defined in this phase the print edition second actual values define performed in the camera quality is second measuring device (23).

2. The method according to claim 1, characterized in that certain phase of preparation for printing of the printing machine, the first measuring device (22) the first actual value register outside of the printing machine.

3. The method according to claim 1, characterized in that certain phase printing printing machine second measuring device (3) second actual values determined within the printing machine.

4. The method according to claim 1, characterized in that certain phase printing printing machine second actual values define performed as a test inline system the second measuring device (23).

5. The method according to claim 1, characterized in that the identify printed on the print media (21) imprint.

6. The method according to claim 1, characterized in that in the phase of preparation for printing of the printing machine in several instances provided coasting paint material for publication (21) the first measuring device (22) define the first actual value and determine from them the average value, and based on this average value adjust the roll ink onto the print media (21).

7. The method according to claim 1, characterized in that the second measuring device (23) define a limited number of second actual values, which correspond produced in the phase of preparation for printing the adjustment of the roll ink onto the print media (21), and from this the number of second actual values determine the average value, while this average value is used in the adjusting device (26) as their specified values.

8. The method according to claim 1, characterized in that the data of at least one particular in the phase of preparation for printing of the printing machine first measuring the device (22) of the first actual value is passed to the Central control unit (27) of the printing machine.

9. The method according to claim 1, characterized in that the regulating device (26) indicate identified a certain deviation in the phase of the print edition printing machine of the second actual values used from the specified value.

10. The method according to claim 1, characterized in that the adjustment device (26) sends a signal about identified a certain deviation in the phase of the print edition the second measuring device of the second actual values of the applied setpoint on the display device (32) and/or sends a signal to the alarm device.

11. The method according to claim 1, characterized in that the adjustment device (26) regulates certain deviation in the phase of the print edition printing machine of the second actual values from the specified value.

12. The method according to claim 1, characterized in that the adjustment device (26) regulates certain deviation in the phase of the print edition printing machine of the second actual value from the setpoint automatically or only after a manual command.

13. The method according to claim 1, characterized in that the adjustment device (26) only after reaching or exceeding the preset size of the deviation tolerance limits indicates identified a certain deviation in the phase of the print edition printing machine of the second actual value is y from a given value and/or indicates the deviation, and/or signals, and/or regulates.

14. The method according to claim 1, characterized in that the new regulation dealing roll ink onto the print media (21) colorful apparatus (16) is produced in such a way that, as before, in the phase of preparation for printing of the printing machine, the first measuring device (22) further define the first actual value actual incurred colorful device (16) on the print media (21) roll the paint, and on the basis of this further first actual values regulate the adjusting device (26) causing the material to be printed (21) the inking unit (16) in the sense minimize a certain phase printing printing machine deflection.

15. The method according to claim 1, characterized in that it is made as a control device setting device (26) is used for regulating the ink, the printing machine.

16. The method according to claim 1, wherein causing the roll ink onto the print media (21) the inking unit (16) in the phase of preparation for printing, and in the phase of the print edition shall govern in respect of the produced printing machine quality.



 

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2 cl, 5 dwg

FIELD: method and device for colored flexography.

SUBSTANCE: method for applying multiple paint layers onto a substrate includes following stages: application onto a substrate of at least one painting layer of energy-hardened liquid paint with viscosity less than approximately 4000 centipoises, and including reaction-incapable paint thinner, where applied layer of energy-hardened paint has first viscosity; evaporation of at least a part of reaction-incapable paint thinner from applied paint layer for increasing viscosity of applied layer of energy-hardened paint; application onto substrate and applied layer of energy-hardened paint with increased viscosity of at least one layer of non energy-hardened liquid paint, viscosity of which is less than increased viscosity of previously applied layer of energy-hardened paint; and drying of both paint layers on the substrate. Another variant of method for applying multiple paint layers onto a substrate is differentiated by applied layer of energy-hardened paint having to be of increased viscosity compared to following layer of energy-hardened liquid paint with viscosity less than approximately 4000 centipoises, and containing reaction-incapable paint thinner, where viscosity of following layer is less than increased viscosity of energy-hardened paint layer applied beforehand. Also a method is suggested for printing multiple paint layers on a substrate, which includes stage of selection of first and second energy-hardened liquid flexography paint, where each paint contains viscosity controlling reaction-incapable paint thinner, consisting of water in amount of from 5% to 50% of thinner weight, where each paint has viscosity approximately ranging from 30 to 70 centipoises, and stage of serial application of first and second energy-hardened liquid flexography paint onto a substrate to create first and second paint layers, having overlapping parts, where second paint is applied only after at least a part of paint thinner is evaporated in first paint layer. Device for serial application of multiple overlapping paint layers onto a substrate contains substrate route and substrate drive for moving the substrate along a route, where paint application sections are adapted for applying paint onto substrate, which paint includes reaction-incapable paint thinner and has viscosity less than 4000 centipoises, and also management system, which manages transportation of substrate along a route. Viscosity of first layer of liquid paint, applied onto a substrate in one of paint sections, is increased due to evaporation of at least a part of paint thinner from first paint layer to higher viscosity compared to viscosity of second paint, applied on top of first paint layer in next paint section, located at a certain distance from first paint section, up to viscosity, sufficient for "crude" application of second liquid paint layer during transportation of substrate between paint sections.

EFFECT: in suggested methods, relief printing is achieved without insignificant modifications of printing equipment.

4 cl, 2 dwg

FIELD: polygraphic industry, in particular, technique for processing of perfected paper sheets, in particular, bonds.

SUBSTANCE: apparatus has device for sequential feeding of sheets, transportation means, means for processing of said sheets, and means for sorting out of sheets into at least two paper sheet stacks. Indicated parts of apparatus are sequentially arranged in direction of advancement of said paper sheets. Means for processing of sheets has first print quality controlling device, device for applying series numbers and/or additional members onto sheets, second print quality controlling device adapted for controlling of applied numbers and/or images of additional members, and sheet marking device actuated in response to data generated by first and second print quality controlling devices for marking of sheets rejected by said first and second print quality controlling devices.

EFFECT: increased efficiency in carrying out of complex or part of said operations and provision for high-degree controlling of print quality.

12 cl, 5 dwg

FIELD: operative color control in printing presses for used primary and auxiliary colors by continuous conducting of spectral measurements in conjunction with linear equations for determining the required correction of printing ink feed for conservation of color precision in printing.

SUBSTANCE: when the color anomaly is exceeded, the measured values of the spectral reflectivity of the tested area are compared with the respective preset values, and the anomaly of the reflection spectrum is determined. The linear equations are used for correlation of the reflection spectrum anomalies with varieties of the solid ink density or thickness of the ink layer for ink feed control with the use of an operatively empitically produced corrective matrix, such that the reflection spectrum is minimized.

EFFECT: provided color control during printing with the use of spectral measurements.

65 cl, 4 dwg

FIELD: polygraphic engineering.

SUBSTANCE: method for printing of protected documents, in which the latters are printed on sheets, each containing a great number of protected documents. Each sheet has a unique type-readable identifier. In the process of production the lots are processed with the aid of several printing presses. On each printing press the identifiers are read off with the aid of a local computer separated for the given printing press. The results are transmitted by inquiry in the form of poles of data to the central data base. Each pile contains information on several sheets, which eliminates the necessity of transmission of the respective data in the conditions of real time through the network. To enhance the safety of reduction of dependence from operation, each local computer has a means of automatic checkup of the state of the lot processing.

EFFECT: checkout of printing production at a large enterprise at low requirements to hardware, software and computer circuit.

10 cl, 3 dwg

The invention relates to a method of reducing vibrations in a printing press

The invention relates to a device and method for regulation of multi-motor electric printing machines

The invention relates to a method for automatic control of print quality multicolor image by using at least one optoelectronic devices, providing a single signal Si per color channel

FIELD: dosage system for paint rolling on printing rollers.

SUBSTANCE: the system has at least one chain of shafts leading to the form cylinder. The shaft is made for application of paint or varnish on it from the paint reservoir. A smoothing out device (12) for provision of approximately flat structure of the surface of the remaining amount of paint or varnish for parallel delivery of the side surface of the paint varnish or a break of paint/varnish occurs in the direction of rotation of shaft (1-6) carrying the paint (varnish) or for delivery of the parallel side surface of this shaft (1-6) of the leveling out device (12).

EFFECT: provided uniform, stable conducting of paint onto the shaft surface, and improved quantity of printing.

14 cl, 5 dwg

The invention relates to the colorful printing machines printing machines, and, in particular, to the device plate Donets such devices

FIELD: dosage system for paint rolling on printing rollers.

SUBSTANCE: the system has at least one chain of shafts leading to the form cylinder. The shaft is made for application of paint or varnish on it from the paint reservoir. A smoothing out device (12) for provision of approximately flat structure of the surface of the remaining amount of paint or varnish for parallel delivery of the side surface of the paint varnish or a break of paint/varnish occurs in the direction of rotation of shaft (1-6) carrying the paint (varnish) or for delivery of the parallel side surface of this shaft (1-6) of the leveling out device (12).

EFFECT: provided uniform, stable conducting of paint onto the shaft surface, and improved quantity of printing.

14 cl, 5 dwg

FIELD: printing industry.

SUBSTANCE: method for adjustment of inking apparatus (16) of printing machine consists in the fact that in phase of preparation of printing machine for printing the first measuring accessory (22) is used to identify at least one first measuring value versus the one adjusted on inking apparatus (16) of printing machine, applied at least on one material for printing (21) of ink application, besides based on this first actual value inking apparatus applying ink onto material is adjusted for printing (21). In phase of printing machine run printing the second measuring accessory (23), which varies from the first measuring accessory (22) is used to identify several second actual values related to imprint applied onto material for printing (21) and to deliver to the adjustment device (26) that adjusts inking apparatus (16). One of second actual values detected by the second measuring accessory (23) is used in adjustment device (26) as a specified value, at the same time adjustment device (26) detects deviation of other second actual values identified in phase of printing machine run printing from applied specified value, and this deviation is minimised by new adjustment of inking apparatus that applies ink onto material for printing (21).

EFFECT: invention makes it possible to improve quality of printing.

16 cl, 2 dwg

FIELD: polygraphic engineering.

SUBSTANCE: method for printing of protected documents, in which the latters are printed on sheets, each containing a great number of protected documents. Each sheet has a unique type-readable identifier. In the process of production the lots are processed with the aid of several printing presses. On each printing press the identifiers are read off with the aid of a local computer separated for the given printing press. The results are transmitted by inquiry in the form of poles of data to the central data base. Each pile contains information on several sheets, which eliminates the necessity of transmission of the respective data in the conditions of real time through the network. To enhance the safety of reduction of dependence from operation, each local computer has a means of automatic checkup of the state of the lot processing.

EFFECT: checkout of printing production at a large enterprise at low requirements to hardware, software and computer circuit.

10 cl, 3 dwg

FIELD: operative color control in printing presses for used primary and auxiliary colors by continuous conducting of spectral measurements in conjunction with linear equations for determining the required correction of printing ink feed for conservation of color precision in printing.

SUBSTANCE: when the color anomaly is exceeded, the measured values of the spectral reflectivity of the tested area are compared with the respective preset values, and the anomaly of the reflection spectrum is determined. The linear equations are used for correlation of the reflection spectrum anomalies with varieties of the solid ink density or thickness of the ink layer for ink feed control with the use of an operatively empitically produced corrective matrix, such that the reflection spectrum is minimized.

EFFECT: provided color control during printing with the use of spectral measurements.

65 cl, 4 dwg

FIELD: polygraphic industry, in particular, technique for processing of perfected paper sheets, in particular, bonds.

SUBSTANCE: apparatus has device for sequential feeding of sheets, transportation means, means for processing of said sheets, and means for sorting out of sheets into at least two paper sheet stacks. Indicated parts of apparatus are sequentially arranged in direction of advancement of said paper sheets. Means for processing of sheets has first print quality controlling device, device for applying series numbers and/or additional members onto sheets, second print quality controlling device adapted for controlling of applied numbers and/or images of additional members, and sheet marking device actuated in response to data generated by first and second print quality controlling devices for marking of sheets rejected by said first and second print quality controlling devices.

EFFECT: increased efficiency in carrying out of complex or part of said operations and provision for high-degree controlling of print quality.

12 cl, 5 dwg

FIELD: method and device for colored flexography.

SUBSTANCE: method for applying multiple paint layers onto a substrate includes following stages: application onto a substrate of at least one painting layer of energy-hardened liquid paint with viscosity less than approximately 4000 centipoises, and including reaction-incapable paint thinner, where applied layer of energy-hardened paint has first viscosity; evaporation of at least a part of reaction-incapable paint thinner from applied paint layer for increasing viscosity of applied layer of energy-hardened paint; application onto substrate and applied layer of energy-hardened paint with increased viscosity of at least one layer of non energy-hardened liquid paint, viscosity of which is less than increased viscosity of previously applied layer of energy-hardened paint; and drying of both paint layers on the substrate. Another variant of method for applying multiple paint layers onto a substrate is differentiated by applied layer of energy-hardened paint having to be of increased viscosity compared to following layer of energy-hardened liquid paint with viscosity less than approximately 4000 centipoises, and containing reaction-incapable paint thinner, where viscosity of following layer is less than increased viscosity of energy-hardened paint layer applied beforehand. Also a method is suggested for printing multiple paint layers on a substrate, which includes stage of selection of first and second energy-hardened liquid flexography paint, where each paint contains viscosity controlling reaction-incapable paint thinner, consisting of water in amount of from 5% to 50% of thinner weight, where each paint has viscosity approximately ranging from 30 to 70 centipoises, and stage of serial application of first and second energy-hardened liquid flexography paint onto a substrate to create first and second paint layers, having overlapping parts, where second paint is applied only after at least a part of paint thinner is evaporated in first paint layer. Device for serial application of multiple overlapping paint layers onto a substrate contains substrate route and substrate drive for moving the substrate along a route, where paint application sections are adapted for applying paint onto substrate, which paint includes reaction-incapable paint thinner and has viscosity less than 4000 centipoises, and also management system, which manages transportation of substrate along a route. Viscosity of first layer of liquid paint, applied onto a substrate in one of paint sections, is increased due to evaporation of at least a part of paint thinner from first paint layer to higher viscosity compared to viscosity of second paint, applied on top of first paint layer in next paint section, located at a certain distance from first paint section, up to viscosity, sufficient for "crude" application of second liquid paint layer during transportation of substrate between paint sections.

EFFECT: in suggested methods, relief printing is achieved without insignificant modifications of printing equipment.

4 cl, 2 dwg

FIELD: polygraphic industry, possible use for controlling technological parameters of paper flat of input roll on printing factories, which is formed in advance at paper factory.

SUBSTANCE: in the method, length of flat part of input roll, which includes control marks, is selected as controlled parameter. Marks are positioned with constant value step, which is selected depending on technologically acceptable error relatively to length of roll flat, regulated by its tensioning during technological cycle of creation of this roll at paper factory. Detection, recognition and registration of informative signs of controlled parameter is performed twice. Namely: during insertion of a roll into technological zone of roll printing machine and during removal from it. Recording of read and transformed information in memory block of electronic computing device is performed with ensured storage of that information and its possible output to information carriers, which are functionally a "roll report" with given database, based on "roll passport" information. Particularities of the system are as follows. It is provided with second block of optic-electronic devices, functionally and structurally identical to first block. One block is mounted at the point of insertion of a flat into technological zone of roll printing machine, second one - at exit point of same. Each block has commutated connection to its own electronic computing device. In front of each block, flat speed sensor is mounted, in commutated connection with corresponding electronic computing device. Software of one of the blocks is created with possible creation of database of input roll flat, and of another block - of output roll flat, and with possible storage of that information in memory blocks and its output to information carriers, which functionally act as "roll reports".

EFFECT: possible control of technological parameters of flat at input and output of roll printing machine, resulting in increased precision of control.

2 cl, 5 dwg

Sensor device // 2335403

FIELD: physics.

SUBSTANCE: invention refers to fluorescing or phosphorescing print check and detection on sheets fed to printing press for securities printing. Luminescent sensor device contains set of subunits, optical sensitive elements, at that each subunit contains ultra-violet lighters for sample illumination, digital camera system containing front element, mirror assembly tracking light radiated from the specified sample to front element of digital camera system; and digital signal processor providing processing of signals, generated by the specified front element of digital camera system. Thus fluorescing or phosphorescing print check and detection system on security sheets contains luminescent sensor device.

EFFECT: improved control quality.

10 cl, 6 dwg

FIELD: printing industry.

SUBSTANCE: method for adjustment of inking apparatus (16) of printing machine consists in the fact that in phase of preparation of printing machine for printing the first measuring accessory (22) is used to identify at least one first measuring value versus the one adjusted on inking apparatus (16) of printing machine, applied at least on one material for printing (21) of ink application, besides based on this first actual value inking apparatus applying ink onto material is adjusted for printing (21). In phase of printing machine run printing the second measuring accessory (23), which varies from the first measuring accessory (22) is used to identify several second actual values related to imprint applied onto material for printing (21) and to deliver to the adjustment device (26) that adjusts inking apparatus (16). One of second actual values detected by the second measuring accessory (23) is used in adjustment device (26) as a specified value, at the same time adjustment device (26) detects deviation of other second actual values identified in phase of printing machine run printing from applied specified value, and this deviation is minimised by new adjustment of inking apparatus that applies ink onto material for printing (21).

EFFECT: invention makes it possible to improve quality of printing.

16 cl, 2 dwg

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