CN109572151A - A kind of gravure apparatus based on single solvent ink - Google Patents

A kind of gravure apparatus based on single solvent ink Download PDF

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Publication number
CN109572151A
CN109572151A CN201910095908.8A CN201910095908A CN109572151A CN 109572151 A CN109572151 A CN 109572151A CN 201910095908 A CN201910095908 A CN 201910095908A CN 109572151 A CN109572151 A CN 109572151A
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CN
China
Prior art keywords
solvent
ink
gravure
printing
controller
Prior art date
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Pending
Application number
CN201910095908.8A
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Chinese (zh)
Inventor
李春虎
姚根龙
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.)
SHANGHAI YUNCHENG PLATE-MAKING Co Ltd
Original Assignee
SHANGHAI YUNCHENG PLATE-MAKING 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
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Application filed by SHANGHAI YUNCHENG PLATE-MAKING Co Ltd filed Critical SHANGHAI YUNCHENG PLATE-MAKING Co Ltd
Priority to CN201910095908.8A priority Critical patent/CN109572151A/en
Publication of CN109572151A publication Critical patent/CN109572151A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F9/00Rotary intaglio printing presses
    • B41F9/003Web printing presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F9/00Rotary intaglio printing presses
    • B41F9/06Details

Abstract

The present invention relates to a kind of gravure apparatus based on single solvent ink, including the printing element set gradually along stock moving direction and single solvent recovery unit, doctor unit compatible with printing element and controller, printing element includes the gravure printing roller being set side by side and coining rubber roller and is arranged in the compatible ink tank in bottom below gravure printing roller and with gravure printing roller, doctor unit is adapted with the surface of gravure printing roller, and controller is electrically connected with printing element, single solvent recovery unit, doctor unit respectively.Compared with prior art, the present invention is based on single solvent ink, can realize the intaglio printing of stock, and printing effect is good, environmental pollution is small, at low cost using one-component solvent.

Description

A kind of gravure apparatus based on single solvent ink
Technical field
The invention belongs to gravure application fields, are related to a kind of gravure apparatus based on single solvent ink.
Background technique
Intaglio printing is first to apply curing ink on the surface of gravure printing roller, then with scraper mechanism by gravure printing roller blank parts Ink removal it is clean, remain in ink only among the ink cell of areas, then under the effect of biggish pressure, ink is turned Surface of the stock is moved on to, printed matter is obtained.Intaglio printing, which belongs to, to be directly printed, and the areas of gravure printing roller is concave, and is recessed Degree has the difference of the depth with the level of image, and white space is raised, and in the same plane.
For in the ink of intaglio printing, solvent to be very important a part.Solvent can not only dissolve various film forming Polymer adjusts viscosity and rheological characteristic, and has a major impact to quality of forming film.Existing printing ink solvent is mostly compound molten Agent, rate of drying are to be determined by the evaporation rate of each component in solvent itself, and evaporation rate is by each in solvent What the boiling point of component itself determined.Such as: the boiling point of quick-drying solvent is generally 100 DEG C -150 DEG C, in dry solvent boiling point it is general It is 150 DEG C -200 DEG C, the boiling point of slow drying solvent is generally 200 DEG C or more.In gravure printing process, when scraping in scraper mechanism By after the ink removal completely of gravure printing roller blank parts, a small amount of ink retained among ink cell is easy to steam in a short time knife Hair causes ink to dry out and can not be transferred to surface of the stock;According to slow drying solvent, then it is easy to cause printing ink transfer to printing Problem slowly not dry behind object surface.Therefore, by the double solvents for selecting multi-solvents to mix, ink can be controlled Rate of drying, and then control the quality of intaglio printing.
However, this rate of drying that ink is adjusted by changing double solvents formula, and then control intaglio printing matter There are many problems for the method for amount.For a long time, gravure printing ink is mostly with the benzene kind solvents such as benzene, dimethylbenzene or ketones solvent Main, benzene kind solvent or ketones solvent in ink not only pollute the environment, but also can cause harm to the human body.Although occurring now Some benzene-free ketone-free ink, but these ink all use the mixed solvent of alcohols, esters, ethers composition, in order to meet VOC row The requirement put needs to first pass through the mixed solvent of activated carbon adsorption gas recovery state, is converted into liquid after then condensing gas Body, then separated and recovered each component of in the mixed solvent by modes such as further rectifying.However, due to solvent composition Complexity needs to consume mass energy to separate and recover to each component in solvent, thus can not meet simultaneously VOC emission and Energy-saving requirement.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to be based on single solvent The gravure apparatus of ink.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of gravure apparatus based on single solvent ink, the device include setting gradually along stock moving direction Printing element and single solvent recovery unit, doctor unit compatible with printing element and controller, the printing Unit includes the gravure printing roller being set side by side and imprints rubber roller and the bottom below gravure printing roller and with gravure printing roller is arranged in Compatible ink tank, the doctor unit are adapted with the surface of gravure printing roller, and the controller is single with printing respectively Member, the electrical connection of single solvent recovery unit, doctor unit.Under the regulation of controller, printing element turns single solvent ink Surface of the stock is moved on to, the one-component solvent in stock curing ink volatilizees and collects in single solvent recovery unit later In.Gravure printing roller during rotation, is first stained with single solvent ink from ink tank, after through doctor unit scrape gravure The ink of roller blank parts, finally by the printing ink transfer among gravure printing roller ink cell to surface of the stock.Imprint rubber roller with it is recessed Forme roller matches and gravure printing roller rotates together, and applies pressure to stock, convenient for the ink among gravure printing roller ink cell It is transferred to surface of the stock.
Further, the inside of the ink tank is equipped with ink liquid level sensor, the controller and ink liquid level Sensor electrical connection.The surplus of single solvent ink in ink liquid level sensor real-time monitoring ink tank.
Further, the printing element further include with gravure printing roller transmission connection gravure printing roller driving motor and With coining rubber roller transmission connection coining rubber roller driving motor, the controller respectively with gravure printing roller driving motor, coining The electrical connection of rubber roller driving motor.
Further, the single solvent recovery unit include solvent gas collecting hood, with solvent gas collecting hood phase The solvent recovery tank of connection and the exhaust fan being connected with the inside of solvent recovery tank, the controller are electrically connected with exhaust fan It connects.When stock is by below solvent gas collecting hood, the single solvent in stock curing ink volatilizees and through solvent gas Collecting hood is sent into solvent recovery tank after collecting and is stored.The negative pressure that exhaust fan provides is convenient for the solvent that will volatilize to introduce solvent gas In collecting hood.
Further, the medial surface of the solvent gas collecting hood is equipped with heating lamp, the controller and heating lamp Electrical connection.Heating lamp can make the lower section of solvent gas collecting hood temperature with higher, fast convenient for the single solvent on stock Speed volatilization.
Further, solvent gas pipeline is equipped between the solvent gas collecting hood and solvent recovery tank, it is described Air draft pipeline is equipped between exhaust fan and solvent recovery tank.
Further, the outside of the solvent gas pipeline is equipped with coolant liquid collet, and one end of the coolant liquid collet is set There is coolant inlet, the other end is equipped with cooling liquid outlet.It is passed through coolant liquid into coolant liquid collet, it will be in solvent gas pipeline Solvent gas is cooled to liquid, convenient for recycling and being stored in solvent recovery tank by single solvent.
Further, the solvent gas pipeline is oblique.Solvent gas pipeline is located at one end of solvent recovery tank It is located at one end of solvent gas collecting hood lower than it, is flowed into solvent recovery tank naturally convenient for the solvent after cooling liquid.
Further, the solvent level sensor being electrically connected with the controller is equipped in the solvent recovery tank.Solvent liquid The storage capacity of the single solvent recycled in level sensor real-time monitoring solvent recovery tank.
Further, the doctor unit include elevating mechanism, the support plate being arranged at the top of elevating mechanism, setting exist The rotating mechanism that horizontal adjusting mechanism one end is arranged in, scraping on rotating mechanism is arranged in horizontal adjusting mechanism on support plate Knife mounting plate and the scraper being arranged on scraper mounting plate, the scraper are adapted with the surface of gravure printing roller.Controller passes through Dot positions, scraper angle and squeegee pressure are scraped in regulation to elevating mechanism, horizontal adjusting mechanism and rotating mechanism, change, with Meet actual demand when intaglio printing.
Further, the elevating mechanism includes a pair of fixed frame being set side by side and is arranged vertically at solid The top of vertical servo electric cylinders is arranged in the vertical servo electric cylinders determined on frame and be electrically connected with the controller, the support plate, and It is sequentially connected with vertical servo electric cylinders.Under the regulation of controller, vertical servo electric cylinders drive support plate vertical shift, to change The height of support plate.
Further, the horizontal adjusting mechanism includes being arranged horizontally on support plate and being electrically connected with controller The horizontal servo electric cylinders connect and the connecting plate that horizontal servo electric cylinders one end is set and is sequentially connected with horizontal servo electric cylinders.? Under the regulation of controller, horizontal servo electric cylinders drive scraper to move horizontally, to change the position of scraper.
Further, the connecting plate includes connecting plate that is horizontally disposed and being located at horizontal servo electric cylinders one end Horizontal part and the connecting plate vertical portion for being arranged and being located at along the vertical direction connecting plate horizontal part one end, the rotating mechanism are set Set the bottom in connecting plate vertical portion.The outside of connecting plate vertical portion Extension support plate is used for connecting steering mechanism.
Further, connecting plate support component compatible with connecting plate horizontal part is additionally provided on the support plate.Even Plate supports component is from below supported connecting plate, guarantees the levelness and stability of connecting plate.
Further, the connecting plate support component includes that setting is on support plate and parallel with horizontal servo electric cylinders Guide rail and the sliding block that is slidably arranged on guide rail, the bottom of the connecting plate horizontal part is fixedly connected with a slide block.It is horizontal Servo electric cylinders level drive connecting plate horizontal movement, while sliding block with connecting plate together along guide rail slide, always to connecting plate Bottom is supported.
Further, the rotating mechanism includes that the shaft for being rotatably arranged on connecting plate vertical portion bottom and setting exist Connecting plate vertical portion bottom and the shaft stepper motor connecting with rotating shaft transmission, the controller and shaft stepper motor are driven Connection.Under the regulation of controller, shaft stepper motor drives shaft rotation, rotates synchronously the scraper mounting plate in shaft, And then change the tilt angle of scraper.
In existing gravure printing process, scraper scrapes ink dot (contact point between scraper and gravure printing roller) and coining point (coining rubber roller and gravure printing roller between contact point) the distance between be it is fixed, in order to avoid solvent seasoning is too fast or too slow And influence the quality of intaglio printing, it will usually use mixed solvent, and by adjust quick-drying solvent, in dry solvent, slow drying solvent Ratio, to reach suitable rate of drying.However, since this double solvents needs to carry out rectifying separation work after the recovery Sequence, thus there is a problem of that energy consumption is excessively high, cost is excessively high.The present invention changes traditional adjusting thinking, by the solvent in ink It is changed to simplest one-component solvent, the separation process after avoiding solvent recovery can directly recycle to obtain pure single Component solvent.Simultaneously as a small amount of list that scraper after the ink removal completely of gravure printing roller blank parts, will retain among ink cell One solvent ink has that drying is too fast or dried slow because solvent volatility adjusts inconvenience.In order to solve using single The drying that component solvent may occur is too fast or dried slow problem, and the present invention is on the basis using one-component solvent On, dot positions are scraped in the regulation by controller to elevating mechanism, horizontal adjusting mechanism and rotating mechanism, change, and then are changed Scraper scrapes the distance between ink dot and coining point, while guaranteeing that scraper angle and squeegee pressure immobilize, and then adjust net The consistency of retention time and guarantee wiping effect of a small amount of ink retained among cave before being transferred to stock, to match The evaporation rate of one-component solvent is closed, realizes the control of intaglio printing quality.By this new regulative mode, dexterously keep away It has opened one-component solvent volatility that may be present and has adjusted inconvenient drawback, becoming the popularization and application of one-component solvent can Can, to the change of intaglio printing industry, there are huge promotion meanings.
When based on the printing of single solvent ink, environment temperature, ambient humidity, gravure printing roller temperature, gravure printing roller online Acupoint depth, gravure printing roller outer diameter, coining hardness of rubber roll, printing species, the solvent type in single solvent ink and printing speed Therefore the quality that the factors such as degree can all influence intaglio printing first passes through a large number of experiments, constantly changes the reality of each factor Value after collecting each factor variation, scrapes the corresponding data of distance between ink dot and coining point, and establishes standard according to these big datas Database.In practical intaglio printing, according to the data of factor each under current state, needed for being obtained in the database of standard Scrape dot positions corresponding data, by controller according to scraping dot positions corresponding data, to elevating mechanism, horizontal adjusting mechanism and Rotating mechanism is regulated and controled, and dot positions is scraped to change, and guarantee that scraper angle and squeegee pressure immobilize, to meet intaglio plate Actual demand when printing.
Compared with prior art, the invention has the characteristics that:
1) the present invention is based on single solvent ink, can realize stock using one-component solvent Intaglio printing, and printing effect is good, environmental pollution is small, at low cost;
2) due to containing only one-component solvent in ink, single solvent recovery unit is arranged in the application, by right Solvent in ink carries out heating volatilization, and through condensation liquefaction, pure solvent liquid can be obtained, it is molten to eliminate conventional composite Rectifying separation process of the agent ink after recycling design, reduces energy consumption.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention;
Fig. 2 is the right side structural representation of rotating mechanism in the present invention;
Description of symbols in figure:
1-support plate, 2-scraper mounting plates, 3-scrapers, 4-fixed frames, 5-vertical servo electric cylinders, 6-horizontal servos Electric cylinders, 7-connecting plates, 701-connecting plate horizontal parts, 702-connecting plate vertical portions, 8-sliding blocks, 9-shafts, 10-shafts step Into motor, 11-single solvent ink, 12-gravure printing rollers, 13-coining rubber rollers, 14-stocks, 15-ink tanks, 16- It is ink liquid level sensor, 17-solvent gas collecting hoods, 18-solvent recovery tanks, 19-exhaust fans, 20-heating lamps, 21-molten Agent gas piping, 22-air draft pipelines, 23-coolant inlets, 24-cooling liquid outlets, 25-solvent level sensors, 26- Coolant liquid collet.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to Following embodiments.
Embodiment:
Using the progress intaglio printing of the single solvent ink of following components and parts by weight content: 60 parts of one-component solvent, 20 parts of resin and 12 parts of pigment.Wherein, one-component solvent is n-propyl, and resin is polyether resin, and pigment is carbon black.This is single Solvent ink the preparation method comprises the following steps: first resin is added into one-component solvent, pigment is added after being uniformly dispersed, moves into later It is fully ground in sand mill.
A kind of gravure apparatus based on above-mentioned single solvent ink as shown in Figure 1, including moved along stock 14 Printing element and single solvent recovery unit, doctor unit compatible with printing element and the control that direction is set gradually Device, printing element include the gravure printing roller 12 being set side by side and coining rubber roller 13 and be arranged below gravure printing roller 12 and with it is recessed The compatible ink tank 15 in the bottom of forme roller 12, doctor unit are adapted with the surface of gravure printing roller 12, controller respectively with Printing element, single solvent recovery unit, doctor unit electrical connection.
Wherein, the inside of ink tank 15 is equipped with single solvent ink 11 and ink liquid level sensor 16, controller and ink Liquid level sensor 16 is electrically connected.Printing element further include with gravure printing roller 12 be sequentially connected gravure printing roller driving motor and with The coining rubber roller driving motor that rubber roller 13 is sequentially connected is imprinted, controller drives with gravure printing roller driving motor, coining rubber roller respectively Dynamic motor electrical connection.
Single solvent recovery unit includes solvent gas collecting hood 17, the solvent being connected with solvent gas collecting hood 17 time Closed cans 18 and the exhaust fan 19 being connected with the inside of solvent recovery tank 18, controller are electrically connected with exhaust fan 19.Solvent gas The medial surface of body collecting hood 17 is equipped with heating lamp 20, and controller is electrically connected with heating lamp 20.Solvent gas collecting hood 17 and solvent It is equipped with solvent gas pipeline 21 between recycling can 18, air draft pipeline 22 is equipped between exhaust fan 19 and solvent recovery tank 18.
The outside of solvent gas pipeline 21 is equipped with coolant liquid collet 26, and one end of the coolant liquid collet 26 enters equipped with coolant liquid Mouth 23, the other end are equipped with cooling liquid outlet 24.Solvent gas pipeline 21 is oblique.It is equipped in solvent recovery tank 18 and controller The solvent level sensor 25 of electrical connection.
Doctor unit includes elevating mechanism, the support plate being arranged at the top of elevating mechanism 1, the water being arranged on support plate 1 Flat adjustment mechanism, the rotating mechanism that horizontal adjusting mechanism one end is set, the scraper mounting plate 2 being arranged on rotating mechanism and Scraper 3 on scraper mounting plate 2 is set, which is adapted with the surface of gravure printing roller 12.
Elevating mechanism include a pair of fixed frame 4 being set side by side and be arranged vertically on fixed frame 4 and with control The vertical servo electric cylinders 5 of device processed electrical connection, support plate 1 are arranged in the top of vertical servo electric cylinders 5, and with vertical servo electric cylinders 5 Transmission connection.
Horizontal adjusting mechanism includes being arranged horizontally at the horizontal servo electricity on support plate 1 and being electrically connected with the controller Cylinder 6 and the connecting plate 7 that 6 one end of horizontal servo electric cylinders is set and is sequentially connected with horizontal servo electric cylinders 6.Connecting plate 7 includes Connecting plate horizontal part 701 that is horizontally disposed and being located at 6 one end of horizontal servo electric cylinders and along the vertical direction setting and position In the connecting plate vertical portion 702 of 701 one end of connecting plate horizontal part, the bottom of connecting plate vertical portion 702 is arranged in rotating mechanism.Branch Connecting plate support component compatible with connecting plate horizontal part 701 is additionally provided on board 1.
Connecting plate support component includes being arranged on support plate 1 and the guide rail parallel with horizontal servo electric cylinders 6 and cunning The dynamic sliding block 8 being arranged on guide rail, the bottom of connecting plate horizontal part 701 is fixedly connected with sliding block 8.
As shown in Fig. 2, rotating mechanism includes that the shaft 9 for being rotatably arranged on 702 bottom of connecting plate vertical portion and setting exist 702 bottom of connecting plate vertical portion and the shaft stepper motor 10 being sequentially connected with shaft 9, controller and shaft stepper motor 10 pass Dynamic connection.
When intaglio printing, stock 14 is across gravure printing roller 12 and coining rubber roller 13.Gravure printing roller 12 was rotating Cheng Zhong is first stained with single solvent ink 11 from ink tank 15, then with doctor unit by the list of 12 blank parts of gravure printing roller One solvent ink 11 removes completely, remains in single solvent ink 11 only among the ink cell of areas, then passes through coining glue Single solvent ink 11 is transferred to stock 14 under the effect of biggish pressure by the extruding between roller 13 and gravure printing roller 12 Surface obtains printed matter.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention. Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention Within protection scope.

Claims (10)

1. a kind of gravure apparatus based on single solvent ink, which is characterized in that the device includes moving along stock (14) Printing element and single solvent recovery unit, doctor unit compatible with printing element and the control that dynamic direction is set gradually Device, the printing element include the gravure printing roller (12) being set side by side and coining rubber roller (13) and are arranged in gravure printing roller (12) lower section and ink tank (15) compatible with the bottom of gravure printing roller (12), the doctor unit and gravure printing roller (12) Surface be adapted, the controller is electrically connected with printing element, single solvent recovery unit, doctor unit respectively.
2. a kind of gravure apparatus based on single solvent ink according to claim 1, which is characterized in that described The inside of ink tank (15) is equipped with ink liquid level sensor (16), and the controller is electrically connected with ink liquid level sensor (16) It connects.
3. a kind of gravure apparatus based on single solvent ink according to claim 1, which is characterized in that described Printing element further includes being driven with the gravure printing roller driving motor of gravure printing roller (12) transmission connection and with coining rubber roller (13) The coining rubber roller driving motor of connection, the controller are electric with gravure printing roller driving motor, coining rubber roller driving motor respectively Connection.
4. a kind of gravure apparatus based on single solvent ink according to claim 1, which is characterized in that described The solvent recovery tank that single solvent recovery unit includes solvent gas collecting hood (17), is connected with solvent gas collecting hood (17) (18) and with the inside of solvent recovery tank (18) exhaust fan (19) being connected, the controller are electrically connected with exhaust fan (19) It connects.
5. a kind of gravure apparatus based on single solvent ink according to claim 4, which is characterized in that described The medial surface of solvent gas collecting hood (17) is equipped with heating lamp (20), and the controller is electrically connected with heating lamp (20).
6. a kind of gravure apparatus based on single solvent ink according to claim 4, which is characterized in that described Between solvent gas collecting hood (17) and solvent recovery tank (18) be equipped with solvent gas pipeline (21), the exhaust fan (19) with Air draft pipeline (22) are equipped between solvent recovery tank (18).
7. a kind of gravure apparatus based on single solvent ink according to claim 6, which is characterized in that described The outside of solvent gas pipeline (21) is equipped with coolant liquid collet (26), and one end of the coolant liquid collet (26) is equipped with coolant inlet (23), the other end is equipped with cooling liquid outlet (24).
8. a kind of gravure apparatus based on single solvent ink according to claim 6, which is characterized in that described Solvent gas pipeline (21) is oblique.
9. a kind of gravure apparatus based on single solvent ink according to claim 4, which is characterized in that described The solvent level sensor (25) being electrically connected with the controller is equipped in solvent recovery tank (18).
10. a kind of gravure apparatus based on single solvent ink according to claim 1, which is characterized in that described Doctor unit include elevating mechanism, the support plate being arranged at the top of elevating mechanism (1), level on support plate (1) be set Adjustment mechanism, the rotating mechanism that horizontal adjusting mechanism one end is set, the scraper mounting plate (2) being arranged on rotating mechanism and The scraper (3) being arranged on scraper mounting plate (2), the scraper (3) are adapted with the surface of gravure printing roller (12).
CN201910095908.8A 2019-01-31 2019-01-31 A kind of gravure apparatus based on single solvent ink Pending CN109572151A (en)

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Application Number Priority Date Filing Date Title
CN201910095908.8A CN109572151A (en) 2019-01-31 2019-01-31 A kind of gravure apparatus based on single solvent ink

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Application Number Priority Date Filing Date Title
CN201910095908.8A CN109572151A (en) 2019-01-31 2019-01-31 A kind of gravure apparatus based on single solvent ink

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CN201910095908.8A Pending CN109572151A (en) 2019-01-31 2019-01-31 A kind of gravure apparatus based on single solvent ink

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110816092A (en) * 2019-11-21 2020-02-21 云南华红印刷有限公司 Method for changing UV matte oil in offset printing into single-concave solvent matte oil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110816092A (en) * 2019-11-21 2020-02-21 云南华红印刷有限公司 Method for changing UV matte oil in offset printing into single-concave solvent matte oil

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