CN108749278A - A kind of printing machine fountain solution regulating device - Google Patents
A kind of printing machine fountain solution regulating device Download PDFInfo
- Publication number
- CN108749278A CN108749278A CN201810742512.3A CN201810742512A CN108749278A CN 108749278 A CN108749278 A CN 108749278A CN 201810742512 A CN201810742512 A CN 201810742512A CN 108749278 A CN108749278 A CN 108749278A
- Authority
- CN
- China
- Prior art keywords
- roller
- fountain solution
- laser
- damping roller
- speculum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007639 printing Methods 0.000 title claims abstract description 52
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 16
- 238000013016 damping Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000003860 storage Methods 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000009736 wetting Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000007645 offset printing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004945 emulsification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/20—Details
- B41F7/24—Damping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
Abstract
The invention discloses a kind of printing machine fountain solution regulating devices, including moistening unit, sensing device and control unit.Moistening unit includes water bucket roller, passes damping roller and drive motor.Drive motor respectively with water bucket roller, pass damping roller and plate cylinder shaft clearance fit；Sensing device includes laser, speculum and sensor, and laser installation parallel with printing cylinder, speculum is on front side of laser；The downside of reflective mirror is equipped with another speculum, and sensor is connect with control unit signal；Control unit includes relay, frequency converter and controller, and relay is mounted on fountain solution storage box bottom and is electrically connected respectively with compression pump and controller, and frequency converter connect with controller signals and is electrically connected with drive motor.The present invention judges on printing plate that wetting liquid measure easily causes that printing quality is unstable to be improved for existing range estimation.The present invention has the characteristics that adjusting fountain solution precision is high, printing quality is high and production efficiency is fast.
Description
Technical field
The present invention relates to a kind of printing machine equipment more particularly to a kind of printing machine fountain solution regulating devices.
Background technology
Offset printing is carried out using oil and the mutually exclusive principle of water.The damping device of offset press is coated with to printing plate and soaks
Printing plate non-graphic part is protected, is allowed to non-sticky ink by liquid.Because offset printing speed is fast, printing quality is stablized relatively, whole
The advantages that a print cycle is short, and be widely used in books and periodicals, newspaper and quite a few commercial printing field.Correctly control
The wetting liquid measure being coated with to printing plate, the ink-water balance kept are the essential conditions for obtaining high quality printing product, and confluent is insufficient,
It will produce dirty version phenomenon；Confluent is excessive, can not only make paper distortion, influences register, but also can aggravate the emulsification of ink.Cause
How this, ensure to supply enough and uniform waters, and printing quality is made to reach optimum efficiency and water supply is controlled in minimum
Limit is a critical issue in offset printing.
Currently, printing house of China offset printing workshop typically by rule of thumb judges to soak on printing forme using the method for range estimation
Whether liquid measure is suitable, and therefore, the quality of printed matter is very unstable.The method of science is to measure fountain solution on printing plate with instrument
Amount.
For this purpose, the invention discloses a kind of printing machine fountain solution automatic control device, the present invention is compared to existing range estimation
Judge that whether fountain solution suitable on printing forme, is used and is projected on plate cylinder by speculum with laser, printing plate it is non-image
After part is irradiated with a laser, if wetting liquid measure is small, the diffusion of reflected light is with regard to big, if wetting liquid measure is big, the diffusion of reflected light
With regard to small, close to mirror-reflection, the light signal strength after reflection is converted to electric signal by sensor and is sent into controller and initial value
It is compared.The amount of fountain solution is controlled to adjust the rotating speed of water bucket roller by controller again.In addition to this, it is soaked with alcohol
Liquid energy reduces the surface tension of fountain solution, and the reduction of surface tension improves spreading property of the fountain solution on plate surface, subtracts
Few fountain solution dosage, it is possible thereby to reduce ink emulsification and paper water suction elongation, addition alcohol can increase the flowing of fountain solution
Adhesive is conducive to the transmission of fountain solution.Adaptable strong, the adjusting fountain solution precision height of the present invention, printing quality are high and raw
Produce the fast feature of efficiency.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of printing machine fountain solution regulating device, with
Solve it is in the prior art because soak liquid measure it is not easy to control due to cause unstable printing quality, dirty version, paper distortion and ink breast
The technical problem of change etc..The adaptable spy strong, adjusting fountain solution precision is high, printing quality is high and production efficiency is fast of the present invention
Point.
The present invention is achieved by the following technical solutions：The invention discloses a kind of printing machine fountain solution regulating device,
Including moistening unit, moistening unit includes bucket, water bucket roller, pass damping roller, dampening vibrator roller and damping roller, water bucket roller and pass damping roller surface
Pressure is bonded, and is passed damping roller and the fitting of dampening vibrator roller surface pressing, dampening vibrator roller and the fitting of dampening roller surface, the print of damping roller and printing machine
Plate cylinder surface is bonded；Moistening unit further includes there are three drive motor, drive motor is separately mounted to water bucket roller, pass damping roller and
Coordinate on the center line of the axis of plate cylinder and respectively with the shaft clearance of water bucket roller, biography damping roller and plate cylinder, passes damping roller, string water
Roller, the axis for damping roller and plate cylinder offer belt mounting groove, pass damping roller and are connected by belt with damping roller, dampening vibrator roller with
Plate cylinder is connected by belt；
Moistening unit further includes a fountain solution storage box, and fountain solution storage box is rectangular configuration, fountain solution storage box
Top edge offers round hole, and the top of fountain solution storage box is equipped with compression pump, and compression pump is fixedly mounted on the bottom of bucket
Portion, compression pump right upper portion offer liquid outlet, and the lower right side of compression pump offers inlet, is threaded on liquid outlet
One " 7 " shape catheter, " 7 " shape catheter are mounted on bucket side wall；Inlet lower thread is connected with a vertical catheter；Vertically
Catheter is mounted on by round hole inside fountain solution storage box, and bucket inner wall is also equipped with pressure sensor, pressure sensor
It is connect with control unit signal, it further includes sensing device that the outer rim of water bucket roller, which is equipped with no less than 20 hairbrush items, regulating device,
And control unit；
Sensing device includes laser, speculum and laser sensor, and laser is mounted on plate cylinder top and and print
Brush roller is parallel, and the quantity of speculum is two, and a speculum is mounted on the front side of laser horizontal by 45 degree of angles,
Laser is connect with speculum by optical fiber；The center of speculum and laser is on same axis, and reflective mirror hangs down
Another speculum is installed on line and two reflective mirrors are parallel, laser sensor be mounted on printing cylinder upside and with control
Cell signal connects；
Control unit includes relay, frequency converter and controller, relay be mounted on the bottom of fountain solution storage box and with
Compression pump is electrically connected, and relay is electrically connected with the controller, and frequency converter is mounted on the right side of relay and is connect with controller signals,
Frequency converter is electrically connected with the drive motor of water bucket roller clearance fit, and controller is mounted on the right side of frequency converter.
Preferably, in order to accurately measure the amount of fountain solution, laser uses model IPG lasers；Laser sensor
Using model LT3BDLV.
Preferably, the amount of fountain solution is controllable and precision is high in order to make, and relay uses electromagnetic type relay, frequency converter to use
Model VFD40WL21A, controller use model sdm710.
Preferably, in order to make the wetting liquid energy in fountain solution storage box not be wasted, vertical catheter is stored with fountain solution
The distance from bottom of case is arranged within the scope of 0.5-1CM.
Preferably, in order to improve printing quality, pass damping roller, dampening vibrator roller and damping roller be lint-free damping roller.
The invention discloses a kind of printing machine fountain solution regulating devices, including moistening unit, sensing device and control unit.
The present invention judges that whether fountain solution is suitable on printing plate, uses and projects print by speculum with laser compared to existing range estimation
On plate cylinder, the light signal strength after reflection is converted to by sensor in electric signal feeding controller to be compared with initial value,
The amount of fountain solution is controlled to adjust the rotating speed of water bucket roller by controller again, printing quality is substantially increased and is soaked with alcohol
Liquid energy reduces the surface tension of fountain solution, and the reduction of surface tension improves spreading property of the fountain solution on plate surface, subtracts
Few fountain solution dosage, it is possible thereby to reduce ink emulsification and paper water suction elongation, addition alcohol can increase the flowing of fountain solution
Adhesive is conducive to the transmission of fountain solution.Adaptable strong, the adjusting fountain solution precision height of the present invention, printing quality are high and raw
Produce the fast feature of efficiency.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is moistening unit left view structural representation；
Fig. 3 is the water-supply structure schematic diagram of moistening unit；
Fig. 4 is the structural schematic diagram of sensing device light path transmission structure.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
Embodiment 1 discloses a kind of printing machine fountain solution regulating device, as shown in Figure 1 and Figure 4, including moistening unit 1, biography
Induction device 2 and control unit 3, moistening unit 1 include bucket 11, water bucket roller 12, pass damping roller 13, dampening vibrator roller 14 and damping roller 15,
Pass damping roller 13, dampening vibrator roller 14 and damping roller 15 be lint-free damping roller.Water bucket roller 12 and biography 13 surface pressing of damping roller fitting, pass damping roller
13 and 14 surface pressing of dampening vibrator roller fitting, dampening vibrator roller 14 and 15 surface pressing of damping roller fitting, the print of damping roller 15 and printing machine
16 surface of plate cylinder is bonded；As shown in Figures 2 and 3, moistening unit 1 further includes there are three drive motor 17, and drive motor 17 is divided
Not An Zhuan water bucket roller 12, the axis for passing damping roller 13 and plate cylinder 16 center line on and respectively with water bucket roller 12, pass damping roller 13
Coordinate with the shaft clearance of plate cylinder 16, passes damping roller 13, dampening vibrator roller 14, damping roller 15 and the axis of plate cylinder 16 offers skin
Band mounting groove (being not marked in figure) passes damping roller 13 and damping roller 15 and is connected by belt 18, and dampening vibrator roller 14 and plate cylinder 16 are logical
Cross the connection of belt 18；
Moistening unit 1 further includes a fountain solution storage box 19, and fountain solution storage box 19 is rectangular configuration, fountain solution storage
The top edge of case 19 offers round hole (being not marked in figure), and the top of fountain solution storage box 19 is equipped with compression pump 5, pressure
Pump 5 is fixedly mounted on the bottom of bucket 11, and the right upper portion of compression pump 5 offers liquid outlet (being not marked in figure), compression pump 5
Lower right side offers inlet (being not marked in figure)." 7 " shape catheter is threaded on liquid outlet (being not marked in figure)
6, " 7 " shape catheter 6 is mounted on 11 side wall of bucket；Inlet (is not marked in figure) lower thread and is connected with a vertical catheter 7；
Vertical catheter 7 is mounted on by round hole inside fountain solution storage box 19, the bottom of vertical catheter 7 and fountain solution storage box 19
Portion's distance is set as 0.5CM.11 inner wall of bucket is also equipped with pressure sensor 51, pressure sensor 51 and 3 signal of control unit
Connection, the outer rim of water bucket roller 12 are equipped with 24 hairbrush items 121；
Sensing device 2 includes laser 21, speculum 22 and laser sensor 23, and the laser 21 of model IPG is installed
On 16 top of plate cylinder and parallel with printing cylinder 16, the quantity of speculum 22 is two, a speculum 22 and horizontal plane
The front side of laser 21 is mounted in 45 degree of angles, laser 21 is connected with speculum 22 by optical fiber (being not marked in figure)
It connects；The center of speculum 22 and laser 21 is on same axis, another speculum is equipped on the vertical line of reflective mirror 22
22 and two reflective mirrors 22 it is parallel, the laser sensor 23 of model LT3BDLV be mounted on the upside of printing cylinder 16 and with control
3 signal of unit connection processed；Laser sensor 23 is used for detecting the intensity of the light after the fountain solution reflection on printing cylinder 16.
Control unit 3 includes relay 31, frequency converter 32 and controller 33, and electromagnetic type relay 31 is deposited mounted on fountain solution
It the bottom of storage tank 19 and is electrically connected with compression pump 5, electromagnetic type relay 31 is electrically connected with controller 33, model VFD40WL21A
Frequency converter 32 be mounted on electromagnetic type relay 31 right side and connect with 33 signal of controller, model VFD40WL21A frequency conversions
Device 32 is electrically connected with the drive motor 17 of 12 clearance fit of water bucket roller, and the controller 33 of model sdm710 is mounted on frequency converter 32
Right side.
Embodiment 2
Embodiment 2 discloses a kind of printing machine fountain solution regulating device, including moistening unit 1, sensing device 2 and control list
Member 3, moistening unit 1 include bucket 11, water bucket roller 12, pass damping roller 13, dampening vibrator roller 14 and damping roller 15, pass damping roller 13, dampening vibrator roller
14 and damping roller 15 be lint-free damping roller.Water bucket roller 12 and biography 13 surface pressing of damping roller fitting, pass damping roller 13 and 14 table of dampening vibrator roller
Surface pressure is bonded, and 16 surface of the plate cylinder pressure of damping roller 15 and printing machine in dampening vibrator roller 14 and the fitting of 15 surface pressing of damping roller
Power is bonded；Moistening unit 1 further includes there are three drive motor 17, and drive motor 17 is separately mounted to water bucket roller 12, passes damping roller 13
Coordinate on the center line of the axis of plate cylinder 16 and respectively with the shaft clearance of water bucket roller 12, biography damping roller 13 and plate cylinder 16,
Pass damping roller 13, dampening vibrator roller 14, the axis of damping roller 15 and plate cylinder 16 and offer belt mounting groove, pass damping roller 13 and damping roller
15 are connected by belt 18, and dampening vibrator roller 14 and plate cylinder 16 are connected by belt 18；
Moistening unit 1 further includes a fountain solution storage box 19, and fountain solution storage box 19 is rectangular configuration, fountain solution storage
The top edge of case 19 offers round hole, and the top of fountain solution storage box 19 is equipped with compression pump 5, and compression pump 5 is fixedly mounted
In the bottom of bucket 11, the right upper portion of compression pump 5 offers liquid outlet, and the lower right side of compression pump 5 offers inlet.Go out
" 7 " shape catheter 6 is threaded on liquid mouth, " 7 " shape catheter 6 is mounted on 11 side wall of bucket；Inlet lower thread connects
It is connected to a vertical catheter 7；Vertical catheter 7 is mounted on by round hole inside fountain solution storage box 19, vertical catheter 7 with
The distance from bottom of fountain solution storage box 19 is set as 1CM.11 inner wall of bucket is also equipped with pressure sensor 51, pressure sensor 51
It is connect with 3 signal of control unit, the outer rim of water bucket roller 12 is equipped with 36 hairbrush items 121；
Sensing device 2 includes laser 21, speculum 22 and laser sensor 23, and the laser 21 of model IPG is installed
On 16 top of plate cylinder and parallel with printing cylinder 16, the quantity of speculum 22 is two, a speculum 22 and horizontal plane
The front side of laser 21 is mounted in 45 degree of angles, laser 21 is connect with speculum 22 by optical fiber；22 He of speculum
The center of laser 21 is on same axis, another speculum 22 and two reflective mirrors are equipped on the vertical line of reflective mirror 22
22 is parallel, and the laser sensor 23 of model LT3BDLV is mounted on the upside of printing cylinder 16 and connects with 3 signal of control unit
It connects；Laser sensor 23 is used for detecting the intensity of the light after the fountain solution reflection on printing cylinder 16.
Control unit 3 includes relay 31, frequency converter 32 and controller 33, and electromagnetic type relay 31 is deposited mounted on fountain solution
It the bottom of storage tank 19 and is electrically connected with compression pump 5, electromagnetic type relay 31 is electrically connected with controller 33, model VFD40WL21A
Frequency converter 32 be mounted on electromagnetic type relay 31 right side and connect with 33 signal of controller, model VFD40WL21A frequency conversions
Device 32 is electrically connected with the drive motor 17 of 12 clearance fit of water bucket roller, and the controller 33 of model sdm710 is mounted on frequency converter 32
Right side.
Claims (5)
1. a kind of printing machine fountain solution regulating device, including moistening unit, the moistening unit includes bucket, water bucket roller, passes water
Roller, dampening vibrator roller and damping roller, the water bucket roller and biography damping roller surface pressing fitting, the biography damping roller and the dampening vibrator roller table
Surface pressure is bonded, the dampening vibrator roller and dampening roller surface pressure fitting, described the plate cylinder table of damping roller and printing machine
Surface pressure is bonded；It is characterized in that, the moistening unit further includes there are three drive motor, the drive motor is separately mounted to
The water bucket roller, the axis for passing damping roller and plate cylinder center line on and respectively with the water bucket roller, pass damping roller and plate cylinder
Shaft clearance cooperation, biography damping roller, the dampening vibrator roller damping roller and the axis of plate cylinder offers belt mounting groove, the biography
Damping roller is connected with described the damping roller by belt, and the dampening vibrator roller is connected with the plate cylinder by belt；
The moistening unit further includes a fountain solution storage box, and the fountain solution storage box is rectangular configuration, the fountain solution
The top edge of storage box offers round hole, and the top of the fountain solution storage box is equipped with compression pump, and the compression pump is solid
Dingan County is mounted in the bottom of the bucket, and the compression pump right upper portion offers liquid outlet, and the lower right side of the compression pump is opened
Equipped with inlet, " 7 " shape catheter is threaded on the liquid outlet, " 7 " the shape catheter is mounted on bucket side wall；
The inlet lower thread is connected with a vertical catheter；The vertical catheter is mounted on the profit by the round hole
Inside wet liquid storage box, the bucket inner wall is also equipped with pressure sensor, and the pressure sensor is believed with described control unit
Number connection, it further includes sensing device and control that the outer rim of the water bucket roller, which is equipped with no less than 20 hairbrush items, the regulating device,
Unit processed；
The sensing device includes laser, speculum and laser sensor, and the laser is mounted on the plate cylinder
The quantity in portion and parallel with the printing cylinder, the speculum is two, and a speculum is horizontal by 45 degree folders
Angle is mounted on the front side of the laser, and the laser is connect with the speculum by optical fiber；The speculum and
The center of the laser is on same axis, another described speculum and two are equipped on the vertical line of the reflective mirror
The reflective mirror is parallel, and the laser sensor is mounted on the upside of the printing cylinder and connects with described control unit signal
It connects；
Described control unit includes relay, frequency converter and controller, and the relay is mounted on the fountain solution storage box
Bottom and be electrically connected with the compression pump, the relay is electrically connected with the controller, the frequency converter be mounted on it is described after
It the right side of electric appliance and is connected with the controller in a signal way., the frequency converter and the drive motor of the water bucket roller clearance fit are electrically connected
It connects, the controller is mounted on the right side of the frequency converter.
2. a kind of printing machine fountain solution regulating device as described in claim 1, which is characterized in that the laser uses model
For IPG lasers；The laser sensor uses model LT3BDLV.
3. a kind of printing machine fountain solution regulating device as described in claim 1, which is characterized in that the relay uses electromagnetism
Formula relay, the frequency converter use model VFD40WL21A, the controller to use model sdm710.
4. a kind of printing machine fountain solution regulating device as described in claim 1, which is characterized in that the vertical catheter and institute
The distance from bottom for stating fountain solution storage box is arranged within the scope of 0.5-1CM.
5. a kind of printing machine fountain solution regulating device as described in claim 1, which is characterized in that the biography damping roller, dampening vibrator roller
It is lint-free damping roller with damping roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742512.3A CN108749278A (en) | 2018-07-09 | 2018-07-09 | A kind of printing machine fountain solution regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742512.3A CN108749278A (en) | 2018-07-09 | 2018-07-09 | A kind of printing machine fountain solution regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108749278A true CN108749278A (en) | 2018-11-06 |
Family
ID=63972703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810742512.3A Pending CN108749278A (en) | 2018-07-09 | 2018-07-09 | A kind of printing machine fountain solution regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108749278A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1044042A (en) * | 1963-07-01 | 1966-09-28 | Dahlgren Harold P | Method and means for dampening lithographic offset printing plates |
| CN1416394A (en) * | 2000-03-09 | 2003-05-07 | 联邦科学和工业研究组织 | Ink and dampening solution determination in affset printing |
| CN201816268U (en) * | 2010-09-26 | 2011-05-04 | 陕西科技大学 | Dahlgren dampening device |
| CN102794987A (en) * | 2011-05-25 | 2012-11-28 | 海德堡印刷机械股份公司 | Printing method and offset printing unit |
| CN204451454U (en) * | 2015-02-26 | 2015-07-08 | 陕西科技大学 | A kind of offset print is exempted from alcohol edition-0 moistening liquid scraper-type and is cleaned water supply installation |
| CN204488175U (en) * | 2015-03-19 | 2015-07-22 | 陕西科技大学 | A kind of offset press damping device |
| CN208469273U (en) * | 2018-07-09 | 2019-02-05 | 芜湖市华美工艺包装有限公司 | A kind of printing machine fountain solution regulating device |
-
2018
- 2018-07-09 CN CN201810742512.3A patent/CN108749278A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1044042A (en) * | 1963-07-01 | 1966-09-28 | Dahlgren Harold P | Method and means for dampening lithographic offset printing plates |
| CN1416394A (en) * | 2000-03-09 | 2003-05-07 | 联邦科学和工业研究组织 | Ink and dampening solution determination in affset printing |
| US20030110963A1 (en) * | 2000-03-09 | 2003-06-19 | Martin Alistair Scott | Ink and dampening solution determination in offset printing |
| CN201816268U (en) * | 2010-09-26 | 2011-05-04 | 陕西科技大学 | Dahlgren dampening device |
| CN102794987A (en) * | 2011-05-25 | 2012-11-28 | 海德堡印刷机械股份公司 | Printing method and offset printing unit |
| CN204451454U (en) * | 2015-02-26 | 2015-07-08 | 陕西科技大学 | A kind of offset print is exempted from alcohol edition-0 moistening liquid scraper-type and is cleaned water supply installation |
| CN204488175U (en) * | 2015-03-19 | 2015-07-22 | 陕西科技大学 | A kind of offset press damping device |
| CN208469273U (en) * | 2018-07-09 | 2019-02-05 | 芜湖市华美工艺包装有限公司 | A kind of printing machine fountain solution regulating device |
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