CN108501506A - A kind of halftone and screen process press - Google Patents
A kind of halftone and screen process press Download PDFInfo
- Publication number
- CN108501506A CN108501506A CN201810214632.6A CN201810214632A CN108501506A CN 108501506 A CN108501506 A CN 108501506A CN 201810214632 A CN201810214632 A CN 201810214632A CN 108501506 A CN108501506 A CN 108501506A
- Authority
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- China
- Prior art keywords
- tension
- scraper
- halftone
- adjusting gear
- screen
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007639 printing Methods 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0804—Machines for printing sheets
- B41F15/0813—Machines for printing sheets with flat screens
- B41F15/0818—Machines for printing sheets with flat screens with a stationary screen and a moving squeegee
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The invention discloses a kind of halftone and screen process press, halftone includes screen frame and the silk screen in screen frame, and halftone further includes：Tension-adjusting gear is connected between silk screen and screen frame, for compressing the tension of region each position by adjusting the scraper on the silk screen for compressing scraper in printing, meeting preset condition to adjust levelness to the scraper of the scraper compressed.Tension-adjusting gear is connected between silk screen and screen frame, scraper has been compressed when printing on silk screen, the tension of region each position is compressed by the scraper on tension-adjusting gear adjusting silk screen to adjust the levelness of the scraper compressed, until the levelness of scraper meets preset condition, this process is not by observing the position at scraper both ends judge the levelness of scraper with user's eyes, the levelness precision of scraper is higher after adjustment, can better assure that the quality for the light guide plate being printed as is preferable.
Description
Technical field
Present document relates to display technology field, espespecially a kind of halftone and a kind of screen process press.
Background technology
As shown in Figure 1, backlight module incident side cross-section structure includes glue frame 100, backboard 200, lamp bar 300, reflector plate
400, light guide plate 500 and membrane material 600；Light guide plate 500 usually makes in such a way that screen process press is using printing.Silk-screen printing
Owner will include pedestal, the bare board placement region positioned at base upper surface, the halftone above bare board placement region and be located at
Printing device above halftone, printing device include the parallel scraper erected and return ink sheet and be located at scraper and return on ink sheet
The pressure regulator of side.As shown in Fig. 2, when scraper 700 pushes, cable pushes deformation in halftone 800, and ink 900 is by scraper
700 horizontal pressure, are printed on bare board 510 through the site of printing zone in cable, to be fabricated to light guide plate 500.
Wherein, the levelness of scraper 700 affect quantity of ink number, the offset of 700 levelness of scraper is big (i.e.：One end is high
One end is low) the caused quantity of ink of meeting is unevenly distributed, and all it is currently to use to visually observe scraper 700 by adjusting pressure regulator
The position at both ends adjusts the levelness of scraper 700, and duration will appear the inconsistent situation of 700 both ends horizontal degree of scraper, finally
Light guide plate 500 is caused to print bad, label 810 is that scraper compresses region.
Invention content
At least one of in order to solve the above-mentioned technical problem, there is provided herein a kind of halftones, can be more when being printed
The levelness of scraper is adjusted well, effectively ensures that the quality for the light guide plate being printed as is preferable.
A kind of screen process press is also provided herein.
Halftone provided in an embodiment of the present invention, including screen frame and the silk screen in the screen frame, the halftone further include：
Tension-adjusting gear is connected between the silk screen and the screen frame, the institute for compressing scraper by adjusting in printing
The scraper on silk screen is stated to compress the tension of region each position, meet default item to adjust levelness to the scraper of the scraper compressed
Part.
Optionally, the halftone further includes：Tension detecting apparatus is connected to the tension-adjusting gear and the silk screen
It between edge or is connected between the tension-adjusting gear and the screen frame, area is compressed for detecting the scraper in printing
The tension of domain each position.
Optionally, the halftone further includes：Control device, with the tension-adjusting gear and tension detecting apparatus electricity
Connection, in printing according to the tension of tension detecting apparatus detection, control the tension-adjusting gear.
Optionally, the tension-adjusting gear and the tension detecting apparatus are included in the circumferential direction of the screen frame and symmetrically set
That sets is multigroup.
Optionally, the silk screen includes multiple twines of transverse and longitudinal interlaced arrangement, any between the tension-adjusting gear
It is connected with 5~10 twines.
Optionally, preset condition is：Any two difference in the tension of multiple tension detecting apparatus detections is not
More than preset value.
Optionally, the tension detecting apparatus is that tension detects table.
Optionally, the tension-adjusting gear includes actuator and telescoping cylinder, and the actuator is described flexible for driving
The telescopic rod of cylinder acts.
Optionally, it is provided with the printing zone with site in the middle part of the silk screen, scraper is pressed on the print when printing
It brushes on region.
Screen process press provided by the invention, including the halftone described in any of the above-described embodiment.
Compared with prior art, halftone provided by the invention, tension-adjusting gear are connected between silk screen and screen frame, printing
When silk screen on compressed scraper, the scraper on silk screen adjusted by tension-adjusting gear compress the tension of region each position and adjust
The levelness of the scraper compressed, until the levelness of scraper meets preset condition, this process is not to pass through sight with user's eyes
The position for examining scraper both ends judge the levelness of scraper, and the levelness precision of scraper is higher after adjustment, can better assure that
The quality for the light guide plate being printed as is preferable.
Further, tension detecting apparatus is connected between tension-adjusting gear and the edge of silk screen or tension detecting apparatus
It is connected between tension-adjusting gear and screen frame, the tension for compressing region each position for detecting scraper in printing, with more preferable
Ground promotes the Level-adjusting precision of scraper.
Further, control device is electrically connected with tension-adjusting gear and tension detecting apparatus, for printing when according to
The tension of tension detecting apparatus detection controls tension-adjusting gear, realizes that automation adjusts the levelness of scraper, is scraped after adjustment
The levelness precision higher of knife, the better quality for the light guide plate being printed as.
The other feature and advantage of this paper will illustrate in the following description, also, partly become from specification
It is clear that by implementing to understand herein.The purpose of this paper and other advantages can be by specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding this paper technical solutions, and a part for constitution instruction, with this Shen
Embodiment please is used to explain the technical solution of this paper together, does not constitute the limitation to this paper technical solutions.
Fig. 1 is the partial structural diagram of the backlight module incident side of the relevant technologies；
Structural schematic diagram when Fig. 2 is the scraper printing screen plate of the relevant technologies；
Fig. 3 is the structural schematic diagram of the halftone described in one embodiment of the invention；
Fig. 4 be Fig. 3 in twine mutually assembled with tension-adjusting gear after structural schematic diagram；
Fig. 5 be lateral twine and corresponding tension-adjusting gear in halftone described in another embodiment of the present invention,
Tension detecting apparatus mutually assemble after structural schematic diagram；
Fig. 6 is the lateral twine and corresponding tension adjustment dress in the halftone described in further embodiment of the present invention
It sets, the structural schematic diagram after tension detecting apparatus, control device mutually assemble.
Wherein, the correspondence in Fig. 3 to Fig. 6 between reference numeral and component names is：
1 screen frame, 2 silk screens, 21 twines, 3 tension-adjusting gears, 4 scrapers, 6 printing zones, 7 tension detecting apparatus, 8 controls
Device.
Specific implementation mode
To make the purpose, technical scheme and advantage of this paper be more clearly understood, below in conjunction with attached drawing to the reality of this paper
Example is applied to be described in detail.It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the application
Sign mutually can be combined arbitrarily.
Many details are elaborated in the following description in order to fully understand herein, still, can also be adopted herein
Implemented different from mode described here with other, therefore, the protection domain of this paper is not by following public specific implementation
The limitation of example.
The halftone and screen process press of some embodiments herein are described below in conjunction with the accompanying drawings.
Halftone provided in an embodiment of the present invention, as shown in figure 3, including screen frame 1 and the silk screen 2 in screen frame 1；Such as Fig. 4
Shown, halftone further includes：Tension-adjusting gear 3 is connected between silk screen 2 and screen frame 1, for being supported in printing by adjusting
The scraper being pressed on the silk screen 2 of scraper 4 compresses region each position, and (with the movement of scraper 4, scraper compresses region on halftone
Position is changed with the position of scraper 4) tension, meet to scraper 4 adjusting the levelness of the scraper 4 compressed and preset item
Part.
Halftone provided by the invention, tension-adjusting gear 3 are connected between silk screen 2 and screen frame 1, are supported on silk screen 2 when printing
It is pressed with scraper 4, the scraper on silk screen 2 is adjusted by tension-adjusting gear 3 compresses the tension of region each position and compressed to adjust
The levelness of scraper 4, until the levelness of scraper 4 meets preset condition, this process is not to be scraped by observation with user's eyes
The position at 4 both ends of knife judge the levelness of scraper 4, and the levelness precision of scraper 4 is higher after adjustment, and the distribution ratio of ink is then
Preferably, it can better assure that the quality for the light guide plate being printed as is preferable.
Wherein, as shown in figure 3, the middle part of silk screen 2 is provided with the printing zone 6 with site, scraper 4 is pressed on when printing
On printing zone 6.
Further, as shown in figure 5, halftone further includes：Tension detecting apparatus 7 is connected to tension-adjusting gear 3 and silk screen
Between 2 edge or be connected between tension-adjusting gear 3 and screen frame 1, for printing when detection scraper compress region everybody
The tension set.
Tension detecting apparatus 7 is connected between tension-adjusting gear 3 and the edge of silk screen 2 or tension detecting apparatus 7 connects
Between tension-adjusting gear 3 and screen frame 1, the tension for compressing region each position for detecting scraper in printing, with preferably
Promote the Level-adjusting precision of scraper 4.
Still further, as shown in fig. 6, halftone further includes：Control device 8 is detected with tension-adjusting gear 3 and tension
Device 7 is electrically connected, and tension for being detected according to tension detecting apparatus 7 in printing controls tension-adjusting gear 3.
Control device 8 is electrically connected with tension-adjusting gear 3 and tension detecting apparatus 7, for being examined according to tension in printing
It surveys tension that device 7 detects, control tension-adjusting gear 3, realize that automation adjusts the levelness of scraper 4, scraper 4 after adjustment
Levelness precision higher, the better quality for the light guide plate being printed as.
Specifically, in conjunction with shown in Fig. 3, Fig. 5 and Fig. 6, tension-adjusting gear 3 and tension detecting apparatus 7 are included in screen frame 1
Circumferential direction on it is symmetrically arranged multigroup, i.e., be respectively provided on four frame sides of screen frame 1 multigroup tension-adjusting gear 3 and tension detection dress
Set 7, and multigroup tension-adjusting gear 3 on any group of opposite frame side of screen frame 1 and tension detecting apparatus 7 are symmetrically set
It sets, such scraper compresses the then more acurrate of the tonometry of region each position, is also more conducive to adjustment scraper and compresses region each position
Tension, promoted 4 levelness of scraper debugging speed, and scraper 4 adjust after its levelness also can preferably meet it is default
Condition.
Wherein, any to tension-adjusting gear 3 as shown in figure 3, silk screen 2 includes multiple twines 21 of transverse and longitudinal interlaced arrangement
Between be connected with 5 twines 21, the usage quantity of tension-adjusting gear 3 can be reduced in this way, reduce the cost of manufacture of halftone.When
So, any can also be to be connected with 1 twine 21 of twine 21,10 of twine 21,2 or 15 between tension-adjusting gear 3
The purpose of the application can be achieved in twine 21 etc., and the more few then degree of regulation of quantity is higher, and quantity more at most degree of regulation is lower,
For its objective all without departing from the design philosophy of the present invention, details are not described herein, should all belong in the protection domain of the application.
Furthermore preset condition is：Any two difference in the tension that multiple tension detecting apparatus 7 detect is no more than pre-
If value.If default settings are 10N, then：
Multiple tension detecting apparatus 7 detect tension in any two difference no more than 10N when, without tensioning or pine
Relaxation twine 21；When being more than 10N there are two differences in the tension that multiple tension detecting apparatus 7 detect, at this point, the two difference
It is excessive, ink can be caused unbalance, make difference within the scope of 10N by adjusting corresponding tension-adjusting gear 3, reach pressure at two
Balance keeps ink usage.
Can also be only to judge that corresponding tension detecting apparatus 7 detects at 4 end positions of scraper to promote debugging speed
Tension difference and preset value relationship, can also realize the purpose of the application, only be there is the precision of levelness after scraper 4 adjusts
Reduced, but the quality of manufactured light guide plate also disclosure satisfy that requirement, objective without departing from the present invention design philosophy,
This is repeated no more, and should also be belonged in the protection domain of the application.
Specifically, tension detecting apparatus 7 is that tension detects table (manually and automatically debugging is used) or tension sensor is (automatic to adjust
It is on probation) etc., the purpose of the application can be achieved, for objective without departing from the design philosophy of the present invention, details are not described herein, should all belong to
In in the protection domain of the application.
Furthermore tension-adjusting gear 3 includes actuator and telescoping cylinder, and actuator is used to drive the telescopic rod of telescoping cylinder dynamic
Make, i.e.,：Control device 8 controls actuator action, and actuator controls the length that telescopic rod stretches out, changes 21 tension of twine with this.
Can be：Actuator is air pump, and telescoping cylinder is cylinder；Can also be：Actuator is oil pump, and telescoping cylinder is oil cylinder.
The middle part of silk screen 2 is provided with the printing zone 6 with site, and scraper 4 is pressed on printing zone 6 when printing.
Screen process press (not shown) provided by the invention, including the halftone described in any of the above-described embodiment.
Screen process press provided by the invention has all advantages of the halftone described in any of the above-described embodiment, herein not
It repeats again.
The screen process press can manually adjust scraper levelness process instead of existing, be greatly improved print production rate and lead
Tabula rasa prints yield.
In conclusion halftone provided by the invention, tension-adjusting gear are connected between silk screen and screen frame, silk screen when printing
On compressed scraper, the scraper on silk screen adjusted by tension-adjusting gear compress the tension of region each position and compressed to adjust
The levelness of scraper, until the levelness of scraper meets preset condition, this process is not with user's eyes by observing scraper
The position at both ends judge the levelness of scraper, and the levelness precision of scraper is higher after adjustment, can better assure that and be printed as
Light guide plate quality it is preferable.
Further, tension detecting apparatus is connected between tension-adjusting gear and the edge of silk screen or tension detecting apparatus
It is connected between tension-adjusting gear and screen frame, the tension for compressing region each position for detecting scraper in printing, with more preferable
Ground promotes the Level-adjusting precision of scraper.
Further, control device is electrically connected with tension-adjusting gear and tension detecting apparatus, for printing when according to
The tension of tension detecting apparatus detection controls tension-adjusting gear, realizes that automation adjusts the levelness of scraper, is scraped after adjustment
The levelness precision higher of knife, the better quality for the light guide plate being printed as.
In description herein, term " installation ", " connected ", " connection ", " fixation " etc. shall be understood in a broad sense, for example,
" connection " may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, can also lead to
Intermediary is crossed to be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning herein.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of this paper
In example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.
Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more of the embodiments or examples with suitable
Mode combine.
Although embodiment disclosed herein is as above, the content only implementation of use herein for ease of understanding
Mode is not limited to herein.Technical staff in any this paper fields, do not depart from spirit disclosed herein and
Under the premise of range, any modification and variation, but the patent protection model of this paper can be carried out in the form and details of implementation
It encloses, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of halftone, including screen frame and the silk screen in the screen frame；It is characterized in that, the halftone further includes：
Tension-adjusting gear is connected between the silk screen and the screen frame, for having compressed scraper by adjusting in printing
The silk screen on scraper compress region each position tension, come adjust the levelness of the scraper compressed to scraper meet it is default
Condition.
2. halftone according to claim 1, which is characterized in that further include：
Tension detecting apparatus is connected between the tension-adjusting gear and the edge of the silk screen or is connected to the tension tune
Between regulating device and the screen frame, for detecting the tension that the scraper compresses region each position in printing.
3. halftone according to claim 2, which is characterized in that further include：
Control device is electrically connected with the tension-adjusting gear and the tension detecting apparatus, is used in printing according to
The tension of tension detecting apparatus detection controls the tension-adjusting gear.
4. halftone according to claim 3, which is characterized in that the tension-adjusting gear and the tension detecting apparatus packet
It includes symmetrically arranged multigroup in the circumferential direction of the screen frame.
5. halftone according to claim 4, which is characterized in that the silk screen includes multiple twines of transverse and longitudinal interlaced arrangement,
It is any that 5~10 twines are connected between the tension-adjusting gear.
6. halftone according to claim 4, which is characterized in that preset condition is：Multiple tension detecting apparatus detections
Tension in any two difference no more than preset value.
7. halftone according to claim 2, which is characterized in that the tension detecting apparatus is that tension detects table.
8. halftone according to any one of claim 1 to 7, which is characterized in that the tension-adjusting gear includes driving
Part and telescoping cylinder, the actuator is for driving the telescopic rod of the telescoping cylinder to act.
9. halftone according to any one of claim 1 to 7, which is characterized in that being provided in the middle part of the silk screen has
The printing zone of site, scraper is pressed on the printing zone when printing.
10. a kind of screen process press, which is characterized in that include halftone as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214632.6A CN108501506B (en) | 2018-03-15 | 2018-03-15 | Screen printing plate and screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214632.6A CN108501506B (en) | 2018-03-15 | 2018-03-15 | Screen printing plate and screen printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108501506A true CN108501506A (en) | 2018-09-07 |
| CN108501506B CN108501506B (en) | 2020-03-06 |
Family
ID=63376650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810214632.6A Expired - Fee Related CN108501506B (en) | 2018-03-15 | 2018-03-15 | Screen printing plate and screen printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108501506B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724719A (en) * | 2019-01-02 | 2019-05-07 | 江门荣信电路板有限公司 | A kind of halftone tension detection system and its method |
| CN114905850A (en) * | 2022-05-31 | 2022-08-16 | 无锡尚德太阳能电力有限公司 | Testing method for levelness of printing machine |
| CN115091839A (en) * | 2022-07-01 | 2022-09-23 | 无锡尚德太阳能电力有限公司 | Method for determining stability of printing equipment |
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| US4893556A (en) * | 1987-02-23 | 1990-01-16 | Tdk Corporation | Screen printer with double doctor/squeegee, printing pressure sensor and aligning mechanism |
| CN101497255A (en) * | 2007-12-14 | 2009-08-05 | Kba-美创力公司 | Device and method for measuring the screen tension of the screen fabric in a silk screen frame |
| CN102169039A (en) * | 2011-04-26 | 2011-08-31 | 广东省计量科学研究院 | Calibrating device for screen (silk screen) tensiometer for printing |
| CN203396542U (en) * | 2013-08-28 | 2014-01-15 | 苏州莱测检测科技有限公司 | Screen tensiometer calibration device |
| CN203888338U (en) * | 2014-04-18 | 2014-10-22 | 深圳劲嘉彩印集团股份有限公司 | Stretching equipment for silk screen plate making |
| CN204020201U (en) * | 2014-08-04 | 2014-12-17 | 深圳劲嘉彩印集团股份有限公司 | Screen printing apparatus |
| CN204367553U (en) * | 2014-12-18 | 2015-06-03 | 联恒精密机械股份有限公司 | The scraper adjust structure of screen printer |
| CN107672294A (en) * | 2017-11-10 | 2018-02-09 | 京东方科技集团股份有限公司 | The method of silk-screen printing device and the tension force for adjusting its printing screen |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4893556A (en) * | 1987-02-23 | 1990-01-16 | Tdk Corporation | Screen printer with double doctor/squeegee, printing pressure sensor and aligning mechanism |
| CN101497255A (en) * | 2007-12-14 | 2009-08-05 | Kba-美创力公司 | Device and method for measuring the screen tension of the screen fabric in a silk screen frame |
| CN102169039A (en) * | 2011-04-26 | 2011-08-31 | 广东省计量科学研究院 | Calibrating device for screen (silk screen) tensiometer for printing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724719A (en) * | 2019-01-02 | 2019-05-07 | 江门荣信电路板有限公司 | A kind of halftone tension detection system and its method |
| CN114905850A (en) * | 2022-05-31 | 2022-08-16 | 无锡尚德太阳能电力有限公司 | Testing method for levelness of printing machine |
| CN114905850B (en) * | 2022-05-31 | 2024-02-23 | 无锡尚德太阳能电力有限公司 | Method for testing levelness of printing machine |
| CN115091839A (en) * | 2022-07-01 | 2022-09-23 | 无锡尚德太阳能电力有限公司 | Method for determining stability of printing equipment |
| CN115091839B (en) * | 2022-07-01 | 2023-08-15 | 无锡尚德太阳能电力有限公司 | Method for determining stability of printing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108501506B (en) | 2020-03-06 |
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