CN107160873B - Spray printing speed lifting method and device - Google Patents
Spray printing speed lifting method and device Download PDFInfo
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- CN107160873B CN107160873B CN201710387383.6A CN201710387383A CN107160873B CN 107160873 B CN107160873 B CN 107160873B CN 201710387383 A CN201710387383 A CN 201710387383A CN 107160873 B CN107160873 B CN 107160873B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
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- Application Of Or Painting With Fluid Materials (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Record Information Processing For Printing (AREA)
Abstract
The present invention provides a kind of spray printing speed lifting method and devices, are related to code-spraying printing technical field, are applied to continuous inkjet formula ink jet numbering machine, this method comprises: the information of spray printing generates lattice information as needed；The point for needing to delete in Null Spot is determined according to the layout of each column dot matrix in lattice information；Above-mentioned Null Spot is the point that spray printing is not required in lattice information；The point deletion that needs are deleted, generates new lattice information；Spray printing is carried out according to above-mentioned new lattice information.The present invention is laid out by each column dot matrix in lattice information to be determined the point for needing to delete in Null Spot and is deleted, to reduce the Null Spot occupied spray printing time, improves the limit velocity of continuous inkjet formula ink jet numbering machine.
Description
Technical field
The present invention relates to code-spraying printing technical fields, more particularly, to a kind of spray printing speed lifting method and device.
Background technique
Continuous inkjet formula (CIJ, continue ink jet) ink jet numbering machine is a kind of by software control, uses non-contact side
The equipment that formula is identified on product.As client is increasingly enhanced the requirement for improving production efficiency, ink jet numbering machine is in low failure
Compared to there is significant progress in the past in terms of rate and intelligent operation, but spray printing speed is because be limited to the reason of ink jet numbering machine
By to the charge control precision of ink dot, having an apparent theoretical spray printing when limit and high speed spray printing so as to cause ink jet numbering machine
Speed limit.
The column height of existing ink jet numbering machine is all the sum of character height of dot matrix selected by every row information plus being determined by control software
Fixed protection point quantity, so the raising of limit spray printing speed can only pass through following two mode: dominant frequency A, is improved, but it is limited
Can in obtain good ink droplet fractured-shape to obtain accurate ink droplet carried charge to guarantee spray printing quality, dominant frequency improves width
It spends limited, and improves requirement of the dominant frequency to ink jet numbering machine hardware (electrochemical properties of circuit control panel, nozzle arrangements and ink)
It will be substantially improved, to be difficult to ensure that the continuous spray printing stability of ink jet numbering machine reaches user demand；B, reduction or cancel be
Spray printing quality and increased protection point are improved, this can equally promote the requirement to ink jet numbering machine hardware.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of spray printing speed lifting method and device, to improve continuous spray
The spray printing speed of black formula ink jet numbering machine.
In a first aspect, being applied to the coding of continuous inkjet formula the embodiment of the invention provides a kind of spray printing speed lifting method
Machine, comprising: the information of spray printing as needed generates lattice information；Null Spot is determined according to the layout of each column dot matrix in lattice information
The middle point for needing to delete；Above-mentioned Null Spot is the point that spray printing is not required in lattice information；The point deletion that needs are deleted, generates new
Lattice information；Spray printing is carried out according to above-mentioned new lattice information.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein root
Determine that the point for needing to delete in Null Spot includes: more when existing between two available points according to the layout of each column dot matrix in lattice information
When a Null Spot, the partial invalidity point in multiple Null Spots is determined as to the point for needing to delete；Available point is to need in lattice information
Want the point of spray printing.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein root
Determine that the point for needing to delete in Null Spot includes: according to each column dot matrix in lattice information according to the layout of each column dot matrix in lattice information
Layout the whole of Null Spot is determined as to need the point deleted；The above method further include: each column point in new lattice information
The one or more protection points of insertion between battle array any two available point；Protection point is the point not charged.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein be determined as needing the point deleted including: according to spray printing by the partial invalidity point in multiple Null Spots
The movement speed and dominant frequency of product or spray head determine the column altitude range of lattice information；Multiple nothings are determined according to column altitude range
The point for needing to delete in effect point.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, further includes: be inserted into one or more protect in new lattice information between each column any two available point
Shield point；Protection point is the point not charged.
Second aspect, the embodiment of the present invention also provide a kind of spray printing speed lifting device, are applied to the coding of continuous inkjet formula
Machine, comprising: lattice information generation module, the information for spray printing as needed generate lattice information；Point determining module is deleted, is used
The point for needing to delete in the determining Null Spot of layout according to each column dot matrix in above-mentioned lattice information；Above-mentioned Null Spot is dot matrix letter
The point of spray printing is not required in breath；New lattice information generation module, for the point deletion for needing to delete to be generated to new lattice information；Spray
Impression block, for carrying out spray printing according to new lattice information.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein deletes
Except a determining module is also used to: when between two available points there are when multiple Null Spots, by the partial invalidity in multiple Null Spots
Point is determined as the point for needing to delete；Available point is the point that spray printing is needed in lattice information.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein deletes
Except determining module is also used to: the whole of Null Spot being determined as what needs were deleted according to the layout of each column dot matrix in lattice information
Point；Above-mentioned apparatus further include: protection point insertion a module, in new lattice information each column dot matrix any two available point it
Between be inserted into one or more protection points；Protection point is the point not charged.
In conjunction with the first possible embodiment of second aspect, the embodiment of the invention provides the third of second aspect
Possible embodiment, wherein delete point determining module and be also used to: according to the movement speed and dominant frequency of spray printing product or spray head
Determine the column altitude range of lattice information；The point for needing to delete in multiple Null Spots is determined according to column altitude range.
In conjunction with the first possible embodiment of second aspect, the embodiment of the invention provides the 4th kind of second aspect
Possible embodiment, further includes: protection point insertion a module, in new lattice information each column any two available point it
Between be inserted into one or more protection points；Protection point is the point not charged.
Continuous inkjet formula ink jet printer for printing speed lifting method and device provided in an embodiment of the present invention, pass through lattice information
Middle each column dot matrix, which is laid out, to be determined the point for needing to delete in Null Spot and is deleted, to reduce the occupied spray printing of Null Spot
Time improves the limit velocity of continuous inkjet formula ink jet numbering machine.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those skilled in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow diagram for the spray printing speed lifting method that the embodiment of the present invention one provides；
Fig. 2 is the dot matrix schematic diagram that the embodiment of the present invention one provides；
Fig. 3 is the charging pulse schematic diagram that the embodiment of the present invention one provides；
Fig. 4 is the structural schematic diagram of spray printing speed lifting device provided by Embodiment 2 of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those skilled in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Continuous inkjet formula ink jet numbering machine is limited to limit spray printing speed at present, is based on this, one kind provided in an embodiment of the present invention
Continuous inkjet formula ink jet printer for printing speed lifting method and device, can promote the limit velocity of continuous inkjet formula ink jet numbering machine.
Simply to be introduced the CIJ ink jet numbering machine in the embodiment of the present invention first convenient for understanding the present embodiment,
Its working principles are as follows:
CIJ ink jet numbering machine working principle is roughly divided into spray printing data conversion, ink droplet occurs, charge phase detection, ink droplet charging
And ink droplet deflects 5 parts, the working principle of each section is as follows:
Spray printing data conversion: the information of spray printing has number, letter, figure, Chinese character and symbol etc., it is necessary first to by spray printing
Information is converted into lattice information by certain algorithm, and the point in these dot matrix can be converted into phase according to the location of oneself
The voltage value answered, the data that these voltage values really need when being exactly spray printing, it can be passed to charging electrode filling as ink droplet
Electric pulse voltage.
Ink droplet occurs: the power source that ink depended on pressure pump provides reaches spray head by ink system, generates in pressure pump
Under ink pressure (2500-4000mbar), ink is ejected from the nozzle of a diameter very little (40-75 μm), forms the line of ink marker, nozzle
On one crystal oscillator bar (drive rod) is installed, crystal oscillator bar by a fixed frequency (dominant frequency) waveform (sine wave, triangular wave or
Square wave) driving.Crystal oscillator bar of the line of ink marker by fixed concussion, forms the ink droplet uniformly separated.
Charge phase detection: charge phase, that is, ink droplet charging opportunity fills to allow sizeable electricity on ink droplet band
Electric opportunity (phase) is extremely important.Ink jet numbering machine control software needs the machine of electrochemical properties and ink-droplet generator in conjunction with ink
Tool characteristic carries out the screening on optimal charge phase (opportunity).The correct selection of charge phase directly determines the spray printing matter of ink jet numbering machine
The stability of amount and continuous long-time high speed spray printing.
Ink droplet charging: after ink jet numbering machine receives spray printing signal, control software can be according to the charging voltage converted
Data are sequentially charged the ink droplet for needing spray printing with the charge phase (opportunity) selected, the control precision of ink droplet charging
(accuracy) will directly determine the quality of spray printing quality.
Ink droplet deflection: different charging voltages ensures that ink droplet will take charge of different sizes.Ink droplet leaves charging electricity
Extremely enter the high-voltage deflection electric field formed by zero pole plate and high-voltage deflection plate (or positive or negative high voltage deflecting plates), this deflecting electric field afterwards
Charged droplets can be made to deflect, the big amount of deflection of carried charge is big, and the small amount of deflection of carried charge is small.Uncharged ink droplet then will not
Deflection, these ink droplets not being electrically charged will be emitted directly toward in the ink recovery device (recovery tube) of spray head tail portion, then return again
It participates in recycling to ink system.The ink droplet being electrically charged can sequentially deflect out recovery tube, direct spray printing to product surface, in combination with
The movement (or spray head is mobile) of product itself, will be opened by the ink droplet on spray printing to product by being listed on product moving direction,
To obtain expected text or pattern.
Embodiment one
The embodiment of the present invention one provides a kind of spray printing speed lifting method, is applied to continuous inkjet formula ink jet numbering machine.Referring to
The flow diagram of spray printing speed lifting method shown in FIG. 1, this method comprises the following steps:
The information of step S11, spray printing as needed generate lattice information.
According to actual needs, the information of spray printing includes number, letter, figure, Chinese character and symbol etc., and above- mentioned information are passed through
Certain algorithm is converted into lattice information, and the point in these lattice informations can be converted into corresponding voltage according to location
The data really needed when value, i.e. spray printing, rear extended meeting are transferred to charging pulse voltage of the charging electrode as ink droplet.Conversion is calculated
Method can use mode in the prior art, and the present embodiment is without limitation.
Step S12 determines the point for needing to delete in Null Spot according to the layout of each column dot matrix in above-mentioned lattice information.
Wherein, Null Spot is the point that spray printing is not required in lattice information.Dot matrix schematic diagram shown in Figure 2 is 6x8 point
The character " E " of battle array, the points that each column includes in the dot matrix are 8, and the points that every row includes are 6, including the null of bottom
With the sky column on right side, it can be clearly seen that the number of the available point (point for needing spray printing) of first row is 7, the available point of secondary series
Number is 3, and Null Spot number is 4.In order to improve spray printing speed, need to reduce column height (each column needs of each column as far as possible
The points of spray printing, such as 2 row 6x8 lattice information of spray printing arrange height then as 16), therefore can be by part in Null Spot or complete
Portion is determined as the point for needing to delete, and can guarantee good spray printing quality again while promoting spray printing speed to reach.
Step S13, the point deletion that above-mentioned needs are deleted generate new lattice information.
Step S14 carries out spray printing according to above-mentioned new lattice information.
After obtaining above-mentioned new lattice information, spray printing is carried out according to the new lattice information.
Spray printing speed lifting method provided in this embodiment is laid out by each column dot matrix in lattice information and is determined in Null Spot
The point that needs to delete simultaneously is deleted, to reduce the Null Spot occupied spray printing time, improves continuous inkjet formula coding
The limit velocity of machine, and the requirement to ink jet numbering machine hardware is not promoted.
In above-mentioned steps S12, according to need to delete in the determining Null Spot of the layout of each column dot matrix in above-mentioned lattice information
Point specifically includes following two mode:
(1) when between two available points there are when multiple Null Spots, the partial invalidity point in above-mentioned multiple Null Spots is true
It is set to the point for needing to delete.
It due to the electrochemical properties of ink jet numbering machine ink, continuously cannot accurately be charged to ink droplet, need be electrically charged
The addition one or more of uniform (or having selection) protects point (ink droplet not charged) between ink droplet, therefore only deletes in Null Spot
Part, remaining partial invalidity point can play the role of protection point.Specifically, it is determined that needing the point deleted can be by following
Mode:
The column altitude range of lattice information is determined according to the movement speed and dominant frequency of spray printing product or spray head；It is high according to column
Degree range determines the point for needing to delete in multiple Null Spots.
It, will be by being listed in moving direction by the ink droplet on spray printing to product by the movement of product or spray head in spray printing
On be opened, to obtain expected text or pattern, since after deleting partial invalidity point, the column height of each column is different,
It will affect the effect of spray printing character, and spray printing effect is and movement speed and dominant frequency (determining the number of ink droplets per second that can be generated) phase
It closes, therefore the range of column height can be predefined according to movement speed and dominant frequency, need to delete further according to range determination
Point, guarantee delete rank rear height in this range, such as elemental height 1/3 to 1/2, thus improve spray printing speed it is same
When guarantee good spray printing quality.
Further, in order to improve spray printing quality, each column any two can also have in the new lattice information of generation
The one or more protection points of insertion, do not have the case where Null Spot mainly between two available points between effect point.
(2) whole of Null Spot is determined as to the point for needing to delete according to the layout of each column dot matrix in lattice information.
It is understood that Null Spot can also all be deleted, new lattice information is generated, in order to guarantee charging effect
With spray printing effect, one or more protection points are being inserted into new lattice information between each column any two available point.
Charging pulse schematic diagram shown in Figure 3 shows the charging pulse of spray printing character shown in Fig. 2 " E ",
In upper figure be charging pulse under normal mode, the following figure is to use the charging pulse after the method for the present embodiment.It can be with by upper figure
Find out that " E " of one 6x8 dot matrix of spray printing under normal mode needs about 726 microseconds, and without any for raising spray printing quality
And increased protection point, speed limit is had reached, the points of each column are at 8 points.
After the method for the present embodiment, only needs about 487 are micro- by " E " of one 6x8 dot matrix of spray printing under hyperspin mode
Second, and a protection point is also increased after the first of each column available point in order to improve spray printing quality, even so spray printing
Speed also about improves 50%, and the points of 5 column data each columns are respectively 8,4,4,4,4.
For multirow spray printing (column height is larger), the present embodiment more can be obviously improved spray printing speed on the basis of original, former
Highly bigger because being to arrange, the Null Spot in lattice information is more, and the reduction space of practical column height is bigger.
In high speed spray printing in order to guarantee spray printing quality, some ink jet numbering machines have used a kind of mode of staggeredly spray printing to reduce
The use for protecting point, when making spray printing in this way, the point data of each column not in accordance with the charging of dot matrix layout order (1,2,3,
4 ...), but according to point of the certain rule to each column staggeredly charged spray printing (such as 1,5,2,6,3,7 ... ..., 10,14,
11,15,12,16 ...), even if the spray printing time (column height) of this staggeredly spray printing each column is also fixation, can similarly make
Achieve the purpose that speed-raising with the method for the present embodiment.
Spray printing speed lifting method provided in this embodiment is broken through the changeless spray printing mode of original column height, is passed through
Each column dot matrix, which is laid out, in lattice information determines the point for needing to delete in Null Spot and is deleted, as far as possible in removal dot array data
Null Spot realizes that column are highly automated variable, reduces the Null Spot occupied spray printing time, to improve the spray of continuous inkjet formula
The spray printing speed of ink recorder, and the requirement to ink jet numbering machine hardware is not promoted.
Embodiment two
Second embodiment of the present invention provides a kind of spray printing speed lifting devices, are applied to continuous inkjet formula ink jet numbering machine.Referring to
The structural schematic diagram of spray printing speed lifting device shown in Fig. 4, which includes lattice information generation module
410, point determining module 420, new lattice information generation module 430 and spray printing module 440 are deleted, wherein the function of each module is such as
Under:
Lattice information generation module 410, the information for spray printing as needed generate lattice information.
Point determining module 420 is deleted, for determining need in Null Spot according to the layout of each column dot matrix in above-mentioned lattice information
The point to be deleted.Above-mentioned Null Spot is the point that spray printing is not required in lattice information；
New lattice information generation module 430, for the point deletion for needing to delete to be generated to new lattice information；
Spray printing module 440, for carrying out spray printing according to new lattice information.
Above-mentioned deletion point determining module 420 is also used to: when between two available points there are when multiple Null Spots, by multiple nothings
Partial invalidity point in effect point is determined as the point for needing to delete；Available point is the point that spray printing is needed in lattice information.
Deleting a point determining module 420 can be also used for: according to the layout of each column dot matrix in lattice information by the complete of Null Spot
Portion is determined as the point for needing to delete；Above-mentioned apparatus further include: protection point insertion module, for each column point in new lattice information
The one or more protection points of insertion between battle array any two available point；Protection point is the point not charged.
It deletes point determining module 420 to be also used to: dot matrix is determined according to the movement speed and dominant frequency of spray printing product or spray head
The column altitude range of information；The point for needing to delete in multiple Null Spots is determined according to column altitude range.
Above-mentioned apparatus further include: protection point insertion module, for each column any two available point in new lattice information
Between the one or more protection points of insertion；Protection point is the point not charged.
Spray printing speed lifting device provided in this embodiment is broken through the changeless spray printing mode of original column height, is passed through
Each column dot matrix, which is laid out, in lattice information determines the point for needing to delete in Null Spot and is deleted, as far as possible in removal dot array data
Null Spot realizes that column are highly automated variable, reduces the Null Spot occupied spray printing time, to improve the spray of continuous inkjet formula
The spray printing speed of ink recorder, and the requirement to ink jet numbering machine hardware is not promoted.
The technical effect and preceding method embodiment phase of device provided by the embodiment of the present invention, realization principle and generation
Together, to briefly describe, embodiment of the method part does not refer to place, can refer to corresponding contents in preceding method embodiment.
Finally, it should be noted that above embodiments, only a specific embodiment of the invention, to illustrate skill of the invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, it should be understood by those skilled in the art that: anyone skilled in the art takes off in the present invention
In the technical scope of dew, it can still modify to technical solution documented by previous embodiment or can readily occur in change
Change or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make relevant art
Scheme essence be detached from technical solution of the embodiment of the present invention spirit and scope, should all cover protection scope of the present invention it
It is interior.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (6)
1. a kind of spray printing speed lifting method, which is characterized in that be applied to continuous inkjet formula ink jet numbering machine, comprising:
The information of spray printing as needed generates lattice information；
The point for needing to delete in Null Spot is determined according to the layout of each column dot matrix in the lattice information；The Null Spot is described
The point of spray printing is not required in lattice information；
By the point deletion for needing to delete, new lattice information is generated；
Spray printing is carried out according to the new lattice information；
The layout according to each column dot matrix in the lattice information determines that the point for needing to delete in Null Spot includes:
When, there are when multiple Null Spots, the partial invalidity point in the multiple Null Spot being determined as needing between two available points
The point of deletion；The available point is the point that spray printing is needed in the lattice information；
Alternatively, the whole of the Null Spot is determined as what needs were deleted according to the layout of each column dot matrix in the lattice information
Point；The method also includes: one or more is being inserted into the new lattice information between each column dot matrix any two available point
A protection point；The protection point is the point not charged.
2. the method according to claim 1, wherein described that partial invalidity point in the multiple Null Spot is true
Being set to the point that needs are deleted includes:
The column altitude range of the lattice information is determined according to the movement speed and dominant frequency of spray printing product or spray head；
The point for needing to delete in the multiple Null Spot is determined according to the column altitude range.
3. the method according to claim 1, wherein the method also includes:
One or more protection points are being inserted into the new lattice information between each column any two available point；The protection point
For the point not charged.
4. a kind of spray printing speed lifting device, which is characterized in that be applied to continuous inkjet formula ink jet numbering machine, comprising:
Lattice information generation module, the information for spray printing as needed generate lattice information；
Point determining module is deleted, for need to delete in the determining Null Spot of layout according to each column dot matrix in the lattice information
Point；The Null Spot is the point that spray printing is not required in the lattice information；
New lattice information generation module, for needing the point deletion deleted to generate new lattice information for described；
Spray printing module, for carrying out spray printing according to the new lattice information；
The deletion point determining module, is also used to: when between two available points there are when multiple Null Spots, will be the multiple invalid
Partial invalidity point in point is determined as the point for needing to delete；The available point is the point that spray printing is needed in the lattice information；
Alternatively, the deletion point determining module, is also used to: will be described invalid according to the layout of each column dot matrix in the lattice information
The whole of point is determined as the point for needing to delete；Described device further include: protection point insertion module, in the new dot matrix letter
One or more protection points are inserted into breath between each column dot matrix any two available point；The protection point is the point not charged.
5. device according to claim 4, which is characterized in that the deletion point determining module is also used to:
The column altitude range of the lattice information is determined according to the movement speed and dominant frequency of spray printing product or spray head；
The point for needing to delete in the multiple Null Spot is determined according to the column altitude range.
6. device according to claim 4, which is characterized in that further include:
Protection point insertion module, for being inserted into one or more in the new lattice information between each column any two available point
A protection point；The protection point is the point not charged.
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| CN201710387383.6A CN107160873B (en) | 2017-05-26 | 2017-05-26 | Spray printing speed lifting method and device |
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| CN201710387383.6A CN107160873B (en) | 2017-05-26 | 2017-05-26 | Spray printing speed lifting method and device |
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| CN107160873B true CN107160873B (en) | 2019-05-31 |
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| CN114179505B (en) * | 2020-09-14 | 2023-01-10 | 森大（深圳）技术有限公司 | Print data processing method, device, equipment and storage medium |
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