CN110525086A - A kind of blank and the process for surface coating for blank - Google Patents
A kind of blank and the process for surface coating for blank Download PDFInfo
- Publication number
- CN110525086A CN110525086A CN201910644989.2A CN201910644989A CN110525086A CN 110525086 A CN110525086 A CN 110525086A CN 201910644989 A CN201910644989 A CN 201910644989A CN 110525086 A CN110525086 A CN 110525086A
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- burr
- blank
- tilted surface
- bottom plate
- weak
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- 238000000576 coating method Methods 0.000 title claims abstract description 66
- 239000011248 coating agent Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003746 surface roughness Effects 0.000 claims abstract description 3
- 238000007639 printing Methods 0.000 claims description 23
- 238000004513 sizing Methods 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Vascular Medicine (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
It the present invention provides a kind of blank and for the process for surface coating of blank, solves that blank existing in the prior art is in use, is not able to satisfy the technical issues of comprehensive observer can clearly see writing.It includes bottom plate, several burrs for being used to increase its surface roughness is printed on the bottom plate, the burr includes vertical burr and inclined-plane burr；The top of the vertical burr is spherical crown shape；The top of the inclined-plane burr has skewed cambered surface.Blank provided by the invention can be according to using the needs of position to select suitable blank, clearly to be presented to the writing on blank；Also, when being projected using projector to blank, the observer in front is able to maintain consistent with the projection ray that the observer at rear is experienced, no matter being observed in which position and being all unaffected, can improve the usage experience of user, be able to satisfy use demand.
Description
Technical field
The present invention relates to a kind of blanks, and in particular to a kind of blank and the process for surface coating for blank.
Background technique
In blank manufacturing process, need to increase in surface printing burr the roughness of whiteboard surface, light is in whiteboard dial
Diffusing reflection, the angle of increasing light reflection, the writing for enabling larger range of observer clearly to see on blank occur for face.
However, the burr mass production on blank, light reflection angle close range, when principal light source is not or not center
When, reflection ray angle covering trend is not able to satisfy the demand of usage scenario, for example, before blank is mounted on the left of classroom in classroom
Side, blank diffusing reflection region is symmetrically unfolded with center to two sides, right side observer not in diffusing reflection overlay area, then it is difficult
To observe the writing on blank；When being projected using projector to blank, it will usually close environment light, when environment light deficiency,
Diffusing reflection range is impacted to reduce outgoing range, and main incident ray mainly goes out after blank diffusing reflection above blank
Light is penetrated in blank nearby side, i.e. nearby square observer understands that projection of sensation's light is excessively bright, and the observer in a distant place can feel light
It is weaker；Therefore the blank burr of generalization batch production can not satisfy the use demand.
Applicants have discovered that at least there is following technical problem in the prior art:
1, blank in the prior art, in use, writing can clearly be seen by not being able to satisfy comprehensive observer；
2, blank in the prior art, when being projected using projector to blank, the observer in front understands projection of sensation's light
Cross bright, the observer in a distant place can feel that light is weaker, and usage experience is bad, cannot satisfy the use demand.
Summary of the invention
The purpose of the present invention is to provide a kind of blank and for the process for surface coating of blank, to solve in the prior art
Existing blank is in use, is not able to satisfy the technical issues of comprehensive observer can clearly see writing.The present invention
Many technical effects elaboration as detailed below that the optimal technical scheme in many technical solutions provided can be generated.
To achieve the above object, the present invention provides following technical schemes:
A kind of blank provided by the invention, including bottom plate are printed on the bottom plate and several are used to increase its rough surface
The burr of degree, the burr include vertical burr and inclined-plane burr；The top of the vertical burr is spherical crown shape；The inclined convex
The top of line has skewed cambered surface；
The inclined-plane burr include top left side have the weak left tilted surface burr of skewed cambered surface, strong left tilted surface burr and
Top right side has the weak right tilted surface burr of skewed cambered surface, any one or more in strong right tilted surface burr；
When inclined-plane burr is a variety of, vertical burr and the setting of a variety of inclined-plane burrs interval.
Optional or preferred, it is 15 ° -25 ° that the weak left tilted surface burr top left side, which has the angle between horizontal plane,
Skewed cambered surface；
The weak right tilted surface burr top right side has the skewed cambered surface that the angle between horizontal plane is 15 ° -25 °；
The strong left tilted surface burr top left side has the skewed cambered surface that the angle between horizontal plane is 25 ° -40 °；
The strong right tilted surface burr top right side has the skewed cambered surface that the angle between horizontal plane is 25 ° -40 °.
A kind of process for surface coating for above-mentioned blank provided by the invention, includes the following steps:
(1) type of burr printing is determined according to the installation site of blank:
1. being mounted on intermediate front position: need to print in vertical burr, weak left tilted surface burr and strong left tilted surface burr extremely
Few a kind of and at least one of weak right tilted surface burr and strong right tilted surface burr；
2. being mounted on left side front position: need to print in vertical burr and weak right tilted surface burr and strong right tilted surface burr
It is at least one；
3. being mounted on right side front position: need to print in vertical burr and weak left tilted surface burr and strong left tilted surface burr
It is at least one；
(2) when needing to print a variety of burrs, one of burr is first selected to be printed, is carried out down again after its sizing
A kind of printing of burr, until a kind of last burr printing, sizing.
It is optional or preferred, the step (1) 2. in, when being mounted on left side front position: printing vertical burr, the weak right side
Inclined-plane burr and strong right tilted surface burr.
It is optional or preferred, the step (1) 3. in, when being mounted on right side front position: printing vertical burr, a weak left side
Inclined-plane burr and strong left tilted surface burr.
Optional or preferred, in the step (2), the vertical burr and a variety of inclined-plane burrs are not printed at column-shaped respectively
Brush, and interval printing one by one.
It is optional or preferred, in the step (2), it is convex to carry out weak right tilted surface burr, strong right tilted surface burr, weak left tilted surface
The method of the printing of line and strong left tilted surface burr are as follows:
1. rolling by the round brush for speckling with coating in backplate surface, burr is formed；
Be allowed to tilt 2. bottom plate left or right side is raised, the coating on burr flows downwards, burr top right side or
Left side forms skewed cambered surface；
3. being laid flat when by bottom plate, when coating will not flow again, bottom plate is put into horizontal position and waits coating solidification.
It is optional or preferred, the step (2) 2. in, when bottom plate left or right side is raised, the bottom plate and horizontal
Angle between face is 15 ° -40 °；It need to keep raised condition -100 seconds 40 seconds.
It is optional or preferred, step (2) 2. and 3. between be additionally provided with step A, specifically:
A, when coating is not fully cured, on the right side of bottom plate or left side is raised and is allowed to tilt, paint return is made.
It is optional or preferred, when being equipped with step A,
The step (2) 2. in, when bottom plate left or right side is raised, the angle between the bottom plate and horizontal plane is 15 °-
40°；It need to keep raised condition -50 seconds 20 seconds；
In step (2) A, when on the right side of bottom plate or left side is raised, the angle between the bottom plate and horizontal plane is 18 °-
60°；It need to keep raised condition -120 seconds 100 seconds.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect:
The blank that blank provided by the invention and application are obtained provided by the present invention for the process for surface coating of blank,
Due to having vertical burr and inclined-plane burr thereon, it is symmetrical to two sides with blank center that vertical burr forms diffusing reflection exit area
Expansion, inclined-plane burr are formed diffusing reflection exit area and are symmetrically unfolded with skewed cambered surface face region to two sides；For example, by blank
When in front of being mounted on the left of classroom, using containing vertical burr, (weak right tilted surface burr and/or the strong right side are tiltedly with right tilted surface burr at this time
Face burr) arrangement blank can expand diffusing reflection region enable right side front observer clearly see writing；The present invention
The blank of offer, can be according to using the needs of position to select suitable blank, to be clearly in the writing on blank
It is existing；Also, when being projected using projector to blank, projection ray that the observer in front and the observer at rear are experienced
It is able to maintain unanimously, is all unaffected regardless of being observed in which position, the usage experience of user can be improved, be able to satisfy
Use demand.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the microstructure schematic diagram of burr in Example 1 and Example 2 of the present invention；
Fig. 2 be 2 in the embodiment of the present invention in burr microstructure schematic diagram；
Fig. 3 be the embodiment of the present invention 1, in embodiment 2 and embodiment 3 burr diffusing reflection schematic diagram；
Fig. 4 is that strong left tilted surface burr and weak left tilted surface burr are skewed in the embodiment of the present invention 1, embodiment 2 and embodiment 3
The structural schematic diagram of cambered surface.
In figure: 1, bottom plate；2, strong left tilted surface burr；3, weak left tilted surface burr；4, vertical burr；5, weak right tilted surface burr；
6, coatings tank；7, end spherical crown shape coating；8, skewed cambered surface.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
It is as Figure 1-Figure 4:
The present invention provides a kind of process for surface coating for above-mentioned blank, include the following steps:
(1) type of burr printing is determined according to the installation site of blank:
1. being mounted on intermediate front position: need to print in vertical burr 4, weak left tilted surface burr 3 and strong left tilted surface burr 2
At least one of at least one and weak right tilted surface burr 5 and strong right tilted surface burr；
2. being mounted on left side front position: need to print in vertical burr 4 and weak right tilted surface burr 5 and strong right tilted surface burr
At least one；
3. being mounted on right side front position: vertical burr 4 and weak left tilted surface burr 3 and strong left tilted surface burr 2 need to be printed
At least one of；
(2) when needing to print a variety of burrs, one of burr is first selected to be printed, is carried out down again after its sizing
A kind of printing of burr, until a kind of last burr printing, sizing.
Provided by the present invention for the blank that the process for surface coating of blank obtains, due to having vertical 4 He of burr thereon
Inclined-plane burr, vertical burr 4 are formed diffusing reflection exit area and are symmetrically unfolded with blank center to two sides, and inclined-plane burr forms unrestrained anti-
Exit area is penetrated symmetrically to be unfolded with skewed 8 face region of cambered surface to two sides；For example, blank is mounted on front on the left of classroom
When, it is white using arranging containing vertical burr 4 with right tilted surface burr 5 (weak right tilted surface burr 5 and/or strong right tilted surface burr) at this time
Plate, which can expand diffusing reflection region, enables the observer in right side front clearly to see writing；Blank provided by the invention, can be with
According to using the needs of position to select suitable blank, clearly to be presented to the writing on blank；Also, using throwing
Shadow instrument to blank project when, the observer in front be able to maintain with the projection ray that the observer at rear is experienced it is consistent, no matter
It is observed in which position and is all unaffected, the usage experience of user can be improved, be able to satisfy use demand.
As optional embodiment, the step (1) 2. in, when be mounted on left side front position: print vertical burr
4, weak right tilted surface burr 5 and strong right tilted surface burr.
As optional embodiment, the step (1) 3. in, when be mounted on right side front position: print vertical burr
4, weak left tilted surface burr 3 and strong left tilted surface burr 2.
As optional embodiment, in the step (2), the vertical burr and a variety of inclined-plane burrs are divided equally not in column
Shape printing, and interval printing one by one.
As optional embodiment, in the step (2), weak right tilted surface burr 5, strong right tilted surface burr, a weak left side are carried out
The method of the printing of inclined-plane burr 3 and strong left tilted surface burr 2 are as follows:
1. the round brush by speckling with coating forms burr in 1 surface scrolls of bottom plate；
Be allowed to tilt 2. 1 left or right side of bottom plate is raised, the coating on burr flows downwards, burr top right side or
Left side forms skewed cambered surface 8；
Step (2) 1. in the burr that is formed by coating, it is also uncured when just shaping since coating is fluid, in step
Suddenly (2) can quickly be flowed after 2. tilting, and burr width narrows, and start to solidify in flow process, and flow velocity reduces, and width increases,
Width will form coatings tank 6 after narrowing, coatings tank 6 keeps the width of skewed cambered surface 8 uneven, and burr collapses to be formed to bottom
Taper, conical top form spherical crown shape coating, spherical crown shape coating flows faster, and advanced flowing pushes up skewed 8 front end of cambered surface
Portion will form end spherical crown shape coating 7；
3. being laid flat when by bottom plate 1, when coating will not flow again, bottom plate 1 is put into horizontal position, coating is waited to coagulate
Gu.
As optional embodiment, the step (2) 2. in, when 1 left or right side of bottom plate is raised, the bottom plate 1
Angle between horizontal plane is 15 ° -40 °；It need to keep raised condition -100 seconds 40 seconds.
As optional embodiment, when the viscosity low flow velocity of coating is fast, can assist solidifying with ultraviolet light.
As optional embodiment, when inclined-plane burr is a variety of, the vertical burr 4 and a variety of inclined-plane burrs are divided equally
It is not printed at column-shaped, the bottom spacing g in each column between adjacent two vertical burrs 4 or two inclined-plane burrs is 2.5-
3.5mm (preferably 3.0mm), the bottom spacing e between two adjacent column burrs is 2.5-3.5mm (preferably 3.0mm).
As optional embodiment, the weak left tilted surface burr 3, strong left tilted surface burr 2, weak right tilted surface burr, Qiang You
The base diameter f of inclined-plane burr is 0.8mm-1.2mm (preferably 1.0mm).
Specifically, printing process when below printing citing to the corresponding diffusing reflection region of a variety of burrs and a variety of burrs
It is illustrated:
(1) the corresponding diffusing reflection region of a variety of burrs:
Be mounted on left front with blank to be illustrated: printed on bottom plate 1 vertical burr 4, weak right tilted surface burr 5 and
Strong right tilted surface burr, when being printed, strong right tilted surface burr, weak right tilted surface burr 5 and vertical burr 4 are spaced print one by one
Brush.
As shown in figure 3, I region between lines a-a is the diffusing reflection region that vertical burr 4 is formed, between lines b-b
II region is the diffusing reflection region that right tilted surface generates, and III region between lines c-c is the diffusing reflection region that strong right tilted surface generates；
As can be seen that diffusing reflection region can be expanded by the inclined-plane burr being arranged on blank；It simultaneously can be different by setting
The inclined-plane burr in direction controls the direction of reflecting region from the inclined-plane burr of different powers, by control the arrangement of different burrs with
Diffusive intensity in density domination different range, the region that observer can be made to concentrate is apparent, other observer region energy
The writing enough seen on blank and dark space and Qiang Fanguang will not be generated；
As shown in figure 3, the region d is trigonum, which works as classroom outside vertical 4 range of burr and strong inclined-plane burr
Blank, which is placed on side, when longer will appear this trigonum, therefore is arranged and compares the lesser weak inclined-plane burr of strong inclined-plane burr angle
Cover trigonum.
(2) printing process when a variety of burrs print:
When needing to coat the burr of X seed type, a kind of burr is first selected to be coated, and adjacent when being coated
X column coating is spaced between burr；
If the first coating is vertical burr 4, the coating of next kind of burr is carried out after vertical burr 4 solidifies；If
Inclination crystallization operation is 2. 3. then carried out by step (2) for inclined-plane burr, the painting of next kind of burr is carried out after inclined-plane burr solidifies
It covers；
Coating secondary series is simultaneously spaced X column coating；If second of coating is vertical burr 4, after the solidification of vertical burr 4
Carry out a kind of coating of lower burr；Inclination crystallization operation is 2. 3. then carried out by step (2) if inclined-plane burr, it is solid to inclined-plane burr
The coating of next kind of burr is carried out after change；
The coating of next burr is carried out according to the method described above, until the sizing of all burrs, solidification are completed.
As shown in Figure 1, specifically, when X is 4, need to coat strong left tilted surface burr 2, weak left tilted surface burr 3, vertical convex
When 5 four kinds of burrs of line 4 and right tilted surface burr；
3. the strong left tilted surface burr 2 for the column that first coat 1,5,9 ..., 2. carries out inclination crystallization operation by step (2)；
3. the weak left tilted surface burr 3 of column 2. carries out inclination crystallization operation by step (2) for re-coating 2,6,10 ...；
The vertical burr 4 for the column that are then coated 3,7,11 ... waits sizing and solidifying；
3. the right tilted surface burr 5 for the column that finally coat 4,8,12 ..., 2. carries out inclination crystallization operation by step (2).
Embodiment 2:
The present embodiment 2 difference from example 1 is that:
As optional embodiment, step (2) 2. and 3. between be additionally provided with step A, specifically:
A, when coating is not fully cured, 1 right side of bottom plate or left side are raised and is allowed to tilt, paint return is made.
As optional embodiment, when being equipped with step A,
The step (2) 2. in, when 1 left or right side of bottom plate is raised, the angle between the bottom plate 1 and horizontal plane is
15°-40°；It need to keep raised condition -50 seconds 20 seconds；
In step (2) A, when 1 right side of bottom plate or left side are raised, the angle between the bottom plate 1 and horizontal plane is
18°-60°；It need to keep raised condition -120 seconds 100 seconds.
After joined step A, inclined-plane raised lines structure as shown in Figure 2 will form.
Step (2) 1. in the burr that is formed by coating, it is also uncured when just shaping since coating is fluid, in step
Suddenly (2) can quickly be flowed after 2. tilting, and burr width narrows, and start to solidify in flow process, and flow velocity reduces, and width increases,
Width will form coatings tank 6 after narrowing, coatings tank 6 keeps the width of skewed cambered surface 8 uneven, and burr collapses to be formed to bottom
Taper, conical top form spherical crown shape coating, spherical crown shape coating flows faster, and advanced flowing pushes up skewed 8 front end of cambered surface
Portion will form end spherical crown shape coating 7；
After step (2) A inclination, flows front end and the not solidified part coatings of end spherical crown shape coating 7 back, can fill out
Coatings tank 6 is filled, while removing a part of end spherical crown shape coating 7, keeps skewed cambered surface 8 more smooth, diffusing reflection can be optimized
Effect, usage experience is more preferably.
Embodiment 3:
The present invention provides a kind of blank, it by above-described embodiment 1 or implement in 2 for the process for surface coating of blank into
Row coating is completed.
It includes bottom plate 1, and several burrs for being used to increase its surface roughness, the burr are printed on the bottom plate 1
Including vertical burr 4 and inclined-plane burr；The top of the vertical burr 4 is spherical crown shape；The top of the inclined-plane burr, which has, inclines
Ramp-like cambered surface 8；
The inclined-plane burr includes weak left tilted surface burr 3, the strong left tilted surface burr 2 that top left side has skewed cambered surface 8
And top right side has the weak right tilted surface burr 5 of skewed cambered surface 8, any one or more in strong right tilted surface burr；
When inclined-plane burr is a variety of, vertical burr 4 and the setting of a variety of inclined-plane burrs interval.
As optional embodiment, weak 3 top left side of left tilted surface burr is with the angle n between horizontal plane
The skewed cambered surface 8 of 15 ° -25 ° (preferably angle is 20 °)；
It is 15 ° -25 ° (preferably angle is 20 °) that weak 5 top right side of right tilted surface burr, which has the angle between horizontal plane,
Skewed cambered surface 8；
There is strong 2 top left side of left tilted surface burr the angle m between horizontal plane to be 25 ° -40 °, and (preferably angle is
35 °) skewed cambered surface 8；
It is 25 ° -40 ° (preferably angle is 35 °) that the strong right tilted surface burr top right side, which has the angle between horizontal plane,
Skewed cambered surface 8.
As optional embodiment, when inclined-plane burr is a variety of, the vertical burr 4 and a variety of inclined-plane burrs are divided equally
It is not printed at column-shaped, the bottom spacing g in each column between adjacent two vertical burrs 4 or two inclined-plane burrs is 2.5-
3.5mm (preferably 3.0mm), the bottom spacing e between two adjacent column burrs is 2.5-3.5mm (preferably 3.0mm).
As optional embodiment, the weak left tilted surface burr 3, strong left tilted surface burr 2, weak right tilted surface burr, Qiang You
The base diameter f of inclined-plane burr is 0.8mm-1.2mm (preferably 1.0mm).
As optional embodiment, there is the coatings tank 6 formed because of inclination on the inclined-plane burr.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of blank, including bottom plate, several burrs for being used to increase its surface roughness, feature are printed on the bottom plate
Be: the burr includes vertical burr and inclined-plane burr；The top of the vertical burr is spherical crown shape；The inclined-plane burr
Top has skewed cambered surface；
The inclined-plane burr includes weak left tilted surface burr, strong left tilted surface burr and the top that top left side has skewed cambered surface
Right side has the weak right tilted surface burr of skewed cambered surface, any one or more in strong right tilted surface burr；
When inclined-plane burr is a variety of, vertical burr and the setting of a variety of inclined-plane burrs interval.
2. blank according to claim 1, it is characterised in that: the weak left tilted surface burr top left side has and horizontal plane
Between angle be 15 ° -25 ° skewed cambered surface；
The weak right tilted surface burr top right side has the skewed cambered surface that the angle between horizontal plane is 15 ° -25 °；
The strong left tilted surface burr top left side has the skewed cambered surface that the angle between horizontal plane is 25 ° -40 °；
The strong right tilted surface burr top right side has the skewed cambered surface that the angle between horizontal plane is 25 ° -40 °.
3. a kind of process for surface coating for blank described in claims 1 or 2, it is characterised in that: include the following steps:
(1) type of burr printing is determined according to the installation site of blank:
1. being mounted on intermediate front position: at least one in vertical burr, weak left tilted surface burr and strong left tilted surface burr need to be printed
Kind and at least one of weak right tilted surface burr and strong right tilted surface burr；
2. being mounted on left side front position: need to print in vertical burr and weak right tilted surface burr and strong right tilted surface burr at least
It is a kind of；
3. being mounted on right side front position: need to print in vertical burr and weak left tilted surface burr and strong left tilted surface burr at least
It is a kind of；
(2) when needing to print a variety of burrs, one of burr is first selected to be printed, carries out lower one kind again after its sizing
The printing of burr, until a kind of last burr printing, sizing.
4. the process for surface coating according to claim 3 for blank, it is characterised in that: the step (1) 2. in, when
It is mounted on left side front position: printing vertical burr, weak right tilted surface burr and strong right tilted surface burr.
5. the process for surface coating according to claim 3 for blank, it is characterised in that: the step (1) 3. in, when
It is mounted on right side front position: printing vertical burr, weak left tilted surface burr and strong left tilted surface burr.
6. the process for surface coating according to claim 3 for blank, it is characterised in that: described in the step (2)
Vertical burr and a variety of inclined-plane burrs, which are divided equally, not to be printed at column-shaped, and interval printing one by one.
7. being used for the process for surface coating of blank according to claim 3-6, it is characterised in that: in the step (2), into
The method of the printing of the weak right tilted surface burr of row, strong right tilted surface burr, weak left tilted surface burr and strong left tilted surface burr are as follows:
1. rolling by the round brush for speckling with coating in backplate surface, burr is formed；
It is allowed to tilt 2. bottom plate left or right side is raised, the coating on burr flows downwards, burr top right side or left side
Form skewed cambered surface；
3. being laid flat when by bottom plate, when coating will not flow again, bottom plate is put into horizontal position and waits coating solidification.
8. the process for surface coating according to claim 7 for blank, it is characterised in that: the step (2) 2. in, will
When bottom plate left or right side is raised, the angle between the bottom plate and horizontal plane is 15 ° -40 °；It need to keep raised condition 40 seconds -100
Second.
9. the process for surface coating according to claim 8 for blank, it is characterised in that: step (2) 2. and 3.
Between be additionally provided with step A, specifically:
A, when coating is not fully cured, on the right side of bottom plate or left side is raised and is allowed to tilt, paint return is made.
10. the process for surface coating according to claim 9 for blank, it is characterised in that: when being equipped with step A,
The step (2) 2. in, when bottom plate left or right side is raised, the angle between the bottom plate and horizontal plane is 15 ° -40 °；
It need to keep raised condition -50 seconds 20 seconds；
In step (2) A, when on the right side of bottom plate or left side is raised, the angle between the bottom plate and horizontal plane is 18 ° -60 °；
It need to keep raised condition -120 seconds 100 seconds.
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| CN201910644989.2A CN110525086B (en) | 2019-07-17 | 2019-07-17 | White board and surface coating process for white board |
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| CN110525086B (en) | 2021-04-27 |
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