CN109029327A - The production method of the arc profile tolerance test method and 2.5D cover board of 2.5D cover board sample - Google Patents
The production method of the arc profile tolerance test method and 2.5D cover board of 2.5D cover board sample Download PDFInfo
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- CN109029327A CN109029327A CN201810579822.8A CN201810579822A CN109029327A CN 109029327 A CN109029327 A CN 109029327A CN 201810579822 A CN201810579822 A CN 201810579822A CN 109029327 A CN109029327 A CN 109029327A
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- cover board
- board sample
- arc profile
- profile tolerance
- test method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides the arc profile tolerance test method of 2.5D cover board sample and the production method of 2.5D cover board, which includes: the slice for obtaining 2.5D cover board sample；Slicing profile line is drawn by secondary element device；Plurality of parallel lines are done, two intersection points of each parallel lines and contour line are obtained；Measure each parallel lines between two intersection points of slicing profile line at a distance from, obtain measuring distance；Contrast test distance and pre-determined distance threshold value obtain comparing result.The production method includes the following steps: (1) that production obtains at least one 2.5D cover board sample；Step 2 carries out the test of arc profile tolerance using the above test method；Step 3: according to the comparing result of acquisition, non-defective unit is judged whether it is, if so, carrying out next step；If it is not, adjustment production technology, carries out step 1；Step 4: 2.5D cover board is produced in batches using the production technology that step 1 uses.The present invention, which can facilitate, judges whether 2.5D cover board sample is non-defective unit, improves the production yields and quality of 2.5D cover board.
Description
Technical field
The present invention relates to field of display technology, arc profile tolerance test method more particularly to 2.5D cover board sample and
The production method of 2.5D cover board.
Background technique
Now, 2.5D cover board has become the standard configuration of more and more display products, and 2.5D cover board refers to only in cover board
Edge using cambered surface design, and other regions for removing marginal position be pure-surface design, can be given using 2.5D cover board
Display product brings more superior feel, is easily manipulated, moreover it is possible to which having better anti-crushing performance and offer, more preferably vision is aobvious
Show effect.But the arc profile tolerance of the edge cambered surface of 2.5D cover board is the important parameter of 2.5D cover board, how to existing 2.5D
Cover board arc profile tolerance is tested, to be compared to determining whether the 2.5D cover board produced is that non-defective unit is with design size
A problem to be solved.
Summary of the invention
The technical problem to be solved by the present invention is to can effectively realize to test the arc profile tolerance of 2.5D cover board, side
Just judge whether 2.5D cover board sample is non-defective unit.
In order to solve the above technical problems, the present invention provides a kind of arc profile tolerance test method of 2.5D cover board sample, packet
Include following steps:
Step 1, the slice for obtaining 2.5D cover board sample；
Step 2, the contour line that the slice is drawn by secondary element device；
It is flat to obtain each for step 3, the plurality of parallel lines for doing array arrangement downwards along the top tangent line of the contour line of the slice
Two intersection points of line and contour line；
The distance between step 4, two intersection points for measuring each parallel lines and slicing profile line respectively, obtain measuring distance；
Step 5, the comparison measuring distance and pre-determined distance threshold value, obtain comparing result.
As a preferred solution of the present invention, the quantity of the parallel lines is four.
As a preferred solution of the present invention, using equidistant arrangement between a plurality of parallel lines.
As a preferred solution of the present invention, thickness≤3mm of the slice.
As a preferred solution of the present invention, the step 2 includes:
Step 2.1: the slice is placed on the microscope carrier of secondary element device；
Step 2.2: adjusting the CCD image pick-up device of secondary element device, complete focusing；
Step 2.4: passing through display outline on.
As a preferred solution of the present invention, before the step 2.1 further include: carry out the initial of secondary element device
Change correction.
Further, a kind of production method of 2.5D cover board is provided, comprising the following steps:
Step 1: production obtains at least one 2.5D cover board sample；
Step 2: using the arc profile tolerance test method of 2.5D cover board sample described in claim 1 to the 2.5D cover board sample
Carry out the test of arc profile tolerance；
Step 3: according to the comparing result of acquisition, judging whether it is non-defective unit, if non-defective unit, carry out next step；If defective products,
Production technology is adjusted, step 1 is carried out；
Step 4: 2.5D cover board is produced in batches using the production technology that step 1 uses.
As a preferred solution of the present invention, the step 1 includes: and carries out sawing sheet acquisition to big tablet raw material to process raw material
Piece successively carries out carrying out CNC machining and polishing forms, obtains 2.5D cover board sample to the piece that processes raw material.
As a preferred solution of the present invention, the adjustment production technology in the step 4 is to adjust the CNC cutting to add
Radian surplus in work.
The present invention has the following technical effect that a kind of arc profile tolerance test method of 2.5D cover board sample provided by the invention
The arc contour line that the slice of 2.5D cover board sample is obtained by secondary element device, can effectively ensure that the essence of the contour line got
Exactness then obtains the intersection point with contour line by a plurality of parallel lines at array arrangement, so as to get multiple comparisons
Measuring distance, comparing result can effectively be obtained by then comparing with pre-determined distance threshold value, realize the arc to 2.5D cover board
The accurate test of profile tolerance effectively facilitates and judges whether 2.5D cover board sample is non-defective unit.2.5D cover board provided by the invention
Production method can accurately realize 2.5D cover board sample arc profile tolerance test on the basis of, carrying out producing it in batches
Before, the judgement of non-defective unit is carried out, if non-defective unit is produced in batches using fixed production technology, if not non-defective unit, then carry out
The adjustment of production technology, so as to be effectively ensured batch production 2.5D cover board arc profile tolerance the quality of production, improve produce
Product yield and quality.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the arc profile tolerance test method of 2.5D cover board sample provided by the invention；
Fig. 2 is a kind of parallel lines layout drawing of the arc profile tolerance test method of 2.5D cover board sample provided by the invention；
Fig. 3 is a kind of flow diagram of the production method of 2.5D cover board provided by the invention.
Specific embodiment
To make the purpose of the present invention, technical solution and advantage are clearer, with reference to the accompanying drawing to embodiment of the present invention
It is described in further detail.Obviously, described embodiment is a part of the embodiments of the present invention, rather than whole implementation
Example.Based on described the embodiment of the present invention, those of ordinary skill in the art are obtained under the premise of being not necessarily to creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term that the present invention uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the present invention and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts.In the description of the present invention,
It is to be appreciated that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore the term of positional relationship is described in attached drawing
Only for illustration, it should not be understood as the limitation to this patent, for the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term is understood according to concrete condition.
Embodiment one
As shown in Figure 1, which show a kind of arc profile tolerance test methods of 2.5D cover board sample provided by the invention.2.5D lid
The arc profile tolerance test method of plate sample specifically includes the following steps:
Step 1, the slice for obtaining 2.5D cover board sample；Step 2, the contour line that the slice is drawn by secondary element device；Step
Rapid 3, the top tangent line along the slicing profile line does downwards the plurality of parallel lines of array arrangement, obtains each parallel lines and wheel
Two intersection points of profile；The distance between step 4, two intersection points for measuring each parallel lines and slicing profile line respectively, are obtained
Obtain measuring distance；Step 5, the comparison measuring distance and pre-determined distance threshold value, obtain comparing result.
In this way, since the arc profile tolerance test method of the 2.5D cover board sample of this case use is obtained by secondary element device
The arc contour line of the slice of 2.5D cover board sample, can effectively ensure that the accuracy of the contour line got, then by a plurality of
At the parallel lines of array arrangement obtain with the intersection point of contour line, so as to get multiple measuring distances, then with it is default away from
Comparing result can effectively be obtained by comparing from threshold value, realize the accurate test to the arc profile tolerance of 2.5D cover board, effectively
Facilitate and judge whether 2.5D cover board sample is non-defective unit.
Specifically, in the present embodiment, as shown in Fig. 2, the quantity of the parallel lines can be four, it is arranged in described cut
Below the top tangent line L of piece contour line S, L1, L2, L3 and L4 are respectively included, is arranged between a plurality of parallel lines using equidistant
Column, i.e., the spacing of arbitrary neighborhood adjacent lines is all consistent in L1, L2, L3 and L4, can effectively facilitate setting for parallel lines in this way
It sets, improves testing efficiency.Preferably, L4 is arranged in the minimum point of the wide W of arc.Specifically, after parallel lines are set, parallel lines L1 and wheel
Profile S intersects at A point and B point, and parallel lines L2 and contour line S intersect at C point and D point, and parallel lines L3 and contour line S intersect at E
Point and F line, parallel lines L4 and contour line S intersect at G point and H point, measure each parallel lines and slicing profile line respectively in this way
The distance between two intersection points, i.e., the distance between two points L got respectivelyAB、LCD、LEFAnd LGHFor measuring distance, so as to
Pre-determined distance threshold value compares acquisition comparing result, facilitates and judges whether 2.5D cover board sample is non-defective unit.Specifically, described pre-
If the acquisition methods of distance threshold are to be respectively set on the original design contour line of 2.5D cover board and a plurality of parallel lines position
Set consistent comparison parallel lines, and the distance of the intersection point by measuring comparison parallel lines and design profile line obtain each it is default away from
From threshold value.Specifically, the slice thickness preferably≤3mm.Facilitate the measurement of secondary element device, while also facilitating the two of slice
Fixation on secondary element device.Specifically, the step 2 includes: step 2.1: the slice is placed in the load of secondary element device
On platform；Step 2.2: adjusting the CCD image pick-up device of secondary element device, complete focusing；Step 2.4: passing through display outline on.
Preferably, before the step 2.1 further include: carry out the initialization correction of secondary element device.In such manner, it is possible to effectively improve two
Secondary element device obtains the accuracy of contour line.
Embodiment two
As shown in figure 3, which show a kind of production method of 2.5D cover board provided in this embodiment, the production side of the 2.5D cover board
Method, comprising the following steps:
Step 1: production obtains at least one 2.5D cover board sample；Step 2: using 2.5D cover board sample described in embodiment one
Arc profile tolerance test method carries out the test of arc profile tolerance to the 2.5D cover board sample；Step 3: according to the comparing result of acquisition,
Judge whether it is non-defective unit, if non-defective unit, carries out next step；If defective products, production technology is adjusted, carries out step 1；Step 4:
2.5D cover board is produced in batches using the production technology that step 1 uses.Specifically, the step 1 includes: to open big tablet raw material
Material obtains the piece that processes raw material, and successively carries out carrying out CNC machining to the piece that processes raw material and polishing forms, obtain 2.5D lid
Plate sample.Adjustment production technology in the step 4 is the radian surplus in the adjustment CNC machining.
Specifically, a kind of production method of 2.5D cover board provided in this embodiment first produces before being produced in batches
At least one 2.5D cover board sample carries out the test of arc profile tolerance, and carries out the judgement of non-defective unit, if non-defective unit is using fixed life
Production. art is produced in batches, if not non-defective unit, then carry out the adjustment of production technology, so as to which batch production is effectively ensured
The quality of production of the arc profile tolerance of 2.5D cover board improves product yield and quality；Moreover, because using described in embodiment one
The arc profile tolerance test method of 2.5D cover board sample carries out the test of arc profile tolerance, and the comparing result got includes multiple positions
Arc profile tolerance data, it is specifically, provided in this embodiment to obtain at least one so as to effectively facilitate the adjustment of production technology
The production method of 2.5D cover board sample specifically includes: sawing sheet carried out to big tablet raw material and obtains the piece that processes raw material, it is former to the processing
Tablet successively carries out carrying out CNC machining and polishing molding, obtains 2.5D cover board sample.Adjusting process provided in this embodiment
Adjustment production technology is the radian surplus in the adjustment CNC machining.During machining and polishing molding
Influence whether the final molding of 2.5D cover board arc profile tolerance, the present embodiment is in the 2.5D cover board sample provided based on embodiment one
Arc profile tolerance test method in go back to the ratio between final test distance and pre-determined distance threshold value, can effectively obtain and need to increase
Add or the processing radian numerical value of reduction, the later adjustment of the radian surplus of progress CNC machining keep polishing molding work
Skill, it will be able to the effectively convenient adjustment realized to the final molding of 2.5D cover board arc profile tolerance, since CNC machining is easy to
It is accurately adjusted, and processing result is accurately easy to control, such adjusting process method is simple and efficient, and can effectively improve life
Produce efficiency.It should be noted that can require to be judged according to the different of different product about whether the judgement for non-defective unit, adopt
Judged with standards such as deviation percent or absolute value of the bias, this is the content of the prior art, and it is not described here in detail.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations
Art scheme should all be fallen within the scope and spirit of the invention.
Claims (9)
1. a kind of arc profile tolerance test method of 2.5D cover board sample, which comprises the following steps:
Step 1, the slice for obtaining 2.5D cover board sample；
Step 2, the contour line that the slice is drawn by secondary element device；
It is flat to obtain each for step 3, the plurality of parallel lines for doing array arrangement downwards along the top tangent line of the contour line of the slice
Two intersection points of line and contour line；
The distance between step 4, two intersection points for measuring each parallel lines and slicing profile line respectively, obtain measuring distance；
Step 5, the comparison measuring distance and pre-determined distance threshold value, obtain comparing result.
2. the arc profile tolerance test method of 2.5D cover board sample according to claim 1, which is characterized in that the parallel lines
Quantity be four.
3. the arc profile tolerance test method of 2.5D cover board sample according to claim 1, which is characterized in that a plurality of described flat
Using equidistant arrangement between line.
4. the arc profile tolerance test method of 2.5D cover board sample according to claim 1, which is characterized in that the slice
Thickness≤3mm.
5. the arc profile tolerance test method of 2.5D cover board sample according to claim 1, which is characterized in that the step 2
Include:
Step 2.1: the slice is placed on the microscope carrier of secondary element device；
Step 2.2: adjusting the CCD image pick-up device of secondary element device, complete focusing；
Step 2.4: passing through display outline on.
6. the arc profile tolerance test method of 2.5D cover board sample according to claim 4, which is characterized in that in the step
Before 2.1 further include: carry out the initialization correction of secondary element device.
7. a kind of production method of 2.5D cover board, which comprises the following steps:
Step 1: production obtains at least one 2.5D cover board sample；
Step 2: using the arc profile tolerance test method of 2.5D cover board sample described in claim 1 to the 2.5D cover board sample
Carry out the test of arc profile tolerance；
Step 3: according to the comparing result of acquisition, judging whether it is non-defective unit, if non-defective unit, carry out next step；If defective products,
Production technology is adjusted, step 1 is carried out；
Step 4: 2.5D cover board is produced in batches using the production technology that step 1 uses.
8. the production method of 2.5D cover board according to claim 7, which is characterized in that the step 1 includes: to large stretch of former
Material carries out sawing sheet and obtains the piece that processes raw material, and successively carries out CNC machining to the piece that processes raw material and polishing forms, obtain
2.5D cover board sample.
9. the production method of 2.5D cover board according to claim 8, which is characterized in that the adjustment production in the step 4
Technique is the radian surplus in the adjustment CNC machining.
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| CN201810579822.8A CN109029327A (en) | 2018-06-07 | 2018-06-07 | The production method of the arc profile tolerance test method and 2.5D cover board of 2.5D cover board sample |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095084A (en) * | 2019-05-21 | 2019-08-06 | 苏州泰润达发动机零部件有限公司 | A method of spherical surface profile is measured based on optical secondary member |
| CN110360934A (en) * | 2019-07-15 | 2019-10-22 | 北海市龙浩光电科技有限公司 | A method of measurement globoidal glass cover board |
| CN111536923A (en) * | 2020-04-30 | 2020-08-14 | 中国航发哈尔滨东安发动机有限公司 | Profile inspection method and device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921984A (en) * | 2004-02-26 | 2007-02-28 | 泰森克鲁普汽车股份公司 | Device for production of a pre-formed shape on a workpiece by grinding and corresponding method |
| CN101392382A (en) * | 2008-10-15 | 2009-03-25 | 江苏大学 | Method and device for strengthening surface modification by combination of laser cladding and laser peening |
| CN101806586A (en) * | 2010-04-21 | 2010-08-18 | 上海交通大学 | Method and device for measuring section contour of sealing strip of vehicle based on image matching |
| CN102109338A (en) * | 2011-01-10 | 2011-06-29 | 山东力诺瑞特新能源有限公司 | Testing method for radian of end cover |
| CN202903168U (en) * | 2012-10-29 | 2013-04-24 | 昆山倚信精密工业有限公司 | High-precision quick contour dimension measuring and automatic processing equipment |
| CN104400092A (en) * | 2014-11-28 | 2015-03-11 | 湖北三江航天险峰电子信息有限公司 | Milling finish machining method for three-dimensional profile with composite inclined surface on outline |
| CN105300291A (en) * | 2015-10-30 | 2016-02-03 | 山东省农作物种质资源中心 | Seed form size observer and observation method |
| CN105458363A (en) * | 2015-12-14 | 2016-04-06 | 广东长盈精密技术有限公司 | Highlight chamfering rework method of mobile phone appearance part |
-
2018
- 2018-06-07 CN CN201810579822.8A patent/CN109029327A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921984A (en) * | 2004-02-26 | 2007-02-28 | 泰森克鲁普汽车股份公司 | Device for production of a pre-formed shape on a workpiece by grinding and corresponding method |
| CN101392382A (en) * | 2008-10-15 | 2009-03-25 | 江苏大学 | Method and device for strengthening surface modification by combination of laser cladding and laser peening |
| CN101806586A (en) * | 2010-04-21 | 2010-08-18 | 上海交通大学 | Method and device for measuring section contour of sealing strip of vehicle based on image matching |
| CN102109338A (en) * | 2011-01-10 | 2011-06-29 | 山东力诺瑞特新能源有限公司 | Testing method for radian of end cover |
| CN202903168U (en) * | 2012-10-29 | 2013-04-24 | 昆山倚信精密工业有限公司 | High-precision quick contour dimension measuring and automatic processing equipment |
| CN104400092A (en) * | 2014-11-28 | 2015-03-11 | 湖北三江航天险峰电子信息有限公司 | Milling finish machining method for three-dimensional profile with composite inclined surface on outline |
| CN105300291A (en) * | 2015-10-30 | 2016-02-03 | 山东省农作物种质资源中心 | Seed form size observer and observation method |
| CN105458363A (en) * | 2015-12-14 | 2016-04-06 | 广东长盈精密技术有限公司 | Highlight chamfering rework method of mobile phone appearance part |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095084A (en) * | 2019-05-21 | 2019-08-06 | 苏州泰润达发动机零部件有限公司 | A method of spherical surface profile is measured based on optical secondary member |
| CN110360934A (en) * | 2019-07-15 | 2019-10-22 | 北海市龙浩光电科技有限公司 | A method of measurement globoidal glass cover board |
| CN111536923A (en) * | 2020-04-30 | 2020-08-14 | 中国航发哈尔滨东安发动机有限公司 | Profile inspection method and device |
| CN111536923B (en) * | 2020-04-30 | 2022-04-01 | 中国航发哈尔滨东安发动机有限公司 | Profile inspection method and device |
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Application publication date: 20181218 |