CN108188841A - 3D glass polishing methods - Google Patents
3D glass polishing methods Download PDFInfo
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- CN108188841A CN108188841A CN201810169287.9A CN201810169287A CN108188841A CN 108188841 A CN108188841 A CN 108188841A CN 201810169287 A CN201810169287 A CN 201810169287A CN 108188841 A CN108188841 A CN 108188841A
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- Prior art keywords
- glass
- concave surface
- polishing
- profiling
- polished
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The present invention provides a kind of 3D glass polishing methods, including：The profiling convex surface consistent with the concave surface dimensions of 3D glass is processed on the inclined surface of an object, to obtain convex surface profiling jig, and the profiling concave surface consistent with the convex surface dimensions of 3D glass is processed on the inclined surface of another object, to obtain concave surface profiling jig；3D glass is positioned on the profiling jig of concave surface, and concave surface profiling jig is put on the formula polishing machine of side, is polished with the cambered surface of the concave surface outer rim to 3D glass；It by 180 ° of 3D glass turnings and is positioned on the profiling jig of convex surface, and convex surface profiling jig is put on the formula polishing machine of side, be polished with the cambered surface of the convex surface outer rim to 3D glass；3D glass is put on flat polishing machine, and make 3D glass convex surface and concave surface successively upward, be polished with the convex surface successively to 3D glass and the median surface of concave surface.The 3D glass polishing methods in the present invention solve the problems, such as that the polishing of R angles does not work.
Description
Technical field
The present invention relates to 3D glassmaking arts, more particularly to a kind of 3D glass polishing methods.
Background technology
With quickly growing for smart mobile phone, in order to pursue higher operating experience and aesthetics, the glass of smart mobile phone
Cover board (protecgulum and rear cover) shape-designing is gradually from 2D glass cover-plates or 2.5D glass cover-plates to 3D glass cover-plate transition.
The main moulding process of 3D glass cover-plates has hot bending and cold-formed two kinds of finishing impression, although measuring in the industry at present
Production type mostly makes 3D glass, but compared with hot bending using hot bending technique, and cold-formed glass is in size
It does better in terms of water proofing property after precision and product installation.But either hot bending and finishing impression is cold-formed, in 3D glass
It is required to carry out surface polishing after the molding of glass cover board.
In the prior art, the 3D glass polishing techniques used at present are usually that whole face puts down throwing, are come out to cold working
Glass when being polished, often have outer margin arc-surface (R angles) polishing and the bad phenomenons such as do not work, high rejection rate after polishing can not
It meets the requirements.
Invention content
Based on this, the object of the present invention is to provide a kind of 3D glass polishing methods, to solve existing polishing process to cold
When processing glass is polished, the outer margin arc-surface of appearance polishes the problem of not working.
A kind of 3D glass polishing methods, including：
The profiling convex surface consistent with the concave surface dimensions of the 3D glass is processed on the inclined surface of an object, to obtain
Convex surface profiling jig, and consistent with the convex surface dimensions of the 3D glass imitate is processed on the inclined surface of another object
Shape concave surface, to obtain concave surface profiling jig；
The 3D glass is positioned on the profiling jig of concave surface, and concave surface profiling jig is put on the formula polishing machine of side,
It is polished with the cambered surface of the concave surface outer rim to the 3D glass；
By 180 ° of the 3D glass turnings and it is positioned on the profiling jig of convex surface, and convex surface profiling jig is put into side formula
On polishing machine, it is polished with the cambered surface of the convex surface outer rim to the 3D glass；
The 3D glass is put on flat polishing machine, and make the 3D glass convex surface and concave surface successively upward, with
The median surface of the convex surface to the 3D glass and concave surface is polished successively.
Above-mentioned 3D glass polishing methods, by individually designed convex surface profiling jig and concave surface profiling jig, and using this two
Kind fixture completes the polishing of the 3D convex and the outer margin arc-surface (R angles) of concave surface, side throwing side on the formula polishing machine of side respectively
The conjugation higher of formula and the 3D glass cambered surface, cambered surface polishing effect is good, solves the problems, such as that outer margin arc-surface polishing does not work, this
Outside by the way that by the 3D glass slant setting, in polishing, polishing disk can more fully contact the cambered surface of the 3D glass, keep away
Exempt from polishing dead angle occur, further improve the polishing effect of the 3D glass cambered surface.Therefore, the 3D glass polishing methods lead to
It crosses using the mating type polishing mode for throwing median surface is equalled after first side throwing outer margin arc-surface, the mode for throwing bottom is equalled compared to a disk, is thrown
Light effect significantly improves.
Further, two long sides of the 3D glass are arcwall face, described that concave surface profiling jig is put into side formula polishing
On machine, the step of being polished with the cambered surface of the concave surface outer rim to the 3D glass, includes：
Concave surface profiling jig is put on the formula polishing machine of side, and makes the long side of the 3D glass horizontally disposed, with to institute
The long side cambered surface for stating the concave surface both sides of 3D glass is polished.
Further, the surrounding of the 3D glass is arcwall face, described that concave surface profiling jig is put into side formula polishing
On machine, the step of being polished with the cambered surface of the concave surface outer rim to the 3D glass, includes：
Concave surface profiling jig is put on the formula polishing machine of side, and makes the long side of the 3D glass horizontally disposed, with to institute
The long side cambered surface for stating the concave surface both sides of 3D glass is polished；
The 3D glass and concave surface profiling jig are overturn 90 ° together, so that the short side of the 3D glass is horizontally disposed,
It is polished with the short side cambered surface of the concave surface both sides to the 3D glass.
Further, the 3D glass is formed by cold working finishing impression, and after finishing impression, using ultrasonic cleaning.
Further, the profiling convex surface and the profiling concave surface are by surface polishing treatment.
Further, it when the outer margin arc-surface and median surface to the 3D glass are polished, was taken out every 8-12 minutes
The 3D glass checks polishing effect.
Further, before being polished to the 3D glass, according to the technological requirement of the 3D glass, determine that polishing makes
Hairbrush parameter and lapping liquid concentration.
Further, the lapping liquid is the aqueous solution of cerium oxide abrasives.
Further, the angle of inclination of the inclined surface of the object is between 40 ° -45 °.
Further, the object is a square aluminium block.
Description of the drawings
Fig. 1 is the flow chart of the 3D glass polishing methods in first embodiment of the invention；
Fig. 2 is the flow chart of the 3D glass polishing methods in second embodiment of the invention；
Fig. 3 is the stereogram of the 3D glass in second embodiment of the invention；
Fig. 4 is the stereogram of the convex surface profiling jig in second embodiment of the invention；
Fig. 5 is the stereogram of the concave surface profiling jig in second embodiment of the invention；
Fig. 6 is the flow chart of the 3D glass polishing methods in third embodiment of the invention；
Fig. 7 is the stereogram of the 3D glass in third embodiment of the invention；
Fig. 8 is the stereogram of the convex surface profiling jig in third embodiment of the invention；
Fig. 9 is the stereogram of the concave surface profiling jig in third embodiment of the invention；
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give several embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more phases
The arbitrary and all combination of the Listed Items of pass.
Referring to Fig. 1, the 3D glass polishing methods showing in first embodiment of the invention, including step S01 to step
S04。
Step S01 processes the profiling convex surface consistent with the concave surface dimensions of 3D glass on the inclined surface of an object, with
Convex surface profiling jig is obtained, and processing is consistent with the convex surface dimensions of the 3D glass on the inclined surface of another object
Profiling concave surface, to obtain concave surface profiling jig.
In the specific implementation, it can process to obtain two objects with an inclined surface in advance, then according to the 3D glass
Concave surface size, wherein on the inclined surface of an object process (such as turning, milling) go out profiling convex surface, to obtain convex surface profiling
Fixture, so that the concave surface of the 3D glass can fit with the profiling convex surface, after assembling, the convex surface of the 3D glass is by court
On, it is polished convenient for convex surface；Similarly, (such as turning, milling) is processed on the inclined surface of another object and goes out profiling concave surface, with
To concave surface profiling jig, so that the convex surface of the 3D glass can fit with the profiling concave surface, after assembling, the 3D glass
Concave surface will polish convenient for concave surface upward.
In addition it is also necessary to, it is noted that since profiling convex surface and profiling concave surface are respectively positioned on inclined surface, so that when described
When 3D glass is installed on convex surface profiling jig and concave surface profiling jig, the 3D glass is by slant setting.
The 3D glass is positioned on the profiling jig of concave surface by step S02, and concave surface profiling jig is put into side formula and is thrown
On ray machine, it is polished with the cambered surface of the concave surface outer rim to the 3D glass.
Wherein, the 3D glass is positioned on the profiling jig of concave surface and referred to, the convex surface of the 3D glass is imitated with concave surface
Profiling concave surface on clamp fits installation, so that the concave surface of the 3D glass is upward.
In addition it should be pointed out that side formula polishing machine refers to the polishing machine that polishing disk rotates in the vertical direction, such as slot hole
Clear off machine.
Step S03 by 180 ° of the 3D glass turnings and is positioned on the profiling jig of convex surface, and convex surface profiling jig is put
Enter onto side formula polishing machine, be polished with the cambered surface of the convex surface outer rim to the 3D glass.
Wherein, the 3D glass is positioned on the profiling jig of convex surface and referred to, the concave surface of the 3D glass is imitated with convex surface
Profiling convex surface on clamp fits installation, so that the convex surface of the 3D glass is upward.
The 3D glass is put on flat polishing machine by step S04, and make the 3D glass convex surface and concave surface successively
Upward, it is polished with the convex surface successively to the 3D glass and the median surface of concave surface.
It should be pointed out that flat polishing machine refers to the polishing machine that polishing disk rotates in the horizontal direction, such as twin grinding
Machine.
It in the specific implementation, can prior root when being polished to the convex surface of the 3D glass and the median surface of concave surface
According to the convex surface of the 3D glass and the dimensions of concave surface, profiling convex surface and profiling concave surface are processed in the plane of object, with
Convex surface fixture and concave surface fixture are respectively obtained, so as to 3D glass described in subsequent installation.
To sum up, the 3D glass polishing methods in the above embodiment of the present invention are pressed from both sides by individually designed convex surface profiling
Tool and concave surface profiling jig, and the 3D convex and concave surface are completed using both fixtures on the formula polishing machine of side respectively
The polishing of outer margin arc-surface (R angles), the conjugation higher of side throwing mode and the 3D glass cambered surface, cambered surface polishing effect is good, solves
Not the problem of outer margin arc-surface polishing does not work, in addition by the way that by the 3D glass slant setting, in polishing, polishing disk can be more complete
The cambered surface of the contact 3D glass in face, avoids the occurrence of polishing dead angle, further improves the polishing effect of the 3D glass cambered surface
Fruit.Therefore, the 3D glass polishing methods polish mode by using the mating type for throwing median surface is equalled after first side throwing outer margin arc-surface,
The mode for throwing bottom is equalled compared to a disk, polishing effect significantly improves.
Referring to Fig. 2, the 3D glass polishing methods showing in second embodiment of the invention, the 3D glass is by being cold worked
Finishing impression forms, and two long sides of the 3D glass are arcwall face (as shown in Figure 3), and the 3D glass polishing methods include step
S11 to step S19.
Step S11 is processed consistent with the concave surface dimensions of the 3D glass on the inclined surface of a square aluminium block
Profiling convex surface, to obtain convex surface profiling jig (as shown in Figure 4), and on the inclined surface of another square aluminium block processing with it is described
The consistent profiling concave surface of the convex surface dimensions of 3D glass, to obtain concave surface profiling jig (as shown in Figure 5).
Wherein, the angle of inclination of the inclined surface of the square aluminium block is 45 °, in other embodiments, the pros
The angle of inclination of the inclined surface of body aluminium block can also be the arbitrary value between 40 ° -45 °, specifically can be according to the R angles of the 3D glass
Radian is determined.In addition, in other embodiments, the object of other materials (such as plastics) can also be used to be used as concave surface, convex
The carrier of face profiling jig.
It should be pointed out that by verification experimental verification, the 3D glass is tilted 40 ° -45 ° to be polished, cambered surface
Polishing effect is best.
In the specific implementation, two square aluminium blocks can be found in advance, then by the way of milling respectively this two
40 ° -45 ° of inclined surface is processed on a square aluminium block, to obtain the main body of processing profiling jig.
Step S12 carries out surface polishing treatment to the profiling convex surface and the profiling concave surface.
Step S13 carries out the 3D glass after finishing impression quality inspection, and using ultrasonic cleaning mode to the institute after finishing impression
3D glass is stated to be cleaned.
Step S14 according to the technological requirement of the 3D glass, determines to polish the hairbrush parameter used and lapping liquid concentration.
Wherein, the lapping liquid is the aqueous solution of cerium oxide abrasives.
In the specific implementation, it according to parameter requests such as size, the surfaces of the 3D glass, can choose on polishing machine in advance
The parameters such as brush length, hardness, lapping liquid concentration, to build best polishing environment, additionally can reasonably adjust throwing
CD speed, pressure and other parameters, to reach best polishing effect.
The 3D glass is positioned on the profiling jig of concave surface by step S15, and concave surface profiling jig is put into side formula and is thrown
On ray machine, and make the long side of the 3D glass horizontally disposed, thrown with the long side cambered surface of the concave surface both sides to the 3D glass
Light, and took out the 3D glass every 8-12 minutes and check polishing effect.
Step S16 by 180 ° of the 3D glass turnings and is positioned on the profiling jig of convex surface, and convex surface profiling jig is put
Enter onto side formula polishing machine, and make the long side of the 3D glass horizontally disposed, with the long side of the convex surface both sides to the 3D glass
Cambered surface is polished, and is taken out the 3D glass every 8-12 minutes and checked polishing effect.
Step S17, carries out the 3D glass size and appearance detects.
The 3D glass is put on flat polishing machine by step S18, and make the 3D glass convex surface and concave surface successively
Upward, it is polished with the convex surface successively to the 3D glass and the median surface of concave surface, and the 3D was taken out every 8-12 minutes
Glass checks polishing effect.
It should be pointed out that by the way that the time control of polishing check at 8-12 minutes, can be prevented effectively polished
Degree, while operating personnel can also be avoided frequently to take the 3D glass.
Step S19 carries out appearance detection to the 3D glass.
Referring to Fig. 6, the 3D glass polishing methods showing in third embodiment of the invention, the 3D glass is by being cold worked
Finishing impression forms, and the surrounding of the 3D glass is arcwall face (as shown in Figure 7), and the 3D glass polishing methods include step
S21 to step S31.
Step S21 is processed consistent with the concave surface dimensions of the 3D glass on the inclined surface of a square aluminium block
Profiling convex surface, to obtain convex surface profiling jig (as shown in Figure 8), and on the inclined surface of another square aluminium block processing with it is described
The consistent profiling concave surface of the convex surface dimensions of 3D glass, to obtain concave surface profiling jig (as shown in Figure 9).
Wherein, the angle of inclination of the inclined surface of the square aluminium block is 45 °, in other embodiments, the pros
The angle of inclination of the inclined surface of body aluminium block can also be the arbitrary value between 40 ° -45 °, specifically can be according to the R angles of the 3D glass
Radian is determined.In addition, in other embodiments, the object of other materials (such as plastics) can also be used to be used as concave surface, convex
The carrier of face profiling jig.
It should be pointed out that by verification experimental verification, the 3D glass is tilted 40 ° -45 ° to be polished, cambered surface
Polishing effect is best.
In the specific implementation, two square aluminium blocks can be found in advance, then by the way of milling respectively this two
40 ° -45 ° of inclined surface is processed on a square aluminium block, to obtain the main body of processing profiling jig.
Step S22 carries out surface polishing treatment to the profiling convex surface and the profiling concave surface.
Step S23 carries out the 3D glass after finishing impression quality inspection, and using ultrasonic cleaning mode to the institute after finishing impression
3D glass is stated to be cleaned.
Step S24 according to the technological requirement of the 3D glass, determines to polish the hairbrush parameter used and lapping liquid concentration.
Wherein, the lapping liquid is the aqueous solution of cerium oxide abrasives.
In the specific implementation, it according to parameter requests such as size, the surfaces of the 3D glass, can choose on polishing machine in advance
The parameters such as brush length, hardness, lapping liquid concentration, to build best polishing environment, additionally can reasonably adjust throwing
CD speed, pressure and other parameters, to reach best polishing effect.
The 3D glass is positioned on the profiling jig of concave surface by step S25, and concave surface profiling jig is put into side formula and is thrown
On ray machine, and make the long side of the 3D glass horizontally disposed, thrown with the long side cambered surface of the concave surface both sides to the 3D glass
Light, and took out the 3D glass every 8-12 minutes and check polishing effect.
The 3D glass and concave surface profiling jig are overturn 90 ° by step S26 together, so that the short side of the 3D glass
It is horizontally disposed, it is polished with the short side cambered surface of the concave surface both sides to the 3D glass, and the 3D was taken out every 8-12 minutes
Glass checks polishing effect.
Step S27 by 180 ° of the 3D glass turnings and is positioned on the profiling jig of convex surface, and convex surface profiling jig is put
Enter onto side formula polishing machine, and make the long side of the 3D glass horizontally disposed, with the long side of the convex surface both sides to the 3D glass
Cambered surface is polished, and is taken out the 3D glass every 8-12 minutes and checked polishing effect.
The 3D glass and convex surface profiling jig are overturn 90 ° by step S28 together, so that the short side of the 3D glass
It is horizontally disposed, it is polished with the short side cambered surface of the convex surface both sides to the 3D glass, and the 3D was taken out every 8-12 minutes
Glass checks polishing effect.
Step S29, carries out the 3D glass size and appearance detects.
The 3D glass is put on flat polishing machine by step S30, and make the 3D glass convex surface and concave surface successively
Upward, it is polished with the convex surface successively to the 3D glass and the median surface of concave surface, and the 3D was taken out every 8-12 minutes
Glass checks polishing effect.
It should be pointed out that by the way that the time control of polishing check at 8-12 minutes, can be prevented effectively polished
Degree, while operating personnel can also be avoided frequently to take the 3D glass.
Step S31 carries out appearance detection to the 3D glass.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of 3D glass polishing methods, which is characterized in that including：
The profiling convex surface consistent with the concave surface dimensions of the 3D glass is processed on the inclined surface of an object, to obtain convex surface
Profiling jig, and the processing profiling consistent with the convex surface dimensions of the 3D glass is recessed on the inclined surface of another object
Face, to obtain concave surface profiling jig；
The 3D glass is positioned on the profiling jig of concave surface, and concave surface profiling jig is put on the formula polishing machine of side, with right
The cambered surface of the concave surface outer rim of the 3D glass is polished；
It by 180 ° of the 3D glass turnings and is positioned on the profiling jig of convex surface, and convex surface profiling jig is put into side formula polishing
On machine, it is polished with the cambered surface of the convex surface outer rim to the 3D glass；
The 3D glass is put on flat polishing machine, and make the 3D glass convex surface and concave surface successively upward, with successively
The median surface on convex surface and concave surface to the 3D glass is polished.
2. 3D glass polishing methods according to claim 1, which is characterized in that two long sides of the 3D glass are arc
Face, it is described that concave surface profiling jig is put on the formula polishing machine of side, it is thrown with the cambered surface of the concave surface outer rim to the 3D glass
The step of light includes：
Concave surface profiling jig is put on the formula polishing machine of side, and makes the long side of the 3D glass horizontally disposed, with to the 3D
The long side cambered surface of the concave surface both sides of glass is polished.
3. 3D glass polishing methods according to claim 1, which is characterized in that the surrounding of the 3D glass is arc
Face, it is described that concave surface profiling jig is put on the formula polishing machine of side, it is thrown with the cambered surface of the concave surface outer rim to the 3D glass
The step of light includes：
Concave surface profiling jig is put on the formula polishing machine of side, and makes the long side of the 3D glass horizontally disposed, with to the 3D
The long side cambered surface of the concave surface both sides of glass is polished；
The 3D glass and concave surface profiling jig are overturn 90 ° together, so that the short side of the 3D glass is horizontally disposed, with right
The short side cambered surface of the concave surface both sides of the 3D glass is polished.
4. 3D glass polishing methods according to claim 1, which is characterized in that the 3D glass by cold working finishing impression and
Into, and after finishing impression, using ultrasonic cleaning.
5. 3D glass polishing methods according to claim 1, which is characterized in that the profiling convex surface and the profiling concave surface
By surface polishing treatment.
6. 3D glass polishing methods according to claim 1, which is characterized in that the outer margin arc-surface of the 3D glass and
When median surface is polished, took out the 3D glass every 8-12 minutes and check polishing effect.
7. 3D glass polishing methods according to claim 1, which is characterized in that before being polished to the 3D glass,
According to the technological requirement of the 3D glass, determine to polish the hairbrush parameter used and lapping liquid concentration.
8. 3D glass polishing methods according to claim 7, which is characterized in that the lapping liquid is the water of cerium oxide abrasives
Solution.
9. 3D glass polishing methods according to claim 1, which is characterized in that the angle of inclination of the inclined surface of the object
Between 40 ° -45 °.
10. 3D glass polishing methods according to claim 3, which is characterized in that the object is a square aluminium block.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108857592A (en) * | 2018-06-27 | 2018-11-23 | 安徽金龙浩光电科技有限公司 | A kind of 2.75D hand-set lid polishing process |
| CN109079429A (en) * | 2018-06-27 | 2018-12-25 | 安徽金龙浩光电科技有限公司 | A kind of 3.5D hand-set lid production technology |
| CN109822444A (en) * | 2019-02-28 | 2019-05-31 | 重庆两江联创电子有限公司 | A kind of polishing method of bend glass |
| CN112496874A (en) * | 2020-11-30 | 2021-03-16 | 蓝思科技(东莞)有限公司 | 3D glass polishing jig and 3D glass surface treatment process |
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| CN106363467A (en) * | 2016-11-14 | 2017-02-01 | 天津津航技术物理研究所 | Locating tool and method for precision processing of optical lens |
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| CN108857592A (en) * | 2018-06-27 | 2018-11-23 | 安徽金龙浩光电科技有限公司 | A kind of 2.75D hand-set lid polishing process |
| CN109079429A (en) * | 2018-06-27 | 2018-12-25 | 安徽金龙浩光电科技有限公司 | A kind of 3.5D hand-set lid production technology |
| CN109822444A (en) * | 2019-02-28 | 2019-05-31 | 重庆两江联创电子有限公司 | A kind of polishing method of bend glass |
| CN112496874A (en) * | 2020-11-30 | 2021-03-16 | 蓝思科技(东莞)有限公司 | 3D glass polishing jig and 3D glass surface treatment process |
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