CN109574514A - A kind of manufacture craft of 3D glass cover-plate - Google Patents
A kind of manufacture craft of 3D glass cover-plate Download PDFInfo
- Publication number
- CN109574514A CN109574514A CN201811466027.4A CN201811466027A CN109574514A CN 109574514 A CN109574514 A CN 109574514A CN 201811466027 A CN201811466027 A CN 201811466027A CN 109574514 A CN109574514 A CN 109574514A
- Authority
- CN
- China
- Prior art keywords
- glass
- plate
- sheet body
- glass sheet
- glass cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B3/00—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
Abstract
The present invention is suitable for glass cover-plate manufacture craft, provide a kind of manufacture craft of 3D glass cover-plate, the step of manufacture craft are as follows: cleaning, sawing sheet load cleaning, hot bending shape, cleaning taking-up, the molding of CNC numerically-controlled machine tool finishing impression, tempering, silk-screen, AF plated film and ultrasonic cleaning, 3D glass cover-plate novel in appearance made from the technique, good visual effect meets people to the appearance requirement of glass cover-plate high-quality, and manufacturing cost is low, it can be mass, be with a wide range of applications.It efficiently solves glass cover-plate in the prior art and is substantially plane or 2.5D, homogeneity is serious, lacks novelty, it is difficult to the problem of meeting appearance requirement of the people to product high-quality.
Description
Technical field
The invention belongs to glass cover-plate manufacture craft more particularly to a kind of manufacture crafts of 3D glass cover-plate.
Background technique
With making rapid progress for consumer electronics product, the product competition of various brands is fierce, and consumer is for consumer electricity
The requirement of sub- product is also higher and higher, in addition to hardware specification (such as processor, screen size and the pixel, network of electronic product
Standard, camera pixel etc.), consumer also values the design of electronic product very much.
By taking the TW cover board in 3C Product as an example, glass cover-plate currently on the market is substantially plane or 2.5D, homogeneity
Change serious, shortage novelty.Therefore existing glass cover-plate has been difficult to meet people to the appearance requirement of product high-quality.
Summary of the invention
The embodiment of the present invention provides a kind of manufacture craft of 3D glass cover-plate, it is intended to solve glass cover-plate base in the prior art
This is all plane or 2.5D, and homogeneity is serious, lacks novelty, it is difficult to meet people to the appearance requirement of product high-quality
Problem.
The embodiments of the present invention are implemented as follows, a kind of manufacture craft of 3D glass cover-plate, the manufacturing process steps packet
It includes:
(1), it cleans: cleaning, drying being carried out to former material glass surface with high pressure draught or high pressure water flow, it is spare；
(2), sawing sheet: by the former material glass-cutting after cleaning, drying at the glass sheet body of multiple required apparent sizes；
(3), it loads cleaning: glass pellet surface being cleaned with high pressure draught or high pressure water flow, then a mould is set
Tool, the mold include moving template and solid plate, and the moving template and solid plate can form one and glass slice shape when molding
Glass sheet body is placed on solid plate and is positioned by identical die cavity；
(4), hot bending shape: mold is put into heating furnace together with glass sheet body, and heating reaches the temperature of glass sheet body
500-600 DEG C, keep the temperature 4-7 minutes；Continuing heating makes the hot pressing temperature of glass sheet body to 950-1050 DEG C, to moving template
Apply the pressure of 0.1-0.4MPa, driving template is to solid plate to solid plate gradually close to until molding, moving template and cover half
The upper and lower surfaces that plate presses against glass sheet body make the glass sheet body, and bending deformation forms mold cavity shapes at high operating temperatures
Glass sheet body, keep pressure and temperature 6-9 minutes；
(5), cleaning is taken out: mold being taken out from heating furnace, room temperature is naturally cooled to, mold is opened, takes out glass
Sheet body is cleaned and is dried to glass pellet surface with high pressure draught；
(6), CNC numerically-controlled machine tool finishing impression forms: glass sheet body being put on CNC numerically-controlled machine tool and is processed into preset shape and ruler
Very little glass sheet body, and the shape of glass sheet body, 3D cambered surface, installation through-hole and bevelling are processed, it carries out after processing is completed
Cleaning；
(7), tempering: glass sheet body is subjected to chemical tempering processing, its hardness is made to reach 6H or more, glass cover-plate is made；
(8), silk-screen: ink printing is carried out to glass cover-plate obtained, the glass cover-plate after ink is printed is put into IR baking
Ink is reinforced in baking in oven；
(9), AF plated film: glass cover-plate being taken out from IR oven, naturally cools to room temperature, to glass cover plate surfaces into
Row cleaning, drying carries out AF coating film treatment to the glass cover-plate after cleaning, drying；
(10), ultrasonic cleaning.
Preferably, the material of the moving template and solid plate is quartz or ceramics；The inner surface of the die cavity it is coarse
Degree is 0.002-0.005 μm.
Preferably, the thermal conductivity of the moving template and solid plate is 100 DEG C of -200 DEG C/cm3 per minute.
Preferably, the relational expression of the thickness of the glass sheet body and hot pressing temperature are as follows: when sheet glass body thickness is 1mm,
Hot pressing temperature is 980 DEG C, and the every increase of the thickness of glass sheet body/reduction 0.1mm, hot pressing temperature increase accordingly/reduce 10 DEG C.
Preferably, 16-22 furnace temperature point is provided in the heating furnace.
Preferably, the CNC numerically-controlled machine tool finishing impression moulding process first carries out roughing to glass sheet body, and roughing is by glass
Sheet body is cut into preset shape and dimension glass sheet body, and rough machined surplus puts 0.3-0.4mm, then carries out finishing to glass sheet body
Work, the surplus of finishing is 0.08-0.1mm, then glass sheet body is ground and is polished, after being ground and polishing required precision be
±0.02mm。
Preferably, the CNC numerically-controlled machine tool carries out roughing to the external shape of sheet glass, 3D cambered surface, installation through-hole and bevelling
And finishing, with the sand knife of 500-1200 granularity when roughing, with the sand knife of 800-1500 granularity, each tool changing when finishing
Afterwards, laser is automatically performed to knife.
The beneficial effects of the present invention are:
1, by the way of preheating and hot pressing, hot pressing temperature is higher than preheating temperature, so that glass sheet body plasticity becomes larger,
Since die cavity can be made smooth, so that the surface that not will lead to sheet glass body when hot pressing is thicker, so that this processing side
The finished surface smoothness that method processes is fine, does not need secondary operation, can disposably process in place.
2, using hot pressing and thickness relationship formula hot pressing temperature is changed with the change of the thickness of glass sheet body, thus
Improve the yields of the product of different-thickness.
3, the 3D double curved glass cover board made by completely new technique, novel in appearance, good visual effect meet people
To the appearance requirement of glass cover-plate high-quality, and manufacturing cost is low, can be mass, and is with a wide range of applications.
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 the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.
Fig. 1 is a kind of flow chart of the manufacture craft of 3D glass cover-plate provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of mold provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows a kind of flow chart of the manufacture craft of 3D glass cover-plate provided in an embodiment of the present invention, and details are as follows:
(1), it cleans: cleaning, drying being carried out to former material glass surface with high pressure draught or high pressure water flow, it is spare；
(2), sawing sheet: by the former material glass-cutting after cleaning, drying at the glass sheet body of multiple required apparent sizes；
(3), it loads cleaning: glass pellet surface being cleaned with high pressure draught or high pressure water flow, then a mould is set
Tool 100, as shown in Fig. 2, the mold 100 includes moving template 110 and solid plate 120, the moving template 110 and solid plate 120 are closed
A die cavity 130 identical with glass slice shape can be formed when mould, and glass sheet body is placed on solid plate 120 and is positioned；
(4), hot bending shape: mold is put into heating furnace together with glass sheet body, and heating reaches the temperature of glass sheet body
500-600 DEG C, keep the temperature 4-7 minutes；Continuing heating makes the hot pressing temperature of glass sheet body to 950-1050 DEG C, to moving template
Apply the pressure of 0.1-0.4MPa, driving template is to solid plate to solid plate gradually close to until molding, moving template and cover half
The upper and lower surfaces that plate presses against glass sheet body make the glass sheet body, and bending deformation forms mold cavity shapes at high operating temperatures
Glass sheet body, keep pressure and temperature 6-9 minutes；
(5), cleaning is taken out: mold being taken out from heating furnace, room temperature is naturally cooled to, mold is opened, takes out glass
Sheet body is cleaned and is dried to glass pellet surface with high pressure draught；
(6), CNC numerically-controlled machine tool finishing impression forms: glass sheet body being put on CNC numerically-controlled machine tool and is processed into preset shape and ruler
Very little glass sheet body, and the shape of glass sheet body, 3D cambered surface, installation through-hole and bevelling are processed, it carries out after processing is completed
Cleaning；
(7), tempering: glass sheet body is subjected to chemical tempering processing, its hardness is made to reach 6H or more, glass cover-plate is made；
(8), silk-screen: ink printing is carried out to glass cover-plate obtained, the glass cover-plate after ink is printed is put into IR baking
Ink is reinforced in baking in oven；
(9), AF plated film: glass cover-plate being taken out from IR oven, naturally cools to room temperature, to glass cover plate surfaces into
Row cleaning, drying carries out AF coating film treatment to the glass cover-plate after cleaning, drying；
(10), ultrasonic cleaning.
The manufacture craft of 3D glass cover-plate provided in an embodiment of the present invention, the 3D glass cover-plate shape as made from the technique
Novelty, good visual effect meet people to the appearance requirement of glass cover-plate high-quality, and manufacturing cost is low, can be mass,
It is with a wide range of applications.It efficiently solves glass cover-plate in the prior art and is substantially plane or 2.5D, homogeneity is tight
Weight lacks novelty, it is difficult to the problem of meeting appearance requirement of the people to product high-quality
In embodiments of the present invention, the material of the moving template and solid plate is quartz or ceramics；The die cavity it is interior
The roughness on surface is 0.002-0.005 μm, and the roughness that quartz and ceramics are capable of high temperature resistant and surface can be made
Smooth, die cavity is that moving template and solid plate are collectively formed, and the surface fitting of the inner surface and glass sheet body of die cavity therefore will
The inner surface of die cavity is designed in above-mentioned roughness section that the roughness of the glass sheet body after capable of guaranteeing hot pressing is no more than throwing
Roughness after light, so that not needing second polishing after hot pressing.And the thermal conductivity of moving template and solid plate be 100 DEG C per minute-
150℃/cm3.Thermal conductance design can guarantee that glass sheet body gradually heats up in above-mentioned section, and internal structure uses resistance to height
Temperature, thermal shock resistant ceramic material, it is non-volatile under high temperature, do not crack, ensure that the cleanliness in furnace chamber, avoid impurity to sheet glass outside
The influence of sight, and reasonable layout realizes the uniform of temperature, guarantees that mold can reach uniform effect in temperature-rise period, prevents
Only heating up too fast leads to slight crack.
In the present embodiment, the relational expression of the thickness of the glass sheet body and hot pressing temperature are as follows: when sheet glass body thickness is
When 1mm, hot pressing temperature is 980 DEG C, the every increase of the thickness of glass sheet body/reduction 0.1mm, hot pressing temperature increase accordingly/reduce 10
DEG C, which change hot pressing temperature with the change of the thickness of glass sheet body, to improve the product of different-thickness
Yields, and using preheat and hot pressing by the way of, and hot pressing temperature is higher than preheating temperature, so that glass sheet body plasticity
Become larger, since die cavity can be made smooth, so that the surface that not will lead to sheet glass body when hot pressing is thicker, so that this adds
The finished surface smoothness that work method processes is fine, does not need secondary operation, can disposably process in place.
In the present embodiment, it is provided with 16-22 furnace temperature point in the heating furnace, heats in-furnace temperature convenient for real-time monitoring
Uniformity makes sheet glass physical efficiency thermally equivalent, avoids stress so that the intracorporal temperature of glass sheet body furnace in sintering procedure is uniform
Embrittlement ensure that higher production yield.
In the present embodiment, the CNC numerically-controlled machine tool finishing impression moulding process first carries out roughing, roughing to glass matrix
Glass matrix is cut into glass sheet body, rough machined surplus puts 0.3-0.4mm, then finishes to glass sheet body, finishing
The surplus of work is 0.08-0.1mm, then glass sheet body is ground and is polished, after being ground and polish required precision for ±
0.02mm；By installing Double-station manipulator on the carving machine of CNC numerically-controlled machine tool, drive servo motor come accurate using PLC
Control manipulator picks and places glass between material frame and machining position, and cooperation carving machine realizes full-automatic processing, need to only process one
An other frame is changed after frame glass, can continue to process, while can operate 15-20 platform machine.NC program is executed by PLC to control
It makes 4 servo motors and realizes 6DOF space coordinates, wherein X, A, B, C axis drive the gear-box of 1:10 using servo motor
Indirect drive is done approximate 360 degree of circular motion, Y and Z axis using the ball-screw of servo motor driving screw pitch 10mm, is reconnected
The arm of force does approximate 120 degree of circular motion.The machinery of the finishing impression Double-station manipulator returns to zero precision: +/- 1 degree；Repetitive positioning accuracy:
+/- 1 degree；Positioning accuracy: ± 0.02mm carries out high-acruracy survey by the detection feedback function of PID controller, can be according to controlled
Object auto computing goes out best pid control parameter, to guarantee mechanical movement precision, realizes that the automation of hand-set lid glass is accurate
Manpower is saved in processing, improves production efficiency.
In the present embodiment, the CNC numerically-controlled machine tool also processes the external shape of sheet glass and bevelling, and when roughing is used
The sand knife of 500-1200 granularity after each tool changing, is automatically performed laser to knife with the sand knife of 800-1500 granularity when finishing,
The processing service life of cutter is improved while ensure that shape, bevelling processing uniformity, ensure that higher production yield.
In the present embodiment, the steel process is to be put into glass sheet body in the potassium nitrate fused salt of high-purity to carry out by force
Change.
In the present embodiment, silk screen printing process can carry out ink printing, including color according to the requirement or actual needs of client
Modulation, ink thickness.Printing technology is improved using automatic up/down screen-printing machine, pick-and-place material, electrostatic are carried out by manipulator automatically
Dedusting is accurately positioned, and improves ink printing quality, reduces human error.
In the present embodiment, the glass cover-plate after silk-screen, which carries out AF plated film, can prevent fingerprint and greasy dirt from adhering to, can be light
Easily erasing, and the operation of AF film coating equipment is more convenient, is more energy-saving and environmentally friendly.
In the present embodiment, the super refreshing wave cleaning process is the cavitation utilized ultrasonic wave in a liquid, accelerates
Degree effect and direct flow effect to liquid and dirt directly, indirectly effect, make crud layer by dispersion, emulsification, removing and reach
Cleaning purpose.With stains such as the watermark, white point, finger-marks, the dusts that remove glass cover plate surfaces.
The beneficial effects of the present invention are:
1, by the way of preheating and hot pressing, hot pressing temperature is higher than preheating temperature, so that glass sheet body plasticity becomes larger,
Since die cavity can be made smooth, so that the surface that not will lead to sheet glass body when hot pressing is thicker, so that this processing side
The finished surface smoothness that method processes is fine, does not need secondary operation, can disposably process in place.
2, using hot pressing and thickness relationship formula hot pressing temperature is changed with the change of the thickness of glass sheet body, thus
Improve the yields of the product of different-thickness.
3, the 3D double curved glass cover board made by completely new technique, novel in appearance, good visual effect meet people
To the appearance requirement of glass cover-plate high-quality, and manufacturing cost is low, can be mass, and is with a wide range of applications.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of manufacture craft of 3D glass cover-plate, which is characterized in that the manufacturing process steps include:
(1), it cleans: cleaning, drying being carried out to former material glass surface with high pressure draught or high pressure water flow, it is spare；
(2), sawing sheet: by the former material glass-cutting after cleaning, drying at the glass sheet body of multiple required apparent sizes；
(3), it loads cleaning: glass pellet surface being cleaned with high pressure draught or high pressure water flow, then a mold is set, it should
Mold includes moving template and solid plate, the moving template and solid plate can be formed when molding one it is identical with glass slice shape
Glass sheet body is placed on solid plate and is positioned by die cavity；
(4), hot bending shape: mold is put into heating furnace together with glass sheet body, and heating makes the temperature of glass sheet body reach 500-
600 DEG C, keep the temperature 4-7 minutes；Continuing heating makes the hot pressing temperature of glass sheet body to 950-1050 DEG C, applies to moving template
The pressure of 0.1-0.4MPa, driving template is to solid plate to solid plate gradually close to until molding, moving template and solid plate top
Be pressed in glass sheet body upper and lower surfaces make the glass sheet body at high operating temperatures bending deformation formed mold cavity shapes glass
Glass sheet body is kept for pressure and temperature 6-9 minutes；
(5), cleaning is taken out: mold is taken out from heating furnace, room temperature is naturally cooled to, mold is opened, takes out glass sheet body,
Glass pellet surface is cleaned and dried with high pressure draught；
(6), CNC numerically-controlled machine tool finishing impression forms: glass sheet body being put into and is processed into preset shape and size on CNC numerically-controlled machine tool
Glass sheet body, and the shape of glass sheet body, 3D cambered surface, installation through-hole and bevelling are processed, it is cleaned after processing is completed；
(7), tempering: glass sheet body is subjected to chemical tempering processing, its hardness is made to reach 6H or more, glass cover-plate is made；
(8), silk-screen: ink printing is carried out to glass cover-plate obtained, the glass cover-plate after ink is printed is put into IR oven
Ink is reinforced in middle baking；
(9), AF plated film: glass cover-plate being taken out from IR oven, naturally cools to room temperature, is carried out to glass cover plate surfaces clear
Drying is washed, AF coating film treatment is carried out to the glass cover-plate after cleaning, drying；
(10), ultrasonic cleaning.
2. the manufacture craft of 3D glass cover-plate as described in claim 1, which is characterized in that the material of the moving template and solid plate
Material is quartz or ceramics；The roughness of the inner surface of the die cavity is 0.002-0.005 μm.
3. the manufacture craft of 3D glass cover-plate as described in claim 1, which is characterized in that the moving template and solid plate are led
Hot is 100 DEG C -200 DEG C/cm3 per minute.
4. the manufacture craft of 3D glass cover-plate as described in claim 1, which is characterized in that the thickness and heat of the glass sheet body
Press the relational expression of temperature are as follows: when sheet glass body thickness is 1mm, hot pressing temperature is 980 DEG C, the every increase of the thickness of glass sheet body/
0.1mm is reduced, hot pressing temperature increase accordingly/reduce 10 DEG C.
5. the manufacture craft of 3D glass cover-plate as described in claim 1, which is characterized in that be provided with 16- in the heating furnace
22 furnace temperature points.
6. the manufacture craft of 3D glass cover-plate as described in claim 1, which is characterized in that the CNC numerically-controlled machine tool finishing impression at
Type technique first carries out roughing to glass sheet body, and glass sheet body is cut into preset shape and dimension glass sheet body by roughing, slightly
The surplus of processing puts 0.3-0.4mm, then finishes to glass sheet body, and the surplus of finishing is 0.08-0.1mm, then to glass
Glass sheet body is ground and is polished, and required precision is ± 0.02mm after being ground and polishing.
7. the manufacture craft of 3D glass cover-plate as claimed in claim 2, which is characterized in that the CNC numerically-controlled machine tool is to glass
Sheet body shape, 3D cambered surface, installation through-hole and bevelling carry out roughing and finishing, with the sand of 500-1200 granularity when roughing
Knife after each tool changing, is automatically performed laser to knife with the sand knife of 800-1500 granularity when finishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466027.4A CN109574514A (en) | 2018-12-03 | 2018-12-03 | A kind of manufacture craft of 3D glass cover-plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466027.4A CN109574514A (en) | 2018-12-03 | 2018-12-03 | A kind of manufacture craft of 3D glass cover-plate |
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| CN109574514A true CN109574514A (en) | 2019-04-05 |
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ID=65926943
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| CN201811466027.4A Pending CN109574514A (en) | 2018-12-03 | 2018-12-03 | A kind of manufacture craft of 3D glass cover-plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110062081A (en) * | 2019-05-21 | 2019-07-26 | 江西晶阳光电科技有限公司 | A kind of pair is taken the photograph phase port lid glass sheet and its production method |
| CN111056738A (en) * | 2019-12-31 | 2020-04-24 | 常熟耀皮汽车玻璃有限公司 | Cutting process of automobile door glass |
| CN111212165A (en) * | 2020-02-27 | 2020-05-29 | 咸宁南玻光电玻璃有限公司 | Method for manufacturing lithium-aluminum-silicon glass cover plate |
| CN111390738A (en) * | 2020-03-20 | 2020-07-10 | Tcl移动通信科技（宁波）有限公司 | Manufacturing method of terminal equipment rear shell and terminal equipment |
| CN113548793A (en) * | 2021-08-13 | 2021-10-26 | 上海光和光学制造大丰有限公司 | Manufacturing method of vehicle-mounted glass |
| CN116655221A (en) * | 2023-06-15 | 2023-08-29 | 济宁海富光学科技有限公司 | 3D optical cover plate manufacturing method and optical cover plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110062081A (en) * | 2019-05-21 | 2019-07-26 | 江西晶阳光电科技有限公司 | A kind of pair is taken the photograph phase port lid glass sheet and its production method |
| CN111056738A (en) * | 2019-12-31 | 2020-04-24 | 常熟耀皮汽车玻璃有限公司 | Cutting process of automobile door glass |
| CN111212165A (en) * | 2020-02-27 | 2020-05-29 | 咸宁南玻光电玻璃有限公司 | Method for manufacturing lithium-aluminum-silicon glass cover plate |
| CN111390738A (en) * | 2020-03-20 | 2020-07-10 | Tcl移动通信科技（宁波）有限公司 | Manufacturing method of terminal equipment rear shell and terminal equipment |
| CN113548793A (en) * | 2021-08-13 | 2021-10-26 | 上海光和光学制造大丰有限公司 | Manufacturing method of vehicle-mounted glass |
| CN116655221A (en) * | 2023-06-15 | 2023-08-29 | 济宁海富光学科技有限公司 | 3D optical cover plate manufacturing method and optical cover plate |
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Application publication date: 20190405 |