CN112975649A - Glass lens edge grinding process - Google Patents
Glass lens edge grinding process Download PDFInfo
- Publication number
- CN112975649A CN112975649A CN202110190532.6A CN202110190532A CN112975649A CN 112975649 A CN112975649 A CN 112975649A CN 202110190532 A CN202110190532 A CN 202110190532A CN 112975649 A CN112975649 A CN 112975649A
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- CN
- China
- Prior art keywords
- glass lens
- edging
- glass
- protective
- clamping
- 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.)
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
- B24B9/146—Accessories, e.g. lens mounting devices
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
Abstract
The invention discloses a glass lens edging process, and relates to the technical field of glass processing. Firstly, spraying protective paint on a glass lens to form a protective film for preventing clamping damage; and then clamping and edging the glass lens by utilizing an edging machine. Compared with the prior art, the glass lens edging process provided by the invention adopts the step of spraying the protective paint on the glass lens to form the protective film for preventing clamping damage, so that the glass lens can be prevented from being scratched while the edging effect is ensured, the glass lens is prevented from being damaged, and the product reject ratio is reduced.
Description
Technical Field
The invention relates to the technical field of glass processing, in particular to a glass lens edging process.
Background
At present, in the production process of optical glass lenses, edging the edges of the glass lenses is an important link. The edging can grind the edge of the glass lens because of small cracks and microcracks formed by cutting, eliminate the phenomenon of local stress concentration, increase the strength of the glass lens, and ensure that the geometric appearance and dimensional tolerance of the glass lens after edging meet the requirements. However, in the existing edging steps, both sides of the glass lens are directly clamped and edged, and in the process, the surface of the glass lens is easily scratched due to the action of clamping force, so that the glass lens is damaged, and the product reject ratio is high.
In view of the above, it is important to design a glass lens edging process capable of avoiding scratches, especially in the production of glass products.
Disclosure of Invention
The invention aims to provide a glass lens edging process, which can ensure the edging effect, avoid scratching the glass lens, avoid damaging the glass lens and reduce the product reject ratio.
The invention is realized by adopting the following technical scheme.
An edging process for a glass lens, comprising: spraying a protective paint on the glass lens to form a protective film for preventing a clamping injury; and clamping and edging the glass lens by using an edging machine.
Alternatively, the step of spraying a protective paint on the glass lens to form a protective film for preventing a scratch includes: spraying the protective paint on the glass lens by using a spray gun; drying the glass lens in the air; baking the glass lens by using an oven to form a protective film on the glass lens.
Optionally, the step of spraying the protective paint on the glass lens with a spray gun comprises: flatly paving a plurality of glass lenses in the accommodating disc; the protective paint is sprayed on a plurality of glass lenses at the same time.
Optionally, the step of drying the glass lens comprises: the airing time is controlled within a range of 30 minutes to 1 hour, and/or the airing temperature is controlled within a range of 20 ℃ to 25 ℃.
Optionally, the step of baking the glass lens with an oven to form a protective film on the glass lens comprises: the time range of the baking is controlled to be 1 hour to 3 hours, and/or the temperature range of the baking is controlled to be 80 ℃ to 120 ℃.
Optionally, before the step of spraying a protective paint on the glass lens to form a protective film for preventing a scratch, the glass lens edging process further includes: the protective paint is prepared by mixing the protective agent and alcohol.
Optionally, the step of mixing the protective agent and alcohol to prepare the protective paint comprises: controlling the mass ratio of the protective agent to the alcohol to be 1: 2.
optionally, the step of mixing the protective agent and alcohol to prepare the protective paint comprises: the protective agent is made of acrylate, silicone, polyurethane or epoxy resin.
Optionally, the step of clamping and edging the glass lens by using an edging machine comprises: clamping two sides of the glass lens by using two coaxially arranged clamping arms; controlling the two clamping arms to synchronously rotate so as to drive the glass lenses to rotate; and controlling the edge grinding wheel to be close to the edge of the glass lens so as to grind the glass lens.
Optionally, before the step of clamping and edging the glass lens by using the edging machine, the glass lens edging process further comprises: castor oil is adhered to the glass lens.
The glass lens edging process provided by the invention has the following beneficial effects:
the invention provides a glass lens edging process, which comprises the steps of firstly spraying protective paint on a glass lens to form a protective film for preventing clamping damage; and then clamping and edging the glass lens by utilizing an edging machine. Compared with the prior art, the glass lens edging process provided by the invention adopts the step of spraying the protective paint on the glass lens to form the protective film for preventing clamping damage, so that the glass lens can be prevented from being scratched while the edging effect is ensured, the glass lens is prevented from being damaged, and the product reject ratio is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a block diagram illustrating a process for edging a glass lens according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an edging step in a glass lens edging process according to an embodiment of the present invention.
Icon: 100-a gripper arm; 200-edge grinding wheel; 300-glass lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
Referring to fig. 1 and fig. 2, an embodiment of the invention provides an edging process for a glass lens 300, which is used for edging the glass lens 300. The glass lens 300 can be prevented from being scratched while the edging effect is ensured, the glass lens 300 is prevented from being damaged, and the product reject ratio is reduced.
The edging process of the glass lens 300 comprises the following steps:
step S110: the protective paint is prepared by mixing the protective agent and alcohol.
In step S110, the protective agent and the alcohol are mixed in a mass ratio of 1: 2 to form the protective paint. Wherein, the protective agent is used for preventing the glass lens 300 from being scratched, and the alcohol is used for diluting the protective agent, so as to reduce the material cost while ensuring the anti-scratching effect.
In this embodiment, the protective agent is made of an acrylate material, and has excellent mineral oil resistance, high-temperature oxidation resistance, ozone resistance, airtightness, flex resistance, crack growth resistance, ultraviolet discoloration resistance, and the like, and can effectively protect the glass lens 300 from being scratched by external force and prevent the glass lens 300 from various corrosions. However, the present invention is not limited thereto, and in other embodiments, the protective agent may be made of a silicone material, a polyurethane material, or an epoxy resin material, and the material for making the protective agent is not particularly limited.
Step S120: a protective paint is sprayed on the glass lens 300 to form a protective film for preventing a scratch.
Specifically, step S120 includes three steps, which are respectively:
step S121: the protective paint is sprayed on the glass lens 300 by a spray gun.
Specifically, step S121 includes two steps, which are respectively:
step S1211: a plurality of glass lenses 300 are tiled in the receiving tray.
It should be noted that, in step S1211, the glass lenses 300 are flatly laid in the accommodating tray in a rectangular array, and the edges of two adjacent glass lenses 300 are attached to each other, so as to increase the number of the glass lenses 300 in the accommodating tray, so that a greater number of glass lenses 300 can be sprayed at one time, and the spraying efficiency is improved.
Step S1212: the protective paint is sprayed on the plurality of glass lenses 300 at the same time.
It should be noted that, in step S1212, the protective paint is injected into the spray gun, and the protective paint is simultaneously sprayed on the plurality of glass lenses 300 by the spray gun, and in this process, the spray gun moves at a constant speed to ensure that the thickness of the protective paint sprayed on each glass lens 300 is uniform and consistent, so as to avoid the occurrence of the situation that the thicknesses of the protective paints on the plurality of glass lenses 300 are not uniform.
It should be noted that, in the present embodiment, the glass lens 300 is hat-shaped, the edge of the glass lens 300 forms a circle, the middle portion of the glass lens 300 protrudes upwards to form a round cover, and the protective paint is only sprayed on the convex side of the glass lens 300. However, the present invention is not limited thereto, and in other embodiments, the glass lens 300 may have a circular sheet shape, the protective paint may be sequentially sprayed on both sides of the glass lens 300, and the shape of the glass lens 300 and the spraying position of the protective paint are not particularly limited.
Step S122: the glass lens 300 is dried.
It should be noted that, in step S122, the time range of the air drying is controlled to be 30 minutes to 1 hour, and/or the temperature range of the air drying is controlled to be 20 degrees celsius to 25 degrees celsius, and the reasonable air drying time and air drying temperature can ensure the volatilization effect of the alcohol, so as to improve the protection effect of the protective paint.
Step S123: the glass lens 300 is baked using an oven to form a protective film on the glass lens 300.
It should be noted that, in the step S123, the baking time is controlled to be 1 hour to 3 hours, and/or the baking temperature is controlled to be 80 ℃ to 120 ℃, so that the reasonable baking time and baking temperature can improve the drying effect of the protective paint, and ensure that the protective paint is firmly attached to the surface of the glass lens 300, so as to form a layer of dense protective film, which can prevent the glass lens 300 from being scratched, prevent the glass lens 300 from being damaged, and reduce the product defective rate.
Step S130: castor oil adheres to the glass lens 300.
It should be noted that, in step S130, the glass lens 300 is immersed in the castor oil and is rapidly taken out, so that the castor oil adheres to both sides of the glass lens 300, and the castor oil can adhere to both sides of the glass lens 300 to lubricate both sides of the glass lens 300, thereby improving the lubricity of both sides of the glass lens 300, and further improving the scratch-proof effect of the glass lens 300.
Step S140: the glass lens 300 is clamped and edged by an edging machine.
Specifically, step S140 includes three steps, which are respectively:
step S141: both sides of the glass lens 300 are held by two coaxially disposed holding arms 100.
It should be noted that, in step S141, two holding arms 100 are coaxially disposed, wherein the position of the first holding arm 100 is fixed, and the second holding arm 100 can move closer to or away from the first holding arm 100 along the axial direction thereof, so as to clamp and release the glass lens 300. In this embodiment, the recessed side of the glass lens 300 is disposed close to the first holding arm 100, and the shape of the free end of the first holding arm 100 is matched with the recessed shape of the glass lens 300, so as to ensure that the first holding arm 100 can be disposed in close contact with the recessed side of the glass lens 300, prevent the glass lens 300 from displacing relative to the first holding arm 100, and avoid the recessed side of the glass lens 300 from being scratched; the convex side of the glass lens 300 is close to the second holding arm 100, the free end of the second holding arm 100 abuts against the convex side of the glass lens 300, and at this time, the protective film is arranged on the convex side of the glass lens 300, so the second holding arm 100 cannot damage the convex side of the glass lens 300, and the convex side of the glass lens 300 is prevented from being scratched.
Further, since castor oil is adhered to both sides of the glass lens 300, the surface of the glass lens 300 has high lubricity, thereby further preventing the glass lens 300 from being damaged and reducing the product defective rate.
Step S142: the two holding arms 100 are controlled to rotate synchronously to drive the glass lens 300 to rotate.
In step S142, the two holding arms 100 rotate synchronously at a constant speed to drive the glass lenses 300 to rotate at a constant speed. The diameter of the free end of the clamping arm 100 is smaller than that of the glass lens 300, and the edge of the glass lens 300 extends out of the free end of the clamping arm 100, so that the subsequent edging operation is facilitated.
Step S143: the edge grinding wheel 200 is controlled to approach the edge of the glass lens 300 to grind the glass lens 300.
In step S143, the axis of the edging wheel 200 is spaced apart from and parallel to the axis of the glass mirror 300. Controlling the edge grinding wheel 200 to continuously approach the edge of the glass lens 300 while rotating at a constant speed; when the edge grinding wheel 200 moves to a preset position, the edge grinding wheel 200 is in contact with the edge of the glass lens 300, and the edge grinding wheel 200 is controlled to keep different preset positions and continuously rotate to realize edge grinding operation on the glass lens 300; after the preset time, the edge grinding is completed, the edge grinding wheel 200 is controlled to move towards the direction far away from the glass lens 300, and then the second clamping arm 100 is controlled to move towards the direction far away from the first clamping arm 100, so that the glass lens 300 can be taken down.
In this embodiment, in the edging process, utilize the water pump to constantly extract the coolant liquid and pour to between glass lens 300 and the edging wheel 200 to take away the heat that glass lens 300 edging produced, reduce the temperature of glass lens 300, guarantee that the edging operation can stably go on.
According to the edging process of the glass lens 300 provided by the embodiment of the invention, firstly, protective paint is sprayed on the glass lens 300 to form a protective film for preventing clamping damage; then, the glass lens 300 is clamped and edged by an edging machine. Compared with the prior art, the edging process of the glass lens 300 provided by the invention adopts the step of spraying the protective paint on the glass lens 300 to form the protective film for preventing clamping damage, so that the edging effect can be ensured, the glass lens 300 can be prevented from being scratched, the glass lens 300 is prevented from being damaged, and the reject ratio of products is reduced.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The glass lens edging process is characterized by comprising the following steps:
spraying a protective paint on the glass lens to form a protective film for preventing a clamping injury;
and clamping and edging the glass lens by utilizing an edging machine.
2. The glass lens edging process according to claim 1, wherein the step of spraying a protective paint on the glass lens to form a protective film for preventing a pinch comprises:
spraying the protective paint on the glass lens by using a spray gun;
drying the glass lens in the air;
baking the glass lens by using an oven to form the protective film on the glass lens.
3. The glass lens edging process according to claim 2, wherein said step of spraying said protective paint onto said glass lens with a spray gun comprises:
flatly paving a plurality of glass lenses in an accommodating disc;
and simultaneously spraying the protective paint on a plurality of glass lenses.
4. The glass lens edging process according to claim 2, wherein the step of drying the glass lens comprises:
the airing time is controlled within a range of 30 minutes to 1 hour, and/or the airing temperature is controlled within a range of 20 ℃ to 25 ℃.
5. The glass lens edging process according to claim 2, wherein the step of baking the glass lens with an oven to form the protective film on the glass lens comprises:
the time range of the baking is controlled to be 1 hour to 3 hours, and/or the temperature range of the baking is controlled to be 80 ℃ to 120 ℃.
6. The glass lens edging process according to claim 1, wherein before the step of spraying a protective paint on the glass lens to form a protective film for preventing a pinch, the glass lens edging process further comprises:
and mixing the protective agent and alcohol to prepare the protective paint.
7. The process for edging a glass lens according to claim 6, wherein said step of mixing a protective agent and alcohol to prepare said protective paint comprises:
controlling the mass ratio of the protective agent to the alcohol to be 1: 2.
8. the process for edging a glass lens according to claim 6, wherein said step of mixing a protective agent and alcohol to prepare said protective paint comprises:
the protective agent is made of acrylate, silicone, polyurethane or epoxy resin.
9. The glass lens edging process according to claim 1, wherein the step of clamping and edging the glass lens with an edging machine comprises:
clamping two sides of the glass lens by using two coaxially arranged clamping arms;
controlling the two clamping arms to synchronously rotate so as to drive the glass lenses to rotate;
and controlling the edging wheel to be close to the edge of the glass lens so as to edging the glass lens.
10. The glass lens edging process according to claim 1, wherein before the step of clamping and edging the glass lens with the edging machine, the glass lens edging process further comprises:
and adhering castor oil to the glass lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110190532.6A CN112975649A (en) | 2021-02-18 | 2021-02-18 | Glass lens edge grinding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110190532.6A CN112975649A (en) | 2021-02-18 | 2021-02-18 | Glass lens edge grinding process |
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| Publication Number | Publication Date |
|---|---|
| CN112975649A true CN112975649A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110190532.6A Pending CN112975649A (en) | 2021-02-18 | 2021-02-18 | Glass lens edge grinding process |
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| CN (1) | CN112975649A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102351409A (en) * | 2011-07-15 | 2012-02-15 | 佛山市三求电子材料有限公司 | Processing technology of glass protection |
| JP2012076945A (en) * | 2010-09-30 | 2012-04-19 | Avanstrate Inc | Method for manufacturing sheet glass, and glass sheet |
| WO2013088755A1 (en) * | 2011-12-16 | 2013-06-20 | 株式会社ミクロ技術研究所 | High-strength glass, touch panel, and method for manufacturing high-strength glass |
| CN108298831A (en) * | 2018-01-17 | 2018-07-20 | 江西联创电子有限公司 | Bend glass processing method |
| CN108504047A (en) * | 2018-05-07 | 2018-09-07 | 合肥协耀玻璃制品有限公司 | A kind of preparation method of the resistance to greasy dirt resistant to dust protective film in vehicle glass surface |
| CN109015118A (en) * | 2018-08-13 | 2018-12-18 | 潘景玮 | Edging device and glass edging method suitable for various shape glass |
| CN109968108A (en) * | 2019-03-28 | 2019-07-05 | 三明福特科光电有限公司 | A kind of meniscus lens of Z value less than 0. 1 determines core edging processing technology |
| CN110850512A (en) * | 2019-11-16 | 2020-02-28 | 南京旺晶光学有限公司 | Manufacturing process of ultramicro optical lens |
-
2021
- 2021-02-18 CN CN202110190532.6A patent/CN112975649A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012076945A (en) * | 2010-09-30 | 2012-04-19 | Avanstrate Inc | Method for manufacturing sheet glass, and glass sheet |
| CN102351409A (en) * | 2011-07-15 | 2012-02-15 | 佛山市三求电子材料有限公司 | Processing technology of glass protection |
| WO2013088755A1 (en) * | 2011-12-16 | 2013-06-20 | 株式会社ミクロ技術研究所 | High-strength glass, touch panel, and method for manufacturing high-strength glass |
| CN108298831A (en) * | 2018-01-17 | 2018-07-20 | 江西联创电子有限公司 | Bend glass processing method |
| CN108504047A (en) * | 2018-05-07 | 2018-09-07 | 合肥协耀玻璃制品有限公司 | A kind of preparation method of the resistance to greasy dirt resistant to dust protective film in vehicle glass surface |
| CN109015118A (en) * | 2018-08-13 | 2018-12-18 | 潘景玮 | Edging device and glass edging method suitable for various shape glass |
| CN109968108A (en) * | 2019-03-28 | 2019-07-05 | 三明福特科光电有限公司 | A kind of meniscus lens of Z value less than 0. 1 determines core edging processing technology |
| CN110850512A (en) * | 2019-11-16 | 2020-02-28 | 南京旺晶光学有限公司 | Manufacturing process of ultramicro optical lens |
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Application publication date: 20210618 |