CN107803745A - A kind of Gas fluid pressure aids in 3D copy grinding machines - Google Patents

A kind of Gas fluid pressure aids in 3D copy grinding machines Download PDF

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Publication number
CN107803745A
CN107803745A CN201711099056.7A CN201711099056A CN107803745A CN 107803745 A CN107803745 A CN 107803745A CN 201711099056 A CN201711099056 A CN 201711099056A CN 107803745 A CN107803745 A CN 107803745A
Authority
CN
China
Prior art keywords
fluid pressure
medium
gas fluid
profile mould
abrasive cloth
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
Application number
CN201711099056.7A
Other languages
Chinese (zh)
Inventor
杨智军
徐国根
陈贻宏
王俊涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Hanjiang Automation Science & Technology Co Ltd
Original Assignee
Shenzhen Hanjiang Automation Science & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Hanjiang Automation Science & Technology Co Ltd filed Critical Shenzhen Hanjiang Automation Science & Technology Co Ltd
Priority to CN201711099056.7A priority Critical patent/CN107803745A/en
Publication of CN107803745A publication Critical patent/CN107803745A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/11Lapping tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/27Work carriers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/34Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B57/00Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
    • B24B57/02Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents

Abstract

The invention belongs to mobile phone manufacturing field, a kind of more particularly to Gas fluid pressure auxiliary 3D copy grinding machines, including the top rotary table set from top to bottom successively, upper profile mould, abrasive cloth, lower profile mould and lower rotary table, the top rotary table rotates with lower rotary table around the first Pivot axle, the bottom surface of the upper profile mould is provided with 3D glass fixed bits, 3D glass is fixed with the 3D glass fixed bit, also include Gas fluid pressure auxiliary body, the Gas fluid pressure auxiliary body includes Gas fluid pressure feeding mechanism and medium holes, the medium holes pass through lower profile mould, the Gas fluid pressure feeding mechanism between the downward profile mould of medium holes and abrasive cloth by injecting gas-liquid, so that the application of a surface of the abrasive cloth and the 3D glass.The present invention makes abrasive cloth be bonded completely with the curved surface of 3D glass, and grinding effect is more preferable;Reduce the shake of process of lapping and unstable;And because the coefficient of friction of Gas fluid pressure is small, the frictional resistance of abrasive cloth and lower profile mould is reduced, adds the life-span of abrasive cloth.

Description

A kind of Gas fluid pressure aids in 3D copy grinding machines
Technical field
The invention belongs to mobile phone manufacturing field, applied to consumption electronic products(Such as mobile phone, intelligent watch)3D glass screens Curtain polishing grinding;3D copy grinding machines are aided in more particularly to a kind of Gas fluid pressure.
Background technology
Current 3D glass screens grinding technique is mainly using contour grinding mode, even if one piece of abrasive cloth is in 3D glass Glass curved surface(3D glass is fixed on top rotary table)With profile mould(Profile mould is fixed on lower rotary table)Under effect, elastic deformation is formed and 3D The corresponding curved surface of glass curve, the 3D using lapping liquid by the relative compound motion between abrasive cloth and 3D glass 3D glass Arc chord angle surface grinding is bright and clean.
Profile mould attrition process, following defect be present:
1. product and profile mould are all rigid material, 3D curved surfaces are adapted to by the elastic deformation of abrasive cloth, therefore cloth requires thickness Size is big, and the place of some small round corners can not effectively be ground;
2. inconsistent because surface curvature between different product be present, profile mould is same hard material, product stress when causing to grind Uneven, grinding effect is uneven;
3. profile mould and abrasive cloth/film back side are hard contact, frictional force is larger.
The present invention attempts to provide a kind of new contour grinding mode, solves above-mentioned one or more defects.
The content of the invention
It is an object of the invention to provide a kind of Gas fluid pressure to aid in 3D copy grinding machines, by abrasive cloth and 3D glass it Between add liquid or gas, solve the one or more defects mentioned in background technology.
What the present invention was realized in:
A kind of Gas fluid pressure aids in 3D copy grinding machines, including set from top to bottom successively top rotary table, upper profile mould, abrasive cloth, Lower profile mould and lower rotary table, the top rotary table rotate with lower rotary table around the first Pivot axle, the bottom of the upper profile mould Face is provided with 3D glass fixed bits, and 3D glass is fixed with the 3D glass fixed bit, and the grinding is laid in 3D glass and imitated with lower Between shape mould, in addition to Gas fluid pressure auxiliary body, the Gas fluid pressure auxiliary body include Gas fluid pressure feeding mechanism and medium holes, institute State medium holes and pass through lower profile mould, the Gas fluid pressure feeding mechanism between the downward profile mould of medium holes and abrasive cloth by injecting gas Liquid, so that the application of a surface of the abrasive cloth and the 3D glass.
Using above-mentioned technical proposal, its advantage is:(1)Abrasive cloth is pressed in being ground for 3D glass from the back side with Gas fluid pressure On curved surface, abrasive cloth preferably can adapt to be ground the true form and size of curved surface, eliminate of the prior art lower imitative Amount of grinding is uneven caused by shape mould and the form error being ground between curved surface or profiling handle the place being not easy in place.
(2)Abrasive cloth with 3D glass in the presence of Gas fluid pressure, uniformly pressed by the curved surface that is ground of whole 3D glass Power, the shake of process of lapping and unstable is reduced, allow to be ground curved surface and be equably ground.
(3)Frictional force between Gas fluid pressure and the abrasive cloth back side is much smaller than the friction between lower profile mould and the abrasive cloth back side Power.Can reduce the frictional resistance of abrasive cloth and lower profile mould in this way, increase the life-span of abrasive cloth.
As a further improvement on the present invention, the medium holes include the medium input hole being located on the lower rotary table and set Medium delivery outlet on the lower profile mould, the Gas fluid pressure feeding mechanism, medium input hole and medium delivery outlet connect successively It is logical.Using this technical scheme, by opening up aperture in lower rotary table and lower profile mould, facilitate the input and output of Gas fluid pressure.
As a further improvement on the present invention, the medium input hole is located in the central shaft of the lower rotary table.Under The central shaft injection gas-liquid of rotating disk, makes input process gas-liquid not produce fluctuation because of the rotary motion of lower rotary table, protects as far as possible It is steady to hold pressure.
As a further improvement on the present invention, the medium delivery outlet is multiple that the medium delivery outlet is evenly distributed on On the edge of the lower profile mould.To avoid, due to out-of-flatness at the EDGE CONTACT of abrasive cloth and lower profile mould, causing at this Effective elastic deformation can not occur for abrasive cloth, therefore use above-mentioned technical proposal, i.e., on the edge of lower profile mould, set more Individual medium delivery outlet, make abrasive cloth at this and the true form that is ground at curved edges complete by the uniform output of Gas fluid pressure Full fitting.
As a further improvement on the present invention, the bottom surface of the lower profile mould is provided with medium reserve chamber, the medium input Hole, medium reserve chamber and medium delivery outlet are sequentially communicated.Using this technical scheme, the gas-liquid come in from medium input hole, first It is stored in medium reserve chamber, then flows to medium delivery outlet, makes the input of Gas fluid pressure, output procedure more steady.
As a further improvement on the present invention, the inside of the lower profile mould is provided with medium output seam, the medium deposit Chamber connects with medium output seam, and the edge that the medium output is sewn on the lower profile mould is provided with opening.Using this technical side Case, further increase the Gas fluid pressure output quantity of lower profile mould edge.
As a further improvement on the present invention, the opening of the medium delivery outlet and the opening of medium output seam are tilted towards On.Using this technical scheme, abrasive cloth is set preferably to be bonded with being ground the true form of curved surface.
As a further improvement on the present invention, the upper profile mould is identical with the quantity of lower profile mould and is multiple.Adopt It is higher with this technical scheme, grinding efficiency.
As a further improvement on the present invention, each upper profile mould is provided with vacuum absorption holes, the vacuum absorption holes with 3D glass fixed bit connects.Using this technical scheme, 3D glass can be made to be fixed on 3D glass by way of vacuum suction and consolidated In positioning.
As a further improvement on the present invention, the abrasive cloth rotates along the second Pivot axle, in first rotation Mandrel and the second Pivot axle are misaligned.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention makes abrasive cloth by the booster action of Gas fluid pressure It is bonded completely with the curved surface of 3D glass, grinding effect is more preferable;Reduce the shake of process of lapping and unstable;And due to gas-liquid The coefficient of friction of pressure is small, reduces the frictional resistance of abrasive cloth and lower profile mould, adds the life-span of abrasive cloth.
Brief description of the drawings
Fig. 1 is a kind of structural representation explosive view of Gas fluid pressure auxiliary 3D copy grinding machines provided by the invention(Not gassiness Hydraulic pressure feeding mechanism).
Fig. 2 is a kind of structural representation constitutional diagram of Gas fluid pressure auxiliary 3D copy grinding machines provided by the invention(Not gassiness Hydraulic pressure feeding mechanism).
Fig. 3 is Fig. 2 A-A sectional views.
Fig. 4 is the top view of a kind of lower profile mould and lower rotary table provided by the invention.
Fig. 5 is Fig. 4 B-B sectional views.
Fig. 6 is a kind of concrete structure schematic diagram of lower profile mould provided by the invention.
Fig. 7 is Fig. 6 C-C sectional views.
Fig. 8 is the partial structurtes enlarged drawing of Fig. 7 round frames part.
Brief description of the drawings:1- top rotary tables, the upper profile moulds of 2-, 3- abrasive cloths, profile mould under 4-, 5- lower rotary tables, 6-3D glass, 7- Medium input hole, 8- medium delivery outlets, 9- medium reserve chambers, 10- media output seam.
Embodiment
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below in conjunction with the accompanying drawings and specifically The present invention is further described for embodiment.
Embodiment 1
As shown in Figure 1-Figure 3 a kind of Gas fluid pressure auxiliary 3D copy grinding machines, including set from top to bottom successively top rotary table 1, Upper profile mould 2, abrasive cloth 3, lower profile mould 4 and lower rotary table 5, the top rotary table 1 surround the first Pivot axle with lower rotary table 5 Rotation, the bottom surface of the upper profile mould 2 is provided with 3D glass fixed bits, 3D glass 6 is fixed with the 3D glass fixed bit, described Abrasive cloth 3 is located between 3D glass 6 and lower profile mould 4, in addition to Gas fluid pressure auxiliary body, and the Gas fluid pressure auxiliary body includes Gas fluid pressure feeding mechanism(Not shown in figure)And medium holes, the medium holes pass through lower profile mould 4, the Gas fluid pressure feeding mechanism By injecting gas-liquid between the downward profile mould 4 of medium holes and abrasive cloth 3, so that the song of the abrasive cloth 3 and the 3D glass 6 Face is bonded.
Specifically, the top rotary table 1 and lower rotary table 5 are clockwise or counterclockwise.
The operation principle of this Gas fluid pressure auxiliary 3D copy grinding machines is:In use, 3D glass 6 is first placed on 3D glass In fixed bit, make the curved surface that the needs of 3D glass 6 are ground towards abrasive cloth;Then, lapping liquid is added dropwise on abrasive cloth 3(In figure not Show), top rotary table 1, lower rotary table 5 rotate around the first Pivot axle, drive 3D glass 6 to rotate, be bonded by deforming simultaneously Abrasive cloth 3 curved surface of 3D glass 6 is uniformly ground.
Wherein, the abrasive cloth 3 for deforming fitting refers to, on the one hand, effect of the abrasive cloth 3 in 3D glass 6 and lower profile mould 4 Lower elastic deformation, the curve form corresponding with the curved surface of 3D glass 6 is formed, on the other hand, the back side of abrasive cloth 3 is in Gas fluid pressure Pressurization under application of a surface completely with the 3D glass 6.
Using above-mentioned technical proposal, its advantage is:(1)Abrasive cloth 3 is pressed in being ground for 3D glass 6 from the back side with Gas fluid pressure Grind curved surface on, abrasive cloth 3 preferably can adapt to be ground the true form and size of curved surface, eliminate it is of the prior art under Amount of grinding is uneven caused by profile mould 4 and the form error being ground between curved surface.
(2)Abrasive cloth 3 in the presence of Gas fluid pressure, is entirely ground curved surface by uniform pressure, reduced with 3D glass 6 The shake of process of lapping and unstable, allows the curved surface of 3D glass 6 to be equably ground.
(3)Frictional force between Gas fluid pressure and the back side of abrasive cloth 3 is much smaller than between lower profile mould 4 and the back side of abrasive cloth 3 Frictional force.Can reduce the frictional resistance of abrasive cloth 3 and lower profile mould 4 in this way, increase the life-span of abrasive cloth 3.
In above-described embodiment, Gas fluid pressure can select the gas/liquid of high pressure, and liquid can be oil or water.
Embodiment 2
On the basis of embodiment 1, medium holes are further optimized.
As shown in Figure 1, Figure 4, Figure 5, the medium holes include the medium input hole 7 being located on the lower rotary table 5 and are located at Medium delivery outlet 8 on the lower profile mould 4, the Gas fluid pressure feeding mechanism(Not shown in figure), medium input hole 7 and medium Delivery outlet 8 is sequentially communicated.Using this technical scheme, by opening up aperture in lower rotary table 5 and lower profile mould 4, facilitate Gas fluid pressure Input and output.
Further, as shown in figure 1, the medium input hole is located in the central shaft of the lower rotary table.Pass through lower rotary table Central shaft injection gas-liquid, input process gas-liquid is not produced fluctuation because of the rotary motion of lower rotary table, as far as possible keep press Power is steady.
Further, as Figure 4-8, the medium delivery outlet 8 is multiple that the medium delivery outlet 8 is evenly distributed on On the edge of the lower profile mould 4.
To avoid, due to out-of-flatness at the EDGE CONTACT of abrasive cloth 3 and lower profile mould 4, causing the abrasive cloth 3 at this can not The effective elastic deformation of generation, therefore use above-mentioned technical proposal, i.e., on the edge of lower profile mould 4, set multiple media defeated Portal 8, the actual shape being ground at curved edges of the abrasive cloth 3 and 3D glass 6 at this is made by the uniform output of Gas fluid pressure Shape is bonded completely.
Further, as shown in fig. 7, the bottom surface of the lower profile mould 4 is provided with medium reserve chamber 9, the medium input hole 7th, medium reserve chamber 9 and medium delivery outlet 8 are sequentially communicated.Using this technical scheme, the gas-liquid come in from medium input hole 7, First it is stored in medium reserve chamber 9, then flows to medium delivery outlet 8, makes the input of Gas fluid pressure, output procedure more steady.
Further, as shown in Figure 7, Figure 8, the inside of the lower profile mould 4 is provided with medium output seam 10, the medium storage Standby chamber 9 connects with medium output seam 10, and the medium output seam 10 is provided with opening in the edge of the lower profile mould 4.Using This technical scheme, further increase the Gas fluid pressure output quantity of the lower edge of profile mould 4.
Further, as shown in figure 8, the opening of the medium delivery outlet 8 and the opening of medium output seam 10 are tilted towards On.Using this technical scheme, abrasive cloth 3 is set preferably to be bonded with the true form for being ground curved surface of 3D glass 6.
Embodiment 3
On the basis of embodiment 1, the present invention is further improved.
Further, the upper profile mould is identical with the quantity of lower profile mould and is multiple.Using this technical scheme, grinding It is more efficient.
The quantity of the upper profile mould and lower profile mould is preferably two or three, can be right centered on the first rotary shaft Claim distribution, can not also be symmetrical centered on the first rotary shaft.
As Figure 1-5, it is one of preferred scheme:The upper profile mould 2 and lower profile mould 4 are two, Described two upper profile moulds 2 are symmetrical arranged along the first Pivot axle, and described two lower profile moulds 4 are along the first Pivot axle pair Claim to set.Using this technical scheme, grinding efficiency is higher, and upper profile mould and lower profile mould operate steadily when grinding.
Further, each upper profile mould 2 is provided with vacuum absorption holes, and the vacuum absorption holes connect with 3D glass fixed bit It is logical.Using this technical scheme, 3D glass can be made to be fixed in 3D glass fixed bits by way of vacuum suction.
Further, as shown in Figure 1 and Figure 2, the abrasive cloth rotates along the second Pivot axle, first rotation Central shaft and the second Pivot axle are misaligned, and the direction of the rotation of the abrasive cloth 3 and the top rotary table 1(Or lower rotary table 5)What is rotated is in opposite direction.Multiple top rotary tables and lower rotary table can be set in the periphery of abrasive cloth, while multiple 3D glass are entered Row grinding operation, improve grinding efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (10)

1. a kind of Gas fluid pressure aids in 3D copy grinding machines, including the top rotary table set from top to bottom successively(1), upper profile mould(2)、 Abrasive cloth(3), lower profile mould(4)And lower rotary table(5), the top rotary table(1)With lower rotary table(5)Surround the first Pivot axle Rotation, the upper profile mould(2)Bottom surface be provided with 3D glass fixed bits, be fixed with 3D glass in the 3D glass fixed bit(6), The abrasive cloth(3)It is located at 3D glass(6)With lower profile mould(4)Between, it is characterised in that also including Gas fluid pressure auxiliary body, The Gas fluid pressure auxiliary body includes Gas fluid pressure feeding mechanism and medium holes, and the medium holes pass through lower profile mould(4), the gas Hydraulic pressure feeding mechanism passes through the downward profile mould of medium holes(4)With abrasive cloth(3)Between inject gas-liquid so that the abrasive cloth (3)With the 3D glass(6)Application of a surface.
2. Gas fluid pressure according to claim 1 aids in 3D copy grinding machines, it is characterised in that the medium holes include being located at The lower rotary table(5)On medium input hole(7)Be located at the lower profile mould(4)On medium delivery outlet(8), the gas-liquid Press feeding mechanism, medium input hole(7)With medium delivery outlet(8)It is sequentially communicated.
3. Gas fluid pressure according to claim 2 aids in 3D copy grinding machines, it is characterised in that the medium input hole(7) It is located at the lower rotary table(5)Central shaft in.
4. Gas fluid pressure according to claim 2 aids in 3D copy grinding machines, it is characterised in that the medium delivery outlet(8) To be multiple, the medium delivery outlet(8)It is evenly distributed on the lower profile mould(4)Edge on.
5. Gas fluid pressure according to claim 4 aids in 3D copy grinding machines, it is characterised in that the lower profile mould(4)'s Bottom surface is provided with medium reserve chamber(9), the medium input hole(7), medium reserve chamber(9)With medium delivery outlet(8)It is sequentially communicated.
6. Gas fluid pressure according to claim 5 aids in 3D copy grinding machines, it is characterised in that the lower profile mould(4)'s Inside is provided with medium output seam(10), the medium reserve chamber(9)Export and stitch with medium(10)Connection, the medium output seam (10)In the lower profile mould(4)Edge be provided with opening.
7. Gas fluid pressure according to claim 6 aids in 3D copy grinding machines, it is characterised in that the medium delivery outlet(8) Opening and medium output seam(10)Opening tilt upward.
8. Gas fluid pressure according to claim 1 aids in 3D copy grinding machines, it is characterised in that the upper profile mould(2)With Lower profile mould(4)Quantity it is identical and be multiple.
9. Gas fluid pressure according to claim 8 aids in 3D copy grinding machines, it is characterised in that each upper profile mould(2) Provided with vacuum absorption holes, the vacuum absorption holes connect with 3D glass fixed bits.
10. Gas fluid pressure according to claim 1 aids in 3D copy grinding machines, it is characterised in that the abrasive cloth(3)Along Two Pivot axles rotate, and first Pivot axle and the second Pivot axle are misaligned.
CN201711099056.7A 2017-11-09 2017-11-09 A kind of Gas fluid pressure aids in 3D copy grinding machines Pending CN107803745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711099056.7A CN107803745A (en) 2017-11-09 2017-11-09 A kind of Gas fluid pressure aids in 3D copy grinding machines

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Application Number Priority Date Filing Date Title
CN201711099056.7A CN107803745A (en) 2017-11-09 2017-11-09 A kind of Gas fluid pressure aids in 3D copy grinding machines

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112157544A (en) * 2020-09-29 2021-01-01 维沃移动通信(重庆)有限公司 Glass manufacturing method, glass and electronic equipment

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Publication number Priority date Publication date Assignee Title
US4980993A (en) * 1988-09-16 1991-01-01 Seiko Epson Corporation Method and apparatus for manufacturing contact lens
JPH08206949A (en) * 1995-02-01 1996-08-13 Seiko Epson Corp Lens manufacturing device and manufacturing method
JP2000061814A (en) * 1998-08-18 2000-02-29 Sony Corp Polishing device
JP2001047356A (en) * 1999-08-10 2001-02-20 Nec Kyushu Ltd Grinding device
CN102019580A (en) * 2009-09-17 2011-04-20 旭硝子株式会社 Apparatus and method for locally polishing glass plate, and apparatus and method for producing glass product
WO2012086129A1 (en) * 2010-12-22 2012-06-28 信越半導体株式会社 Polishing method, polishing apparatus, and polishing cloth
CN107253131A (en) * 2017-07-31 2017-10-17 深圳市汉匠自动化科技有限公司 A kind of 3D screens grinder
CN207534610U (en) * 2017-11-09 2018-06-26 深圳市汉匠自动化科技有限公司 A kind of Gas fluid pressure assists 3D copy grinding machines

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980993A (en) * 1988-09-16 1991-01-01 Seiko Epson Corporation Method and apparatus for manufacturing contact lens
JPH08206949A (en) * 1995-02-01 1996-08-13 Seiko Epson Corp Lens manufacturing device and manufacturing method
JP2000061814A (en) * 1998-08-18 2000-02-29 Sony Corp Polishing device
JP2001047356A (en) * 1999-08-10 2001-02-20 Nec Kyushu Ltd Grinding device
CN102019580A (en) * 2009-09-17 2011-04-20 旭硝子株式会社 Apparatus and method for locally polishing glass plate, and apparatus and method for producing glass product
WO2012086129A1 (en) * 2010-12-22 2012-06-28 信越半導体株式会社 Polishing method, polishing apparatus, and polishing cloth
CN107253131A (en) * 2017-07-31 2017-10-17 深圳市汉匠自动化科技有限公司 A kind of 3D screens grinder
CN207534610U (en) * 2017-11-09 2018-06-26 深圳市汉匠自动化科技有限公司 A kind of Gas fluid pressure assists 3D copy grinding machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112157544A (en) * 2020-09-29 2021-01-01 维沃移动通信(重庆)有限公司 Glass manufacturing method, glass and electronic equipment

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