CN107234493B - A kind of processing method of handset viewing window perspex panels bloom chamfering - Google Patents
A kind of processing method of handset viewing window perspex panels bloom chamfering Download PDFInfo
- Publication number
- CN107234493B CN107234493B CN201710514184.7A CN201710514184A CN107234493B CN 107234493 B CN107234493 B CN 107234493B CN 201710514184 A CN201710514184 A CN 201710514184A CN 107234493 B CN107234493 B CN 107234493B
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- Prior art keywords
- chamfering
- cutting
- viewing window
- crystal diamond
- bloom
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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
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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
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
-
- 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
- B24B9/005—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for mass articles
-
- 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
- B24B9/20—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 plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/346—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties utilised during polishing, or grinding operation
Abstract
The present invention relates to a kind of processing methods of handset viewing window perspex panels bloom chamfering, belong to glass chamfer machining technical field.In order to need to polish after solving the problems, such as existing chamfering, a kind of processing method of handset viewing window perspex panels bloom chamfering is provided, this method includes taking several monolithic organic glasses to carry out stacking to form a rectangular block shape glass, which is fixed processing；Chamfering cutting is carried out to above-mentioned rectangular block shape glass by using the cutter in CNC machining tool with single-crystal diamond blade, the single-crystal diamond blade is formed using partial size≤4mm single-crystal diamond Raw material processing, after cutting, every monolithic organic glass is set to all have corresponding chamfering, the handset viewing window perspex panels after obtaining processing chamfering.Polishing is needed not move through after chamfering of the present invention, is simplified operational sequence, and the effect that the chamfering formed is good with bloom and bright border effect, is made that there is preferable surface roughness and glossiness effect.
Description
Technical field
The present invention relates to a kind of processing methods of handset viewing window perspex panels bloom chamfering, belong to glass chamfer machining
Technical field.
Background technique
In recent years, with the development of electronic product, the pursuit of the cosmetic requirements of product is also continuously improved in people.Especially
It is the surface of the display screen panel of the electronic products such as mobile phone, tablet computer is handled, and at present for show panel
The processing of plate chamfering generallys use after the PCD cutter cutting chamfering in CNC processing using the processing such as polish, clear off and polish
Improve product surface light height, technical process is excessively complicated, do not utilize production operation, as Chinese patent (publication number:
CN102350661A corner processing method disclosed in), if taking dry plate monolithic glass to be laminated, between every adjacent two panels monolithic glass
It is provided with wall, which has the function of being bonded its two sides glass, forms a rectangular block shape glass of stacking；In rectangle
Protective layer is arranged in the upper and lower surfaces of both bulk glasses；Curing process is carried out for the wall in above-mentioned both bulk glasses；Root
According to monolithic glass and the thickness of wall, setting one can carry out simultaneously for every monolithic glass in the rectangular block shape glass of stacking
The special CNC cutter of corner processing；Using special CNC cutter by CNC processing technology to the rectangular block shape glass of above-mentioned stacking
In every monolithic glass carry out corner grinding.Its mainly reached by having changed the structure of cutter cutting corner (or fall
Angle) effect, but after dicing, it is still necessary to highlighted to achieve the effect that by polishing and grinding process.
Summary of the invention
The present invention is directed to the above defect existing in the prior art, provides a kind of handset viewing window perspex panels bloom and falls
The processing method at angle solves the problems, such as it is how to realize without polishing and only pass through the property cut and can reach bloom later
Energy.
The purpose of the present invention is what is be achieved by the following technical programs, a kind of handset viewing window perspex panels bloom
The processing method of chamfering, which is characterized in that method includes the following steps:
A, it takes several monolithic organic glasses to carry out stacking and forms a rectangular block shape glass, which is consolidated
Fixed processing；
B, above-mentioned rectangular block shape glass is carried out by using the cutter in CNC machining tool with single-crystal diamond blade
Chamfering cutting, the single-crystal diamond blade are formed using partial size≤4mm single-crystal diamond Raw material processing, after cutting,
Every monolithic organic glass is set to all have corresponding chamfering, the handset viewing window perspex panels after obtaining processing chamfering.
It is cut by using single-crystal diamond blade, meanwhile, test by long-term research of the invention, discovery makes
The blade is formed using partial size≤4mm single-crystal diamond Raw material processing, and being equivalent to can be such that the surface for the blade to be formed has
Higher compactness so that making the surface of blade has very high smoothness, and has very by using monocrystalline diamond cutter
High hardness and wearability, the performance that cutter of formation itself has sharpness high；Meanwhile it is found in the course of the research in addition to right
The partial size of raw material has outside specific require, it was found that partial size raw material when using the diamond of monocrystal material in conjunction with selection is formed
Blade there is very high surface-brightening and planarization after the chamfering for cutting corresponding organic glass, be not necessarily to realize
By subsequent polishing treatment, it will be able to realize the effect of chamfering bloom, mainly there is crystal perfection using single-crystal diamond
Property, it is flawless, plane of crystal flatness is high, plays preferable synergism.
In the processing method of above-mentioned handset viewing window perspex panels bloom chamfering, preferably, the single crystal diamond
The partial size of stone raw material is 1mm~2mm.The planarization and compactness of blade face in order to better improve makes when cutting chamfering,
There is preferable high optical property at chamfering, achieve the effect that chamfering bright border.
In the processing method of above-mentioned handset viewing window perspex panels bloom chamfering, preferably, single described in step B
Cutting edge circularity≤0.05 μm of diamond blade.By making cutting edge circularity within 0.05 μm, the cutting edge of a knife or a sword of blade can either be improved
Benefit, and the thickness at cutting edge can be made relatively thin, it can be improved the smooth of cutting when cutting organic glass chamfering, thus
Making the chamfering of cutting has the effect of bright border and bloom.As a further preference, the cutting edge of the single-crystal diamond blade is blunt
1 μm~20nm of radius of circle.Also for make blade itself have it is relatively thin have thickness, be conducive to improve cutting smoothness.
In the processing method of above-mentioned handset viewing window perspex panels bloom chamfering, preferably, the single crystal diamond
The two sides of stone blade are deposited with graphite-phase titanium nitride layer.The roughness on surface can be reduced, further raising surface
Slickness, and since it is had no guts on the two sides for having blade, it will not influence the sharpness at blade cutting edge, can guarantee
Cutting performance；And better sliding can be played between graphite-phase titanium nitride and organic glass by depositing in two sides of blade
Property, make to be less prone to bonding phenomenon in cutting process, to improve the stability of cutting, guarantees the bright border and bloom of chamfering cutting
Effect.As a further preference, the nanoscale graphite phase titanium nitride layer with a thickness of 2nm~5nm.
In the processing method of above-mentioned handset viewing window perspex panels bloom chamfering, preferably, the monolithic is organic
Glass is process using acrylic or PMMA material.Using the organic glasses of these materials, not only translucency itself is good, and
When being cut using single-crystal diamond blade, cutting efficiency is higher, and the bright border for the chamfering cut and high optical property are also more preferable.
In conclusion compared with prior art, the present invention having the advantage that
1. by using single-crystal diamond blade cutter and make using partial size≤4mm single-crystal diamond Raw material processing and
At, it realizes and needs not move through polishing process after cutting chamfering, simplified operational sequence, and the chamfering formed has bloom and bright border
The good effect of effect makes have preferable surface roughness and glossiness effect, overall surface roughness reach 0.05 μm with
Interior, gloss value reaches 150 or more.
2. can be improved relatively sliding between blade and organic glass by depositing graphite-phase titanium nitride in blade both side surface
Dynamic property makes blade and is less prone to bonding phenomenon between the organic glass cut surface that is cut, so that the stability of cutting is improved,
Guarantee the bright border and bloom effect of chamfering cutting.
Specific embodiment
Below by specific embodiment, the technical solutions of the present invention will be further described, but the present invention is simultaneously
It is not limited to these embodiments.
Embodiment one
The present embodiment mainly processes the cutting method of the circular arc chamfering of acrylic glass panel, and concrete operation method is such as
Under:
According to the size of mobile phone products display screen panel, the acrylic glass for choosing 0.8mm thickness carries out thick step processing display
Panel plate forms the monolithic acrylic glass of rectangle, and certainly, the monolithic acrylic glass of rectangle here can also directly pass through
Market is commercially available.Then, it takes above-mentioned several monolithic acrylic glass to carry out stacking and forms a rectangular block shape glass, it is general to choose
8 monolithic acrylic glass are laminated, then are consolidated after being clamped on the rectangular block shape glass one common jig of placement
Fixed processing；Preferably make between adjacent two monolithics acrylic glass there is paraffin layer to be bonded, improves every monolithic acrylic
Relative immobility between glass is integrally put into the paraffin liquid of fusing after such as processing being fixed in above-mentioned use jig
After interior submergence 1 minute, the paraffin layer for being formed by curing paraffin is taken out.After above-mentioned fixing process, its entirety is placed into
It is processed on the corresponding position of CNC machining tool.Specifically, by using in CNC machining tool have single-crystal diamond
The cutter of blade carries out chamfering cutting to above-mentioned rectangular block shape glass, and the single-crystal diamond blade uses partial size for the list of 3mm
Diamond Raw material processing forms, and is directly cut into the chamfering of arc-shaped in cutting process according to the shape of chamfering, after cutting,
So that every monolithic organic glass is all had corresponding chamfering, needs not move through polishing and grinding process, the hand after obtaining processing chamfering
Machine form acrylic glass panel.
Further, make cutting edge circularity≤0.05 μm of single-crystal diamond blade, preferably 0.02 μm~0.04 μm, most
Good is 0.03 μm.It can be improved the cutting edge sharpness of blade, improve cutting efficiency, make to be further ensured that chamfering has bloom and bright
The effect on side, preferably while make the 1 μm~20nm of cutting edge blunt round radius of single-crystal diamond blade, between preferably 1 μm~8 μm,
Most preferably 5 μm.By the synergistic effect of the two, the cutting that can be played at the flatness and acrylic glass chamfering of cutting is smooth
Property, so that chamfering be made to have the effect of bloom and bright border.Make the surface roughness at acrylic glass chamfering up to Ra 0.05
Within μm, surface gloss value is 150 or more.Preferably make 0.03 μm of cutting edge circularity of blade, while making single-crystal diamond blade
Cutting edge blunt round radius 8nm, and make cutting speed 10m/s~12m/s, most preferably 11m/s, by making cutting edge circularity, cutting edge
Blunt round radius and cutting speed act synergistically jointly, can reach better chamfering glossiness and surface roughness performance.Make table
Surface roughness is up to Ra within 0.03 μm, and surface gloss value is 170 or more.
Certainly, above circular arc chamfering is also possible to be cut into the chamfering of straight flange type, can also use PMMA organic glass
Instead of acrylic glass.Equally, it can make have the effect of bloom and bright border at chamfering.
Embodiment two
The basic skills of the present embodiment is consistent with embodiment one, and which is not described herein again, and difference essentially consists in, in single crystal diamond
The two sides of stone blade are deposited with nanometer and receive graphite-phase titanium nitride layer.Using vacuum sputtering coating method or other sink can be waited
Product examination, can be improved the opposite sliding property between the both side surface of blade and organic glass, reduce occur bonding phenomenon or
So that the organic glass wasted powder of cutting is adhered to blade face and influence the flatness cut, more effectively improves chamfering to realize
Bright border and bloom effect, make the surface roughness at acrylic glass chamfering up to Ra within 0.02 μm, surface gloss
Value is 190 or more.Preferably make nanoscale graphite phase titanium nitride layer with a thickness of between 2nm~5nm, most preferably 3nm, Bu Huiying
The cutting sharpness for ringing blade guarantees the efficiency of cutting.
Specific embodiment described in the present invention only illustrate the spirit of the present invention by way of example.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
It is skilled to this field although present invention has been described in detail and some specific embodiments have been cited
For technical staff, as long as it is obvious for can making various changes or correct without departing from the spirit and scope of the present invention.
Claims (4)
1. a kind of processing method of handset viewing window perspex panels bloom chamfering, which is characterized in that this method includes following step
It is rapid:
A, it takes several monolithic organic glasses to carry out stacking and forms a rectangular block shape glass, which is fixed place
Reason；
B, chamfering is carried out to above-mentioned rectangular block shape glass by using the cutter in CNC machining tool with single-crystal diamond blade
Cutting, the cutting speed 10m/s~12m/s for cutting chamfering, the single-crystal diamond blade use partial size≤4mm monocrystalline
Diamond Raw material processing forms, cutting edge circularity≤0.05 μm of the single-crystal diamond blade, the cutting edge of single-crystal diamond blade
1 μm~20nm of blunt round radius；The two sides of the single-crystal diamond blade are deposited with nanoscale graphite phase titanium nitride layer, described
Nanoscale graphite phase titanium nitride layer with a thickness of 2nm~5nm；After cutting, all have every monolithic organic glass accordingly
Chamfering, need not move through polishing treatment, obtain processing chamfering after the handset viewing window perspex panels with bloom chamfering.
2. the processing method of handset viewing window perspex panels bloom chamfering according to claim 1, which is characterized in that described
The partial size of single-crystal diamond raw material is 1mm~2mm.
3. the processing method of handset viewing window perspex panels bloom chamfering according to claim 1, which is characterized in that described
Monolithic organic glass is process using acrylic material.
4. the processing method of handset viewing window perspex panels bloom chamfering according to claim 1, which is characterized in that described
Monolithic organic glass is process using PMMA material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710514184.7A CN107234493B (en) | 2017-06-29 | 2017-06-29 | A kind of processing method of handset viewing window perspex panels bloom chamfering |
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| CN107234493B true CN107234493B (en) | 2019-11-01 |
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