CN103342460B - 3D glass processing method and Digit Control Machine Tool cutting tool - Google Patents
3D glass processing method and Digit Control Machine Tool cutting tool Download PDFInfo
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- CN103342460B CN103342460B CN201310261831.XA CN201310261831A CN103342460B CN 103342460 B CN103342460 B CN 103342460B CN 201310261831 A CN201310261831 A CN 201310261831A CN 103342460 B CN103342460 B CN 103342460B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 171
- 239000011521 glass Substances 0.000 title claims abstract description 96
- 238000003672 processing method Methods 0.000 title claims abstract description 28
- 238000013461 design Methods 0.000 claims abstract description 23
- 238000002203 pretreatment Methods 0.000 claims abstract description 7
- 238000005422 blasting Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 18
- 229910052593 corundum Inorganic materials 0.000 abstract description 15
- 239000010431 corundum Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 239000004576 sand Substances 0.000 description 11
- 238000012797 qualification Methods 0.000 description 5
- 238000007688 edging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000007495 chemical tempering process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention provides a kind of 3D glass processing method and Digit Control Machine Tool cutting tool, belong to field of mechanical technique.It solve existing 3D glass processing method Glass breadks easily, problem that yield rate is low.This 3D glass processing method includes pre-treatment: understand flat plate margin between 3D chunk glass 8 and 3D glass finished-product；Cutting: if above-mentioned flat plate margin is more than setting surplus, then first carry out rough cutting until flat plate margin is less than setting surplus, then carry out essence cutting until reaching product design requirement；If above-mentioned flat plate margin is less than setting surplus, then it is made directly essence cutting until reaching product design requirement.This Digit Control Machine Tool cutting tool includes cylindrical body, and body one end is provided with annular recessed shoulder；The recessed shoulder surface of annular is tool sharpening face, and annular recessed shoulder surface has the position adapted with product objective shape；Body one end surface is coated with corundum.This 3D glass processing method processing 3D glass is adopted to have the advantage that yield rate is high and production efficiency is high.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of glass processing, particularly a kind of 3D glass processing method.
The invention belongs to field of mechanical technique, relate to a kind of glass processing, particularly a kind of Digit Control Machine Tool cutting tool for 3D glass processing.
Background technology
Along with social development, electronic product recoverable amount is more and more huger；Such as mobile phone, camera, mp3, mp4, e-book and panel computer etc..Before, the display screen of electronic product is tabular.
Along with scientific and technological progress and esthetic requirement, non-conventional glass display screen is proposed gradually.More about its document, a kind of non-conventional glass recorded such as Chinese patent literature is as the manufacture method [application number: 200810071346.5 of shell, publication number CN101321443A], glass bending technology is adopted including A., glass is placed on mould and heats to its softening temperature, then allowing glass curve it shaping by deadweight or external forces, the glass of abnormal shape is made in finally annealing；B. adopting glass working arts, such as profiling edging, CNC engraving and ultrasonic punching, be processed according to the shape and size of design glass, and such as cutting, punching and chamfering etc., form non-conventional glass shell；C. glass is carried out chemical tempering process, adopts the mode of ion exchange, including High temperature ion exchange or low-temperature ion exchange.
The document is that working special-shaped glass display screen provides theoretical basis.For these people by constantly having researched and proposed more perfect ground scheme, such as 3D and the non-conventional glass hot forming tool [application number: 201010552125.7 of Chinese patent literature record；Publication number: CN102115306A], 3D and curved glass processing machine [application number: 201020139161.6；Notification number: CN201704205U].
Applicant finds to there is following defect in the profiling edging step of glass processing by studying: 1, because Glass breadks easily and comparatively hard；Thus cause very easily causing in profiling edging bursting apart, namely there is the problem that yield rate is low.2, the problem that finished product accuracy is low and roughness is high that profiling edging obtains.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of 3D glass processing method, the precision how improving Product processing of the technical problem to be solved in the present invention.
Another object of the present invention is to propose the Digit Control Machine Tool cutting tool for cutting 3D glass；The invention solves the problems that general NC lathe cutting tool is not suitable for the technical problem of cutting 3D glass.
The purpose of the present invention can be realized by following technical proposal: a kind of 3D glass processing method, it is characterised in that this processing method comprises the following steps:
A, pre-treatment: understand flat plate margin between 3D chunk glass 8 and 3D glass finished-product；3D chunk glass 8 is fixed on numerically controlled machine with being horizontally disposed with；
B, cutting: if above-mentioned flat plate margin is more than setting surplus, then first carry out rough cutting until flat plate margin is less than setting surplus, then carry out essence cutting until reaching product design requirement；If above-mentioned flat plate margin is less than setting surplus, then it is made directly essence cutting until reaching product design requirement.
This processing method adopts Digit Control Machine Tool to be processed, and Digit Control Machine Tool has the advantage that feed accuracy is high.According to display screen glass character and cutting character, can select neatly to set margin value；Set surplus as 0.17～0.22.
This processing method first judges that surplus is further according to surplus condition selecting cutting mode accordingly, i.e. rough cutting or essence cutting；The precision that the precision that obvious rough cutting arrives to arrive far below essence cutting, thus can reduce rough cutting cutter requirement, reduce production cost.Flat plate margin selects to set surplus as boundary, can eliminate the impact of the low generation of rough cutting precision, in other words, can stop to cause in rough cutting process that product cutting is scrapped；Leave cutting quantity suitably to again essence cutting, thus effectively ensure the roughness of Product Precision and facet, i.e. product quality.
In above-mentioned 3D glass processing method, described rough cutting comprises the following steps: a, one rough cutting cutter row of design all can make flat plate margin after taking a round less than setting the ringwise cutting track line of surplus；B, employing rough cutting cutter bore a feed hole in cutting track line starting point；C, cutter are walked along cutting track line, until it reaches withdrawing after terminal.Adopt the method cutting to have the advantage that feed distance is the shortest, thus there is the advantage that production efficiency is high and reduces the probability that glass bursts apart.
In above-mentioned 3D glass processing method, described essence cutting comprises the following steps: all can until reaching the cutting track line of product design requirement after a, one from coil to coil feeding of design and essence cutting tool walking 1 or 2 circle；B, cutter, from cutting track line starting point feed, are walked along cutting track line, until it reaches withdrawing after terminal.
In above-mentioned 3D glass processing method, it is 0.05～0.12 that described essence cutting tool often encloses the amount of feeding.The amount of feeding of essence cutting is little, thus can stop glass in essence cutting step and burst apart phenomenon and improve cutting accuracy, namely be effectively guaranteed qualification rate and the product quality of product.
In above-mentioned 3D glass processing method, perforating cutter is adopted to carry out perforate and/or fluting after completing essence cutting.3D display screen often also has home key installing hole, listens bore, the groove installed for some electronic devices and components.Above described holes and groove are also adopted by Digit Control Machine Tool cutting, namely adopt same apparatus processing, it is not necessary to repeat to install location, and then improve production efficiency and Product Precision.
In above-mentioned 3D glass processing method, adopt carpet or hairbrush that facet is processed by shot blasting after the dicing is completed.Above-mentioned polishing is also adopted by Digit Control Machine Tool processing, thus without repeating to install location, has the advantage improving production efficiency.
A kind of above-mentioned Digit Control Machine Tool cutting tool, including cylindrical body, it is characterised in that described body one end is provided with annular recessed shoulder；The recessed shoulder surface of annular is tool sharpening face, and annular recessed shoulder surface has the position adapted with product objective shape；Body one end surface is coated with corundum.The rough cutting cutter adopting this structure cuts, then adapt with product objective shape through the face of cutting, ensure that each position surplus is respectively less than 0.2 as much as possible.The smart cutting tool adopting this structure cuts, identical with product objective shape through the face of cutting, complies fully with the form and position tolerance of product.
In above-mentioned Digit Control Machine Tool cutting tool, described body end face is hemisphere planar.Have this structure cutting tool be suitable for boring, as rough cutting cutter in rough cutting, creep into tool bore, and for example for perforate or fluting.
In above-mentioned Digit Control Machine Tool cutting tool, described cutting tool is rough cutting cutter, then corundum sand granularity is 280～400 orders.
In above-mentioned Digit Control Machine Tool cutting tool, described cutting tool is essence cutting tool, then corundum sand granularity is 800～1000 orders.
Compared with prior art, this 3D glass processing method processing 3D glass is adopted to have the advantage that yield rate is high and production efficiency is high.
Precision is high and finished surface is fine and smooth, the advantage that namely in finished product, qualification rate is high to adopt this 3D glass processing method processing 3D glass also to have.
This 3D glass processing method also can continuously perform perforate, fluting and/or polishing；Thus avoid resetting 3D glass, namely improve production efficiency, ensure again machining accuracy.
Cutting tool in this 3D glass processing method is dedicated tool, adopts the processing of this cutting tool to be effectively improved yield rate and machining accuracy.Namely cutting tool if body end face is hemisphere planar can be used for rough cutting, it is also possible in perforate or fluting, it is clear that can reduce part dress cutter and to operations such as cuttves, have the advantage improving production efficiency.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this 3D glass.
Fig. 2 is the sectional structure schematic diagram of Fig. 1.
Fig. 3 is the partial structurtes enlarged drawing of Fig. 2.
Fig. 4 is the perspective view of this 3D glass.
Fig. 5 is the perspective view at another visual angle of this 3D glass.
Fig. 6 is the main TV structure schematic diagram of 3D chunk glass 8.
Fig. 7 is section view and the partial structurtes enlarged drawing of Fig. 6.
Fig. 8 is that 3D chunk glass 8 is by the structural representation of rough cutting.
Fig. 9 is the structural representation that 3D chunk glass 8 is cut by essence.
Figure 10 is the perspective view after 3D chunk glass 8 essence cutting.
Figure 11 is the structural representation of Digit Control Machine Tool rough cutting cutter.
Figure 12 is the structural representation of Digit Control Machine Tool essence cutting tool.
In figure, 1, flat part；2, kink；3, home key installing hole；4, bore is listened；5, side one；6, side two；7, side three；8,3D chunk glass 8；81, finished product portion；82, outer rim extension；9, cutting tool；91, body；92, annular recessed shoulder；93, corundum.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As shown in Figures 1 to 5,3D glass has centrally located flat part 1 and is positioned at the kink 2 at edge.Flat part 1 has home key installing hole 3 and listens bore 4.As in figure 2 it is shown, kink 2 cross section of this 3D glass is arc-shaped.As it is shown on figure 3, have side 26 and the side three 7 vertical with flat part 1 that the side one 5 parallel with flat part 1 is arranged in inclined at acute angles with flat part 1 between 3D glass inner plate surface and outer plate surface successively.
This 3D glass processing method includes pre-treatment and two steps of cutting successively.Needing also to increase adaptively manufacturing procedure according to reality processing, this 3D glass processing method includes pre-treatment and cutting step and perforate and/or grooving step successively；Or this 3D glass processing method includes pre-treatment and cutting step and perforate and/or grooving step successively；Finally adopt carpet or hairbrush that facet is processed by shot blasting.
As shown in Figure 6 and Figure 7,3D chunk glass 8 has finished product portion 81 identical with 3D glass finished-product, also has outer rim extension 82 except this, is consequently formed edge allowance.Pre-treatment includes understanding between 3D chunk glass 8 and 3D glass finished-product flat plate margin and is horizontally disposed with by 3D chunk glass 8 and recess is fixed on numerically controlled machine upward.
Specifically, above-mentioned flat plate margin can be obtained by measurement or obtain according to 3D chunk glass 8 production technology.As it is shown in fig. 7, dotted line represents 3D glass product sizes present position, H represents flat plate margin.
3D chunk glass 8 adopts vacuum adsorption fixture to be fixed on numerically controlled machine；3D chunk glass 8 can be fixed by vacuum adsorption fixture firmly, can also be accurately positioned by 3D chunk glass 8 simultaneously.3D chunk glass 8 is horizontally disposed with, and cutter and flat part 1 thus can be made to be vertically arranged；This cloth placement location belongs to optimal case, namely can guarantee that positioning precision, can guarantee that again cutting accuracy and molding cutting times, and in general, employing dedicated tool once just can molding.
According to practical situation, 3D chunk glass 8 adopts electric magnet to be fixed on numerically controlled machine.
As shown in Figure 8, cutting is to select cutting mode suitably according to flat plate margin.Even above-mentioned flat plate margin more than setting surplus, then first carries out rough cutting until flat plate margin is less than setting surplus, then carries out essence cutting until reaching product design requirement；If above-mentioned flat plate margin is less than setting surplus, then it is made directly essence cutting until reaching product design requirement.H represents flat plate margin.
What the present embodiment provided sets surplus as 0.2；Can increase neatly according to display screen glass character and cutting character or reduce setting surplus.
Specifically, rough cutting can adopt in below scheme neatly according to practical situation any one；Scheme one: rough cutting comprises the following steps: a, one rough cutting cutter 9 row of design all can make flat plate margin less than 0.2 ringwise cutting track line after taking a round；B, employing rough cutting cutter 9 bore a feed hole in cutting track line starting point；C, cutter are walked along cutting track line, until it reaches withdrawing after terminal.More particularly, cutting track line is determined according to rough cutting cutter 9 tool bit diameter, writes Digit Control Machine Tool program further according to design ground cutting track line；Rough cutting cutter 9 is according to writing ground Digit Control Machine Tool program walking；Namely rough cutting cutter 9 is first in cutting track line starting point feed vertically downward, it is achieved get out feed hole；Further along cutting track line horizontal feed, until it reaches withdrawing vertically upward after terminal.This cutting mode is especially suitable for flat plate margin and has higher value.
Scheme two: rough cutting comprises the following steps: a, one from coil to coil feeding of design and rough cutting cutter 9 are walked and flat plate margin all can be made less than 0.2 spiral cutting track line after some circles；B, cutter, from cutting track line starting point feed, are walked along cutting track line, until it reaches withdrawing after terminal.It is 0.5 that rough cutting cutter often encloses amount of feeding maximum.In order to ensure cutting efficiency, surplus adopts which to cut when about 1.
In order to reduce the probability causing glass to burst apart in rough cutting step, the rotating speed of rough cutting cutter is higher than 20000 revs/min, and rotating speed is more high also more high to equipment requirements, and the most preferentially, the rotating speed of rough cutting cutter is 50000 revs/min.The more big production efficiency of rough cutting tool feeding amount is more high, but glass bursts apart, probability is also more high, and namely yield rate is more low；From there through testing in large quantities, rough cutting cutter of the present invention is preferably 0.2～0.3 m/min along cutting track line feed speed.
As shown in Figure 9 and Figure 10, essence cutting comprises the following steps: all can until reaching the cutting track line of product design requirement after a, one from coil to coil feeding of design and essence cutting tool walking 1 or 2 circle；B, cutter, from cutting track line starting point feed, are walked along cutting track line, until it reaches withdrawing after terminal.Above-mentioned cutting track line all needs to be written as Digit Control Machine Tool program.
The essence more big production efficiency of the cutting tool amount of feeding is more high, but is likely to result in glass and bursts apart, and machining accuracy reduces and makes finished surface more coarse；The most preferential, it is 0.05～0.12 that the smart cutting tool of the present invention often encloses the amount of feeding；The rotating speed of essence cutting tool is higher than 20000 revs/min, and essence cutting tool is preferably 0.2～0.3 m/min along cutting track line feed speed.
As is illustrated by figs. 11 and 12, this Digit Control Machine Tool cutting tool includes cylindrical body 91, and body 91 one end is provided with annular recessed shoulder 92；Recessed shoulder 92 surface of annular is tool sharpening face, and annular recessed shoulder 92 surface has the position adapted with product objective shape；Body 91 one end surface is coated with corundum 93.
Specifically, the side of annular recessed shoulder 92 and plane perpendicular and intersect, the machined surface that this cutting tool 9 processes is perpendicular with horizontal plane, or a machined surface is perpendicular with horizontal plane, and another machined surface is paralleled with horizontal plane.The side of the recessed shoulder 92 of annular is connected with plane perpendicular and between side with bottom surface by an inclined-plane；This cutting tool 9 processes three machined surfaces, machined surface be followed successively by parallel with flat part 1 with flat part 1 in inclined at acute angles with vertical with flat part 1.
As shown in Figure 8 and Figure 11, body 91 end face is hemisphere planar.The cutter with this structure has boring or the function of fluting.When cutting tool 9 is for rough cutting cutter, then corundum 93 sand granularity is 280～400 orders.As preferably, corundum 93 sand granularity is 350 orders or 400 orders.
As shown in figs. 9 and 12, body 91 end face is plane, and the cutter with this structure can be used for essence cutting.When cutting tool 9 is for essence cutting tool, then corundum 93 sand granularity is 800～1000 orders.As preferably, corundum 93 sand granularity is 1000 orders.
Embodiment one
Between 3D chunk glass 8 and 3D glass finished-product, flat plate margin is 2.5；Digit Control Machine Tool is Beijing finishing impression glass grinding processing special machine；Rough cutting adopts scheme one to process；The tool bit diameter of rough cutting cutter is 3, and corundum 93 sand granularity is 350 orders；NC machining program sets the rotating speed of rough cutting cutter as 50000 revs/min；Rough cutting cutter is 0.2 m/min along cutting track line feed speed；After processing, surplus is 0.1.The tool bit diameter of essence cutting tool is 3, and corundum 93 sand granularity is 1000 orders；Design cutting track line is a circle；NC machining program sets the rotating speed of rough cutting cutter as 50000 revs/min；Rough cutting cutter is 0.3 m/min along cutting track line feed speed.By above-mentioned conditional manner processed finished products rate more than 99%, in finished product, qualification rate is 100%.
Embodiment two
Between 3D chunk glass 8 and 3D glass finished-product, flat plate margin is 0.8；Digit Control Machine Tool is Beijing finishing impression glass grinding processing special machine；Rough cutting adopts scheme two to process；The tool bit diameter of rough cutting cutter is 6, and corundum 93 sand granularity is 400 orders；NC machining program sets the rotating speed of rough cutting cutter as 50000 revs/min；Rough cutting cutter is 0.3 m/min along cutting track line feed speed；The first lap amount of feeding is 0.5, and the second circle amount of feeding is 0.15；After processing, surplus is 0.15.The tool bit diameter of essence cutting tool is 3, and corundum 93 sand granularity is 800 orders；NC machining program sets the rotating speed of rough cutting cutter as 50000 revs/min；Design cutting track line is two circles；The first lap amount of feeding is 0.1, and the second circle amount of feeding is 0.05；Rough cutting cutter is 0.3 m/min along cutting track line feed speed.By above-mentioned conditional manner processed finished products rate more than 99%, in finished product, qualification rate is 100%.
Embodiment three
Between 3D chunk glass 8 and 3D glass finished-product, flat plate margin is 0.2；Digit Control Machine Tool is Beijing finishing impression glass grinding processing special machine；The tool bit diameter of essence cutting tool is 5, and corundum 93 sand granularity is 1000 orders；NC machining program sets the rotating speed of rough cutting cutter as 30000 revs/min；Design cutting track line is two circles；The first lap amount of feeding is 0.12, and the second circle amount of feeding is 0.08；Rough cutting cutter is 0.2 m/min along cutting track line feed speed.Being 100% by above-mentioned conditional manner processed finished products rate, in finished product, qualification rate is 100%.
Claims (3)
1. a 3D glass processing method, it is characterised in that this processing method comprises the following steps:
A, pre-treatment: understand flat plate margin between 3D chunk glass and 3D glass finished-product；3D chunk glass is horizontally disposed with and recess is fixed on numerically controlled machine upward；
B, cutting: if above-mentioned flat plate margin is more than setting surplus, then first carry out rough cutting until flat plate margin is less than setting surplus, then carry out essence cutting until reaching product design requirement；If above-mentioned flat plate margin is less than setting surplus, then it is made directly essence cutting until reaching product design requirement, the described surplus that sets is as 0.17～0.22, and described rough cutting comprises the following steps: a, one rough cutting cutter row of design all can make flat plate margin after taking a round less than setting the ringwise cutting track line of surplus；B, employing rough cutting cutter bore a feed hole in cutting track line starting point；C, cutter are walked along cutting track line, until it reaches withdrawing after terminal, and described essence cutting comprises the following steps: all can until reaching the cutting track line of product design requirement after a, one from coil to coil feeding of design and essence cutting tool walking 1 or 2 circle；B, cutter, from cutting track line starting point feed, are walked along cutting track line, until it reaches withdrawing after terminal.
2. 3D glass processing method according to claim 1, it is characterised in that adopt perforating cutter to carry out perforate and/or fluting after completing essence cutting.
3. 3D glass processing method according to claim 2, it is characterised in that adopt carpet or hairbrush that facet is processed by shot blasting after the dicing is completed.
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| CN201310261831.XA CN103342460B (en) | 2013-06-26 | 2013-06-26 | 3D glass processing method and Digit Control Machine Tool cutting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104086076A (en) * | 2014-06-13 | 2014-10-08 | 浙江蓝特光学股份有限公司 | Manufacturing method of tempered thin glass film |
| CN107571332B (en) * | 2015-09-22 | 2020-10-09 | Oppo广东移动通信有限公司 | Machining method for shell edge, shell and mobile terminal |
| CN107285610B (en) * | 2016-03-31 | 2020-07-10 | 北京小米移动软件有限公司 | Method for processing hot-bending glass structure, hot-bending glass structure and electronic device |
| CN106564313A (en) * | 2016-10-27 | 2017-04-19 | 广东星弛光电科技有限公司 | UV texture transfer print preparing technology for 3D glass window protection screen |
| CN106565111A (en) * | 2016-10-27 | 2017-04-19 | 广东星弛光电科技有限公司 | Composite printing and preparation process of 3D glass view window protective screen |
| CN106865961A (en) * | 2017-02-28 | 2017-06-20 | 维沃移动通信有限公司 | A kind of forming method and application process of 3D glass cover-plates |
| CN114800053A (en) * | 2022-03-30 | 2022-07-29 | 盐城牧东光电科技有限公司 | Three-dimensional mobile phone rear cover glass and preparation method thereof |
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