CN101331077B - Method and apparatus for finishing a glass sheet - Google Patents

Method and apparatus for finishing a glass sheet Download PDF

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Publication number
CN101331077B
CN101331077B CN200680047468XA CN200680047468A CN101331077B CN 101331077 B CN101331077 B CN 101331077B CN 200680047468X A CN200680047468X A CN 200680047468XA CN 200680047468 A CN200680047468 A CN 200680047468A CN 101331077 B CN101331077 B CN 101331077B
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Prior art keywords
glass
glass board
bearing surface
load
edge
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CN200680047468XA
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CN101331077A (en
Inventor
J·W·布朗
C·M·达坎吉罗
Y·孙
L·乌克兰采克
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Corning Inc
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Corning Inc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00Advancing webs
    • 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
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines 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
    • B24B9/06Machines 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
    • B24B9/08Machines 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
    • B24B9/10Machines 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 plate glass
    • 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
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Surface Treatment Of Glass (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

An apparatus for finishing a glass sheet comprising a pair of fluid bearings having bearing surfaces in opposing relation, the bearing surfaces spaced apart to define a channel for receiving the glass sheet, each bearing surface having a plurality of pores through which jets are introduced into the channel, the pores positioned on the bearing surface such that the jets produce a uniform fluid pressure across the bearing surface.

Description

The method and apparatus of processing glass sheets
Technical field
The present invention relates generally to the apparatus and method of processing glass sheets.Specifically, the present invention relates to the apparatus and method that processing has the glass board on one or more pristine (pristine) surface.
Background technology
Having brand-new and the glass board flame polish quality surface makes with fusion process usually.This glass board can be used for making the device such as flat-panel monitor.The representative type fusion process is presented among Fig. 1.The glass 100 of fusing flows in the path 10 2 of a melting tube 104, and from path 10 2, overflows, and flows to the next door of melting tube 104 downwards and forms tabular stream 106 with controlled way.Because the outside face of tabular stream 106 107,109 does not contact with any solid material, so they are pristine.Tabular stream 106 little by little cools down it through the zone 108 of a controlled heating, and forms the continuous glass board 114 that has brand-new surface, has desirable planeness and thickness therein.
When continuous glass board 114 occurs, therefrom cut off a glass board from drawbench 112.Then, this piece glass board stands a course of processing, and this process generally includes: using machinery to draw earlier and quarter glass board is accurately cut into desired size, is thereafter that edge polishing and/or polishing are to remove any wedge angle and seamed edge.Come glass-cutting and carry out traditional edge through grinding and buffing to add trade union's generation glass chip a stroke quarter with machinery, they can pollute the quality surface of glass board.Need cleaning fully and drying to wash glass particle off.This kind cleans fully and drying has influence on machining line and manufacturing cost.Glass particle also can damage the quality surface of glass board.
Visible from the above, need improve processing all the time to glass board, it farthest reduces machining line and manufacturing cost, and the quality surface of maintenance glass board is in the state of pristine.
Summary of the invention
In one aspect, the present invention relates to the device of a processing glass sheets, this device comprises a pair of fluid bearings with the load-bearing surface that keeps opposite relation.Load-bearing surface is spaced apart and form the passage be used for admitting glass board.Each load-bearing surface has a plurality of holes, and jet is incorporated in the passage through the hole.The hole is positioned at and makes jet on load-bearing surface, produce uniform fluid pressure on the load-bearing surface.
In yet another aspect; The present invention relates to the method for a processing glass sheets; This method comprises: glass board is loaded in the passage that is formed between a pair of fluid bearings with load-bearing surface, and wherein, each load-bearing surface has a plurality of holes; Jet is incorporated in the passage through the hole, and hole shape becomes makes jet on load-bearing surface, produce uniform fluid pressure; And the edge of processing glass sheets.
From following description and accompanying drawing, will be appreciated that other feature and advantage of the present invention.
Description of drawings
Fig. 1 illustrates the continuous glass board of being produced by fusion process.
Fig. 2 A is the lateral plan of fluid bearings system.
Fig. 2 B is the detail drawing of single fluid bearings.
Fig. 2 C is the view of the part of flow plate, flow openings or hole in the plate shown in it.
Fig. 3 A illustrates from the observed pressure curve of non-synergistic water jet.
Fig. 3 B illustrates from the observed pressure curve of synergistic water jet.
Fig. 4 is the block diagram of the device of processing glass sheets.
Fig. 5 A and 5B illustrate the block diagram of edge treated device.
Fig. 6 A and 6B illustrate processing equipment and fluid bearings structure.
The specific embodiment
To describe the present invention in detail with reference to the several preferred embodiments shown in accompanying drawing at present.In the following description, many concrete details have been set forth, to provide to thorough understanding of the present invention.Yet those skilled in the art will be appreciated that the present invention's practice can not have some or all these concrete details yet.In other example, do not describe well-known characteristic and/or process steps in detail, purpose is unnecessarily not fuzzy the present invention.Can understand feature and advantage of the present invention better with reference to accompanying drawing and following description.
Fig. 2 A illustrates a fluid bearing system 200, and it is supporting glass plate 202 in the edge of handling glass board 202, for example, and when cutting, polishing and/or polishing.Fluid bearings system 200 supporting glass plates 202 and the quality region of contact glass plate 202 (that is core) not.The fluid that is used for fluid bearings system 200 can be liquid or gas.When the fluid that is used for fluid bearings system 200 is a liquid, fluid bearings system 200 also makes and keeps glass board 202 to keep moistening, thus, has avoided because gathering at glass board 202 lip-deep particles of causing of static charge.Fluid bearings system 200 comprises the fluid bearings 204 of a pair of relationship with subtend.Fluid bearings 204 spaced apart and form one admit glass board 202 passage 206.One group of edge grippers 208 is clamped glass board 202 edges, and prevents that glass board 202 from skidding off outside the passage 206.Preferably, edge grippers 208 quality region of contact glass plate 202 not.
Fig. 2 B is the detail drawing of single fluid bearings 204.Fluid bearings 204 comprises range upon range of inflatable chamber (plenum) 210.The combined altitudes of this range upon range of inflatable chamber 210 (H) and width (W) can identical with width with the height of glass board 202 (among Fig. 2 A).Distance between the inflatable chamber 210 (S) can be the same or different.In some cases, can there be spacing (S) between some or all inflatable chamber 210.Perhaps, range upon range of inflatable chamber 210 can use single inflatable chamber to replace.Each inflatable chamber 210 comprises that a flow plate 212 and is connected to the back plate 216 of flow plate 212 through inlet device 215.Back plate 216 is installed on the bearer frame 218.Bearer frame 218 can be coupled on aligning or the registration device (not shown), and this will allow fluid bearings 208 to adjust with respect to the fluid bearings or the glass board of a subtend subsequently.For example, back plate 216 also can be coupled to bearer frame 218 adjustablely, so that the spacing scalable between the inflatable chamber 210.Can there be tapering at the edge of flow plate 212 or expands outwardly so that glass board 202 inserts in the passage (206 among Fig. 2 A).
Inlet device 215 has a plurality of inlets 214, and the fluid that flows out from the fluid source (not shown) can be communicated with between flow plate 212 and back plate 216 through inlet 214.Flow plate 212 has a plurality of openings or hole (213 among Fig. 2 C), can go in the passage (206 Fig. 2 A) through orifice flow from the fluid of 214 outflows that enter the mouth, to the glass board in the passage (202 among the figure A) bearing support to be provided.In one example, hole 213 is the holes in the flow plate 212.In another example, flow plate 212 is made of porous materials.The fluid that is communicated to hole 213 can be liquid or gas.Preferably, fluid does not interact with glass board (202 among the figure A).The instance of suitable fluid includes but is not limited to water and air.Preferably, fluid jet occurs producing a uniform fluid pressure with the load-bearing surface 211 that traverses inflatable chamber 210 from hole 213.In order to produce uniform fluid pressure, fluid jet should traverse the load-bearing surface 211 of inflatable chamber 210 and interact.For synergistic fluid jet, the diameter in hole 213 (d among Fig. 2 C) is 1/2 big than distance between the adjacent bores (figure D in C) preferably.
Fig. 3 A illustrates observed pressue-graph from the non-interaction water jet that traverses a plenum surface.This pressue-graph shows that non-interaction fluid jet produces local pressure on glass pane surface.When glass board was placed on the so non-synergistic plenum surface, a moisture film was formed between glass and the inflatable chamber.Yet the fluid pressure in the moisture film plane is heterogeneous.Fluid bearings is very responsive for the little disturbance in the jet (such as because the disturbance that hole size variation produced that machining tolerance causes).The heterogeneity that fluid flows and the small alignment of opposed jet will definitely not form glass vibration, and on the edge of in the course of processing utmost point do not hope to take place this vibration.Fig. 3 B illustrates observed pressue-graph from the interaction water jet.As shown in the figure, the pressure curve of interaction water jet does not show at the observed local pressure of non-interaction water jet.
Generally speaking, when flow plate 212 was made of porous materials, the plenum design that on the vertical bearing surface, obtains uniform fluid pressure was just much simple.Aerated materials forms resistance to the caused perpendicular flow of gravity, thus, allows uniform fluid to be dispersed on plenum surface and the thickness.The flow plate 212 made by the aerated materials that manifests above-mentioned characteristic is first-selected, that is, the bore dia on the load-bearing surface 211 is 1/2 bigger than distance between the adjacent bores.Because fluid self can be on load-bearing surface 211 is distributed equably again, so, use the aerated materials of thick (for example, greater than about 1/8 inch (3.175mm)) can simplify the design of inflatable chamber.The instance of aerated materials includes but is not limited to super high molecular weight (UHMW) high density polyethylene (HDPE) (HDPE), and for example it can be buied from the GenPore that is seated Pennsylvanian thunder fourth (Reading).Have found that following aerated materials is useful: the average cell size that aerated materials has in the scope, preferably between 10 μ m to 100 μ m, is preferably between 50 μ m to the 80 μ m between 5 μ m to 150 μ m.But the hole in the aerated materials can rectangular distribution also non-uniform Distribution, and can have the size of variation.The thickness of aerated materials in 10mm to 50mm scope, preferably is about 25mm usually.Fluid-pressure drop through flow plate thickness preferably is not more than 50%.
Fig. 3 B illustrates the average pressuure that synergistic water jet produces, and it is the function of passage (206 among Fig. 2 A) size.As shown in the figure, the average pressuure that synergistic water jet produces increases with channel size and reduces.The average pressuure that synergistic water jet produces also receives the influence of jet speed, and jet speed is produced the influence of hole dimension with the water flow velocity that is fed to the hole that produces jet of jet.Usually, can select channel sized and jet speed to reach desired average velociity on the glass pane surface.Preferably, the pressure that is applied on the glass pane surface by jet provides enough rigidity to come the glass board in the support channels, so that the glass board load-bearing surface of contact flow plate not.In some cases, can apply different amount of pressure to the different piece of glass.This can be through with the realization of getting off: make flow plate have different porosity parts, and realize traversing the desired pressure of glass counterpart in each part customization porosity; Perhaps in giving certain portions, change current.
Fig. 4 illustrates the device 400 of a processing glass sheets.The embodiment that can adopt one or more devices 400 or its to substitute realizes one effectively and the machining line of cost economy.This device 400 comprises a platform 404, and it preferably is rigidity and can be equipped with damping of vibrations mechanism.One anchor fitting 406 is installed on the end of platform 404.(or location) device 408 is aimed in these anchor fitting 406 supportings first.One bearer frame 410 is installed on the other end of platform 404 and is relative with anchor fitting 406.Bearer frame 410 comprises that cramp bar 412, one second alignings (or location) device 414 is attached on this cramp bar 412.First and second alignment devices 408,414 are spaced apart from each other and keep the relation of subtend.Fluid bearings system 200 is arranged on first and second alignment devices 408, is connected between 414 and with it.Fluid bearings system 200 is supporting glass plate 202 in the course of processing, and simultaneously, the quality region of maintenance glass board 202 is in the state of pristine.
Can operate first and second alignment devices 408,414, adjust fluid bearings system 200 or adjust the position of its parts as required with respect to platform 404 or glass board 202 or processing equipment 500.First and second alignment devices 408,414 can be translational worktables, the parts of its ability one or more dimensions ground translate fluid bearing system 200.For example, first and second alignment devices 408,414 can be the x-y bench board, for example, can use the motor such as DC or stepping motor or servomotor that kind to come manually or automatically to drive them.The x-y bench board can be compound table or can be made up of indivedual translational worktables.Also can provide the bench board or the actuator of the translation that is less than two dimension to be used as alignment device 408,414.For example, only just enough along all parts of y axial adjustment fluid bearings system 200.Alignment device 408,414 also can comprise sloping platform so that allow convection cell bearing system 200 to make angular adjustment.
Bearer frame 410 supportings third and fourth translational worktable 418,420.Third and fourth translational worktable 418,420 respectively be connected with one be used for processing glass sheets 202 edges processing equipment 500.The only visible in the drawings processing equipment 500 that is coupled to the 3rd translational worktable 418.Third and fourth translational worktable 418,420 can extend to fluid bearings system 200 with processing equipment 500, so that processing is bearing in the edge of the glass board 202 in the fluid bearings system 200.One revocable bottom conveyor 424 is installed on the anchor fitting 406.Can use bottom conveyor 424 that glass board 202 is transported in the fluid bearings system 200.After edge gripping device (208 among Fig. 2 A and the 2B) clamping glass board 202 edges, bottom conveyor 424 can be recalled to allow to enter into the bottom margin of glass board 202 from fluid bearings system 200.
Processing equipment 500 can be any suitable device that can be used to processing glass sheets 202 edges, such as polishing, stroke quarter or burnishing device.Preferably, processing equipment 500 can stop the quality region of generated contaminant arrival glass board in handling glass board 202 edge processes.U.S. Patent application publication No.US2005/0090189 (people such as Brown) has disclosed a kind of suitable processing equipment, and this paper quotes its content.Fig. 5 A and 5B illustrate the instance of the processing equipment 500 that is arranged on fluid bearings system 200 tops.This processing equipment 500 comprises processing unit (plant) 502.In an example, processing unit (plant) 502 comprises that one is connected to the processing wheel 504 on the axle 506, for example, draws and carves wheel or grinding wheel.Processing equipment 500 also comprises a case 508 that processing unit (plant) 502 is surrounded.This case 508 comprises a slit 509, and processing wheel 504 can be close to the edge of glass board 202 through this slit.Generated contaminant in the course of processing on the edge of, for example, the reagent (such as water and other lubricant or cooling system conditioner) of glass particle and the processing of auxiliary glass panel edges all is accommodated in the case 508.Pollutants in the case 508 is drained through a vacuum pipeline (510 among Fig. 5 B).Processing equipment 500 can comprise that also one is attached to the air knife or the water cutter 512 of case 508, to prevent that the pollutants of not collected by vacuum pipeline 510 from running ease and falling.
When using one to have the edge of processing equipment cutting glass plate of case, the glass sheet quality zone is protected to avoid running into generated contaminant in the course of processing.Glass plate edge can be with processing such as grinding wheel and the instrument of drawing taking turns quarter.Also can use other processing unit (plant) such as slurry jet or nitrogen jet to replace grinding wheel.Can use the case that has slurry jet or nitrogen jet current device to surround the edge of glass board.In the course of processing, case allows to use chemical coolant or other lubricant.Cooling system conditioner is contained in the case, thus, avoids staining the quality region of glass.The cooling system conditioner of use such as silane base class can improve the efficient of machining tool (for example, grinding wheel) and can help to restore the interior cracking of glass edge, forms more solid edge.Processing after edge chips can current clean in the case with being contained in.
Various processing equipment 500 structures with respect to fluid bearings system 200 all are possible.Fig. 6 A illustrates the reduced graph of a structure, and wherein, processing equipment 50 is arranged on the top and bottom of glass board 202, and along the T&B edge of glass board 202 translations with processing glass sheets 202.200 with dashed lines, 600 expressions of fluid bearings system are so that can see glass board 202.In the course of processing, the vertical edge of glass board is grasped by edge grippers.For the vertical edge of processing glass sheets 202, glass board 202 can take out from fluid bearings system 200, and is transported to another processing station with same structure.Before arriving next station, glass board 202 rotatable 90 degree are so that use same structure to handle the remaining edge of glass board 202.Can in non-quality region, carry out this kind rotation with the robot of clamping glass board 202.Perhaps, edge grippers 208 can be repositioned onto the top and the bottom of glass board 202, and processing equipment 500 can be along the vertical edge translation of glass board 202.This can need not to rotate glass board 202 all edges with regard to workable glass plate 202 in a station.
Fig. 6 B illustrates another modified version of Fig. 6 A structure.In this example, the edge grippers 208 at clamping glass board 202 edges is coupled to an end effector (effector) 602, and this operating control is coupled to a translation or registration device 604, for example a linear slide again.In this figure, also with dashed lines 600 expressions of fluid bearings system 200 are can see glass board 202 and edge grippers 208.In the course of processing, processing equipment 500 remains on the top and bottom of glass board 202 still, operates linear slide 604 simultaneously so that glass board 202 moves with respect to processing equipment 500.Glass board 202 is transported to fluid bearings system 200 on first bottom conveyor 606, and is used to have on second bottom conveyor 608 of another station of similar or same structure one and leaves fluid bearings system 200.Glass board 202 can rotate 90 degree before arriving next station.Because glass board 202 keeps moving, so this instance has higher output.
Above-mentioned various structure also can be configured to horizontal orientation rather than vertical orientation as shown in the figure.In a horizontal structure, fluid bearings will be a level.Such as any accessory equipments that is used to handle glass board such as bottom or built on stilts forwarder, edge grippers, robot suction cups, preferably in non-quality region, normally touch glass board from the place of glass plate edge 5-10mm.Use said structure, if the fluid in the fluid bearings is a liquid, so, glass board keeps moistening in the course of processing on the edge of in fluid bearings, and this can prevent because the particle on glass board that static charge causes gathers.Glass board keeps the moistening fluid stains that also prevents on glass board.
Following course of processing instance has been merely illustrative purposes, does not think and limits other description of the present invention.
Instance 1
One continuous glass board is formed by fusion process.When continuous glass board occurs from the withdrawing device, use a portable anvil method (TAM) from continuous glass board, to cut the glass board that requires size down.TAM comprises that using stroke to carve assembly comes continuous glass board is drawn quarter, carves assembly for said stroke and moves with the speed of mating continuous glass board speed along continuous glass board.In standard TAM cutting, drawing engraving device is that machinery is drawn the wheel at quarter.Just before continuous glass board being drawn quarter, a manipulator is applied to suction hood on the continuous glass board.The end effector that is connected to the manipulator of suction hood also moves with mobile glass board.In case draw the carved glass plate with TAM, this glass board of robot bends is to separate it with continuous glass board.Then, manipulator is transported to glass board on the one built on stilts forwarder, and this forwarder moves on to another station with glass board.In this example, when continuous glass board passed through the withdrawing device, one group of roller (or edge guiding device) was clamped the edge of continuous glass board, as well known in the art.In this case, next station is a station of removing vertical bead (VBS), that is, the vertical edge of finishing glass plate is also removed the station of bead.Normally, before the glass board cooling, remove bead, otherwise too many stress can be stayed in the glass board.If the edge of glass board through the roller (or edge guiding device) in the withdrawing device, does not then need VBS continuously.
Instance 2
Glass board as in instance 1, preparing is handled on a machining line.This operating line comprises one or more fluid bearings of the present invention system.The course of processing comprises uses the thermal shock cutting technique that glass board is cut into a certain size.This thermal shock cutting technique process prescription in United States Patent(USP) Nos. 6713720,6204472,6327875,6407360,6420678,6541730 and 6112967, this paper quote they the content of instructing for your guidance.Usually, thermal shock cutting technique process comprises use one such as laser or the such heating source edge one fine rule heating glass plate of plasmatorch.Behind the fine rule heating glass plate immediately along fine rule quick cooling glass board.Heating and cooling circulate in and form thermal shock near the glass board the fine rule, and this causes along the cracking of fine rule propagation.Glass board is separated, or can easily separate with glass board along the crack.
In thermal shock cutting technique process, glass board can be bearing on the air bearing.Air bearing can be simple; For example; Have the hole of the advertising air glass board that suspends; Or such as the air/vacuum combination of NEW WAY
Figure S200680047468XD00081
air bearing; It can be buied from the New WayAir Bearings that is seated Pennsylvanian Aston (Aston), perhaps can be Core Flow air bearings.Perhaps, above-mentioned fluid bearings system can be used in the air as fluid.After glass board is cut into a certain size, the edge of processing glass sheets, simultaneously, supporting glass plate in the fluid bearings system.Can side by side process first group of subtend edge of (cutting and ground/polished) glass board.Then, also rotatable glass board or do not rotate glass board ground remaining subtend edge group of processing glass sheets side by side.Because TAM and VBS in the instance 1 are unclean, so, the glass cleaning plate wanted subsequently.After the glass cleaning plate, use air knife to come the dry glass plate.Check glass board then.After the inspection, glass board can be coated with and apply protective coat.Pack glass board then in order to transportation and/or storage.
Instance 3
In supporting glass plate in the fluid bearings system, and use the processing equipment have case that glass board is cut into a certain size, glass board is as processing in the instance 2.
Instance 4
Except TAM cutting is passed through the thermal shock process with VBS, glass board as in the instance 1 prepare.Thermal shock process cleans, and does not produce the glass chip that meeting pollutes the glass sheet quality zone.Then, except because TAM cutting and VBS are clean and do not need the last glass cleaning plate, as instance 2 or instance 3, glass board is processed.
The present invention typically provides following advantage.Can avoid usually abundant cleaning and the drying to glass board relevant with the machining process of prior art, for example, as described in the above instance 4, TAM cuts and VBS cleans.Above-mentioned machining process can easily be integrated with melting process.In the course of processing, the fluid bearings system provides the supporting to glass board on the edge of, and the quality region of contact glass plate not.The fluid bearings system increases the hardness of glass, can in the glass plate edge course of processing, more accurately cut and prevent distortion.The fluid bearings system can be used to control the temperature of glass board so that edge treated efficient reaches maximum.The machining line floor area of vertical orientation reduces than the manufacturing line of horizontal orientation widely.On the edge of in the treating process, cover the edge of glass board, can make glass board be in the intrasystem pollution of avoiding the glass sheet quality zone simultaneously of fluid bearings through case.
Although the embodiment with reference to limited amount has described the present invention, have benefited from those skilled in the art of the present invention and will recognize that, can design other embodiment and the scope of the present invention that do not break away from here to be disclosed.Therefore, scope of the present invention should only be limited appended claims.

Claims (12)

1. the method for a processing glass sheets, this method comprises:
Glass board is loaded in the passage that is formed between a pair of fluid bearings with load-bearing surface; Wherein, Each load-bearing surface has a plurality of holes, and jet is introduced in the passage through the hole, and hole shape becomes makes jet on load-bearing surface, produce uniform fluid pressure;
Two opposed edges of coming the clamping glass board with one group of edge grippers, and
Two edges that processing glass sheets is remaining.
2. the method for claim 1 is characterized in that, the processed glass panel edges comprises the subtend edge of polishing and/or polished glass plate.
3. the method for claim 1 is characterized in that, the processing of glass plate edge comprises the subtend edge of processing glass sheets side by side.
4. the method for claim 1 is characterized in that, also comprises linear slide is connected to this group edge grippers.
5. the device of a processing glass sheets, this device comprises:
A pair of fluid bearings with the load-bearing surface that is keeping opposite relation; Load-bearing surface is spaced apart and form the passage be used for admitting glass board; Each load-bearing surface has a plurality of holes; Jet is incorporated in the passage through the hole, and the hole is positioned at and makes jet on load-bearing surface, produce uniform fluid pressure on the load-bearing surface; And one group of edge grippers, said edge grippers are used for two opposite edges of clamping glass board.
6. device as claimed in claim 5 is characterized in that, the hole is positioned to make the jet that from the hole, produces to interact.
7. device as claimed in claim 5 is characterized in that, the diameter in hole is one more medium-sized than distance between the adjacent hole.
8. device as claimed in claim 5 is characterized in that each fluid bearings comprises a flow plate, and a surface of flow plate provides load-bearing surface.
9. device as claimed in claim 8 is characterized in that, through punching in flow plate the hole in the load-bearing surface is provided.
10. device as claimed in claim 8 is characterized in that flow plate is made of porous materials.
11. device as claimed in claim 10 is characterized in that, aerated materials has the average cell size in 5 μ m to 150 mu m ranges.
12. device as claimed in claim 5 is characterized in that, also comprises the linear slide that is connected to this group edge grippers.
CN200680047468XA 2005-12-16 2006-12-07 Method and apparatus for finishing a glass sheet Expired - Fee Related CN101331077B (en)

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US11/305,386 US20070138228A1 (en) 2005-12-16 2005-12-16 Method and apparatus for finishing a glass sheet
US11/305,386 2005-12-16
PCT/US2006/046813 WO2007078575A2 (en) 2005-12-16 2006-12-07 Method and apparatus for finishing a glass sheet

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CN101331077B true CN101331077B (en) 2012-07-04

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WO2007078575A2 (en) 2007-07-12
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EP1968875A2 (en) 2008-09-17
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TW200740708A (en) 2007-11-01
JP2009519881A (en) 2009-05-21

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