WO2009081637A1 - Dispositif et procédé de meulage de face de plaque de verre - Google Patents

Dispositif et procédé de meulage de face de plaque de verre Download PDF

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Publication number
WO2009081637A1
WO2009081637A1 PCT/JP2008/067808 JP2008067808W WO2009081637A1 WO 2009081637 A1 WO2009081637 A1 WO 2009081637A1 JP 2008067808 W JP2008067808 W JP 2008067808W WO 2009081637 A1 WO2009081637 A1 WO 2009081637A1
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WO
WIPO (PCT)
Prior art keywords
glass plate
grinding
end surface
grindstone
glass substrate
Prior art date
Application number
PCT/JP2008/067808
Other languages
English (en)
Japanese (ja)
Inventor
Teruyoshi Tanaka
Kouichi Kitajima
Yuji Takahashi
Naoki Nishimura
Original Assignee
Nippon Electric Glass 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
Priority claimed from JP2008160801A external-priority patent/JP5177520B2/ja
Application filed by Nippon Electric Glass Co., Ltd. filed Critical Nippon Electric Glass Co., Ltd.
Priority to KR1020107004066A priority Critical patent/KR101502903B1/ko
Priority to CN2008801223758A priority patent/CN101909818B/zh
Publication of WO2009081637A1 publication Critical patent/WO2009081637A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • 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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant

Definitions

  • the present invention relates to a glass plate end surface grinding apparatus and method, and more specifically, a rotating grindstone is brought into contact with the end surface of the glass plate, and the grindstone and the glass plate are joined to the end surface of the glass plate while supplying a grinding liquid to the contact portion. It is related with the technique which grinds the end surface of a glass plate by making it move relatively in the longitudinal direction of.
  • These glass substrates can be obtained as glass substrate products by performing a process of grinding the cut end surface after cutting the formed material glass into a rectangular shape and a predetermined size.
  • End grinding of this type of glass substrate is usually performed by moving the grindstone relative to the glass substrate in a direction along the end face while a rotating grindstone is in contact with the end face of the glass substrate. .
  • the grinding fluid is supplied to the grinding portion for the purpose of cooling the frictional portion or the contact portion (grinding portion) between the grindstone and the end surface of the glass substrate.
  • the grinding fluid supplied to the grinding part is also scattered on the surface of the glass substrate due to the grinding fluid supply direction, the rotation of the grinding stone, etc., and the chips contained in the scattered grinding fluid are By adhering to the surface of a glass substrate, the surface property of a glass substrate may deteriorate or the subsequent washing
  • Patent Document 1 a grindstone positioned vertically below the glass substrate on the surface on which the constituent elements of the plasma display panel are formed on the front and back surfaces of the glass substrate held substantially vertically and the constituent elements described above.
  • the grindstone is brought into contact with the fractured surface to be ground, and while the liquid is supplied to the grindstone, the held glass substrate is moved in the longitudinal direction of the fractured surface.
  • a method for grinding a cut section by rotating a grindstone is disclosed. JP 2005-317235 A
  • the shielding plate disclosed in Patent Document 1 has a flat shape, and is disposed in parallel to the end surface of the glass plate to be ground and a predetermined distance above.
  • the grinding fluid supplied to the contact portion between the grindstone and the end surface of the glass plate is scattered obliquely upward from the contact portion and reaches the shielding plate with the rotation of the grindstone and the relative movement of the glass plate.
  • most of the grinding fluid that has reached the shielding plate flows along the shielding plate in a direction parallel to the end face of the glass plate, and flows down by its own weight at a position where the flow velocity is lowered, and falls below the glass plate.
  • the grinding liquid passes through the gap between the shielding plate and the glass plate and the plane of the glass plate. Even if it is easy to enter the center side and the gas supply nozzle 23 as shown in FIG. 3 of the same document is provided, it is difficult to effectively suppress the penetration of the grinding liquid into the plane center side of the glass plate. . This tendency is particularly noticeable when the glass plate is processed in a horizontal posture. Further, this document does not particularly take into consideration the recovery of the grinding fluid supplied to the contact portion (grinding portion).
  • the present invention in the edge grinding process of the glass plate, it is possible to effectively suppress the grinding fluid from scattering to the flat surface of the glass plate and to efficiently collect the grinding fluid. As an objective.
  • this glass plate grinding apparatus includes a grinding wheel that grinds the end surface by contacting the end surface of the glass plate while rotating, and a grinding fluid supply unit that supplies a grinding fluid to a contact portion between the grindstone and the end surface of the glass plate.
  • the glass plate end surface grinding apparatus comprising a shielding plate for shielding the flat surface of the glass plate from the grinding liquid supplied to the contact portion, the shielding plate surrounds the contact portion from the plane center side of the glass plate And one end of the surrounding portion is characterized by a point extending from the contact portion on the front side in the rotation direction of the grindstone so as to intersect with the end surface of the glass plate.
  • the grinding fluid supplied to the contact portion contributes to the processing at the contact portion, it reaches the surrounding portion surrounding the contact portion, and along the surrounding portion, the grindstone is more than the contact portion. It is induced
  • the surrounding portion preferably has a curved shape along the outer peripheral surface of the grindstone in a plan view with respect to the plane of the glass plate.
  • the grinding liquid reaching the surrounding part can be smoothly guided along the rotation direction of the grindstone, and the above-described effect can be enhanced.
  • the surrounding portion may be configured to be positioned on one side of the glass plate or may be configured to be positioned on both sides thereof.
  • the shielding plate By arranging the shielding plate so that the surrounding portion is positioned on both sides of the glass plate, the above-described action by the surrounding portion can be obtained on both sides of the glass plate. Therefore, the glass plate obtained by the grinding apparatus can be widely provided as a glass substrate for various image display devices such as a high-definition liquid crystal display and a plasma display.
  • the surrounding part when configured to be located on both sides of the glass plate, the surrounding part preferably has a slit for inserting a part including the end face of the glass plate.
  • a purge nozzle that injects a purge fluid may be disposed at a position opposite to the grindstone with the surrounding portion interposed therebetween. In this case, the purge fluid is supplied to the gap between the surrounding portion and the glass plate.
  • the grinding liquid that attempts to enter the plane center side of the glass plate through the gap between the surrounding portion and the glass plate is pushed back toward the grindstone by the purge fluid ejected from the purge nozzle. Therefore, it is possible to more effectively prevent the grinding liquid from adhering to the plane center side of the glass plate.
  • the “purge fluid” includes a liquid such as water and a gas such as air, but the grinding fluid which tries to enter the plane center side of the glass plate through the gap between the surrounding portion and the glass plate. From the viewpoint of applying a pressure sufficient to push back to the grindstone side, a liquid such as water is more preferable. The pressure may be appropriately set according to the supply amount of the grinding fluid.
  • the installation angle of the purge nozzle is set so that the purge fluid reaches the glass plate through the gap between the surrounding portion and the glass plate.
  • the grinding fluid can be pushed back by the purge fluid at a position closer to the grindstone than the gap between the shielding plate and the glass plate, and the grinding fluid passes through the gap on the plane of the glass plate. The situation of entering the center side can be more effectively prevented.
  • the purge nozzle can be arranged on one side of the glass plate as well as the surrounding portion of the shielding plate, and can also be arranged on both sides thereof.
  • the shielding plate having the surrounding portion and the purge nozzle may be unitized.
  • the unit can be removed while maintaining the positional relationship between the shielding plate and the purge nozzle even when the end face grinding device is disassembled for exchanging the grindstone. Therefore, it is only necessary to adjust the positional relationship between the grindstone and the unit at the time of reassembly after exchanging the grindstone, and the time required for exchanging the grindstone can be shortened.
  • the grinding fluid supply unit can also be unitized. That is, the shielding plate, the grinding fluid supply unit, and the purge nozzle may be unitized.
  • the end face grinding apparatus for a glass plate according to the above configuration further includes a housing for accommodating at least a grindstone and a grinding fluid supply unit, and the housing passes a part of the glass plate through a predetermined end face, It is preferable to have an opening for allowing the end face to contact the grindstone.
  • the grindstone is covered with the housing except for the opening on the glass plate insertion side. Therefore, in combination with the above action by the shielding plate or the purge nozzle, it is possible to more reliably prevent the grinding liquid from scattering toward the center of the glass plate plane. Further, since the grindstone and the grinding fluid supply unit are covered with the housing, the grinding fluid guided in the direction away from the glass plate by the surrounding portion can be collected without leakage.
  • the glass plate end surface grinding apparatus is particularly suitable when the glass plate is processed in a horizontal posture.
  • this glass plate grinding method is a method of grinding the end surface by contacting the end surface of the glass plate while rotating the grindstone, and supplying the grinding liquid to the contact portion between the grindstone and the end surface of the glass plate.
  • the shielding plate includes the contact portion of the glass plate.
  • an end portion of the surrounding portion is characterized in that it extends across the end surface on the front side in the rotational direction of the grindstone from the contact portion.
  • a purge nozzle for injecting a purge fluid is disposed at a position opposite to the grindstone across the surrounding portion, and the purge fluid is supplied to the gap between the shielding plate and the glass plate. It is preferable.
  • the scattering of the grinding water to the plane of the glass plate is suppressed as much as possible. Therefore, the surface property of the glass plate can be improved, and the display elements for various image display devices such as a liquid crystal display and a plasma display can be made high definition. Moreover, efficient collection
  • recovery of a grinding fluid can be aimed at.
  • the glass substrate end surface grinding apparatus 1 is an apparatus for grinding the end surface 2a (cut surface) of the glass substrate 2 cut out from the green glass after forming, and has a horizontal posture. Are arranged on one side (or both sides) of the glass substrate 2 conveyed in a predetermined direction.
  • the end surface grinding apparatus 1 includes a grindstone 3 that grinds the end surface 2a along one side in the conveyance direction of the glass substrate 2 with rotation, and a contact portion (grinding portion) 4 between the grindstone 3 and the glass substrate 2.
  • a grinding fluid that is disposed on the rear side in the rotational direction of the grindstone 3 (in the region on the right side of the contact portion 4 in FIG.
  • a supply nozzle 5, a shielding plate 6 and a purge nozzle 7 described later are provided.
  • the above-described components (the grindstone 3, the grinding fluid supply nozzle 5, the shielding plate 6, and the purge nozzle 7) are accommodated in a substantially rectangular housing 8 and provided on one end face of the housing 8.
  • the opening 8 a is configured such that a part of the glass substrate 2 can be inserted into the housing 8 and the end surface 2 a related to a part of the inserted glass substrate 2 can be brought into contact with the outer peripheral surface of the grindstone 3.
  • the grindstone 3 is configured to rotate around an axis parallel to an axis orthogonal to the plane of the glass substrate 2, and the rotation direction of the grindstone (contact portion 4) of the glass substrate 2 is to transport the glass substrate 2.
  • the direction is opposite to the direction (counterclockwise direction in FIG. 1).
  • the outer peripheral surface 3a of the grindstone 3 serving as a grinding surface has a substantially concave arc-shaped cross-sectional contour so that both edges of the end surface 2a of the glass substrate 2 can be rounded at a time. It is configured.
  • the grinding fluid supply nozzle 5 is configured to supply the grinding fluid toward the contact portion 4 from the rear side in the rotation direction of the grinding stone 3 with reference to the contact portion 4 between the glass substrate 2 and the grinding stone 3.
  • the shielding plate 6 has a portion formed in a curved shape along the longitudinal direction, for example, a substantially arc shape (including an arc shape). It becomes the surrounding part 9 which surrounds the circumference
  • the surrounding portion 9 has a substantially arc shape along the outer peripheral surface 3a of the grindstone 3 as shown in FIG. 1 in a state where the plane of the glass substrate 2 is viewed in plan view, and is along the longitudinal direction thereof.
  • a slit 10 having a constant width dimension.
  • the surrounding portion 9 is more glass substrate 2 than the contact portion 4 as shown in FIG. It is arrange
  • a shielding plate 6 is fixed to the housing 8.
  • the surrounding portion 9 having the above-described configuration is disposed on both the front and back plane sides of the glass substrate 2.
  • the width dimension of the slit 10 it is necessary to have at least a size that allows the glass substrate 2 to be inserted as described above. If possible, the flutter of the glass substrate 2 during grinding (amplitude in the plate thickness direction) is taken into consideration. It is preferable to set the width dimension.
  • the purge nozzle 7 is configured as a nozzle unit formed by integrating a plurality of nozzle openings 11, and is located at a position opposite to the grindstone 3 with the shielding plate 6 interposed therebetween. It is arranged.
  • the purge nozzle 7 similarly to the shielding plate 6, the purge nozzle 7 has a slit for inserting the glass substrate 2, and a pair of inclined surfaces 12, 12 facing each other with the slit interposed therebetween is provided with each of the inclined surfaces 12, 12.
  • a plurality of nozzle openings 11 are arranged in a line along the longitudinal direction. Further, these nozzle openings 11 are arranged so as to be uniformly oriented in the same direction.
  • the purge water sprayed from the plurality of nozzle openings 11 is used.
  • (For example, pure water) 13 forms a curtain-like water wall between the plurality of nozzle openings 11 and the plane of the glass substrate 2.
  • the width dimension of the slit provided in the purge nozzle 7 should be set in accordance with the thickness of the glass substrate 2 to be inserted, and preferably the glass substrate at the time of grinding, like the slit 10 of the shielding plate 6. It is desirable to set the degree of flutter of 2 in consideration.
  • each nozzle opening 11 has the purge water 13 injected from the nozzle opening 11.
  • the glass substrate 2 and the shielding plate 6 in contact with the grindstone 3 are directed to be supplied to the gap.
  • the incident angle ⁇ 1 of the purge water 13 sprayed from the nozzle opening 11 with respect to the plane of the glass substrate 2 is 10 degrees or more and 45 degrees or less, and more preferably, the incident angle ⁇ 1 is 25.
  • the attachment angle of the purge nozzle 7 or the formation angle of the nozzle opening 11 is set so that the angle is 35 degrees or more and 35 degrees or less.
  • the nozzle opening 11 of the purge nozzle 7 is installed so that the purge water 13 reaches the plane of the glass substrate 2 through the gap between the surrounding portion 9 and the glass substrate 2. It is preferable that an angle is set.
  • each nozzle opening 11 has a purge water 13 jetted from the nozzle opening 11. Is oriented so as to cross the unground portion of the end surface 2a of the glass substrate 2 in contact with the grindstone 3 obliquely toward the grindstone 3.
  • the angle ⁇ 2 formed by the ejection direction of the purge water 13 ejected from the nozzle opening 11 and the tangential direction V at the contact portion 4 of the grindstone 3 is 90 degrees.
  • the directivity angle of the nozzle opening 11 is set so as to be more than 180 degrees.
  • FIGS. 7 is a plan view of a main part for explaining the action focusing on the action of the shielding plate 6, and FIG. 8 is a main part for explaining the action focusing on the action of the purge nozzle 7. A plan view is shown.
  • the grinding liquid (indicated by a thick arrow in the figure) supplied toward the vicinity of the contact portion 4 reaches the contact portion 4 and then around it. Scattered towards.
  • the contact portion 4 is surrounded by the surrounding portion 9 provided on the shielding plate 6, the grinding fluid scattered around the contact portion 4 is more along the surrounding portion 9 than the contact portion 4. Is guided to a position exceeding the crossing position with the end surface 2a of the glass substrate 2 on the front side in the rotation direction.
  • the grinding fluid flows in a direction away from the plane center side of the glass substrate 2 along the surrounding portion 9 and is guided to a position exceeding the end surface 2 a of the glass substrate 2. The Thereby, it is effectively prevented that the grinding fluid scattered at the contact portion 4 flows to the plane center side of the glass substrate 2 and adheres to the plane center side. In addition, since the grinding fluid is given flow direction by the surrounding portion 9, the grinding fluid is efficiently recovered.
  • the surrounding part 9 is formed in the substantially circular arc shape along the outer peripheral surface 3a of the grindstone 3 like this embodiment, the grinding fluid which reached the surrounding part 9 will be smoothly along the rotation direction of the grindstone 3.
  • the above effects can be enhanced.
  • a flow path having a substantially constant radial distance is formed between the surrounding portion 9 and the grindstone 3, and this also causes the grinding liquid to flow. Sending is performed smoothly.
  • the purge water 13 injected from the purge nozzle 7 (nozzle opening thereof) is seen from the contact portion 4 from the oblique front side and the shielding plate 6 and the glass. It is supplied to the gap with the substrate 2. Therefore, the grinding fluid that tries to enter the plane of the glass substrate 2 through the gap between the surrounding portion 9 and the glass substrate 2 is pushed back toward the grindstone 3 by the purge water 13. In addition, the grinding fluid scattered from the contact portion 4 to the front side in the rotation direction of the grindstone 3 is weakened in the direction of the scattering direction, and is changed in the scattering direction (flow direction) to be guided away from the glass substrate 2. .
  • the grinding liquid acts to push the grinding liquid guided in the direction away from the glass substrate 2 by the surrounding portion 9 in the direction of promoting the guidance by the surrounding portion 9.
  • the grinding liquid is prevented from entering the center of the plane of the glass substrate 2 through the gap between the shielding plate 6 and the glass substrate 2, and the grinding liquid is passed through the gap between the shielding plate 6 and the glass substrate 2. It is possible to prevent leakage to the outside.
  • the grindstone 3 is covered with the housing 8 except for the opening 8 a on the insertion side of the glass substrate 2. Accordingly, the shielding action by the shielding plate 6 and the purging action (discharge action) by the purge nozzle 7 synergize with each other, so that not only the grinding liquid leaks out to the center of the plane of the glass substrate 2 but also the housing 8. Leakage of the grinding fluid to the outside is prevented as much as possible. Further, the grinding liquid that has escaped in the direction away from the glass substrate 2 by the surrounding portion 9 can be recovered without leakage. As a result, for example, the possibility that minute glass particles and abrasive grain residues that are difficult to detect in the inspection process after the grinding process remain adhered to the plane of the glass plate is as close to zero as possible. High definition can be achieved.
  • the shape of the surrounding portion 9 is partially curved in a substantially arc shape, but is not particularly limited thereto. As long as it has a function as the surrounding part 9, the shape is arbitrary. For example, although illustration is omitted, the surrounding portion 9 may have a curved shape other than an arc shape, or may partially include a flat surface. Or not only the shape along the said longitudinal direction but the shape which curves along the direction (thickness direction of the glass substrate 2) orthogonal to this may be made.
  • the arrangement mode of the nozzle openings 11 formed in the purge nozzle 7 it is not necessary that all the nozzle openings 11 are arranged on the glass substrate 2, and some of the plurality of nozzle openings 11 arranged in parallel are arranged.
  • the glass substrate 2 may be disposed on the grindstone 3 side with the end surface 2a as a boundary.
  • the several nozzle opening part 11 was arrange
  • the shape of the nozzle opening 11 is not limited to the round hole shape, and may be a slit shape, for example.
  • the shielding plate 6 and the purge nozzle 7 which are separately formed and arranged are integrated.
  • the corners on the grindstone 3 side of the slit 10 provided in the shielding plate 6 are chamfered, and a plurality of nozzle openings 11 shown in FIG. 3 are chamfered along the slit longitudinal direction, for example.
  • a configuration in which these are arranged in parallel is an example of the integration (unitization).
  • the attachment parts to the housing 8 can be integrated into one part, so that the attachment accuracy to the housing 8 is improved.
  • the shielding plate 6 and the purge nozzle 7 can be integrated with the housing 8, respectively.
  • FIG. 9 shows another configuration example of the unitization, and specifically shows a perspective view of the grinding fluid scattering prevention unit 20 in which the shielding plate, the grinding fluid supply nozzle, and the purge nozzle are unitized.
  • FIG. 10 is a plan view of the main part of an end surface grinding apparatus in which the grinding fluid scattering prevention unit 20 is incorporated.
  • the grinding fluid scattering prevention unit 20 is formed in a substantially box shape integrally including the shielding plate 6 shown in FIG. 2, and a surrounding portion 9 ′ provided on a side surface thereof is vertically divided by a slit 10 ′. Eggplant.
  • the grinding fluid scattering prevention unit 20 has one end extending so as to intersect with the end surface 2a of the glass substrate 2 on the front side in the rotation direction of the grindstone 3 with respect to the contact portion 4 (a region on the left side of the contact portion 4 in FIG. 10). Is fixed to the housing 8 having the shape shown in FIG. Further, a plurality of nozzle openings 11 ′ are arranged on the opposite side of the surrounding portion 9 ′ from the grindstone 3 (see FIG. 10), and purge water is directed toward the plane of the glass substrate 2 during grinding.
  • the grinding fluid supply nozzle 5 ′ is integrally disposed on the upper portion of the grinding fluid scattering prevention unit 20, but instead, the grinding fluid supply nozzle 5 ′ can be disposed on the lower portion. Alternatively, it can be arranged on both the upper part and the lower part.
  • the grindstone 3 when the grindstone 3 is replaced, the grindstone 3 can be replaced only by detaching the grinding fluid scattering prevention unit 20.
  • the time required for exchanging the grindstone 3 is shortened.
  • the shielding board 6 and the purge nozzle 7 are arrange
  • One or both of the shielding plate 6 and the purge nozzle 7 may be disposed only on the upper surface side.
  • the end surface grinding apparatus 1 of the glass substrate which concerns on the above description is arrange
  • the end face grinding apparatus 1 can be configured to be movable in a direction orthogonal to the transport direction so that the same end face grinding apparatus 1 can cope with a size change of the glass substrate 2 or the like.
  • only specific components such as the grindstone 3 can be configured to be relatively movable in the conveyance orthogonal direction within the housing 8.
  • the conveyance means may be comprised by conveyance means, such as a belt conveyor.
  • the glass substrate 2 may be configured to be fixed at a predetermined position of an element (for example, a belt) constituting the conveying means by vacuum suction or the like.
  • the configuration thereof is arbitrary.
  • the glass substrate 2 is fixed, and the end face grinding apparatus 1 for the glass plate including the grindstone 3 is used as the glass substrate. It is also possible to configure so as to be movable along the two arrangement directions.
  • the glass plate grinding apparatus and method according to the present invention include a glass substrate for a liquid crystal display, High surface accuracy is required, such as glass substrates for various image display devices such as plasma displays, electroluminescence displays, field emission displays, and glass substrates used as substrates for forming various electronic display functional elements and thin films. It can also be suitably used when grinding the end face of the glass plate to be used.
  • FIG. 2 is a cross-sectional view of the main part AA of the glass substrate grinding apparatus shown in FIG. It is a principal part expanded sectional view of the grinding device explaining the directivity aspect in the perpendicular direction of a purge nozzle. It is a principal part enlarged plan view of a grinding device explaining the directing mode of a purge nozzle in the state where planarly viewed a glass substrate.

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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)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

La présente invention concerne un procédé de meulage d'une face d'extrémité d'une plaque de verre. Grâce audit procédé, un fluide de meulage est efficacement empêché d'être dispersé sur le plan de la plaque de verre et le fluide de meulage est efficacement récupéré. Une plaque de protection (6) comprend une partie de confinement (9) destinée à entourer une partie de contact (4) à partir d'un côté central du plan d'un substrat de verre (2). Une extrémité de la partie de confinement (9) s'étend en traversant une face d'extrémité (2a) du substrat de verre (2) sur le côté avant dans la direction de rotation d'une meule (3). Une buse de purge (7) est disposée sur le côté opposé de la plaque de protection (6) par rapport à la meule (3). Dans la buse de purge (7), des ouvertures destinées à éjecter de l'eau de purge (13) pour empêcher le fluide de meulage d'entrer dans le plan du substrat de verre (2) à travers un espace entre la plaque de protection (6) et le substrat de verre (2) sont agencées en ligne.
PCT/JP2008/067808 2007-12-25 2008-10-01 Dispositif et procédé de meulage de face de plaque de verre WO2009081637A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020107004066A KR101502903B1 (ko) 2007-12-25 2008-10-01 유리판의 단면 연삭 장치 및 그 방법
CN2008801223758A CN101909818B (zh) 2007-12-25 2008-10-01 玻璃板的端面磨削装置及其方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007332460 2007-12-25
JP2007-332460 2007-12-25
JP2008160801A JP5177520B2 (ja) 2007-12-25 2008-06-19 ガラス板の端面研削装置およびその方法
JP2008-160801 2008-06-19

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
US20130052921A1 (en) * 2011-08-29 2013-02-28 Daniel Burgard Apparatus and method employing a grinder wheel coolant guard
CN103170884A (zh) * 2013-04-02 2013-06-26 深圳市华星光电技术有限公司 显示面板的玻璃基板磨边方法
CN104084886A (zh) * 2014-06-24 2014-10-08 卢世清 一种防尘砂轮机
WO2016059389A1 (fr) * 2014-10-14 2016-04-21 Pilkington Group Limited Appareil et procédé de meulage d'un bord, et vitrage présentant un bord rodé

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JP2003266306A (ja) * 2002-03-13 2003-09-24 Bando Kiko Co Ltd ガラス板の研削方法及びその装置
JP2006346803A (ja) * 2005-06-15 2006-12-28 Sanyo Electric Co Ltd 基板研磨装置
JP2007030051A (ja) * 2005-07-22 2007-02-08 Shiraitekku:Kk 研磨装置
JP2007165488A (ja) * 2005-12-12 2007-06-28 Ses Co Ltd ベベル処理方法及びベベル処理装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003266306A (ja) * 2002-03-13 2003-09-24 Bando Kiko Co Ltd ガラス板の研削方法及びその装置
JP2006346803A (ja) * 2005-06-15 2006-12-28 Sanyo Electric Co Ltd 基板研磨装置
JP2007030051A (ja) * 2005-07-22 2007-02-08 Shiraitekku:Kk 研磨装置
JP2007165488A (ja) * 2005-12-12 2007-06-28 Ses Co Ltd ベベル処理方法及びベベル処理装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130052921A1 (en) * 2011-08-29 2013-02-28 Daniel Burgard Apparatus and method employing a grinder wheel coolant guard
US9573239B2 (en) * 2011-08-29 2017-02-21 First Solar, Inc. Apparatus and method employing a grinder wheel coolant guard
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US10265832B2 (en) 2014-10-14 2019-04-23 Pilkington Group Limited Apparatus and a process for grinding an edge and a glazing having a ground edge

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