JP5193141B2 - Break unit and break method - Google Patents

Break unit and break method Download PDF

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JP5193141B2
JP5193141B2 JP2009170112A JP2009170112A JP5193141B2 JP 5193141 B2 JP5193141 B2 JP 5193141B2 JP 2009170112 A JP2009170112 A JP 2009170112A JP 2009170112 A JP2009170112 A JP 2009170112A JP 5193141 B2 JP5193141 B2 JP 5193141B2
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break
elastic members
brittle material
material substrate
duct
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JP2011026136A (en
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康智 岡島
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Mitsuboshi Diamond Industrial Co Ltd
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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

Description

本発明はスクライブラインが形成された脆性材料基板をスクライブラインに沿って分断するためのブレイクユニット及びブレイク方法に関するものである。   The present invention relates to a break unit and a break method for dividing a brittle material substrate on which a scribe line is formed along the scribe line.

従来のガラス基板等の脆性材料基板をスクライブラインに沿って分断する場合には、例えば図１に側面図を示すように、上端のエッジ１ａが約９０°の角度を要するブレイクバー１をスクライブラインが形成された脆性材料基板の裏面よりスクライブラインの真下のラインに合わせて衝撃的に当接させる。こうすることによって脆性材料基板に亀裂が入り、スクライブラインに沿って分断することができる。（特許文献１参照）   When a conventional brittle material substrate such as a glass substrate is cut along a scribe line, for example, as shown in a side view in FIG. 1, the break bar 1 whose upper edge 1a requires an angle of about 90 ° is inserted into the scribe line. Is made to impact-contact with the line directly below the scribe line from the back surface of the brittle material substrate on which the is formed. By doing so, the brittle material substrate is cracked and can be divided along the scribe line. (See Patent Document 1)

特開２００２−１０３２９５号公報JP 2002-103295 A

しかるにこのようなブレイク方法によれば、分断の支点は図１のエッジ１ａで示される点を含む紙面に垂直の１本のラインである。そのため脆性材料基板が基板２ａ，２ｂに分断されるときにブレイクバー１の上端のエッジ１ａが接触する脆性材料基板の角の部分に互いに押し合う力が加わるため、角の部分で欠けが生じたり多くのカレットが飛散し易い。そのため分断後にカレットを除去する必要があった。又分断中はカレットを除去できないので飛散したカレットが脆性材料基板に損傷を与えることがあり、不良品が出やすいという問題点があった。   However, according to such a breaking method, the fulcrum of division is one line perpendicular to the paper surface including the point indicated by the edge 1a in FIG. For this reason, when the brittle material substrate is divided into the substrates 2a and 2b, a force is applied to the corner portion of the brittle material substrate with which the upper edge 1a of the break bar 1 comes into contact. Many cullets are easily scattered. Therefore, it was necessary to remove the cullet after dividing. Moreover, since the cullet cannot be removed during the cutting, the scattered cullet may damage the brittle material substrate, and there is a problem that defective products are likely to be produced.

本発明はこのような従来の問題点に着目してなされたものであって、ブレイク時に端部が互いに接触しないようにしてカレットを少なくすると共に、飛散したカレットが脆性材料基板に影響を与えないブレイクユニット及びブレイク方法を提供することを目的とする。   The present invention has been made paying attention to such conventional problems, and reduces the cullet by preventing the ends from contacting each other at the time of break, and the scattered cullet does not affect the brittle material substrate. It is an object to provide a break unit and a break method.

この課題を解決するために、本発明のブレイクユニットは、ブレイクバーと押さえ部材とを有するブレイクユニットであって、前記ブレイクバーは、上端に直線状のエッジ部を有し、所定の間隔を隔てて配置された第１，第２のブレイク刃と、前記第１のブレイク刃の側面に、前記第２のブレイク刃と対称な位置に貼り付けられた第１の弾性部材と、前記第２のブレイク刃の側面に、前記第１のブレイク刃と対称な位置に貼り付けられた第２の弾性部材と、上面に前記第１，第２のブレイク刃及び第１，第２の弾性部材が取り付けられ、前記第１，第２のブレイク刃の間の空隙に通じる少なくとも１つの貫通孔が形成された下部ダクトと、を具備し、前記第１，第２の弾性部材の高さを前記ブレイク刃のエッジ部よりも高くしたものであり、前記押さえ部材は、下面に中央に長手方向に沿った貫通孔を有する上部ダクトと、前記上部ダクトの下面に一定間隔を隔てて平行に取り付けられた直方体状の第３，第４の弾性部材と、を有するものである。   In order to solve this problem, the break unit of the present invention is a break unit having a break bar and a pressing member, and the break bar has a linear edge portion at an upper end, and is spaced at a predetermined interval. The first and second break blades, the first elastic member attached to the side of the first break blade at a position symmetrical to the second break blade, and the second A second elastic member attached to a side surface of the break blade at a position symmetrical to the first break blade, and the first and second break blades and the first and second elastic members are attached to the upper surface. A lower duct formed with at least one through hole communicating with the gap between the first and second break blades, and the height of the first and second elastic members is set to the break blade It is higher than the edge part of The holding member includes an upper duct having a through hole extending in the longitudinal direction in the center on the lower surface, and rectangular parallelepiped third and fourth elastic members attached in parallel to the lower surface of the upper duct at regular intervals. , Has.

この課題を解決するために、本発明のブレイク方法は、前述したブレイクユニットを用い、一方の面にスクライブラインが形成された脆性材料基板を前記スクライブラインに沿ってブレイクするブレイク方法であって、前記脆性材料基板のスクライブラインが形成されていない面を前記第１，第２の弾性部材に接触させ、前記第１，第２のブレイク刃のエッジの中間のラインにスクライブラインが位置するようにブレイクバーの刃先を位置決めし、前記第３，第４の弾性部材が前記脆性材料基板を介して夫々前記第１，第２の弾性部材の上部に位置するように前記押さえ部材を位置決めし、前記ブレイクバーを脆性材料基板に押しつけることにより前記第１，第２及び第３，第４の弾性部材を変形させ、前記第１，第２のブレイク刃の夫々のエッジを支点としてブレイクし、前記脆性材料基板の分断時に生じるカレットを前記第１，第２の弾性部材の間を介してブレイクバーの下部ダクトに吸引すると共に、前記第３，第４の弾性部材の間を介して前記上部ダクトに吸引して除去するものである。   In order to solve this problem, the breaking method of the present invention is a breaking method in which a brittle material substrate having a scribe line formed on one surface is broken along the scribe line using the break unit described above, The surface of the brittle material substrate on which the scribe line is not formed is brought into contact with the first and second elastic members so that the scribe line is positioned at an intermediate line between the edges of the first and second break blades. Positioning the cutting edge of the break bar, positioning the pressing member so that the third and fourth elastic members are located above the first and second elastic members via the brittle material substrate, The first, second, third, and fourth elastic members are deformed by pressing a break bar against the brittle material substrate, and each of the first and second break blades is deformed. And a cullet that is generated when the brittle material substrate is divided is sucked into the lower duct of the break bar through the first and second elastic members, and the third and fourth elasticities. The upper duct is sucked and removed through the space between the members.

このような特徴を有する本発明によれば、このブレイクバーを用いてスクライブする際には脆性材料基板が弾性部材に保持され、ブレイクバーを押圧することによってブレイク刃の２つのエッジ部が脆性材料基板の面に夫々当接し、エッジ部が支点となって夫々回動してスクライブラインに沿ってブレイクされる。このとき分断した部分は互いに押し合うことがないので、カレットが生じにくい。又分断したときに飛散したカレットを上部及び下部のダクトより吸引して排出することができる。従って脆性材料基板の面にカレットが残ることがなく、製品の歩留りを向上させることができる。   According to the present invention having such a feature, the brittle material substrate is held by the elastic member when scribing using the break bar, and the two edges of the break blade are made brittle by pressing the break bar. Each is in contact with the surface of the substrate, and the edge portion is turned as a fulcrum to break along the scribe line. At this time, the divided portions do not press each other, so that cullet is hardly generated. In addition, the cullet scattered when divided can be sucked and discharged from the upper and lower ducts. Therefore, no cullet is left on the surface of the brittle material substrate, and the yield of products can be improved.

図１は従来のブレイクバーを用いて脆性材料基板を分断する状態を示す概略図である。FIG. 1 is a schematic view showing a state in which a brittle material substrate is divided using a conventional break bar. 図２は本発明の第１の実施の形態によるブレイクユニットの断面図である。FIG. 2 is a sectional view of the break unit according to the first embodiment of the present invention. 図３Ａは本発明の第１の実施の形態によるブレイクバーの斜視図である。FIG. 3A is a perspective view of the break bar according to the first embodiment of the present invention. 図３Ｂは本発明の第１の実施の形態によるブレイクバーの平面図である。FIG. 3B is a plan view of the break bar according to the first embodiment of the present invention. 図４は本発明の第１の実施の形態による押さえ部材の斜視図である。FIG. 4 is a perspective view of the pressing member according to the first embodiment of the present invention. 図５Ａは第１の実施の形態によるブレイクユニットを用いてブレイクする直前の状態を示す図である。FIG. 5A is a diagram illustrating a state immediately before the break is performed using the break unit according to the first embodiment. 図５Ｂは第１の実施の形態によるブレイクユニットによるブレイク後の状態を示す図である。FIG. 5B is a diagram illustrating a state after the break by the break unit according to the first embodiment. 図６は本発明の第２の実施の形態によるブレイクバーの斜視図である。FIG. 6 is a perspective view of a break bar according to the second embodiment of the present invention.

図２は本発明の第１の実施の形態によるブレイクユニットの詳細を示す断面図である。本図に示すようにブレイクユニットはブレイクバー１０とその上部の押さえ部材２０を有している。図３Ａはブレイクバー１０の斜視図、図３Ｂはその平面図である。ブレイクバー１０は中央に金属製の直方体状のブレイクバー本体部１１とその側方に設けられた第１，第２の弾性部材１２，１３、及びその下方に設けられた角筒状の下部ダクト１４を有している。下部ダクト１４は両端面が閉じられており、一端にはダクト内部から空気を排出するための排出パイプ１５が設けられる。ブレイクバー本体部１１は上面に長手方向の中心に一定の幅及び深さを有する溝１６を有し、左右に第１，第２のブレイク刃１７，１８が対称に形成されている。一対のブレイク刃１７，１８の上端は図３Ａ，図３Ｂに示すように直線状のエッジ部となっており、夫々同一の高さを有する。又図２，図３Ｂに示すようにブレイクバー本体部１１の溝１６の底面から下部ダクト１４に向けて複数の貫通孔１１ａ，１１ｂ，１１ｃ，１１ｅ，１１ｆが垂直に形成され、これと連通してダクト１４に貫通孔１４ａ，１４ｂ，１４ｃ，１４ｄ．１４ｅ．１４ｆが形成されている。溝１６の幅はブレイクしようとする脆性材料基板のスクライブラインのピッチに合わせて選択してもよい。さて第１，第２の弾性部材１２，１３の高さはブレイク刃１７，１８の上端のエッジ部よりもわずかに高いものとする。   FIG. 2 is a sectional view showing details of the break unit according to the first embodiment of the present invention. As shown in the figure, the break unit has a break bar 10 and a pressing member 20 on the upper part thereof. 3A is a perspective view of the break bar 10, and FIG. 3B is a plan view thereof. The break bar 10 includes a metal rectangular break bar main body 11 at the center, first and second elastic members 12 and 13 provided on the sides thereof, and a rectangular tube-shaped lower duct provided below the break bar body 11. 14. Both ends of the lower duct 14 are closed, and a discharge pipe 15 for discharging air from the inside of the duct is provided at one end. The break bar main body 11 has a groove 16 having a constant width and depth at the center in the longitudinal direction on the upper surface, and first and second break blades 17 and 18 are formed symmetrically on the left and right. The upper ends of the pair of break blades 17 and 18 are linear edge portions as shown in FIGS. 3A and 3B, and have the same height. As shown in FIGS. 2 and 3B, a plurality of through holes 11a, 11b, 11c, 11e, and 11f are formed vertically from the bottom surface of the groove 16 of the break bar main body 11 toward the lower duct 14, and communicated therewith. Through holes 14a, 14b, 14c, 14d. 14e. 14f is formed. The width of the groove 16 may be selected according to the pitch of the scribe lines of the brittle material substrate to be broken. The heights of the first and second elastic members 12 and 13 are slightly higher than the edge portions at the upper ends of the break blades 17 and 18.

一方押さえ部材２０はブレイク時に上部より脆性材料基板を押さえるものであり、図４に下からの斜視図を示す。押さえ部材２０は、角筒状の上部ダクト２１を有している。上部ダクト２１は例えばブレイクバー１０の下部ダクト１４とほぼ同一の大きさの投影面積を有し、両端面が閉じられており、一端にはダクト内部から空気を排出するための排出パイプ２２が設けられる。上部ダクト２１の下面には長手方向に対称に第３，第４の弾性部材２３，２４が平行に取り付けられる。弾性部材２３，２４はブレイクバー１０の左右に設けた弾性部材１２，１３に対応しており、その下面は平面とする。上部ダクト２１の下面の弾性部材２３，２４が取り付けられていない中央部には、図４に示すように長手方向に所定間隔で複数の貫通孔２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅ，２１ｆが設けられている。   On the other hand, the pressing member 20 presses the brittle material substrate from the top during the break, and FIG. 4 shows a perspective view from below. The holding member 20 has a rectangular tube-shaped upper duct 21. The upper duct 21 has, for example, a projected area that is almost the same size as the lower duct 14 of the break bar 10, both end surfaces are closed, and a discharge pipe 22 for discharging air from the inside of the duct is provided at one end. It is done. Third and fourth elastic members 23 and 24 are attached in parallel to the lower surface of the upper duct 21 symmetrically in the longitudinal direction. The elastic members 23 and 24 correspond to the elastic members 12 and 13 provided on the left and right sides of the break bar 10, and the lower surfaces thereof are flat. As shown in FIG. 4, a plurality of through holes 21a, 21b, 21c, 21d, 21e, and 21f are provided at predetermined intervals in the longitudinal direction in the center of the lower surface of the upper duct 21 where the elastic members 23 and 24 are not attached. It has been.

ブレイクバー１１の排出パイプ１５及び押さえ部材２０の排出パイプ２２にはブレイク時に発生するカレットを吸引するための図示しないポンプが設けられているものとする。   It is assumed that the discharge pipe 15 of the break bar 11 and the discharge pipe 22 of the pressing member 20 are provided with a pump (not shown) for sucking cullet generated during the break.

次にブレイクバー１０と押さえ部材２０を用いたブレイク方法について、図５Ａ，図５Ｂを用いて説明する。まず脆性材料基板、例えばガラス板３０に所定の方法でスクライブラインＳを形成する。そして図５Ａに示すように、上から見たときにスクライブラインＳの真下のラインが前述したブレイクバー１０の中央の溝１６の中心のラインに重なるように弾性部材１２，１３の上にガラス板３０を配置する。このときにはブレイク刃１７，１８のエッジはガラス板３０の下面には接触していない。そしてガラス板３０の上部より、上から見たときにブレイクバー１０と押さえ部材２０が重なるように押さえ部材２０を配置し固定する。   Next, a breaking method using the break bar 10 and the pressing member 20 will be described with reference to FIGS. 5A and 5B. First, a scribe line S is formed on a brittle material substrate, for example, a glass plate 30 by a predetermined method. As shown in FIG. 5A, when viewed from above, the glass plate is placed on the elastic members 12 and 13 so that the line directly below the scribe line S overlaps the center line of the central groove 16 of the break bar 10 described above. 30 is arranged. At this time, the edges of the break blades 17 and 18 are not in contact with the lower surface of the glass plate 30. Then, the pressing member 20 is arranged and fixed so that the break bar 10 and the pressing member 20 overlap when viewed from above from above the glass plate 30.

そして図５Ｂに示すようにブレイクバー１０を下から押し上げる。これに代えて押さえ部材２０を下方に押し下げてもよい。こうすればブレイク刃１７，１８の先端のエッジ部がガラス板３０に当接するまで弾性部材１２，１３や上部の弾性部材２３，２４が左右でバランスを保って変形し、夫々のエッジ部が支点となってガラス板３０に矢印状の圧力が加わる。このとき左右に押し開かれてスクライブラインＳに沿ってガラス板３０が分断される。従って従来のブレイクの場合と異なり、スクライブラインＳの真下の部分で互いに押し合う力が加わらず、欠けが生じずカレットも少なくなる。   Then, as shown in FIG. 5B, the break bar 10 is pushed up from below. Instead of this, the pressing member 20 may be pushed downward. In this way, the elastic members 12, 13 and the upper elastic members 23, 24 are deformed in a balanced manner on the left and right until the edge portions at the tips of the break blades 17, 18 abut against the glass plate 30, and the respective edge portions are fulcrums. The arrow-like pressure is applied to the glass plate 30. At this time, the glass plate 30 is cut along the scribe line S by being pushed open to the left and right. Therefore, unlike the case of the conventional break, the force for pressing each other at the portion immediately below the scribe line S is not applied, chipping does not occur and cullet is reduced.

さて分断によって発生したカレットのうちガラス板３０の下方に生じるカレットについては、ブレイクバー本体部１１及び下部ダクト１４に設けられた貫通孔１１ａ〜１１ｆを介してダクト１４に流入し、排出パイプ１５を通じて外部に排出される。又ガラス板３０の上部に生じるカレットについては、弾性部材２３，２４の間を通過し、貫通孔２１ａ〜２１ｆを介して上部ダクト２１に流入し、排出パイプ２２を通じて外部に排出される。このとき上下の弾性部材１２，１３，２３，２４によって分断部分がほぼ気密に保たれているため、カレットの吸引効果が高まる。このため分断したガラス板の上面、下面のいずれにもカレットが残存しなくなる。   The cullet generated below the glass plate 30 among the cullets generated by the division flows into the duct 14 through the through holes 11a to 11f provided in the break bar main body 11 and the lower duct 14, and passes through the discharge pipe 15. It is discharged outside. The cullet generated at the upper part of the glass plate 30 passes between the elastic members 23 and 24, flows into the upper duct 21 through the through holes 21 a to 21 f, and is discharged to the outside through the discharge pipe 22. At this time, since the divided portions are kept almost airtight by the upper and lower elastic members 12, 13, 23, 24, the cullet suction effect is enhanced. For this reason, no cullet remains on both the upper and lower surfaces of the divided glass plate.

次に本発明の第２の実施の形態によるブレイクユニットのブレイクバーについて説明する。第２の実施の形態では図６に示すように、ブレイクバー４０を下部ダクト１４上に左右のブレイク刃４２，４３を独立して配置し、その側方に弾性部材４４，４５を取り付けたものである。即ち第１の実施の形態の溝１６に代えて、ブレイクバー自体を第１，第２のブレイク刃で構成したものである。この場合にも押さえ部材２０を用いて同様にブレイクすることができ、貫通孔１４ａ〜１４ｆ，２１ａ〜２１ｆを通じてカレットを吸引することで分断したガラス板の上面、下面のいずれにもカレットが残存しなくなる。   Next, the break bar of the break unit according to the second embodiment of the present invention will be described. In the second embodiment, as shown in FIG. 6, the break bar 40 has left and right break blades 42 and 43 arranged independently on the lower duct 14, and elastic members 44 and 45 are attached to the sides thereof. It is. That is, instead of the groove 16 of the first embodiment, the break bar itself is constituted by the first and second break blades. In this case as well, breakage can be made in the same manner using the holding member 20, and the cullet remains on both the upper and lower surfaces of the glass plate that is divided by sucking the cullet through the through holes 14a to 14f and 21a to 21f. Disappear.

ここで第１，第２の実施の形態の弾性部材は密着性を有することが好ましく、弾性ゴムや発泡ウレタン等を用いることができる。   Here, the elastic members of the first and second embodiments preferably have adhesion, and elastic rubber, urethane foam, or the like can be used.

又前述した各実施の形態では上部ダクトや下部ダクトに複数の貫通孔を設けているが、最低１つの貫通孔であってもよい。又発生したカレットをダクトに吸引するものであればよく、ブレイクバー本体部や上下のダクトの長手方向にスリットを形成したものであってもよい。   In each of the embodiments described above, a plurality of through holes are provided in the upper duct and the lower duct. However, at least one through hole may be provided. Moreover, what is necessary is just to attract | suck the generated cullet to a duct, and what formed the slit in the longitudinal direction of a break bar main-body part or an upper and lower duct may be used.

本発明は脆性材料基板にあらかじめスクライブラインが形成された脆性材料基板をブレイクするブレイク装置に有効に用いることができる。   INDUSTRIAL APPLICABILITY The present invention can be effectively used for a break device that breaks a brittle material substrate in which a scribe line is formed in advance on the brittle material substrate.

１０，４０ ブレイクバー
１１ ブレイクバー本体部
１１ａ，１１ｂ，１１ｃ，１１ｄ，１１ｅ，１１ｆ，１４ａ，１４ｂ，１４ｃ，１４ｄ，１４ｅ，１４ｆ，２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅ，２１ｆ 貫通孔
１２，１３，２３，２４，４４，４５ 弾性部材
１４ 下部ダクト
１５，２２ 排出パイプ
１６ 溝
１７，１８，４２，４３ ブレイク刃
２０ 押さえ部材
２１ 上部ダクト 10, 40 Break bar 11 Break bar body 11a, 11b, 11c, 11d, 11e, 11f, 14a, 14b, 14c, 14d, 14e, 14f, 21a, 21b, 21c, 21d, 21e, 21f Through hole 12, 13 , 23, 24, 44, 45 Elastic member 14 Lower duct 15, 22 Discharge pipe 16 Groove 17, 18, 42, 43 Break blade 20 Holding member 21 Upper duct

Claims (2)

ブレイクバーと押さえ部材とを有するブレイクユニットであって、
前記ブレイクバーは、
上端に直線状のエッジ部を有し、所定の間隔を隔てて配置された第１，第２のブレイク刃と、
前記第１のブレイク刃の側面に、前記第２のブレイク刃と対称な位置に貼り付けられた第１の弾性部材と、
前記第２のブレイク刃の側面に、前記第１のブレイク刃と対称な位置に貼り付けられた第２の弾性部材と、
上面に前記第１，第２のブレイク刃及び第１，第２の弾性部材が取り付けられ、前記第１，第２のブレイク刃の間の空隙に通じる少なくとも１つの貫通孔が形成された下部ダクトと、を具備し、前記第１，第２の弾性部材の高さを前記ブレイク刃のエッジ部よりも高くしたものであり、
前記押さえ部材は、
下面に中央に長手方向に沿った貫通孔を有する上部ダクトと、
前記上部ダクトの下面に一定間隔を隔てて平行に取り付けられた直方体状の第３，第４の弾性部材と、を有するブレイクユニット。 A break unit having a break bar and a holding member,
The break bar is
First and second break blades having a linear edge portion at the upper end and arranged at a predetermined interval;
A first elastic member affixed to a side surface of the first break blade at a position symmetrical to the second break blade;
A second elastic member affixed to a side surface of the second break blade at a position symmetrical to the first break blade;
A lower duct in which the first and second break blades and the first and second elastic members are attached to the upper surface, and at least one through hole is formed to communicate with the gap between the first and second break blades. And the height of the first and second elastic members is higher than the edge portion of the break blade,
The holding member is
An upper duct having a through hole along the longitudinal direction in the center on the lower surface;
A break unit comprising: a rectangular parallelepiped third and fourth elastic member attached in parallel to the lower surface of the upper duct at a predetermined interval. 請求項１記載のブレイクユニットを用い、一方の面にスクライブラインが形成された脆性材料基板を前記スクライブラインに沿ってブレイクするブレイク方法であって、
前記脆性材料基板のスクライブラインが形成されていない面を前記第１，第２の弾性部材に接触させ、前記第１，第２のブレイク刃のエッジの中間のラインにスクライブラインが位置するようにブレイクバーの刃先を位置決めし、
前記第３，第４の弾性部材が前記脆性材料基板を介して夫々前記第１，第２の弾性部材の上部に位置するように前記押さえ部材を位置決めし、
前記ブレイクバーを脆性材料基板に押しつけることにより前記第１，第２及び第３，第４の弾性部材を変形させ、前記第１，第２のブレイク刃の夫々のエッジを支点としてブレイクし、
前記脆性材料基板の分断時に生じるカレットを前記第１，第２の弾性部材の間を介してブレイクバーの下部ダクトに吸引すると共に、前記第３，第４の弾性部材の間を介して前記上部ダクトに吸引して除去するブレイク方法。 A break method using the break unit according to claim 1, wherein a brittle material substrate having a scribe line formed on one surface is broken along the scribe line.
The surface of the brittle material substrate on which the scribe line is not formed is brought into contact with the first and second elastic members so that the scribe line is positioned at an intermediate line between the edges of the first and second break blades. Position the edge of the break bar,
Positioning the pressing member so that the third and fourth elastic members are located on the upper portions of the first and second elastic members, respectively, via the brittle material substrate;
The first, second, third, and fourth elastic members are deformed by pressing the break bar against a brittle material substrate, and the breaks are performed using the respective edges of the first and second break blades as fulcrums,
The cullet generated when the brittle material substrate is divided is sucked into the lower duct of the break bar through the first and second elastic members and the upper portion through the third and fourth elastic members. Break method that sucks and removes into duct.
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