JPS6224971A - Circular saw for hard workpiece - Google Patents
Circular saw for hard workpieceInfo
- Publication number
- JPS6224971A JPS6224971A JP16098285A JP16098285A JPS6224971A JP S6224971 A JPS6224971 A JP S6224971A JP 16098285 A JP16098285 A JP 16098285A JP 16098285 A JP16098285 A JP 16098285A JP S6224971 A JPS6224971 A JP S6224971A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- disk
- blade forming
- thickness
- cutting
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、シリコン等の各種半導体材料、セラミック
ス、タングステン、カーバイト、宝石等の硬質物を切削
するだめの硬質物切削用丸のこに関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a circular saw for cutting hard materials such as various semiconductor materials such as silicon, ceramics, tungsten, carbide, and gemstones. It is something.
（従来の技術）
従来硬質物を切削する丸のことして、特公昭５０−３９
５９３号公報（特開昭４９−１０６６８８号）、特公昭
５０−３９５９４号公報（特開昭４９−１０６６８９号
）に開示される技術があるこの従来技術は、円鈑の外周
端より該円鈑の中心に向けて適当な幅を有する刃部形成
部に多数の孔を等間隔に配設し、その刃部形成部の表面
及び孔の内周壁とにダイヤモンド微粒を一連に結着させ
て刃部を形成したものである。(Prior art) Conventionally, a circular saw for cutting hard materials was developed
This prior art, which includes techniques disclosed in Japanese Patent Publication No. 593 (Japanese Unexamined Patent Publication No. 49-106688) and Japanese Patent Publication No. 50-39594 (Japanese Unexamined Patent Publication No. 49-106689), A number of holes are arranged at equal intervals in a blade forming part having an appropriate width toward the center of the blade, and diamond fine particles are bound in series to the surface of the blade forming part and the inner peripheral wall of the holes to form a blade. It forms a part.
（発明が解決しようとする問題点）
一般に、半導体材料や宝石その他の硬質物は高価である
ので、その切断等の加工に必要な切削代は出来るだけ少
なくしなければならないものである。(Problems to be Solved by the Invention) Generally, semiconductor materials, jewelry, and other hard objects are expensive, so the cutting allowance required for processing such as cutting must be minimized as much as possible.
特に近年、半導体の急激な普及によりその半導体材料を
極薄に精密に切断即ち切削する必要があり、その高価な
半導体材料をを効に利用するために、切削代の大小が決
定される切削用丸のこの刃厚を従来のものより薄くしな
ければならないという問題がある。Particularly in recent years, with the rapid spread of semiconductors, it has become necessary to precisely cut or cut semiconductor materials into extremely thin pieces. There is a problem in that the blade thickness of the circular saw must be thinner than that of conventional ones.
しかるに、前記従来の切削用丸のこにあっては、その刃
部が、円鈑と同一肉厚である刃部形成部の表面に形成さ
れたものであることにより、上記刃部の肉厚をこれ以上
薄くすることができないものであると共に、ダイヤモン
ド微粒よりなる刃部の刃部形成部に対する結着力をこれ
以上強くすることができないものであるという問題点が
あった。However, in the conventional circular saw for cutting, the blade portion is formed on the surface of the blade forming portion having the same wall thickness as the circular plate, so that the wall thickness of the blade portion is It is not possible to make the blade any thinner, and the binding force of the blade made of fine diamond particles to the blade forming part cannot be made any stronger.
また、硬質物を切削するにおいては、切屑（粉塵）によ
る目詰まりあるいは発熱による障害により切削効率が悪
いという問題があり、特に刃厚を薄くした場合には、熱
による変形や口詰まりによる過負荷障害が発生し易いと
いう問題点があった。In addition, when cutting hard materials, there is a problem that cutting efficiency is poor due to clogging due to chips (dust) or failure due to heat generation.Especially when the blade thickness is made thin, overload due to deformation due to heat and clogging occurs. There was a problem in that failures were likely to occur.
（問題点を解決するための手段）
このような問題点を解決するために、この発明によれば
、円鈑の外周端に刃部形成部及び切欠部を交互に配設し
、上記刃部形成部の肉厚を該刃部形成部を除く上記円鈑
の肉厚よりも薄くすると共にその表面に多数の貫通孔を
配設し、上記刃部形成部の表面及び貫通孔の内周壁とに
ダイヤモンド微粒を一連に結着させて刃部を形成したこ
とを特徴とする硬質物切削用丸のこが提供される。(Means for Solving the Problems) In order to solve these problems, according to the present invention, blade forming portions and notches are alternately arranged at the outer peripheral end of the circular plate, and the blade portions are The thickness of the forming portion is made thinner than the wall thickness of the circular plate excluding the blade forming portion, and a large number of through holes are provided on the surface thereof, and the surface of the blade forming portion and the inner peripheral wall of the through hole are Provided is a circular saw for cutting hard materials, characterized in that a blade portion is formed by bonding diamond fine particles in a series.
上記構成において、ダイヤモンド微粒は、刃部形成部の
表面及び貫通孔の内周壁に一層のみ結着することができ
る。In the above configuration, the diamond fine particles can be bonded to only one layer on the surface of the blade forming portion and the inner circumferential wall of the through hole.
このようにした場合は、切削用丸のこの刃厚をより薄く
することができると共に、その刃部を精密に形成するこ
とができる。In this case, the blade thickness of the circular cutting saw can be made thinner, and the blade portion can be precisely formed.
また上記構成において、ダイヤモンド微粒は、刃部形成
部の表面及び貫通孔の内周壁に二層以上結着することが
できる。Further, in the above configuration, two or more layers of diamond fine particles can be bonded to the surface of the blade forming portion and the inner circumferential wall of the through hole.
このようにした場合は、切削用丸のこの刃部の耐摩耗性
が向上できる。In this case, the wear resistance of the cutting saw blade can be improved.
（作用） 上記の技術的手段は次の様に作用する。(effect) The above technical means works as follows.
刃部形成部の肉厚を円鈑の肉厚よりも薄くしたことによ
り、第１に、円鈑の全体の肉厚を１くすることなく即ち
円鈑の強度を低下させることなく、より薄肉の刃部を形
成して切削幅を小さくできるごとく作用する。By making the wall thickness of the blade forming part thinner than the wall thickness of the circular plate, firstly, the thickness of the circular plate can be made thinner without reducing the overall wall thickness of the circular plate to 1, that is, without reducing the strength of the circular plate. The blade part is formed to reduce the cutting width as much as possible.
第２に、刃部形成部に結着するダイヤモンド微粒は、そ
の刃部形成部の肉厚を円鈑の肉厚よりも薄＜シたことに
より形成される段部により結着面積が増大するので、そ
の結着力を強くすることができるごとく作用する。Secondly, the bonding area of the diamond fine particles that bind to the blade forming part increases due to the step formed by making the wall thickness of the blade forming part thinner than the wall thickness of the circular plate. Therefore, it acts as if the binding force can be strengthened.
第３に、使用により少くとも上記段部近辺のダイヤモン
ド微粒が受ける応力をその段部により受けさせることに
より耐久性を向上させるごとく作用する。Thirdly, the stress that is applied to the diamond particles in the vicinity of the stepped portion at least during use is absorbed by the stepped portion, thereby improving durability.
第４に、切欠部が形成されていることにより、切屑や冷
却水あるいは切削油等はその切欠部より排除され、空気
や流動物の流通性もよ（なり冷却効果及び目詰まり防止
効果が増大するごとく作用する。Fourthly, by forming the notch, chips, cooling water, cutting oil, etc. are removed from the notch, and the circulation of air and fluids is improved (this increases the cooling effect and clogging prevention effect). It works very well.
（実施例）
この発明の一実施例を図面について説明すれば、［１１
は鋼販等からなり円鈑または環状の円鈑であり、該円鈑
（１）は、その外周端より円鈑中心に向けて適当な幅を
有しその円鈑（１１の表裏両面を切削することにより円
鈑（１）の肉厚よりも薄くなるように形成された刃部形
成部（２）と、切欠部（８）とが交互に配設されている
。(Embodiment) An embodiment of the present invention will be described with reference to the drawings. [11
is a circular plate or annular circular plate made of steel, etc., and the circular plate (1) has an appropriate width from the outer peripheral edge to the center of the circular plate, and the front and back sides of the circular plate (11) are cut. As a result, blade forming portions (2) formed to be thinner than the wall thickness of the circular plate (1) and cutout portions (8) are alternately arranged.
（３）は上記刃部形成部（２）に等間隔に配設された多
数の貫通孔である。(3) is a large number of through holes arranged at equal intervals in the blade forming portion (2).
（４）は上記刃部形成部（２）の表面及び貫通孔（３）
の内周壁とに電気メツキ法により一層状に結着されたダ
イヤモンド微粒であり、８亥ダイヤモンド微粒（４）が
結着することにより刃部（５）が形成されている。(4) is the surface of the blade forming part (2) and the through hole (3)
Diamond particles are bonded in a single layer to the inner circumferential wall of the blade by electroplating, and the blade portion (5) is formed by bonding the 8-diamond particles (4).
上記貫通孔（３）は、その円周方向に配設された各列の
貫通孔（３）・・・・・の外周を結ぶ線が、それぞれ隣
接する他の貫通孔（３）・・・・・の外周を結ぶ線に喰
い込むごと（配設されて、そのそれぞれの貫通孔（３）
の内周壁に結着された上記ダイヤモンド微粒（４）によ
り、刃部（５）が全面的に連続して切削機能を有するよ
うに形成されている。The through holes (3) are arranged in the circumferential direction so that the lines connecting the outer peripheries of the through holes (3) in each row are connected to the adjacent through holes (3), respectively. Each through hole (3) inserted into the line connecting the outer periphery of...
The diamond particles (4) bound to the inner circumferential wall of the blade part (5) are formed so as to have a continuous cutting function over the entire surface.
（６）は円鈑（１１の表裏両面を切削することにより形
成される段部であり、該段部（６）は、刃部内周端縁（
７）を受けるごとくダイヤモンド微粒（４）が結着され
ている。(6) is a stepped portion formed by cutting both the front and back surfaces of the circular plate (11), and the stepped portion (6) is the inner peripheral edge of the blade portion (
Diamond fine particles (4) are bound together as shown in 7).
なお、刃部形成部（２）の厚みを決定する円鈑（１）の
表裏両面の切削量は、結着するダイヤモンド微粒（４）
の厚みと同じか又は僅少少なく決定すればよく、即ち、
円鈑（１）の肉厚よりも刃部（５）の肉厚が同じか又は
僅少厚肉に形成すればよい。In addition, the amount of cutting on both the front and back sides of the circular plate (1), which determines the thickness of the blade forming part (2), is determined by the amount of cutting on both the front and back sides of the circular plate (1), which determines the thickness of the blade forming part (2).
It is sufficient to determine the thickness to be the same as or slightly less than the thickness of
The thickness of the blade portion (5) may be the same or slightly thicker than the thickness of the circular plate (1).
本発明を実施するときは、円鈑（１）の肉厚は極薄鋼板
例えば、０．１〜１．５龍程度の肉厚とすることができ
、また、貫通孔（３）の形状は丸、多角形または楕円形
等でもよい。When carrying out the present invention, the thickness of the round plate (1) can be made from an ultra-thin steel plate, for example, about 0.1 to 1.5 mm thick, and the shape of the through hole (3) is It may be round, polygonal, oval, etc.
（発明の効果）
以上に説明したように、本発明は、刃部形成部に多数配
設された貫通孔の内周壁にダイヤモンド微粒が結着即ち
ダイヤモンド微粒の支柱が形成されることにより０、刃
部形成部の表面に結着するダイヤモンド微粒を強固に結
着でき、その形成された刃部は連続的に切削効果を発揮
し、しかもその貫通孔により水又は切削油の流通を良好
にして冷却効果が向上できる等の効果を有することは勿
論、刃部形成部の肉厚を円鈑の肉厚よりも薄クシたこと
により、円鈑全体の肉厚を薄くすることなく刃部の肉厚
をより薄（することができる。(Effects of the Invention) As explained above, the present invention has the advantage that diamond fine particles are bound to the inner circumferential wall of the through-holes provided in the blade forming portion, that is, diamond fine grain pillars are formed. The diamond fine particles that are bound to the surface of the blade forming part can be firmly bound, and the formed blade part continuously exhibits a cutting effect, and its through holes allow good circulation of water or cutting oil. Not only does it have the effect of improving the cooling effect, but by making the wall thickness of the blade part forming part thinner than the wall thickness of the circular plate, the thickness of the blade part can be reduced without reducing the thickness of the entire circular plate. The thickness can be made thinner.
次に、刃部形成部の肉厚を円鈑の肉厚よ吹も薄くしたこ
とにより形成される段部により結着面積を大きくするこ
とができるから、刃部の刃部形成部に対する結着力を大
きくすることができる。Next, since the binding area can be increased by the step formed by making the wall thickness of the blade forming part thinner than that of the circular plate, the binding area of the blade part to the blade forming part can be increased. can be made larger.
更に、上記段部によって、少くとも上記段部近辺のダイ
ヤモンド微粒が受ける応力を持ち堪えることができるも
のであるから、刃部即ち丸のこの耐久性を向上させるこ
とができる。Further, since the stepped portion can at least withstand the stress applied to the diamond particles in the vicinity of the stepped portion, the durability of the blade portion, that is, the circular saw can be improved.
また更に、切欠部を有することにより、切削作業におい
て発生する切屑はその切欠部より容易に排除されると共
に、冷却水等の流動性が良くなり、刃部の月詰まりを防
止すると共に、より冷却効率を向上することができる。Furthermore, by having a notch, chips generated during cutting work can be easily removed from the notch, and the fluidity of cooling water, etc. is improved, preventing the blade from clogging, and improving cooling. Efficiency can be improved.
これによって、高価な硬質物の切削代をより少なく切削
できると共に丸のこの寿命を長くすることができ、しか
も連続重切削ができる等の経済性および作業性が向上で
きる効果を有するものである。As a result, the cutting allowance for expensive hard materials can be reduced, the life of the circular saw can be extended, and economic efficiency and workability can be improved, such as continuous heavy cutting.
図面はこの発明による硬質物切削用丸のこの一実施例を
示すものであり、第１図は外周端の一部を切開した要部
正面図、第２図は一部拡大正面図、第３図は第１図の要
部拡大Ａ−Ａ線断面図である。
図面において、（１）は円鈑、（２）は刃部形成部、（
３）は貫通孔、（４）はダイヤモンド微粒、（５）は刃
部、（６ンは段部、（７）は刃部内周端縁、（８）は切
欠部を示すものである。The drawings show an embodiment of a circular saw for cutting hard materials according to the present invention, and FIG. 1 is a front view of the main part with a part of the outer circumferential end cut away, FIG. 2 is a partially enlarged front view, and FIG. The figure is an enlarged sectional view taken along the line A--A of the main part of FIG. In the drawings, (1) is a circular plate, (2) is a blade forming part, (
3) is a through hole, (4) is a diamond particle, (5) is a blade portion, (6 is a step portion, (7) is an inner peripheral edge of a blade portion, and (8) is a notch portion.
Claims (1)
し、上記刃部形成部の肉厚を該刃部形成部を除く上記円
鈑の肉厚よりも薄くすると共にその表面に多数の貫通孔
を配設し、上記刃部形成部の表面及び貫通孔の内周壁と
にダイヤモンド微粒を一連に結着させて刃部を形成した
ことを特徴とする硬質物切削用丸のこ。 ２ ダイヤモンド微粒を、刃部形成部の表面及び貫通孔
の内周壁に一層のみ結着したことを特徴とする特許請求
の範囲第１項記載の硬質物切削用丸のこ。 ３ ダイヤモンド微粒を、刃部形成部の表面及び貫通孔
の内周壁に二層以上結着したことを特徴とする特許請求
の範囲第１項記載の硬質物切削用丸のこ。[Scope of Claims] 1. Blade forming portions and notches are alternately arranged on the outer peripheral edge of the circular plate, and the thickness of the blade forming portion is greater than the wall thickness of the circular plate excluding the blade forming portion. The blade is made thinner and has a large number of through holes on its surface, and the blade is formed by binding diamond fine particles in a series to the surface of the blade forming part and the inner circumferential wall of the through hole. Circular saw for cutting hard materials. 2. The circular saw for cutting hard materials according to claim 1, characterized in that diamond fine particles are bonded to only one layer on the surface of the blade forming portion and the inner circumferential wall of the through hole. 3. The circular saw for cutting hard materials according to claim 1, characterized in that two or more layers of diamond fine particles are bonded to the surface of the blade forming part and the inner circumferential wall of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16098285A JPS6224971A (en) | 1985-07-19 | 1985-07-19 | Circular saw for hard workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16098285A JPS6224971A (en) | 1985-07-19 | 1985-07-19 | Circular saw for hard workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6224971A true JPS6224971A (en) | 1987-02-02 |
Family
ID=15726320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16098285A Pending JPS6224971A (en) | 1985-07-19 | 1985-07-19 | Circular saw for hard workpiece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6224971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698308A1 (en) * | 1992-11-23 | 1994-05-27 | Collard Michel | Anti-soiling cutting blades - comprises blade made of rust-proof material with large hardness level with fine surface, this material may be rust-proof steel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5039593A (en) * | 1973-08-10 | 1975-04-11 | ||
| JPS5757905U (en) * | 1980-09-19 | 1982-04-05 |
-
1985
- 1985-07-19 JP JP16098285A patent/JPS6224971A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5039593A (en) * | 1973-08-10 | 1975-04-11 | ||
| JPS5757905U (en) * | 1980-09-19 | 1982-04-05 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2698308A1 (en) * | 1992-11-23 | 1994-05-27 | Collard Michel | Anti-soiling cutting blades - comprises blade made of rust-proof material with large hardness level with fine surface, this material may be rust-proof steel |
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