JP2003191170A - Abrasive cutting wheel and its manufacturing method - Google Patents
Abrasive cutting wheel and its manufacturing methodInfo
- Publication number
- JP2003191170A JP2003191170A JP2001393904A JP2001393904A JP2003191170A JP 2003191170 A JP2003191170 A JP 2003191170A JP 2001393904 A JP2001393904 A JP 2001393904A JP 2001393904 A JP2001393904 A JP 2001393904A JP 2003191170 A JP2003191170 A JP 2003191170A
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- Japan
- Prior art keywords
- layer
- cutting
- grinding
- grindstone
- reinforcing layer
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、一般鋼やステンレ
ス鋼の切断に用いられる切断砥石とその製造方法に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting grindstone used for cutting general steel and stainless steel and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】切断砥石は、切断機に取り付けて回転さ
せることにより、金属または非金属等からなる材料の切
断に用いられるものであり、建設業や土木業等の各種産
業分野において使用されている。2. Description of the Related Art A cutting whetstone is used for cutting a material made of metal or non-metal by being attached to a cutting machine and rotated, and is used in various industrial fields such as construction and civil engineering. There is.
【０００３】これらの切断砥石は、他の切断砥石と差別
化を図るため、さらには美的外観を発現させるために、
結合剤にフェノール樹脂を採用し、これを砥石マトリッ
クスに分散させている。In order to differentiate these cutting wheels from other cutting wheels, and further to develop an aesthetic appearance,
Phenolic resin is used as the binder and this is dispersed in the grindstone matrix.
【０００４】従来、フェノール樹脂の着色を行う場合
は、硬化温度が高い時酸化されて、暗褐色に着色して着
色剤を加えても、鮮明な着色を得ることは困難であっ
た。Conventionally, in the case of coloring a phenol resin, it was difficult to obtain a clear coloring even if a coloring agent was added by being oxidized at a high curing temperature and coloring dark brown.
【０００５】そこで、鮮明な色彩を呈する切断砥石を得
るために、通常、結合剤の種類を変えるか、或いは、製
造工程における硬化温度は低めに（１５５℃以下）設定
されている。Therefore, in order to obtain a cutting grindstone exhibiting a clear color, the type of the binder is usually changed or the curing temperature in the manufacturing process is set to a low temperature (155 ° C. or less).
【０００６】尚、切断砥石においては、砥粒から成る研
削層に補強材を設けることで、剛性を発現させ、切断時
の砥石の曲がりが少なく、切断性能の良い薄肉の砥石を
得ている。[0006] In the cutting grindstone, a reinforcing material is provided in the grinding layer made of abrasive grains so that rigidity is exhibited, the bending of the grindstone at the time of cutting is small, and a thin grindstone having good cutting performance is obtained.
【０００７】[0007]
【発明が解決しようとする課題】低温にて焼成して得た
切断砥石は、切断性能は良いが、経時劣化が大きく、剛
性及び結合剤の強度が低いため、切断時に砥石が曲がり
やすく、砥石の摩耗も多くなる傾向がある。The cutting grindstone obtained by firing at a low temperature has good cutting performance, but has a large deterioration over time, and since the rigidity and the strength of the binder are low, the grindstone is easily bent at the time of cutting. Wear also tends to increase.
【０００８】また、切断砥石はその厚さが薄いほど、切
断時間が短く、切断性能が良くなる。しかし、あまり薄
く設定すると、前述のように、従来の切断砥石は、砥石
自体の曲げ剛性が不足しているため、曲げ回復が低下
し、被切断物に好ましくないと共に、作業者にとっても
危険である。Further, the thinner the cutting grindstone, the shorter the cutting time and the better the cutting performance. However, if it is set too thin, as described above, the conventional cutting grindstone lacks the bending rigidity of the grindstone itself, so that the bending recovery decreases, which is not preferable for the object to be cut and is dangerous for the operator. is there.
【０００９】尚、従来において切断砥石を補強する場
合、砥粒からなる研削層の両面にガラス繊維からなる補
強層を設けるか、または補強層の両面に研削層を設ける
ことで切断砥石の補強が行われる。Incidentally, in the conventional case of reinforcing a cutting grindstone, the cutting grindstone is reinforced by providing a reinforcing layer made of glass fiber on both sides of a grinding layer made of abrasive grains or by providing a grinding layer on both sides of the reinforcing layer. Done.
【００１０】しかしながら、切断砥石の厚みが、厚いと
きは容易に製造を行うことが可能であるが、厚みが薄い
とき、補強層となるガラス繊維を研削層間に均等に挿入
することは、熟練した技能を要し、均一な品質を得るこ
とは困難であった。However, when the thickness of the cutting grindstone is large, it can be easily manufactured. However, when the thickness of the cutting grindstone is thin, it has been practiced to insert the glass fiber serving as the reinforcing layer evenly between the grinding layers. It required skill and it was difficult to obtain uniform quality.
【００１１】本発明は、かかる事情に鑑みなされたもの
で、その目的は、鮮明に着色され且つ剛性が高く、耐摩
耗性に優れた切断砥石とその製造方法の提供にある。The present invention has been made in view of the above circumstances, and an object thereof is to provide a cutting grindstone that is sharply colored, has high rigidity, and is excellent in wear resistance, and a manufacturing method thereof.
【００１２】[0012]
【課題を解決するための手段】前記課題を解決するため
に、本発明は以下のことを特徴とする。In order to solve the above problems, the present invention is characterized by the following.
【００１３】本発明に係る切断砥石は、研削材と着色剤
と結合剤とを配合して成る研削層を、ガラス繊維から成
る補強層を介して積層し、無酸素雰囲気の下で、焼成し
て成る切断砥石であること、を特徴とする。The cutting grindstone according to the present invention comprises laminating a grinding layer formed by mixing an abrasive, a coloring agent and a binder via a reinforcing layer made of glass fiber, and firing it in an oxygen-free atmosphere. It is a cutting grindstone formed by.
【００１４】また、本発明に係る切断砥石の製造方法
は、砥粒と着色剤と結合剤とを配合して成る研削層とガ
ラス繊維から成る補強層とを一体に成形させる第一工程
と、この工程で得られた研削層と補強層とから成る層
を、ガラス繊維から成る補強層を介して、積層し、その
後、成形して焼成する第二工程と、を有すること、を特
徴する。Further, the method for producing a cutting grindstone according to the present invention comprises a first step of integrally molding a grinding layer formed by mixing abrasive grains, a coloring agent and a binder, and a reinforcing layer formed of glass fiber, A second step of laminating the layer composed of the grinding layer and the reinforcing layer obtained in this step through a reinforcing layer of glass fiber, and then molding and firing the laminated layer is provided.
【００１５】本発明に係る切断砥石は、補強層を構成す
るガラス繊維において、研削層を構成する砥粒、着色剤
及び顔料の一部が繊維間に挿入され且つその表面にも固
着されているので、均質な外観が得られると共に、これ
ら挿入及び固着された砥粒原料も被切断物の切断に供さ
れるので、着色状態が鮮明であると同時に、切断効率及
び耐摩耗性が向上する。In the cutting grindstone according to the present invention, in the glass fiber forming the reinforcing layer, some of the abrasive grains, the colorant and the pigment forming the grinding layer are inserted between the fibers and fixed to the surface thereof. Therefore, a uniform appearance is obtained, and the inserted and fixed abrasive grain raw materials are also used for cutting the object to be cut, so that the colored state is clear, and the cutting efficiency and abrasion resistance are improved.
【００１６】また、本発明に係る切断砥石の製造方法に
よれば、その厚さ及び外径が、従来の切断砥石の厚さよ
りも薄く且つその外径も大きく設定することができるの
で、切断応力が高くなり、前述の作用効果に加え、より
切断効率及び耐摩耗性が向上した切断砥石が得られる。
また、予め研削層と補強層とを一体成形させてから、こ
れを補強層と介して積層しているので、製造工程に熟練
した技能を要さずに、均質な切断砥石の量産が可能とな
る。Further, according to the method for manufacturing a cutting grindstone according to the present invention, since the thickness and the outer diameter thereof can be set to be thinner than the thickness of the conventional cutting grindstone and the outer diameter thereof can be set larger, the cutting stress In addition to the above-mentioned function and effect, a cutting grindstone having further improved cutting efficiency and wear resistance can be obtained.
Further, since the grinding layer and the reinforcing layer are integrally formed in advance and then laminated with the reinforcing layer interposed therebetween, it is possible to mass-produce a uniform cutting grindstone without requiring skilled skill in the manufacturing process. Become.
【００１７】[0017]
【発明の実施の形態】本発明の実施形態について図面に
基づき説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings.
【００１８】図１は、本発明に係る切断砥石の一形態を
示した概略構成図であり、当該砥石の断面構成を示して
いる。FIG. 1 is a schematic constitutional view showing an embodiment of a cutting grindstone according to the present invention, showing a sectional constitution of the grindstone.
【００１９】本発明に係る切断砥石は、専ら研削に関与
する研削層１０ａ，１０ｂと、これら研削層を積層し補
強する補強層１１ａ，１１ｂ，１２とから成り、中央に
回転軸取り付け穴１９を設けている。The cutting grindstone according to the present invention comprises grinding layers 10a and 10b exclusively involved in grinding and reinforcing layers 11a, 11b and 12 for laminating and reinforcing these grinding layers, and a rotary shaft mounting hole 19 is provided at the center thereof. It is provided.
【００２０】研削層１０ａ，１０ｂは、研削材と、着色
剤と、結合剤と、を含有する。The grinding layers 10a and 10b contain an abrasive, a colorant, and a binder.
【００２１】研削材は、アルミナ（Ａｌ2Ｏ3）質系や炭
化ケイ素質（ＳｉＣ）系の砥粒を主成分とする。アルミ
ナ質系の砥粒としては、例えば、Ａ型（褐色アルミナ
質）、ＷＡ型（白色アルミナ質）、ＰＡ型（淡白色アル
ミナ質）、ＨＡ型（解砕型アルミナ質）及びＺ型（アル
ミナジルコニア質）等がある。炭化ケイ素系の砥粒とし
ては、例えば、Ｃ型（黒色炭化ケイ素質）やＧＣ型（緑
色炭化ケイ素質）がある。The abrasive mainly contains alumina (Al 2 O 3 ) based or silicon carbide (SiC) based abrasive grains. The alumina-based abrasive grains include, for example, A type (brown alumina), WA type (white alumina), PA type (pale white alumina), HA type (crushed alumina) and Z type (alumina). Zirconia) etc. Examples of the silicon carbide-based abrasive grains include C type (black silicon carbide type) and GC type (green silicon carbide type).
【００２２】前記研削材には、切断性能及び耐摩耗性を
向上させるために、適宜、充填剤が添加される。具体的
には、例えば、硼弗化カリ、硫化鉱等が添加される。ま
た、その他の充填剤として、硬度を発現させるためにク
レオライト（Ｎａ3ＡｌＦ6）等の硬化剤が用いられ、さ
らに硬化助剤として、砥石全体の硬度の安定化に寄与す
るバライト（ＢａＳＯ4）等が適宜充填される。A filler is appropriately added to the abrasive in order to improve cutting performance and wear resistance. Specifically, for example, potassium borofluoride, sulfide ore, etc. are added. Further, as other fillers, a hardening agent such as creolite (Na 3 AlF 6 ) is used to develop hardness, and as a hardening aid, barite (BaSO 4) that contributes to stabilization of the hardness of the whole grindstone is used. ) Etc. are appropriately filled.
【００２３】着色剤は、例えばフェノールあるいはこれ
とホルムアルデヒドとからなるフェノール樹脂に所定の
顔料を配合したものが用いられる。顔料は公知のもので
よく、目的とする色彩により定まる。例えば、赤色（Ｊ
ＩＳ Ｈ：3-5Ｒ／Ｖ：3-5、Ｃ：6-10）ものを得る場合
はＦｅ2Ｏ3（ベンガラ）等が、黄色（ＪＩＳ Ｈ：4-5Ｙ
Ｒ／Ｖ：6-7、Ｃ：12-14）のもの得る場合はＦｅ2Ｏ・
Ｈ2Ｏ（黄酸化鉄）等が、緑色（ＪＩＳ Ｈ：5-6Ｇ／
Ｖ：2-3、Ｃ：6-10）のものを得る場合はＣｏＯ・ｎＺ
ｎＯ（コバルトグリーン）等が、青色（ＪＩＳ Ｈ：3-6
Ｂ／Ｖ：4-6、Ｃ：6 -10）のものを得る場合はＮａ6Ａｌ
6（ＳｉＯ4）6・２Ｎａ3Ｏ4（群ジョウ）等が、白色
（ＪＩＳ Ｈ：白色、Ｎ：8.5-9.5、Ｃ：3-5）のものを
得る場合はＴｉＯ2（酸化チタン）等が、採用される。
また、以上の無機顔料の他に、目的とする色彩に応じ
て、既知の有機顔料が採用される。As the colorant, for example, phenol or a phenol resin composed of phenol and formaldehyde mixed with a predetermined pigment is used. The pigment may be a known pigment and is determined by the intended color. For example, red (J
When ISH: 3-5 R / V: 3-5 , C: 6-10 ) is obtained, Fe 2 O 3 (red iron oxide) is yellow (JIS H: 4-5 Y).
R / V: 6-7 , C: 12-14 ), Fe 2 O.
H 2 O (yellow iron oxide) is green (JIS H: 5-6 G /
V: 2-3 , C: 6-10 ) to obtain CoO.nZ
nO (cobalt green) is blue (JIS H: 3-6
B / V: 4-6 , C: 6 -10 ) to obtain Na 6 Al
TiO 2 (titanium oxide), etc., when 6 (SiO 4 ) 6・ 2Na 3 O 4 (group jaw) etc. are white (JIS H: white, N: 8.5-9.5 , C: 3-5 ) Will be adopted.
In addition to the above inorganic pigments, known organic pigments are used according to the intended color.
【００２４】結合剤は、既知のものでよい。例えば、レ
ジノイド系の結合剤が用いられる。レジノイド系の結合
剤には、液状レゾール樹脂やノボラック樹脂等がある。The binder may be a known one. For example, a resinoid binder is used. Resinoid binders include liquid resole resins and novolac resins.
【００２５】補強層１１ａ，１１ｂ，１２は、ガラス繊
維から構成される。ガラス繊維は、フェノール成分と反
応しないものが望ましく。例えば、酸化ナトリウム（Ｎ
ａ2Ｏ）を含まない、酸化ケイ素（ＳｉＯ2）、アルミナ
（Ａｌ2Ｏ3）、酸化カルシウム（ＣａＯ）、酸化硼素
（Ｂ2Ｏ3）を成分とするガラス繊維を採用するとよい。The reinforcing layers 11a, 11b, 12 are made of glass fiber. It is desirable that the glass fiber does not react with the phenol component. For example, sodium oxide (N
Glass fibers containing silicon oxide (SiO 2 ), alumina (Al 2 O 3 ), calcium oxide (CaO) and boron oxide (B 2 O 3 ) that do not contain a 2 O) are preferably used.
【００２６】本発明に係る砥石の製造方法について説明
する。A method of manufacturing a grindstone according to the present invention will be described.
【００２７】図２は、本発明に係る砥石の製造工程の一
例を示した概略図である。FIG. 2 is a schematic view showing an example of a manufacturing process of the grindstone according to the present invention.
【００２８】当該製造方法は、研削層１０と補強層１１
とを一体に成形させる第一工程と、この工程で得られた
研削層１０と補強層１１から成る層を、補強層１２を介
して、積層し、その後、成形し、焼成する第二工程と、
を有する。The manufacturing method comprises the grinding layer 10 and the reinforcing layer 11.
And a second step of laminating the layer composed of the grinding layer 10 and the reinforcing layer 11 obtained in this step via the reinforcing layer 12, and then forming and firing. ,
Have.
【００２９】第一工程は、原料調合工程２１と、成形工
程２２と、を有する。The first step includes a raw material mixing step 21 and a molding step 22.
【００３０】原料調合工程２１では、研削層１０の原料
である研削材と、結合剤と、着色剤とが、予め設定され
た割合で秤量され且つ混合されることにより調合され
る。具体的には、研削材に液状レゾール樹脂を添加し攪
拌混合する。次に、粉末状のノボラック樹脂に充填材及
び着色剤を混合し、その後、これに前記研削材を添加し
攪拌混合して粉状の砥石原料を得る。尚、充填剤は、切
断性能を向上するために添加する物質で、耐摩耗性、切
断時間の短縮の効果があり、例えば、氷晶石、硼弗カリ
等が挙げられる。In the raw material mixing step 21, the grinding material, which is the raw material of the grinding layer 10, the binder, and the colorant are weighed and mixed at a preset ratio to be mixed. Specifically, the liquid resol resin is added to the abrasive and mixed by stirring. Next, a powdery novolac resin is mixed with a filler and a colorant, and then the abrasive is added thereto and mixed by stirring to obtain a powdery grindstone raw material. The filler is a substance added to improve cutting performance, and has effects of abrasion resistance and shortening of cutting time, and examples thereof include cryolite and potassium borofluoride.
【００３１】成形工程２２では、所定のプレス金型内に
工程２１で調整した原料が所定の厚さで均一に充填され
る。そして、これに補強層となるガラス繊維が敷かれ、
所定の圧力（例えば、３０〜８０ｋｇ／ｃｍ2）でプレ
スされることにより、例えば図１に示したような該円盤
状の、補強層１１ａを設けた研削層１０ａが成形され
る。In the forming step 22, the raw material prepared in step 21 is uniformly filled in a predetermined press die with a predetermined thickness. Then, a glass fiber serving as a reinforcing layer is laid on this,
By pressing at a predetermined pressure (for example, 30 to 80 kg / cm 2 ), the disc-shaped grinding layer 10 a provided with the reinforcing layer 11 a as shown in FIG. 1, for example, is formed.
【００３２】尚、図１記載の切断砥石は、研削層１０が
２層であるので、第一工程によって、補強層１１ａを設
けた研削層１０ａと，補強層１１ｂを設けた研削層１０
ｂが形成される。得られたこれらの研削層は、第二工程
へ供される。Since the cutting grindstone shown in FIG. 1 has two grinding layers 10, the grinding layer 10a having the reinforcing layer 11a and the grinding layer 10 having the reinforcing layer 11b are formed in the first step.
b is formed. The obtained grinding layers are subjected to the second step.
【００３３】第二工程は、積層工程２３と、成形工程２
４と、焼成工程２５と、を有する。The second step is the laminating step 23 and the forming step 2
4 and a firing step 25.
【００３４】積層工程２３では、先ず、第一工程で一体
化された研削層１０ａと補強層１１ａが金型に補強層１
１ａが下となるようにセットされる。次いで、研削層１
０ａに補強層１２となるガラス繊維が敷かれ、これに、
第一工程で一体化された研削層１０ｂと補強層１１ｂ
が、研削層１０ｂが下となるように、セットされる。
尚、本発明において、補強層を介しての研削層の積層枚
数は、本実施形態に限定されるものではなく、被切断物
の物性に応じて適宜に設定される。In the laminating step 23, first, the grinding layer 10a and the reinforcing layer 11a, which are integrated in the first step, are formed on the mold by the reinforcing layer 1a.
1a is set so as to face down. Then, the grinding layer 1
0a is laid with glass fiber to be the reinforcing layer 12, and
Grinding layer 10b and reinforcing layer 11b integrated in the first step
However, it is set so that the grinding layer 10b faces downward.
In the present invention, the number of laminated grinding layers with the reinforcing layer interposed therebetween is not limited to that in the present embodiment, and may be appropriately set according to the physical properties of the material to be cut.
【００３５】成形工程２４では、積層工程２３で積層さ
れた研削層１０ａ，１０ｂと補強層１１ａ，１１ｂ，１
２とが所定の圧力（例えば、１００〜２００ｋｇ／ｃｍ
2）で加圧成形される。In the forming step 24, the grinding layers 10a, 10b and the reinforcing layers 11a, 11b, 1 laminated in the laminating step 23 are laminated.
2 is a predetermined pressure (for example, 100 to 200 kg / cm
It is pressure molded in 2 ).
【００３６】焼成工程２５では、成形工程２４で得た成
形物が、低酸素雰囲気で、所定の温度（例えば、１６０
〜１８０℃）で焼成されて、切断砥石が得られる。この
焼成工程２５では、原料に含まる結合剤が熔融し砥粒が
相互に結合する。In the firing step 25, the molded product obtained in the molding step 24 is stored in a low oxygen atmosphere at a predetermined temperature (for example, 160).
˜180 ° C.) to obtain a cutting whetstone. In this firing step 25, the binder contained in the raw material melts and the abrasive grains bond to each other.
【００３７】また、成形時にガラス繊維に対し砥粒層原
料を散布する時、ガラス繊維の繊維間に砥粒原料、着色
剤及び顔料の一部が挿入すると共に、成形焼成される
と、ガラス繊維表面にも固着されるので、均質で外観的
にも鮮明に着色された切断砥石が得られる。When the raw material for the abrasive grain layer is sprayed on the glass fibers during molding, a part of the raw material for the abrasive grains, the colorant and the pigment are inserted between the fibers of the glass fibers, and when the glass fibers are molded and baked, Since it adheres to the surface as well, it is possible to obtain a cutting grindstone that is homogeneous and has a sharply colored appearance.
【００３８】さらに、当該切断砥石は、補強層のガラス
繊維間に挿入及び固着された砥粒原料も切断物の切断に
供されるので、切断効率が高まり、また耐摩耗性にも優
れたものになる。Further, in the cutting whetstone, since the abrasive grain raw material inserted and fixed between the glass fibers of the reinforcing layer is also used for cutting the cut object, the cutting efficiency is improved and the abrasion resistance is excellent. become.
【００３９】また、先の従来の切断砥石の製造方法にお
いては、切断砥石の厚さが１．２ｍｍのもの得たい場
合、その外径の大きな砥石の成型が困難であったが、本
発明に係る切断砥石の製造法によれば、例えば、外径が
３０５〜４５５ｍｍで、厚さが１．２〜２．５ｍｍであ
る切断砥石を得られる。したがって、本発明に係る切断
砥石は、従来の切断砥石よりも、切断応力が高くなり切
断効率が向上すると共に、耐摩耗性も向上するので、砥
石寿命が長いものとなる。Further, in the above-mentioned conventional method for manufacturing a cutting grindstone, when it is desired to obtain a cutting grindstone having a thickness of 1.2 mm, it is difficult to mold a grindstone having a large outer diameter. According to such a method for manufacturing a cutting wheel, for example, a cutting wheel having an outer diameter of 305 to 455 mm and a thickness of 1.2 to 2.5 mm can be obtained. Therefore, the cutting grindstone according to the present invention has a higher cutting stress, improved cutting efficiency, and improved wear resistance as compared with the conventional cutting grindstone, and thus has a longer grindstone life.
【００４０】さらに、当該製造工程においては、予め研
削層と補強層とを一体成形させてから、これを補強層と
介して積層しているので、製造工程に熟練した技能を要
さずに、均質な切断砥石を量産することができる。Further, in the manufacturing process, since the grinding layer and the reinforcing layer are integrally formed in advance and then laminated with the reinforcing layer interposed therebetween, the manufacturing process does not require any skill. It is possible to mass-produce uniform cutting wheels.
【００４１】[0041]
【発明の効果】以上の説明から明らかなように、本発明
に係る切断砥石とその製造方法によれば、鮮明に着色さ
れ且つ剛性が高くまた耐摩耗性に優れた切断砥石が得ら
れる。As is apparent from the above description, according to the cutting grindstone and the method for manufacturing the same according to the present invention, a cutting grindstone which is sharply colored, has high rigidity and is excellent in wear resistance can be obtained.
【図１】本発明に係る切断砥石の一例を示した概略構成
図で、当該砥石の断面構成を示す。FIG. 1 is a schematic configuration diagram showing an example of a cutting grindstone according to the present invention, showing a sectional configuration of the grindstone.
【図２】本発明に係る切断砥石の製造工程の一例を示し
た概略図。FIG. 2 is a schematic view showing an example of a manufacturing process of a cutting grindstone according to the present invention.
１０ａ，１０ｂ…研削層 １１ａ，１１ｂ，１２…補強層 １３…回転軸取り付け孔 ２１…原料調合工程 ２２，２４…成形工程 ２３…積層工程 ２５…焼成工程 10a, 10b ... Grinding layer 11a, 11b, 12 ... Reinforcing layer 13 ... Rotary shaft mounting hole 21 ... Raw material mixing process 22, 24 ... Molding process 23 ... Laminating process 25 ... Firing process
Claims (2)
研削層を、ガラス繊維から成る補強層を介して積層し、
無酸素雰囲気の下で、焼成して成る切断砥石。1. A grinding layer formed by blending abrasive grains, a colorant, and a binder is laminated via a reinforcing layer made of glass fiber,
A cutting whetstone that is fired in an oxygen-free atmosphere.
研削層とガラス繊維から成る補強層とを一体に成形させ
る第一工程と、この工程で得られた研削層と補強層とか
ら成る層を、ガラス繊維から成る補強層を介して、積層
し、その後、成形して焼成する第二工程と、を有する切
断砥石の製造方法。2. A first step of integrally molding a grinding layer formed by mixing abrasive grains, a coloring agent and a binder and a reinforcing layer made of glass fiber, and the grinding layer and the reinforcing layer obtained in this step. And a second step of laminating a layer composed of and a reinforcing layer composed of glass fiber, and then molding and firing the layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001393904A JP2003191170A (en) | 2001-12-26 | 2001-12-26 | Abrasive cutting wheel and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001393904A JP2003191170A (en) | 2001-12-26 | 2001-12-26 | Abrasive cutting wheel and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003191170A true JP2003191170A (en) | 2003-07-08 |
Family
ID=27600777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001393904A Pending JP2003191170A (en) | 2001-12-26 | 2001-12-26 | Abrasive cutting wheel and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003191170A (en) |
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|---|---|---|---|---|
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| ITBS20090117A1 (en) * | 2009-06-26 | 2010-12-27 | Molemab S P A | ABRASIVE WHEEL AND METHOD OF REALIZATION |
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