JPS63134173A - Cbn electrodeposited grindstone - Google Patents
Cbn electrodeposited grindstoneInfo
- Publication number
- JPS63134173A JPS63134173A JP28117786A JP28117786A JPS63134173A JP S63134173 A JPS63134173 A JP S63134173A JP 28117786 A JP28117786 A JP 28117786A JP 28117786 A JP28117786 A JP 28117786A JP S63134173 A JPS63134173 A JP S63134173A
- Authority
- JP
- Japan
- Prior art keywords
- grindstone
- boron nitride
- electrodeposited
- cbn
- layer
- 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
- 239000006061 abrasive grain Substances 0.000 claims abstract description 19
- 229910052582 BN Inorganic materials 0.000 claims abstract description 15
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 abstract description 19
- 239000010953 base metal Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000004575 stone Substances 0.000 abstract 1
- 238000004070 electrodeposition Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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〕
本発明は、立方晶窒化ほう素（ＣＢＮ）砥粒を電着して
なるＣＢＮ電着砥石に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a CBN electrodeposited grindstone formed by electrodepositing cubic boron nitride (CBN) abrasive grains.
従来の電着砥石は、ＣＢＮやダイヤモンドの砥粒をニッ
ケルメッキ等の電着法によシ台金表面に物理的に固着し
ただけのもので、その断面は第２図の如く、超砥粒４と
電着層３とから成っている。６は合金である。Conventional electrodeposited grindstones are simply those in which CBN or diamond abrasive grains are physically fixed to the surface of the base metal using an electrodeposition method such as nickel plating. 4 and an electrodeposited layer 3. 6 is an alloy.
通常この電着層にはニッケル電着等が用いられ、その硬
度はビッカース硬さでｓ ｏ ｏｎ度、あるいはニッケ
ルーリンの電着層として熱処理を施しても高々ビッカー
ス硬度１０００程度である。Normally, nickel electrodeposition is used for this electrodeposition layer, and its hardness is approximately 1,000 Vickers hardness even if it is heat-treated as a nickel-phosphorus electrodeposition layer.
従って、このような砥石を使用して被研削物７を加工し
、切屑を生成した場合には、第３図に示す如く、超砥粒
４によって排出された切屑５が電着層３を少しずつ削り
取シ、超砥粒４が摩耗しないうちに、電着層３を薄くさ
せ、超砥粒の保持力を低下させる。更に研削を行なうと
ついに砥粒は合金から脱落して砥石としての機能を果た
さなくなシ、結果として砥石の寿命が短いということに
なる。Therefore, when such a grindstone is used to process the workpiece 7 and generate chips, the chips 5 discharged by the superabrasive grains 4 slightly scratch the electrodeposited layer 3, as shown in FIG. By gradually scraping off the superabrasive grains 4, the electrodeposited layer 3 is thinned and the holding power of the superabrasive grains is reduced before the superabrasive grains 4 are worn out. If further grinding is performed, the abrasive grains will eventually fall off from the alloy and no longer function as a grinding wheel, resulting in a shortened lifespan of the grinding wheel.
本発明は、従来）αもの′が蓮つ、以上のような問題点
を解決させ、生成された切屑による電着層の削り取られ
を防止し、砥石寿命を長くすることを目的とする。The object of the present invention is to solve the above-mentioned problems that have occurred in the past, to prevent the electrodeposited layer from being scraped off by generated chips, and to extend the life of the grinding wheel.
この目的を達成させるために、砥粒の保持層つまり電着
層の最表面をより高硬度材で被覆してやれば、切屑によ
る擦過摩耗に強くなり砥石の寿命を向上できることに着
目し、電着砥石の最表面層を窒化ほう素被膜により被覆
することを特徴とした。In order to achieve this objective, we focused on the fact that if the outermost surface of the abrasive grain retention layer, that is, the electrodeposited layer, was coated with a harder material, it would be resistant to abrasion caused by chips and the life of the grinding wheel could be extended. The outermost layer of the material is coated with a boron nitride film.
最表面層に被覆した窒化ほう素被膜は９通常の電着層よ
シも高硬度となり、耐摩耗性を向上させる。The boron nitride coating coated on the outermost surface layer has a higher hardness than a normal electrodeposited layer and improves wear resistance.
本発明の実施例を第１図にもとづいて説明する。第１図
において９台金６の上にＣＢＮ砥粒２が電着されて砥石
を形成している。３は電着層である。このように構成さ
れたＣＢＮ電着砥石に窒化ほう素をＰＶＤ法により蒸着
させたのが第１図に示すものであり、１が窒化ほう素被
覆層である。ＰＶＤ法の場合、処理温度は５００℃程度
であり、ニッケルーリンの電着層としておくことにより
熱処理効果と同様、電着層の硬度上昇も同時に行なえる
。An embodiment of the present invention will be described based on FIG. In FIG. 1, CBN abrasive grains 2 are electrodeposited on a base metal 6 to form a grindstone. 3 is an electrodeposition layer. FIG. 1 shows a CBN electrodeposited grindstone constructed in this manner, on which boron nitride was deposited by PVD, and 1 is a boron nitride coating layer. In the case of the PVD method, the treatment temperature is about 500° C., and by forming an electrodeposited layer of nickel-phosphorus, the hardness of the electrodeposited layer can be increased at the same time as the heat treatment effect.
たけでは第４図に示すような状態になっており、ＣＢＮ
砥粒２の保持力が高い状況とは言えない。ところが、こ
の上に窒化ほう素被膜を行なうと、窒化ほう素とＣＢＮ
とはぬれ性が良い為、第５図に示す如くの状態の被覆と
なり、ＣＢＮ砥粒２をぬれ性よく包み込んだ様な状況と
なって保持力の増強効果があられれる。したがって、耐
摩耗性と保持力増強という２つの相乗効果により砥石の
寿命が大幅に延長されることとなる。The bamboo shoots are in the state shown in Figure 4, and the CBN
It cannot be said that the holding power of the abrasive grains 2 is high. However, when a boron nitride film is applied on top of this, boron nitride and CBN
Since the coating has good wettability, the coating becomes as shown in FIG. 5, and the CBN abrasive grains 2 are wrapped in the coating with good wettability, thereby increasing the holding power. Therefore, the life of the grinding wheel is significantly extended due to the synergistic effects of wear resistance and increased holding power.
本発明によれば、窒化ほう素被膜を最表面に被覆したの
で、電：着層：の際１摩耗性友び砥粒保持能力を同時に
向上させ、ＣＢＮ砥粒の性能を最大限に引き出す事がで
き、砥石の寿命を大幅に伸ばす事ができる。According to the present invention, since the outermost surface is coated with a boron nitride film, the abrasive properties and abrasive grain retention ability are simultaneously improved during electroplating, thereby maximizing the performance of CBN abrasive grains. This greatly extends the life of the whetstone.
第１図は２本発明の一実施例としてのＣＢＮ電着砥石の
断面図。
第２図は、従来のＣＢＮ電着砥石の断面図。
第３図は、従来のＣＢＮ電着砥石の電着層が摩耗する状
態を示す断面図。
第４図は、従来のＣＢＮ電着砥石の砥粒と電着層の間の
拡大断面図。
第５図は９本発明の一実施例の砥粒と被覆層との関係を
示す拡大断面図。
１・・・窒化ほう素被覆層、２・・・ＣＢＮ砥粒、３・
・・電着層、４・・・ＣＢＮ砥粒、５・・・切屑、６・
・・台金、７・・・被研削物。FIG. 1 is a sectional view of a CBN electrodeposited grindstone as an embodiment of the present invention. FIG. 2 is a cross-sectional view of a conventional CBN electrodeposited grindstone. FIG. 3 is a cross-sectional view showing the state in which the electrodeposited layer of a conventional CBN electrodeposited grindstone wears out. FIG. 4 is an enlarged sectional view of a conventional CBN electrodeposited grindstone between abrasive grains and an electrodeposited layer. FIG. 5 is an enlarged sectional view showing the relationship between abrasive grains and a coating layer in an embodiment of the present invention. 1... Boron nitride coating layer, 2... CBN abrasive grains, 3...
...electrodeposition layer, 4...CBN abrasive grains, 5...chips, 6.
... base metal, 7... object to be ground.
Claims (1)
窒化ほう素の被膜１で被覆したことを特徴とするＣＢＮ
電着砥石。A CBN characterized in that the outermost surface layer of a grindstone formed by electrodepositing cubic boron nitride abrasive grains is coated with a coating 1 of boron nitride.
Electroplated whetstone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28117786A JPS63134173A (en) | 1986-11-26 | 1986-11-26 | Cbn electrodeposited grindstone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28117786A JPS63134173A (en) | 1986-11-26 | 1986-11-26 | Cbn electrodeposited grindstone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63134173A true JPS63134173A (en) | 1988-06-06 |
Family
ID=17635421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28117786A Pending JPS63134173A (en) | 1986-11-26 | 1986-11-26 | Cbn electrodeposited grindstone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63134173A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02311270A (en) * | 1989-05-22 | 1990-12-26 | Toyoda Mach Works Ltd | Electrodeposition grinding stone |
| US5038739A (en) * | 1989-09-07 | 1991-08-13 | Nissan Motor Company, Ltd. | Control arrangement for multi-cylinder two cycle engine |
| EP0662025A1 (en) * | 1991-06-13 | 1995-07-12 | JULIEN, D., Lynn | Coated grinding tools and methods for their preparation |
| JPH1190834A (en) * | 1997-09-12 | 1999-04-06 | Osaka Diamond Ind Co Ltd | Super-abrasive grain grinding wheel and its manufacture |
| US6306025B1 (en) | 1997-06-13 | 2001-10-23 | Nec Corporation | Dressing tool for the surface of an abrasive cloth and its production process |
-
1986
- 1986-11-26 JP JP28117786A patent/JPS63134173A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02311270A (en) * | 1989-05-22 | 1990-12-26 | Toyoda Mach Works Ltd | Electrodeposition grinding stone |
| US5038739A (en) * | 1989-09-07 | 1991-08-13 | Nissan Motor Company, Ltd. | Control arrangement for multi-cylinder two cycle engine |
| EP0662025A1 (en) * | 1991-06-13 | 1995-07-12 | JULIEN, D., Lynn | Coated grinding tools and methods for their preparation |
| EP0662025A4 (en) * | 1991-06-13 | 1995-07-19 | D. Lynn Julien | Titanium-nitride and titanium-carbide coated grinding tools and method therefor. |
| US6306025B1 (en) | 1997-06-13 | 2001-10-23 | Nec Corporation | Dressing tool for the surface of an abrasive cloth and its production process |
| JPH1190834A (en) * | 1997-09-12 | 1999-04-06 | Osaka Diamond Ind Co Ltd | Super-abrasive grain grinding wheel and its manufacture |
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