JPH02118097A - Surface treatment of sliding surface of bearing - Google Patents
Surface treatment of sliding surface of bearingInfo
- Publication number
- JPH02118097A JPH02118097A JP27142488A JP27142488A JPH02118097A JP H02118097 A JPH02118097 A JP H02118097A JP 27142488 A JP27142488 A JP 27142488A JP 27142488 A JP27142488 A JP 27142488A JP H02118097 A JPH02118097 A JP H02118097A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- oil
- plating
- sliding surface
- porous
- 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.)
- Granted
Links
- 238000004381 surface treatment Methods 0.000 title claims description 9
- 238000007747 plating Methods 0.000 claims abstract description 59
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 239000011859 microparticle Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 abstract description 7
- 239000010419 fine particle Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 26
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 24
- 239000003921 oil Substances 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 229910052759 nickel Inorganic materials 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は軸受摺動面の表面処理方法に関し、特に、含油
性を付与する軸受摺動面の表面処理方法に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of surface treatment of a bearing sliding surface, and particularly to a method of surface treatment of a bearing sliding surface to impart oil-retaining properties.
［従来技術および解決しようとする課題〕従来、含油軸
受としては、軸受摺動面にマイクロクラッククロムメッ
キを梅し、このマイクロクラック部分に含油させたもの
が知られている。[Prior Art and Problems to be Solved] Conventionally, oil-impregnated bearings are known in which the sliding surface of the bearing is coated with micro-crack chrome plating and the micro-crack portions are impregnated with oil.
第２図には従来のマイクロクラッククロムメッキにより
含油性を付与した軸受摺動面の拡大模式断面間が示され
ていて、この軸受摺動面は、鉄鋼等からなる軸受素ｆＩ
！！１１の表面にまず銅メッキ層１２を設け、この１１
４メッキ層１２の上面にニッケルメッキ層１３を設け、
さらにこのニッケルメッキ層１３の上面にマイクロクラ
、クロムメッキ層１４を設け、このマイクロクラックク
ロムメンキ層１４に形成された複数のクラック１４ａ内
に油１５を入れて含油性を付与したものである。Figure 2 shows an enlarged schematic cross-section of a bearing sliding surface that has been made oil-retentive by conventional micro-crack chrome plating.
! ! First, a copper plating layer 12 is provided on the surface of 11.
4. A nickel plating layer 13 is provided on the top surface of the plating layer 12,
Furthermore, a micro-cracks and a chromium-plated layer 14 are provided on the upper surface of this nickel-plated layer 13, and oil 15 is put into the plurality of cracks 14a formed in this micro-crack chrome-plated layer 14 to impart oil-retaining properties. .
上記マイクロクラッククロムメッキ層１４は、クロムメ
ッキを施す際に、メッキ液の電解条件、電流密度等のメ
ッキ条件を制御してクロムメッキ層の表面に第２図に示
すようなりラック１４ａを人工的に形成したものであり
、このクランク＋４ａ内に含油させることにより、含油
軸受として利用している。The micro-crack chrome plating layer 14 is formed by artificially forming a rack 14a on the surface of the chrome plating layer as shown in FIG. By impregnating the crank +4a with oil, it is used as an oil-impregnated bearing.
しかしながら、上記のマイクロクラッククロムメッキ１
１４のクランク１４ａ内に油１５を入れて含油性を付与
した軸受摺動面にあっては、マイクロクランククロムメ
ッキにより形成される複数のクラック１４ａが、そのひ
び割れ深さが一定で−なく、′マイクロクランククロム
メッキ層１４の下層の面まで達しない浅いものなどもあ
り、クランク１４ａの面密度も均一にできないとともに
、クランク１４ａの形成状態の再現性がなく、上記クラ
ンク１４ａ内に油１５を入れた場合には、含油軸受とし
ての使用寿命にバラツキが大きく品質を一定にできない
とともに、クランク１４ａ内に給油された油１５を正確
に測定することができないので、その耐久性を予測する
ことができないという問題点を有していた。However, the above micro-crack chrome plating 1
In the bearing sliding surface in which oil 15 is put into the crank 14a of the 14 cranks 14a to impart oil-retaining properties, a plurality of cracks 14a formed by micro-crank chrome plating are not constant in crack depth. Some of the micro-crank chrome plating layers 14 are too shallow to reach the lower surface of the chrome plating layer 14, and the surface density of the crank 14a cannot be made uniform, and the formation state of the crank 14a is not reproducible. In this case, the service life as an oil-impregnated bearing will vary greatly, making it impossible to maintain constant quality, and the oil 15 supplied into the crank 14a cannot be accurately measured, making it impossible to predict its durability. There was a problem.
本発明は上記のような従来のもののもつ問題点を解決し
たものであって、軸受摺動面に微細な複数の孔を均一に
、かつ再現性よく形成可能とし、この複数の孔内に含油
して、含油軸受としての使用寿命のバラツキが小さい一
定の品質のものを得ることができるとともに、その微細
な複数の孔内の含油量を測定することにより、軸受摺動
面の耐久性が予知できる軸受摺動面の表面処理方法を提
供することにある。The present invention solves the problems of the conventional ones as described above, and makes it possible to form a plurality of fine holes uniformly and with good reproducibility on the sliding surface of a bearing, and to impregnate oil into the plurality of holes. This makes it possible to obtain oil-impregnated bearings of constant quality with little variation in service life, and by measuring the oil content in the multiple microscopic holes, it is possible to predict the durability of the bearing sliding surface. An object of the present invention is to provide a method for surface treatment of a bearing sliding surface.
上記の目的を達成するために本発明は、軸受摺動面を、
疏水性液体の微小粒子を均一に分散したメッキ液を用い
てメッキして、多孔質メッキ被膜を形成し、この多孔質
メッキ液■りの多孔部分に含油する手段を有している。In order to achieve the above object, the present invention has a bearing sliding surface,
A porous plating film is formed by plating using a plating solution in which microparticles of a hydrophobic liquid are uniformly dispersed, and means is provided for impregnating the porous portions of the porous plating solution with oil.
〔作用］
本発明は上記の手段を採用したことにより、軸受摺動面
に微細な複数の孔を均一に、かつ再現性よく形成でき、
一定品質の含油軸受を提供できるとともに、その微細な
孔の容積を測定することにより、微細な複数の孔内の含
油Ｖから含油軸受としての耐久性を予知できることとな
る。[Function] By adopting the above-mentioned means, the present invention can form a plurality of fine holes uniformly and with good reproducibility on the bearing sliding surface.
In addition to being able to provide an oil-impregnated bearing of constant quality, by measuring the volume of the fine holes, it is possible to predict the durability of the oil-impregnated bearing from the oil-impregnated V in the plurality of fine holes.
〔実施例］
以下、図面に示す本発明による実施例について説明する
。[Example] Hereinafter, an example according to the present invention shown in the drawings will be described.
第１図には本発明の方法により表面処理した軸受摺動面
の拡大模式断面図が示されていて、この軸受摺動面は、
鉄鋼等からなる軸受素地ｌの表面にまず銅メッキ層２を
設け、この銅メッキＭ４２の上面にニッケルメッキ層３
を設け、さらにこのニッケルメッキ層３の上面に多孔質
クロムメッキ層４を設け、この多孔質クロムメンキＭ４
に形成された複数の孔４ａ内に油５を入れたものである
。FIG. 1 shows an enlarged schematic cross-sectional view of a bearing sliding surface that has been surface-treated by the method of the present invention, and this bearing sliding surface has the following characteristics:
First, a copper plating layer 2 is provided on the surface of a bearing base l made of steel, etc., and a nickel plating layer 3 is placed on the top surface of this copper plating M42.
Further, a porous chrome plating layer 4 is provided on the upper surface of this nickel plating layer 3, and this porous chrome plating M4
Oil 5 is placed in a plurality of holes 4a formed in the hole 4a.
上記のような含油性を付与した軸受摺動面を形成するだ
めの表面処理は、まず、通常の電解メッキ法により軸受
素地ｌの表面に所望の厚さで銅メッキ層２、ニッケルメ
ッキ層３をこの順で設け、次に、この表面にニッケルメ
ッキ層３が設けられた軸受を疎水性液体（たとえば、切
削油等の鉱物油等）の微小粒子をコロイド状に均一に分
散したクロムメッキ液に浸漬し、このクロムメッキ液を
攪拌混合しながら電解メッキを施し、ニッケルメッキ層
３の上面に、上記疎水性液体の複数の微小粒子が付着し
た部分がメッキ“が施されず複数の孔４ａとなって残る
多孔ｎクロムメンキＮ４を設けたものである。The surface treatment for forming the bearing sliding surface imparted with oil impregnation as described above is carried out by first applying a copper plating layer 2 and a nickel plating layer 3 to the desired thickness on the surface of the bearing base l using a normal electrolytic plating method. are applied in this order, and then the bearing with the nickel plating layer 3 provided on the surface is coated with a chromium plating solution in which microparticles of a hydrophobic liquid (for example, mineral oil such as cutting oil) are uniformly dispersed in a colloidal manner. Electrolytic plating is performed while stirring and mixing the chromium plating solution, and the portions on the upper surface of the nickel plating layer 3 to which a plurality of microparticles of the hydrophobic liquid are attached are not plated and a plurality of holes 4a are formed. A porous N chrome plate N4 is provided.
したがって、上記のように疎水性液体の複数の微小粒子
が付着した部分がメッキが＃ｆ！ｉされずに残るかたち
で形成される複数の孔４ａは、その孔４ａの深さが多孔
質クロムメッキ層４の下層の面まで達して一定であり、
その密度も摺動面上において均一に形成されるものであ
る。Therefore, as described above, the part to which multiple microparticles of the hydrophobic liquid are attached is plated #f! The plurality of pores 4a that are formed without being removed are constant in depth as they reach the surface of the lower layer of the porous chromium plating layer 4,
Its density is also uniform on the sliding surface.
上記の疏水性液体のコロイド状微小粒子をクロムメッキ
液に均一に分散するには、疏水性液体を水中に入れて高
速攪拌して粒径を一定とした複数の微小粒子を調整する
とともに、その複数の微小粒子をアルコール等によりコ
ロイド状にカプセル化したものを前記クロムメッキ液中
に分散混合することにより得られる。また、このとき、
前記疏水性液体の複数の微小粒子を電気泳動等の手段に
より、粒子径の均一なコロイド状微小粒子に揃え、この
粒子径の均一なコロイド状微小粒子を用いることにより
、前記多孔質クロムメッキ層４に形成する複数の孔４ａ
（７）孔径をさらに均一化することができる。In order to uniformly disperse the colloidal microparticles of the above-mentioned hydrophobic liquid in the chrome plating solution, the hydrophobic liquid is placed in water and stirred at high speed to prepare multiple microparticles with a constant particle size. It is obtained by dispersing and mixing a plurality of microparticles encapsulated in colloidal form with alcohol or the like in the chromium plating solution. Also, at this time,
By aligning a plurality of microparticles of the hydrophobic liquid into colloidal microparticles with a uniform particle size by means such as electrophoresis, and using the colloidal microparticles with a uniform particle size, the porous chromium plating layer is formed. A plurality of holes 4a formed in 4
(7) The pore diameter can be made more uniform.
上記のようにして形成される多孔質クロムメッキ層４の
複数の孔４ａの容積は、あらかじめクロムメンキｌｐｉ
、に添加した疏水性液体の微小粒子のりとメン牛後のク
ロムメッキ液中に残存する疏水性液体の微小粒子の贋と
を定壜的に測定し、その差を求め、クロムメンキ層４の
複数の孔４ａの形成に消費された疏水性液体の１から複
数の孔４ａの容積が求めることができる。The volume of the plurality of holes 4a of the porous chromium plating layer 4 formed as described above is determined in advance by the chrome plated lpi.
, the fine particle glue of the hydrophobic liquid added to the chrome plating solution and the fake fine particle of the hydrophobic liquid remaining in the chrome plating solution after coating are regularly measured, the difference is determined, and the number of particles of the chrome plating layer 4 is determined. The volume of one to a plurality of pores 4a of the hydrophobic liquid consumed to form the pores 4a can be determined.
したがって、を記のような本発明による軸受摺動面の表
面処理方法にあっては、軸受摺動面のメッキ処理時に疏
水性液体の複数の微小粒子が軸受摺動面の表面に付着し
て残存することにより、微細な複数の孔４ａを均一に、
かつ再現性よく形成可能とし、この複数の孔４ａ内に含
油して、含油軸受としての使用寿命のバラツキが小さい
一定の品質のものが得られ、また、メッキ処理前後のメ
ッキ液中の疏水性液体の微小粒子針を知ることにより、
微細な複数の孔４ａ内に給油できる含油量を計測できる
ので、含油軸受としての耐久性を予知できることとなり
、部品の交換等の品質管理を計画的に行えるものである
。Therefore, in the method for surface treatment of a bearing sliding surface according to the present invention as described above, a plurality of microparticles of hydrophobic liquid adhere to the surface of the bearing sliding surface during plating of the bearing sliding surface. By remaining, a plurality of fine holes 4a are uniformly formed.
Moreover, it can be formed with good reproducibility, and by impregnating the plurality of holes 4a with oil, a constant quality bearing with a small variation in service life as an oil-impregnated bearing can be obtained. By learning about liquid microparticle needles,
Since the oil content that can be supplied into the plurality of fine holes 4a can be measured, the durability of the oil-impregnated bearing can be predicted, and quality control such as replacement of parts can be carried out in a planned manner.
〔発明の効果］
本発明は上記のように、軸受摺動面を、疏水性液体の微
小粒子を均一に分散したメッキ液を用いてメッキして、
多孔質メッキ液）漠を形成し、この多孔質メッキ被膜の
多孔部分に含油するようにしたので、軸受摺動面に微細
な複数の孔を均一に、かつ再現性よく形成可能とし、こ
の複数の孔内に含油して、含油軸受としての使用寿命の
バラツキが小さい一定の品質のものを得ることができる
とともに、メッキ処理前後のメッキ液中の疏水性液体の
微小粒子の消費星を知ることで、その微細な複数のｒＬ
内の含油νを定食的に測定できるので、軸受摺動面の耐
久性が予知でき、部品の交換等の品質管理を計画的に行
えるなどのすぐれた効果を有するものである。[Effects of the Invention] As described above, the present invention includes plating a bearing sliding surface using a plating solution in which microparticles of a hydrophobic liquid are uniformly dispersed.
By forming a porous plating solution and impregnating the porous parts of this porous plating film with oil, it is possible to form multiple fine holes uniformly and with good reproducibility on the sliding surface of the bearing. By impregnating oil into the holes of the bearing, it is possible to obtain a constant quality oil-impregnated bearing with little variation in service life, and to know the consumption star of microparticles of hydrophobic liquid in the plating solution before and after plating treatment. So, those minute multiple rL
Since the oil content ν of the bearing can be measured on a regular basis, the durability of the bearing sliding surface can be predicted, and quality control such as replacement of parts can be carried out in a planned manner.
第１図は本発明の表面処理を施した軸受摺動面の拡大模
式断面図、第２図は従来の表面処理を施した軸受摺動面
の拡大模式断面しＪである。
ｌ、１１・・・・・・素地
２、Ｉ２・・・・≦同メッキ層
３．１３・・・・・ニッケルメッキ層
４・・・・・・多孔質クロムメンキ層
４ ａ ・・・ ・・・ イし
５．１５・・・・・・油
１４・・・・・マイクロクラッククロムメッキ層１４ａ
・・・・・・クラノクFIG. 1 is an enlarged schematic sectional view of a bearing sliding surface subjected to the surface treatment of the present invention, and FIG. 2 is an enlarged schematic sectional view J of a bearing sliding surface subjected to a conventional surface treatment. l, 11...Base 2, I2...≦Same plating layer 3.13...Nickel plating layer 4...Porous chrome coating layer 4 a......・Ishi5.15...Oil 14...Micro crack chrome plating layer 14a
・・・・・・Cranok
Claims (1)
散したメッキ液を用いてメッキして、多孔質メッキ被膜
を形成し、この多孔質メッキ被膜の多孔部分に含油する
ことを特徴とする軸受摺動面の表面処理方法。(1) The bearing sliding surface is plated using a plating solution in which microparticles of a hydrophobic liquid are uniformly dispersed to form a porous plating film, and the porous parts of this porous plating film are impregnated with oil. Features a surface treatment method for bearing sliding surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27142488A JPH02118097A (en) | 1988-10-27 | 1988-10-27 | Surface treatment of sliding surface of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27142488A JPH02118097A (en) | 1988-10-27 | 1988-10-27 | Surface treatment of sliding surface of bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02118097A true JPH02118097A (en) | 1990-05-02 |
| JPH0335398B2 JPH0335398B2 (en) | 1991-05-28 |
Family
ID=17499842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27142488A Granted JPH02118097A (en) | 1988-10-27 | 1988-10-27 | Surface treatment of sliding surface of bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118097A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6329072B1 (en) | 1997-02-21 | 2001-12-11 | Nideo Honma | Microporous copper film and electroless copper plating solution for obtaining the same |
-
1988
- 1988-10-27 JP JP27142488A patent/JPH02118097A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6329072B1 (en) | 1997-02-21 | 2001-12-11 | Nideo Honma | Microporous copper film and electroless copper plating solution for obtaining the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0335398B2 (en) | 1991-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2995462A (en) | Bearing material | |
| Roos et al. | The development of composite plating for advanced materials | |
| US5496463A (en) | Process and apparatus for composite electroplating a metallic material | |
| US5520791A (en) | Non-homogenous composite plating coating | |
| US3575787A (en) | Plastic bearing-bushing material | |
| DE4038139A1 (en) | Composite plain bearing used in Diesel engines - comprises aluminium@ alloy coating on steel support layer having aluminium oxide-contg. coating having pores filled with solid lubricant | |
| US6663758B2 (en) | Method and apparatus for producing electrolytic copper foil | |
| KR910007061B1 (en) | Method for providing a design pattern on a metal stencil and metal stencil having a patternable covering layer | |
| JPH02118097A (en) | Surface treatment of sliding surface of bearing | |
| US20190249320A1 (en) | Mesh filter production method and mesh filter | |
| US2620296A (en) | Method of electrolytically coating and etching bearing surfaces | |
| RU2368709C2 (en) | Method of receiving of electroplates, modified by nanodiamonds | |
| US4085010A (en) | Process for powder-dispersed composite plating | |
| JPH10195689A (en) | Manufacture of finely perforated metallic foil | |
| US5540829A (en) | Composite plating method for hollow member | |
| Leimbach et al. | Low-frequency pulse plating for tailoring the optical appearance of chromium layers for decorative applications | |
| US5056220A (en) | Method of making a paper machine roll | |
| DE112014004565T5 (en) | A drum electrode, a method of manufacturing a drum electrode, a plating apparatus, a method of manufacturing a resin-formed body, and a method of producing a porous metal body | |
| DE2404097A1 (en) | METHOD AND DEVICE FOR APPLYING A FINALLY DISTRIBUTED POWDER CONTAINING COMPOSITE COATING TO OBJECTS | |
| US6951423B2 (en) | Sintered bearing and production method therefor | |
| JPH0368778A (en) | Sliding member | |
| JPH0286067A (en) | Manufacture of fuel cell base | |
| DE112009000062B4 (en) | Coated aluminum product | |
| CN102162117A (en) | Deposition process for improving compound quantity of nanoparticles in electric deposition | |
| JPH03138376A (en) | Surface-treated industrial machine parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |