JPH0216169B2 - - Google Patents
Info
- Publication number
- JPH0216169B2 JPH0216169B2 JP57025645A JP2564582A JPH0216169B2 JP H0216169 B2 JPH0216169 B2 JP H0216169B2 JP 57025645 A JP57025645 A JP 57025645A JP 2564582 A JP2564582 A JP 2564582A JP H0216169 B2 JPH0216169 B2 JP H0216169B2
- Authority
- JP
- Japan
- Prior art keywords
- metal
- flat
- metal surfaces
- parts
- uneven
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
【発明の詳細な説明】
本発明は、金属表面同志の接触によつてトルク
伝達を行う部品の金属表面が油潤滑下で安定した
摩擦係数を得るための金属表面加工方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a metal surface processing method for obtaining a stable friction coefficient under oil lubrication on the metal surface of a component that transmits torque through contact between the metal surfaces.
例えば、無段変速機や油中で使用されるタイプ
のクラツチなどに適用される、油潤滑下で金属表
面同志が接触してトルク伝達を行う部品におい
て、金属表面の安定な摩擦係数を得るためには油
膜切りの深穴とトルク伝達のための平面とが必要
である。 For example, to obtain a stable coefficient of friction on metal surfaces in parts that transmit torque by contacting metal surfaces under oil lubrication, such as in continuously variable transmissions and clutches used in oil. requires a deep hole to cut the oil film and a flat surface for torque transmission.
しかしながら、従来のシヨツトブラスト、粗研
削および放電加工などの金属表面加工技術では、
いずれの場合もなだらかな起伏の凹凸を得るのみ
であり、十分な接触面積（平面）を得ようとする
と逆に油膜切りに必要な深さの窪みを得ることが
できなかつた。 However, traditional metal surface processing techniques such as shot blasting, rough grinding and electrical discharge machining
In either case, only gently undulating irregularities were obtained, and when an attempt was made to obtain a sufficient contact area (flat surface), it was not possible to obtain depressions of the depth necessary for cutting the oil film.
本発明は、上記問題を解決するためのものであ
り、部品の金属表面にトルク伝達に必要な平面部
分と油膜切りに必要な点在した深穴とを形成し、
油潤滑下で安定した摩擦係数をもつ表面が得られ
るようにした金属表面加工方法を提供することを
目的とする。 The present invention is intended to solve the above-mentioned problems, and includes forming flat portions necessary for torque transmission and scattered deep holes necessary for cutting oil film on the metal surface of parts,
The object of the present invention is to provide a metal surface processing method that allows a surface with a stable coefficient of friction to be obtained under oil lubrication.
本発明は、金属表面同志の接触によつてトルク
伝達を行う部品に用いられる材料の接触させるべ
き金属表面を少なくとも該金属表面より高硬度の
凹凸面で押圧処理した後、該処理金属表面を少な
くとも該金属表面より高硬度の平坦面によつて押
圧して該金属表面に平面部分と点在する穴とを形
成することを特徴とする金属表面加工方法であ
る。 The present invention applies pressure treatment to the metal surfaces of materials used in parts that transmit torque through contact between the metal surfaces with an uneven surface having a harder hardness than that of the metal surfaces, and then the treated metal surfaces at least This metal surface processing method is characterized in that a flat surface with a higher hardness is pressed against the metal surface to form a flat portion and scattered holes on the metal surface.
本発明において適用される金属表面同志の接触
によつてトルク伝達を行なう部品は、例えば無段
変速機や油中で使用されるタイプのクラツチに用
いられるものである。 The parts to which torque is transmitted by contact between metal surfaces to which the present invention is applied are those used, for example, in continuously variable transmissions and clutches of the type used in oil.
この部品に用いられる材料の接触させるべき金
属表面に一旦凹凸面を形成するための凹凸面を有
するものとしては、少なくとも該金属表面より高
硬度の凹凸面を有するものであつて、最終金属表
面に形成される平面部分と点在する深穴とを考慮
したものが使用できる。例えば、全体の50％以上
が粒径10μ以上である硬質粒子を金属製の平板上
に有するものや＃12〜400のエメリー紙などがあ
げられる。この凹凸面を金属表面と押圧するに
は、適用される金属表面の硬さによるが、金属表
面に深さ10μ以上の深さの穴を多数形成するよう
な面圧例えば２〜６トン／cm2で行なう。 The material used in this part has an uneven surface to temporarily form an uneven surface on the metal surface to be brought into contact, and must have an uneven surface with at least a higher hardness than the metal surface, and the final metal surface should have an uneven surface. It is possible to use a method that takes into account the flat portion to be formed and the deep holes scattered there. Examples include those having hard particles on a metal flat plate, of which 50% or more of the total particle size is 10 μm or more, and #12 to #400 emery paper. In order to press this uneven surface against the metal surface, it is necessary to apply a surface pressure of, for example, 2 to 6 tons/cm to form many holes with a depth of 10μ or more on the metal surface, depending on the hardness of the metal surface to be applied. Do it in 2 .
この凹凸状に形成された金属加工面を押圧する
ための平坦面を有するものとしては、少なくとも
該金属加工面より高硬度な材質のもの、例えば冷
間工具用鋼などが使用できる。そして押圧力は、
金属加工面と平坦面との硬さによつて異なるが、
通常２〜６トン／cm2の面圧で行なう。 As a material having a flat surface for pressing the uneven metal processing surface, a material having at least a higher hardness than the metal processing surface, such as steel for cold working tools, can be used. And the pressing force is
It varies depending on the hardness of the metal processed surface and the flat surface, but
It is usually carried out at a surface pressure of 2 to 6 tons/cm 2 .
以上の工程によつて、金属加工面の平坦面積を
増加させるとともに穴の開口部を小さくして、保
油効果を向上させる部品を得ることができる。 Through the above steps, it is possible to obtain a component in which the flat area of the metal processed surface is increased, the opening of the hole is made small, and the oil retention effect is improved.
具体的には金属加工面に、トルク伝達に必要な
全面積の10％以上の平面部が形成され、さらに残
りの面積を占める点在する穴のうち、40％以上が
油膜切りに必要な深さ10μ以上である深穴が形成
される。 Specifically, a flat part is formed on the metal surface that is more than 10% of the total area necessary for torque transmission, and of the scattered holes that occupy the remaining area, more than 40% have a depth necessary for cutting the oil film. A deep hole with a diameter of 10μ or more is formed.
以下、本発明方法の実施例を図に従つて説明す
る。 Examples of the method of the present invention will be described below with reference to the drawings.
第１図において、高炭素クロム軸受用鋼
（SUJ2）球状化焼鈍材（Hv240）製の部品用材料
１の平坦な表面１ａに、まず＃80〜100のエメリ
ー紙２を図中矢印方向に載せ、その上面より平板
プレスとで２〜4.5トン／cm2の面圧にて加圧して、
深さ10μ以上の凹凸を材料１の表面につけた。 In Fig. 1, emery paper 2 of #80 to 100 is first placed on the flat surface 1a of component material 1 made of high carbon chromium bearing steel (SUJ2) spheroidized annealed material (Hv240) in the direction of the arrow in the figure. , pressurize the top surface with a flat plate press at a surface pressure of 2 to 4.5 tons/cm 2 ,
Irregularities with a depth of 10 μ or more were formed on the surface of material 1.
次に第２図に示すように、硬度Hv350の鋼製押
圧部材３の平面３ａを図中矢印方向に２〜4.5ト
ン／cm2の面圧で材料１の凹凸状の表面１ａに押し
つけることによつて、第３図に示すような形状で
あつて材料１の表面積全体の60〜80％が平面部分
１ｂであり、一方、点在する穴１ｃの30〜60％が
その開口部が小さく、そして深さ5μ以上の深穴
であるものが得られた。なお、第３図において、
ｈで示す穴１ｃの深さは10μであり、他の穴１ｃ
の深さもこれを基準にして理解されたい。 Next, as shown in Fig. 2, the flat surface 3a of the steel pressing member 3 with a hardness of Hv350 is pressed against the uneven surface 1a of the material 1 with a surface pressure of 2 to 4.5 tons/cm 2 in the direction of the arrow in the figure. Therefore, with the shape shown in FIG. 3, 60 to 80% of the entire surface area of the material 1 is the flat portion 1b, while 30 to 60% of the scattered holes 1c have small openings. A deep hole with a depth of 5μ or more was obtained. In addition, in Figure 3,
The depth of the hole 1c indicated by h is 10μ, and the depth of the other hole 1c
The depth of this should also be understood based on this.
このように処理した表面を有する材料１を油潤
滑下で金属表面同志が接触してトルク伝達を行う
ような部品に用いると、深穴１ｃで油膜が切断さ
れ、金属面同志は境界潤滑状態となる。したがつ
て横軸に滑り速度（ｍ／秒）、縦軸に摩擦係数と
した関係を示す第４図において、実線で示した本
発明方法によつて処理した部品は、破線で示した
ジヨイントブラスト法によつて処理した部品のも
のに比べ、安定した摩擦係数を得ることができ
る。さらに本発明方法で処理したものは、10％以
上の平面を有するために大きなトルク伝達効率が
得られた。 When the material 1 having the surface treated in this way is used in parts where metal surfaces contact each other under oil lubrication to transmit torque, the oil film is cut at the deep hole 1c, and the metal surfaces are brought into a state of boundary lubrication. Become. Therefore, in FIG. 4, which shows the relationship between the sliding speed (m/sec) on the horizontal axis and the friction coefficient on the vertical axis, the parts treated by the method of the present invention shown by the solid line have joints shown by the broken line. A more stable coefficient of friction can be obtained compared to parts treated by blasting. Furthermore, the material treated by the method of the present invention had a flat surface area of 10% or more, so a high torque transmission efficiency was obtained.
以上説明したように本発明方法によれば、トル
ク伝達用の部品の金属表面に、トルク伝達に必要
な平面部分と、油膜切りに必要な深穴を点在させ
ることができ、このような表面を有する金属面同
志に油潤滑下で安定した摩擦係数と、高い伝達効
率を付与することができる。 As explained above, according to the method of the present invention, the metal surface of the torque transmission component can be dotted with flat parts necessary for torque transmission and deep holes necessary for removing oil film, and such a surface can be It is possible to impart a stable coefficient of friction and high transmission efficiency to metal surfaces with oil lubrication.
また、本発明は、凹凸状に形成された金属表面
を少なくとも該金属表面より高硬度の平坦面で押
圧すると同時に、部品全体の寸法矯正も行なうこ
とが可能であり、高い寸法精度が要求される部品
の加工にも適している。 Furthermore, the present invention makes it possible to press an uneven metal surface with at least a flat surface that is harder than the metal surface, and at the same time to correct the dimensions of the entire part, which requires high dimensional accuracy. It is also suitable for processing parts.
第１図ないし第３図は本発明方法の一例を示す
図であつて、第１図は部品用材料にエメリー紙を
押しつける直前の状態を示す断面図、第２図は凹
凸状に形成された部品用材料に平坦面を押しつけ
る直前の状態を示す断面図、第３図は最終処理後
の部品用材料を示す断面図、第４図は部品の滑り
速度と摩擦係数との関係を示すグラフである。
図中、１……部品用材料、１ａ……材料の金属
表面、１ｂ……平面部分、１ｃ……穴、２……エ
メリー紙、３……押圧部材、３ａ……平面。
Figures 1 to 3 are diagrams showing an example of the method of the present invention, in which Figure 1 is a cross-sectional view showing the state immediately before pressing the emery paper against the component material, and Figure 2 is a cross-sectional view showing the emery paper formed in an uneven shape. A cross-sectional view showing the state immediately before pressing a flat surface onto the part material, Figure 3 is a cross-sectional view showing the part material after final processing, and Figure 4 is a graph showing the relationship between the sliding speed and friction coefficient of the part. be. In the figure, 1...material for parts, 1a...metal surface of material, 1b...flat portion, 1c...hole, 2...emery paper, 3...pressing member, 3a...plane.
Claims (1)
う部品に用いられる材料の接触させるべき金属表
面を少なくとも該金属表面より高硬度の凹凸面で
押圧処理した後、該処理金属表面を少なくとも該
金属表面より高強度の平坦面によつて押圧して該
金属表面に平面部分と点在する穴とを形成するこ
とを特徴とする金属表面加工方法。1. After pressing the metal surfaces of materials used in parts that transmit torque through contact between metal surfaces with an uneven surface that is harder than the metal surfaces, the treated metal surfaces are pressed against the surfaces of the metal surfaces. A metal surface processing method characterized by forming flat portions and scattered holes on the metal surface by pressing with a flat surface of higher strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57025645A JPS58141828A (en) | 1982-02-19 | 1982-02-19 | Surface working of metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57025645A JPS58141828A (en) | 1982-02-19 | 1982-02-19 | Surface working of metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58141828A JPS58141828A (en) | 1983-08-23 |
| JPH0216169B2 true JPH0216169B2 (en) | 1990-04-16 |
Family
ID=12171562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57025645A Granted JPS58141828A (en) | 1982-02-19 | 1982-02-19 | Surface working of metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58141828A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331889A (en) * | 1997-05-29 | 1998-12-15 | Dainatsukusu:Kk | Wet type friction plate provided with pores in its surface |
| JP2007155120A (en) * | 2005-11-14 | 2007-06-21 | Nsk Ltd | Oil pool forming method for lubricating machine element, lubricating machine element, pinion, gear, rack, screw shaft, spline shaft, and steering device |
| CN103889641B (en) * | 2011-10-24 | 2016-08-17 | 舍弗勒技术股份两合公司 | Method for laser machining of metallic friction surfaces and sheet metal part machined by the method |
-
1982
- 1982-02-19 JP JP57025645A patent/JPS58141828A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58141828A (en) | 1983-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3654692A (en) | Method of making friction disc variators | |
| US4380355A (en) | Gas-lubricated bearings | |
| US3574658A (en) | Dry-lubricated surface and method of producing such surfaces | |
| US5925837A (en) | Manufacturing method and products of metallic friction material | |
| Landheer et al. | The mechanism of metal transfer in sliding friction | |
| Pettersson et al. | Textured surfaces in sliding boundary lubricated contacts–mechanisms, possibilities and limitations | |
| JPH0216169B2 (en) | ||
| KR19980080976A (en) | Bearing mechanism with improved interference fit | |
| Sakamoto et al. | Friction and prow formation in a scratch process of copper by a diamond cone | |
| NL1014723C2 (en) | Method for finishing the surface of a rolling contact component. | |
| JPH08233003A (en) | Wet friction plate | |
| JP3440657B2 (en) | Finishing method of traction drive rolling element surface | |
| JP3186389B2 (en) | Sliding surface and method of making the same | |
| RU2153974C2 (en) | Noncontinuous grinding wheel | |
| JPH07116958A (en) | Method of processing the surface of the rotating shaft | |
| JPH04119227A (en) | Clutch mating member | |
| RU2013163C1 (en) | Method for extrusion of workpieces from sheet materials | |
| Sargent Jr et al. | Surface Roughness Considerations in Metalworking.(Pamphlet) | |
| BORMANN | New process in surface technology: Ball burnishing | |
| SU848330A1 (en) | Abrasive tool | |
| SU817350A1 (en) | Method of applying support lubricating solid antifriction coatings on the inner surface of sliding-contact bearings | |
| RU96117153A (en) | METHOD FOR TESTING AND EVALUATING EFFICIENCY OF TECHNOLOGICAL LUBRICANTS | |
| Kovalev et al. | Effect of Boundary Conditions on the Stress--Strain State of the Material in Strip Rolling | |
| Schey | Friction in sheet forming with soft and hard tooling | |
| Morimoto | Effect of lubricant fluid on the burnishing process using a rotating ball-tool |