JPH0578792A - Rotary type fluid compressor - Google Patents

Rotary type fluid compressor

Info

Publication number
JPH0578792A
JPH0578792A JP4026765A JP2676592A JPH0578792A JP H0578792 A JPH0578792 A JP H0578792A JP 4026765 A JP4026765 A JP 4026765A JP 2676592 A JP2676592 A JP 2676592A JP H0578792 A JPH0578792 A JP H0578792A
Authority
JP
Japan
Prior art keywords
vane
fluid compressor
nitriding treatment
rotary fluid
groove
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
Application number
JP4026765A
Other languages
Japanese (ja)
Other versions
JP3202301B2 (en
Inventor
Shigeo Uehara
茂雄 上原
Shunsuke Takeguchi
俊輔 竹口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Piston Ring Co Ltd
Original Assignee
Nippon Piston Ring Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Piston Ring Co Ltd filed Critical Nippon Piston Ring Co Ltd
Priority to JP02676592A priority Critical patent/JP3202301B2/en
Publication of JPH0578792A publication Critical patent/JPH0578792A/en
Application granted granted Critical
Publication of JP3202301B2 publication Critical patent/JP3202301B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To provide an ideal rotary type fluid compressor in terms of compatibility between the mutual properties on the wearing to a roller and a vane groove by making the vane having stable quality, in which a compound layer is easily developed on the vane surface and this layer thickness is easily controlled to have a high wear resistance and the dimensional unevenness is little. CONSTITUTION:The vane 5 sliding in the vane groove 4 is composed of a steel material containing 0.50-1.30wt.% C, 11.0-20.0wt.% Cr and the balance Fe and applying the quenching, and on this surface, ion nitriding treatment is applied. Further, as the other material sliding with this vane 5, a cast iron having 0.10-6.00% carbide, any type of A, B, D and E in a graphite form in ASTM standard, the tempered martensite in the structure and the hardness of HRC 40-60 is used.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は回転式流体コンプレッサ
に係り、特にベーン及びこれと摺動する相手材の材質構
造を改良した回転式流体コンプレッサに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary fluid compressor, and more particularly to a rotary fluid compressor in which the material structure of a vane and a mating material that slides with the vane are improved.

【0002】[0002]

【従来の技術】一般に、ベーンを備えた回転式流体コン
プレッサとしては、例えば、揺動ロータ型のコンプレッ
サが知られている。
2. Description of the Related Art Generally, as a rotary fluid compressor having a vane, for example, an oscillating rotor compressor is known.

【0003】この種の回転式流体コンプレッサのロータ
ハウジングに形成されたベーン溝内にはベーンが進退自
在に挿入されており、該ベーンは、ロータの偏芯回転に
応じて上記ロータハウジング内から進退するようになっ
ている。
A vane is inserted into a vane groove formed in a rotor housing of a rotary fluid compressor of this type so as to be able to move forward and backward, and the vane moves forward and backward from the rotor housing in accordance with eccentric rotation of the rotor. It is supposed to do.

【0004】その際、上記ベーンはベーン溝内で上記ロ
ータの回転方向に傾斜して摺動するため、該ロータと上
記ベーンの先端部とが接触して摩耗する。従って、回転
式流体コンプレッサのベーンには、耐摩耗性に著しく優
れた材質が採用されることが必要であった。
At this time, since the vane slides in the vane groove while tilting in the rotational direction of the rotor, the rotor and the tip of the vane come into contact with each other and wear. Therefore, it has been necessary to use a material having extremely excellent wear resistance for the vanes of the rotary fluid compressor.

【0005】しかるに、従来、ベーン材料としては、ク
ロム軸受鋼の如き鋼を用いることが知られているが、こ
れは懸案の耐摩耗性において問題の残るものであった。
即ち、上記鋼製のベーンにあっては高硬度のCr炭化物
の析出量が少ないために耐摩耗性が劣り、高負荷時や連
続使用時において相手材としてのローラやベーン溝部分
に比して、ベーン自体の摩耗が多かった。
Conventionally, however, it has been known to use a steel such as a chrome bearing steel as the vane material, but this has been a problem in the pending wear resistance.
That is, in the above steel vane, the amount of precipitation of high-hardness Cr carbide is small, so that the wear resistance is inferior, and compared with the counterpart roller or vane groove portion under high load or continuous use. The vanes themselves were often worn.

【0006】そこで、本出願人は特公平1−18985
号公報において、C及びCrの含有量を高めた鋼材の表
面に軟窒化処理を施してベーンを形成し、且つ、該ベー
ンと摺動する相手材の黒鉛形状等を特定して構成した回
転式流体コンプレッサを提案した。
[0006] Therefore, the applicant of the present invention is Japanese Patent Publication No. 1-18985
Japanese Patent Laid-Open Publication No. JP-A-2004-242242, in which a vane is formed by soft-nitriding the surface of a steel material having an increased content of C and Cr, and the graphite shape of a mating material that slides with the vane is specified. A fluid compressor was proposed.

【0007】[0007]

【発明が解決しようとする課題】ところで、従来の回転
式流体コンプレッサにあっては、耐摩耗性を有するベー
ンを形成するために、塩浴軟窒化処理やガス窒化処理を
採用して、ベーンの形状を呈する鋼材の表面に窒化層を
生成させていたが、これらの軟窒化処理にあっては、耐
摩耗性に重要な化合物層(Fe4 N)が生成され難かっ
たり、その層厚のコントロールが困難であるという課題
があった。
By the way, in the conventional rotary fluid compressor, in order to form a vane having wear resistance, a salt bath nitrocarburizing treatment or a gas nitriding treatment is adopted to remove the vane. A nitriding layer was formed on the surface of shaped steel, but with these soft nitriding treatments, the compound layer (Fe 4 N), which is important for wear resistance, is difficult to form, and the layer thickness is controlled. There was a problem that it was difficult.

【0008】また、上記軟窒化処理により形成したベー
ンにあっては、寸法変化量及び寸法バラツキも大きく、
窒化処理後に仕上加工を必要としており、さらに、上記
ベーンは対ローラ、対ベーン溝の摩耗上の相性において
必ずしも理想的ではない。
Further, in the vane formed by the above soft nitriding treatment, the dimensional change amount and the dimensional variation are large,
A finishing process is required after the nitriding treatment, and the vanes are not always ideal in terms of wear compatibility with the rollers and the vane grooves.

【0009】本発明は、上記課題に鑑みてなされたもの
で、ベーン表面に化合物層(Fe4 N)が生成され易
く、その層厚のコントロールが容易で耐摩耗性に富み、
且つ、寸法変化量及び寸法バラツキの少ない安定した品
質のベーンを備え、対ローラ、対ベーン溝の摩耗上の相
性において理想的な回転式流体コンプレッサを提供する
ことを目的とする。
The present invention has been made in view of the above problems, and a compound layer (Fe 4 N) is easily formed on the surface of the vane, the layer thickness is easily controlled, and the abrasion resistance is high.
Another object of the present invention is to provide a rotary fluid compressor having stable vane quality with less dimensional variation and dimensional variation, and ideal in terms of wear compatibility between the roller and the vane groove.

【0010】[0010]

【課題を解決するための手段】上記目的は、本発明に係
る回転式流体コンプレッサによれば、ベーン溝中に嵌装
され、このベーン溝内をベーンが摺動する回転式流体コ
ンプレッサにおいて、上記ベーンが重量%で、C(炭
素):0.50〜1.30%、Cr(クロム):11.0〜20.0%、
及び残部Feを含有する焼入れを施した鋼材から成り、
その表面にイオン窒化処理が施されており、また該ベー
ンと摺動する相手材を炭化物が0.10〜6.00%で、その黒
鉛形状がASTM規格のA、B、D、Eのいずれかのタ
イプであり、組織が焼戻しマルテンサイトを有し、且つ
硬さがHRC40〜60の鋳鉄となしたことにより、達成さ
れる。
According to the rotary fluid compressor of the present invention, the above object is achieved in a rotary fluid compressor which is fitted in a vane groove and in which the vane slides. % Vane, C (carbon): 0.50 to 1.30%, Cr (chromium): 11.0 to 20.0%,
And a quenched steel material containing the balance Fe,
The surface is ion-nitrided, and the counterpart material that slides with the vane is 0.10 to 6.00% carbide and the graphite shape is one of the ASTM standard A, B, D, and E types. It is achieved by the fact that the structure is tempered martensite and the cast iron has a hardness of HRC 40-60.

【0011】[0011]

【作用】上記構成によれば、ベーンを形成する鋼材のC
及びCrの含有量を高めたので、該鋼材中に高硬度のC
r炭化物の析出量が多くなる。そして、その鋼材の表面
にイオン窒化処理を施したので、ベーン表面に化合物層
(Fe4 N)が生成され易く、その層厚のコントロール
が容易になり、その結果、耐摩耗性が向上する。
According to the above construction, the C of the steel material forming the vane is formed.
Since the contents of Cr and Cr are increased, the high hardness of C in the steel material
The precipitation amount of r-carbide increases. Since the surface of the steel material is subjected to the ion nitriding treatment, the compound layer (Fe 4 N) is easily generated on the surface of the vane, the layer thickness is easily controlled, and as a result, the wear resistance is improved.

【0012】また、窒化品質は化学反応作用によらず、
イオン化された窒素ガスによる窒化処理であるため、化
合物層厚さや拡散層厚さを、温度、時間及びH2 :N2
のガス比をコントロールすることにより、自由に析出調
整することが可能であり、且つ、寸法変化量及び寸法バ
ラツキの少ない安定した品質のベーンを得ることができ
る。
The nitriding quality does not depend on the chemical reaction action,
Since it is a nitriding treatment using ionized nitrogen gas, the compound layer thickness and the diffusion layer thickness are set to the temperature, the time, and the H 2 : N 2
By controlling the gas ratio of, it is possible to freely control the precipitation, and to obtain a vane of stable quality with little dimensional change and dimensional variation.

【0013】さらに、上記ベーンと摺動する相手材の黒
鉛形状や組織等を特定したので、対ローラ、対ベーン溝
の摩耗上の相性において理想的なものを実現することが
できる。
Furthermore, since the graphite shape and structure of the mating material that slides on the vane are specified, it is possible to realize the ideal wear compatibility of the roller pair and the vane groove.

【0014】上記成分限定の理由は以下の通りである。
即ち、Cの重量%は0.50〜1.30%であるが、1.30%以上
では粗大なCr炭化物の生成が多過ぎて耐摩耗性が過大
となり、又、0.50%以下ではCr炭化物の生成が少なく
耐摩耗性に劣るからである。また、Crの重量%はC量
と密接な関係があり11.0〜20.0%としているが、20.0%
以上ではCr炭化物の生成が過剰となるため相手材を著
しく摩耗させてしまうからである。そして、Crが11.0
%以下ではCr炭化物の生成が少なく耐摩耗性に劣り、
又、耐蝕性が低下するからである。
The reasons for limiting the above components are as follows.
That is, the weight% of C is 0.50 to 1.30%, but if it is 1.30% or more, coarse Cr carbides are excessively produced, resulting in excessive wear resistance, and if it is 0.50% or less, Cr carbides are scarcely produced. Because it is inferior in sex. Also, the weight% of Cr is closely related to the amount of C and is set to 11.0 to 20.0%, but 20.0%
This is because the Cr carbides are excessively produced and the mating material is significantly worn away. And Cr is 11.0
% Or less, less generation of Cr carbide occurs, resulting in poor wear resistance,
Also, the corrosion resistance is reduced.

【0015】[0015]

【実施例】以下、本発明に係る回転式流体コンプレッサ
の一実施例を添付図面に基づいて詳細に説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a rotary fluid compressor according to the present invention will be described in detail below with reference to the accompanying drawings.

【0016】図1に示されているように、本実施例の回
転式流体コンプレッサ1のケース2内にはロータハウジ
ング3が収納されており、このロータハウジング3に形
成されたベーン溝4内にはベーン5がケース2の半径方
向に進退自在に挿入されている。
As shown in FIG. 1, a rotor housing 3 is housed in a case 2 of a rotary fluid compressor 1 of this embodiment, and a vane groove 4 formed in the rotor housing 3 has a rotor housing 3 therein. The vane 5 is inserted in the case 2 so as to be movable back and forth in the radial direction.

【0017】上記ベーン5は、重量%で、C:0.50〜1.
30%、Cr:11.0〜20.0%、及び残部Feを含む焼入れ
を施した鋼材から成っている。Cを0.50〜1.30%に成分
限定した理由は、1.30%以上では粗大なCr炭化物の生
成が多過ぎて耐摩耗性が過大となり、又、0.50%以下で
はCr炭化物の生成が少なく耐摩耗性に劣るからであ
る。また、Crを11.0〜20.0%に成分限定した理由は、
C量と密接な関係があり、20.0%以上ではCr炭化物の
生成が過剰となるため相手材を著しく摩耗させてしまう
からである。そして、11.0%以下ではCr炭化物の生成
が少なく耐摩耗性に劣り、又、耐蝕性が低下するからで
ある。
The vane 5 has a weight ratio of C: 0.50 to 1.
It is made of a hardened steel material containing 30%, Cr: 11.0 to 20.0%, and the balance Fe. The reason why the content of C is limited to 0.50 to 1.30% is that when 1.30% or more, coarse Cr carbides are excessively produced and wear resistance becomes excessive, and when 0.50% or less, Cr carbides are scarcely produced and wear resistance is increased. Because it is inferior. The reason for limiting Cr to 11.0 to 20.0% is as follows.
This is because it has a close relationship with the amount of C, and if the content is 20.0% or more, the formation of Cr carbide becomes excessive, so that the counterpart material is significantly worn. If it is 11.0% or less, the amount of Cr carbide generated is small, the wear resistance is poor, and the corrosion resistance is low.

【0018】なお、上記ベーンに更にMo:0.10〜
1.50%、V:0.07〜0.15%の双方もしくは
いずれか一方を含ませることによって一層改善されるも
のである。即ち、Moは0.10〜1.50%である
が、この範囲で焼入性の改善が実現される。Vは0.0
7〜0.15%であるが、この範囲で炭化物生成に効果
的な寄与が行なわれる。
Further, Mo: 0.10 to 0.10 is further added to the above vane.
It is further improved by including both or one of 1.50% and V: 0.07 to 0.15%. That is, although Mo is 0.10 to 1.50%, improvement of hardenability is realized in this range. V is 0.0
Although it is 7 to 0.15%, effective contribution is made to carbide formation in this range.

【0019】本発明における回転式流体コンプレッサで
使用されるベーン材においては、さらに望ましくはS
i:1.0%以下、Mn:1.0%以下、P:0.06
%以下、S:0.05%以下、Ni:1.0%以下を含
有するものとする。Siは1.0%を越えると析出炭化
物量が低下し圧延性も低下する。Niは靭性改良の点だ
けを考えれば多い方が好ましいが非常に高価である。
In the vane material used in the rotary fluid compressor according to the present invention, more preferably S
i: 1.0% or less, Mn: 1.0% or less, P: 0.06
% Or less, S: 0.05% or less, Ni: 1.0% or less. If Si exceeds 1.0%, the amount of precipitated carbides decreases and the rolling property also decreases. From the viewpoint of improving the toughness, it is preferable that the amount of Ni is large, but it is very expensive.

【0020】そして、このような成分を有するベーン形
状の鋼材の表面には、イオン窒化処理が施されている。
ここで、イオン窒化処理とは、低圧H2 、N2 のガス雰
囲気中で炉壁を陽極、ベーン5を陰極とし、 300〜1200
Vの電圧を加えてグロー放電させるものであり、イオン
化したNは加速されて陰極に衝突し、上記ベーン5が加
熱されると共にNが浸入して該ベーン5の表面に窒化層
が形成されるものである。このイオン窒化処理は400〜
500℃の低温処理が可能であり、迅速な窒化処理であ
る。
Then, the surface of the vane-shaped steel material having such components is subjected to ion nitriding treatment.
Here, the ion nitriding treatment means that the furnace wall is an anode and the vane 5 is a cathode in a low pressure H 2 and N 2 gas atmosphere, and the ion nitriding treatment is 300 to 1200.
A glow discharge is performed by applying a voltage of V, and the ionized N is accelerated and collides with the cathode, and the vane 5 is heated and N penetrates to form a nitride layer on the surface of the vane 5. It is a thing. This ion nitriding process is 400 ~
It can be processed at a low temperature of 500 ° C and is a rapid nitriding process.

【0021】具体的には、上記ベーン5のイオン窒化処
理は次のようにして行う。図2に示されているように、
複数枚のベーン5をその厚さ方向に重合させ、これらを
ワーククランプ9で束ねる。このワーククランプ9は、
二枚の締め板10a,10bと、この締め板10a,1
0bに掛け渡して挿通された二組のクランプ用ボルト・
ナット11a,11bとからなっている。そして、この
ようにワーククランプ9で束ねた複数枚のベーン5を炉
内に入れ、イオン窒化処理を施す。
Specifically, the ion nitriding treatment of the vane 5 is performed as follows. As shown in Figure 2,
A plurality of vanes 5 are superposed in the thickness direction, and these are bundled by a work clamp 9. This work clamp 9
Two fastening plates 10a, 10b and these fastening plates 10a, 1
Two sets of clamp bolts that are passed over 0b and inserted
It consists of nuts 11a and 11b. Then, the plurality of vanes 5 thus bundled by the work clamps 9 are put into a furnace and subjected to an ion nitriding treatment.

【0022】すると、図3に示されているように、ベー
ン5の先端部5a、上下面5b,5c、及び後述する圧
縮コイルスプリング8(図1)による付勢面5dにのみ
イオン窒化処理が施工されることになる。尚、上記ベー
ン5の付勢面5dは摩耗しないため必ずしもイオン窒化
処理を施す必要はないが、この実施例のように処理され
ていても構わない。また、ベーン5の平行な両側面5e
は摩耗量が少ないため、本実施例ではイオン窒化処理は
施されないが、他の施工方法により該両側面5eにイオ
ン窒化処理を施工してもよい。
Then, as shown in FIG. 3, ion nitriding treatment is applied only to the tip portion 5a of the vane 5, the upper and lower surfaces 5b and 5c, and the biasing surface 5d by the compression coil spring 8 (FIG. 1) described later. Will be constructed. Incidentally, since the urging surface 5d of the vane 5 does not wear, it is not always necessary to perform the ion nitriding treatment, but it may be treated as in this embodiment. Further, both side surfaces 5e parallel to the vane 5
Since the amount of abrasion is small, the ion nitriding treatment is not performed in this embodiment, but the ion nitriding treatment may be performed on the both side surfaces 5e by another method.

【0023】また、図1に示されるように、上記回転式
流体コンプレッサ1のロータ6は、上記ロータハウジン
グ3内に設けられたクランク軸7に回転自在に嵌装され
ている。上記ベーン5は、上記ベーン溝4内に設けられ
た圧縮コイルスプリング8により半径方向内方に付勢さ
れ、上記ロータ6の偏芯回転に応じて上記ロータハウジ
ング3内から進退するようになっている。
Further, as shown in FIG. 1, the rotor 6 of the rotary fluid compressor 1 is rotatably fitted on a crankshaft 7 provided in the rotor housing 3. The vane 5 is biased inward in the radial direction by a compression coil spring 8 provided in the vane groove 4, and moves forward and backward from the rotor housing 3 in accordance with the eccentric rotation of the rotor 6. There is.

【0024】上記ベーン5と摺動する相手材としてのベ
ーン溝4やロータ6は、鋳鉄にて形成されており、炭化
物量が0.10〜6.00重量%で、その黒鉛形状がASTM規
格のA、B、D、Eのいずれかのタイプであり、各タイ
プの組織が焼戻しマルテンサイトを有し、且つ硬さがH
RC40〜60である。さらに具体的には、例えばNi−C
r−Moを含有する鋳鉄の焼入、焼戻し後の組織は黒鉛
形状がASTM規格のAまたはBタイプであり、炭化物
量が2〜6重量%、硬さがHRC48〜55である。
The vane groove 4 and the rotor 6 as the mating members that slide with the vanes 5 are formed of cast iron, and the amount of carbide is 0.10 to 6.00% by weight, and the graphite shape thereof is ASTM standard A, B. , D, or E type, each type of structure has tempered martensite, and hardness is H
RC40-60. More specifically, for example, Ni-C
The structure of the cast iron containing r-Mo after quenching and tempering has a graphite shape of ASTM standard A or B type, a carbide amount of 2 to 6% by weight, and a hardness of HRC 48 to 55.

【0025】次に、上記実施例における作用を述べる。
上述したように、上記ベーン5はベーン溝4内で上記ロ
ータ6の回転方向に傾斜して摺動するため、図4に示さ
れているように、該ロータ6と上記ベーン5の先端部5
aとが接触し、また上記ベーン溝4の入口部4aとベー
ン5の両側面部5eとが接触し、さらにベーン溝4の上
下部とベーン5の上下面5b,5cとが接触し合うこと
になる。
Next, the operation of the above embodiment will be described.
As described above, since the vane 5 slidably slides in the vane groove 4 in the rotation direction of the rotor 6, as shown in FIG. 4, the rotor 6 and the tip portion 5 of the vane 5 are slid.
a, the inlet portion 4a of the vane groove 4 and both side surface portions 5e of the vane 5 contact each other, and the upper and lower portions of the vane groove 4 and the upper and lower surfaces 5b and 5c of the vane 5 contact each other. Become.

【0026】しかしながら、本実施例の回転式流体コン
プレッサにあっては、ベーン5を形成する鋼材のC及び
Crの含有量を高めたので、該鋼材中に高硬度のCr炭
化物の析出量が多くなり、その鋼材の表面にイオン窒化
処理を施したので、ベーン5の表面に化合物層(Fe4
N)が生成され易く、その層厚のコントロールが容易に
なる。その結果、上記ベーン5の耐摩耗性が向上し、ベ
ーン5の先端部5aがロータ6と接触しても摩耗し難く
なる。特に、上記ベーン5の上下面部5b,5cとベー
ン溝4の上下部とには、これらの接触によるすべり摩耗
だけでなく、上記ベーン溝4内に溜まった摩耗粉や異物
粒子によるかじり摩耗が発生するが、表面処理された上
下面部5b,5cは摩耗し難くなる。
However, in the rotary fluid compressor of this embodiment, since the contents of C and Cr in the steel material forming the vane 5 are increased, the precipitation amount of high hardness Cr carbide is large in the steel material. Since the surface of the steel material was subjected to the ion nitriding treatment, the compound layer (Fe 4
N) is easily generated and the layer thickness is easily controlled. As a result, the wear resistance of the vane 5 is improved, and even if the tip portion 5a of the vane 5 comes into contact with the rotor 6, it is less likely to wear. In particular, the upper and lower surfaces 5b and 5c of the vane 5 and the upper and lower portions of the vane groove 4 not only have sliding wear due to their contact, but also have galling wear due to wear powder and foreign particles accumulated in the vane groove 4. However, the surface-treated upper and lower surface portions 5b and 5c are less likely to be worn.

【0027】また、本実施例ではイオン化された窒素ガ
スによって上記ベーン5の窒化処理を行っているので、
化合物層厚さや拡散層厚さを、温度、時間及びH2 :N
2 のガス比をコントロールすることにより、自由に析出
調整することが可能であり、且つ、寸法変化量及び寸法
バラツキの少ない安定した品質のベーン5を得ることが
できる。このようにイオン窒化処理を施したベーン5の
寸法変化量及び寸法バラツキが少ないのは、他の塩浴窒
化処理等に比べて窒化層が緻密に形成されるためである
と考えられる。
Further, in this embodiment, since the vane 5 is nitrided with the ionized nitrogen gas,
The thickness of the compound layer and the thickness of the diffusion layer are controlled by the temperature, time and H 2 : N.
By controlling the gas ratio of 2 , it is possible to freely control the precipitation and obtain the vane 5 of stable quality with less dimensional change and dimensional variation. It is considered that the reason why the dimensional change amount and the dimensional variation of the vane 5 subjected to the ion nitriding treatment are small is that the nitride layer is formed more densely than in other salt bath nitriding treatments and the like.

【0028】上記イオン窒化処理は、処理面全体の表面
積により1バッチの処理能力が決定される。即ち、処理
面積が大きい程大出力の処理炉を必要とし、同一出力炉
であれば、処理面積が大きい程1バッチの処理枚数は減
少する。
In the above-mentioned ion nitriding treatment, the processing capacity of one batch is determined by the surface area of the entire treated surface. That is, a larger processing area requires a processing furnace with a larger output, and if the processing area is the same, the larger the processing area, the smaller the number of processed sheets in one batch.

【0029】従って、本実施例にあっては、上記ワーク
クランプ9(図2)によって、各ベーン5の比較的耐摩
耗性を要しない両側面5eを重ねて束ねてイオン窒化処
理するようにしたので、この両側面5eの部分の面積を
積算する必要がなく、ベーン5の処理可能量は大巾に増
加し、処理コストの低減化を図ることができる。
Therefore, in this embodiment, the work clamp 9 (FIG. 2) is used to stack the side surfaces 5e of the vanes 5 which do not require comparatively wear resistance so as to be ion-nitrided. Therefore, it is not necessary to integrate the areas of the both side surfaces 5e, the treatable amount of the vanes 5 is greatly increased, and the treatment cost can be reduced.

【0030】さらに、本実施例では上記ベーン5と摺動
する相手材としてのベーン溝4やロータ6の黒鉛形状や
組織等を特定したので、対ローラ6、対ベーン溝4の摩
耗上の相性において理想的なものである。
Further, in this embodiment, since the shape and structure of the vane groove 4 and the rotor 6 as the mating material which slides on the vane 5 are specified, the compatibility of the pair of rollers 6 and the pair of vane grooves 4 with respect to wear. Is ideal in.

【0031】[0031]

【発明の効果】本発明に係る回転式流体コンプレッサに
よれば、ベーン表面に化合物層(Fe 4 N)が生成され
易く、その層厚のコントロールが容易で耐摩耗性に富
み、且つ、寸法変化量及び寸法バラツキの少ない安定し
た品質のベーンとし、対ローラ、対ベーン溝の摩耗上の
相性において理想的であるという優れた効果を発揮する
ことができる。
The rotary fluid compressor according to the present invention
Therefore, the compound layer (Fe FourN) is generated
Easy to control the layer thickness and has excellent wear resistance
And stable with little dimensional change and dimensional variation
The quality of the vanes and wear against the rollers and vane groove
Excellent effect of being ideal in compatibility
be able to.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に係る回転式流体コンプレッサの一実施
例を示す要部断面図である。
FIG. 1 is a cross-sectional view of essential parts showing an embodiment of a rotary fluid compressor according to the present invention.

【図2】本発明に係る回転式流体コンプレッサに採用す
るベーンのイオン窒化処理状況を示す斜視図である。
FIG. 2 is a perspective view showing a state of ion nitriding treatment of a vane used in the rotary fluid compressor according to the present invention.

【図3】本発明に係る回転式流体コンプレッサに採用す
るベーンのイオン窒化処理面を示す斜視図である。
FIG. 3 is a perspective view showing an ion nitriding surface of a vane used in the rotary fluid compressor according to the present invention.

【図4】図1におけるベーン周辺の拡大断面図である。FIG. 4 is an enlarged cross-sectional view around the vane in FIG.

【符号の説明】[Explanation of symbols]

1…回転式流体コンプレッサ 2…ケース 3…ロータハウジング 4…ベーン溝 4a…ベーン溝の入口部 5…ベーン 5a…ベーンの先端部 5b,5c…ベーンの上下面 5e…ベーンの側面部 6…ロータ 7…クランク軸 8…圧縮コイルスプリング 9…ワーククランプ 10a,10b…締め板 11a,11b…ボルト・ナット DESCRIPTION OF SYMBOLS 1 ... Rotary fluid compressor 2 ... Case 3 ... Rotor housing 4 ... Vane groove 4a ... Vane groove inlet 5 ... Vane 5a ... Vane tip 5b, 5c ... Vane upper / lower surface 5e ... Vane side 6 ... Rotor 7 ... Crank shaft 8 ... Compression coil spring 9 ... Work clamp 10a, 10b ... Tightening plate 11a, 11b ... Bolt / nut

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 F04C 18/356 P 8311−3H 29/00 U 6907−3H ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location F04C 18/356 P 8311-3H 29/00 U 6907-3H

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ベーン溝中に嵌装され、該ベーン溝内を
ベーンが摺動する回転式流体コンプレッサにおいて、 上記ベーンが重量%で、C:0.50〜1.30%、Cr:11.0
〜20.0%、及び残部Feを含有する焼入れを施した鋼材
から成り、その表面にイオン窒化処理が施されており、
また該ベーンと摺動する相手材を炭化物が0.10〜6.00重
量%で、その黒鉛形状がASTM規格のA、B、D、E
のいずれかのタイプであり、組織が焼戻しマルテンサイ
トを有し、且つ硬さがHRC40〜60の鋳鉄となしたこと
を特徴とする回転式流体コンプレッサ。
1. A rotary fluid compressor fitted in a vane groove, wherein the vane slides in the vane groove, wherein the vane is% by weight, C: 0.50 to 1.30%, Cr: 11.0.
〜20.0%, and made of quenched steel containing the balance Fe, the surface of which is subjected to ion nitriding treatment,
The mating material that slides on the vanes is 0.10 to 6.00% by weight of carbide, and the graphite shape is ASTM standard A, B, D or E.
Which is any one of the above types, has a structure of tempered martensite, and is made of cast iron having a hardness of HRC 40 to 60.
JP02676592A 1991-03-27 1992-02-13 Rotary fluid compressor Expired - Fee Related JP3202301B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP02676592A JP3202301B2 (en) 1991-03-27 1992-02-13 Rotary fluid compressor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6318591 1991-03-27
JP3-63185 1991-03-27
JP02676592A JP3202301B2 (en) 1991-03-27 1992-02-13 Rotary fluid compressor

Publications (2)

Publication Number Publication Date
JPH0578792A true JPH0578792A (en) 1993-03-30
JP3202301B2 JP3202301B2 (en) 2001-08-27

Family

ID=26364591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP02676592A Expired - Fee Related JP3202301B2 (en) 1991-03-27 1992-02-13 Rotary fluid compressor

Country Status (1)

Country Link
JP (1) JP3202301B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6474751B1 (en) 1995-12-26 2002-11-05 Denso Corporation Hydraulic circuit having a rotary type pump and brake apparatus for a vehicle provided with the same
JP2002356746A (en) * 2001-05-31 2002-12-13 Taiho Kogyo Co Ltd Ferrous sliding member
EP1479877A2 (en) 2003-05-21 2004-11-24 Aisin Seiki Kabushiki Kaisha Vane,camshaft timing control device, and sliding member
EP1992821A1 (en) * 2006-02-28 2008-11-19 Daikin Industries, Ltd. Sliding component of compressor, sliding component base, scroll component, and compressor
JP4660002B2 (en) * 2001-04-09 2011-03-30 Juki株式会社 Guide to the sewing machine
CN102174936A (en) * 2011-03-09 2011-09-07 松下·万宝(广州)压缩机有限公司 Slide block for rotary type compressor and manufacturing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51122812A (en) * 1975-04-18 1976-10-27 Takao Koda Rotary compressor
JPS53149808A (en) * 1977-05-06 1978-12-27 Hitachi Metals Ltd Abrasionnresistant steel for nitriding use
JPH01159352A (en) * 1987-09-08 1989-06-22 Honda Motor Co Ltd Combination of sliding member
JPH01201459A (en) * 1988-02-08 1989-08-14 Daido Steel Co Ltd Parts combining high toughness with wear resistance
JPH02259048A (en) * 1989-03-31 1990-10-19 Riken Corp Sliding member

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51122812A (en) * 1975-04-18 1976-10-27 Takao Koda Rotary compressor
JPS53149808A (en) * 1977-05-06 1978-12-27 Hitachi Metals Ltd Abrasionnresistant steel for nitriding use
JPH01159352A (en) * 1987-09-08 1989-06-22 Honda Motor Co Ltd Combination of sliding member
JPH01201459A (en) * 1988-02-08 1989-08-14 Daido Steel Co Ltd Parts combining high toughness with wear resistance
JPH02259048A (en) * 1989-03-31 1990-10-19 Riken Corp Sliding member

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6474751B1 (en) 1995-12-26 2002-11-05 Denso Corporation Hydraulic circuit having a rotary type pump and brake apparatus for a vehicle provided with the same
JP4660002B2 (en) * 2001-04-09 2011-03-30 Juki株式会社 Guide to the sewing machine
JP2002356746A (en) * 2001-05-31 2002-12-13 Taiho Kogyo Co Ltd Ferrous sliding member
EP1479877A2 (en) 2003-05-21 2004-11-24 Aisin Seiki Kabushiki Kaisha Vane,camshaft timing control device, and sliding member
EP1479877A3 (en) * 2003-05-21 2006-05-31 Aisin Seiki Kabushiki Kaisha Vane,camshaft timing control device, and sliding member
EP1992821A1 (en) * 2006-02-28 2008-11-19 Daikin Industries, Ltd. Sliding component of compressor, sliding component base, scroll component, and compressor
EP1992821A4 (en) * 2006-02-28 2014-01-01 Daikin Ind Ltd Sliding component of compressor, sliding component base, scroll component, and compressor
CN102174936A (en) * 2011-03-09 2011-09-07 松下·万宝(广州)压缩机有限公司 Slide block for rotary type compressor and manufacturing method thereof

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