JPS62135644A - Manufacture of cylinder liner - Google Patents
Manufacture of cylinder linerInfo
- Publication number
- JPS62135644A JPS62135644A JP27443685A JP27443685A JPS62135644A JP S62135644 A JPS62135644 A JP S62135644A JP 27443685 A JP27443685 A JP 27443685A JP 27443685 A JP27443685 A JP 27443685A JP S62135644 A JPS62135644 A JP S62135644A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder liner
- wear
- inner circumferential
- circumferential surface
- liner
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/04—Cylinders; Cylinder heads having cooling means for air cooling
- F02F1/06—Shape or arrangement of cooling fins; Finned cylinders
- F02F1/08—Shape or arrangement of cooling fins; Finned cylinders running-liner and cooling-part of cylinder being different parts or of different material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はシリンダライナの製造方法に係り、特に摺動面
の耐摩耗性が改良されたシリンダライナの製造方法に関
するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for manufacturing a cylinder liner, and more particularly to a method for manufacturing a cylinder liner with improved wear resistance on sliding surfaces.
［従来の技術］
舶用ディーゼルエンジン等の大型の往復内燃機関におい
ては、通常、シリンダブロックに筒状のシリンダライナ
が装着されている。[Prior Art] In large reciprocating internal combustion engines such as marine diesel engines, a cylindrical cylinder liner is usually attached to a cylinder block.
このシリンダライナは、その内周面がピストンリングと
摺動するものであることから、摺動面の潤滑油保持性（
保油性）が高く耐摩耗性に優れていること及び十分な強
度を有することが特性として要求されており、従来は一
般に、片状黒鉛鋳鉄品が用いられている。Since the inner peripheral surface of this cylinder liner slides on the piston ring, the lubricant retention property of the sliding surface (
They are required to have high oil retention (oil retention), excellent wear resistance, and sufficient strength, and conventionally, flake graphite cast iron products have generally been used.
ところで近年、舶用ディーゼルエンジン等の内燃機関の
燃費の低減、機関出力の増大を図るために燃焼室内の燃
焼圧力が高められつつあると共に燃料油の低質化も進め
られており、これに対応すべくシリンダライナにも一層
＃摩耗性に優れたものが要求されている。Incidentally, in recent years, in order to reduce fuel consumption and increase engine output of internal combustion engines such as marine diesel engines, the combustion pressure in the combustion chamber has been increased, and the quality of fuel oil has also been reduced. Cylinder liners are also required to have better wear resistance.
従来、シリンダライナの摺動面の＃摩耗性を改善する方
法として、摺動面にセラミックス等の耐摩耗材料を溶射
する方法がある。Conventionally, as a method of improving the abrasion resistance of the sliding surface of a cylinder liner, there is a method of thermally spraying a wear-resistant material such as ceramics onto the sliding surface.
［発明が解決しようとする問題点］
しかしながら、現在の溶射技術では、長くて細い円筒の
内面に溶射することは極めて難しく、このため、ストロ
ークの長いエンジンのシリンダライナ等の摺動面に＃摩
耗材料を溶射施工することは殆ど不可能であった。[Problems to be solved by the invention] However, with the current thermal spraying technology, it is extremely difficult to spray the inner surface of a long and narrow cylinder, and as a result, # wear occurs on the sliding surfaces of cylinder liners of engines with long strokes. It was almost impossible to spray the material.
［問題点を解決するための手段］
本発明は上記従来の問題点を解決するものであって、
内周面のピストンと摺動する摺動面を耐摩耗材料で構成
したシリンダライナを製造する方法において、シリンダ
ライナを軸方向に垂直に分割した形状を有し、互いに螺
子込みにより接続可能な、複数のシリンダライナ構成部
材の内周面に。[Means for Solving the Problems] The present invention solves the above conventional problems, and includes manufacturing a cylinder liner in which the sliding surface that slides on the piston on the inner peripheral surface is made of a wear-resistant material. In the method, the inner circumferential surfaces of a plurality of cylinder liner constituent members each have a shape in which the cylinder liner is divided perpendicularly to the axial direction and can be connected to each other by screwing.
各々、耐摩耗材料の層を形成した後、この構成部材を螺
子込み接続して一体とすることを特徴とするシリンダラ
イナの製造方法、
を要旨とするものである。The gist of the present invention is a method of manufacturing a cylinder liner, characterized in that after forming a layer of wear-resistant material, the constituent members are connected together by screws.
以下本発明を図面を参照して詳細に説明する。The present invention will be explained in detail below with reference to the drawings.
第１図は本発明により製造されるシリンダライナ１の断
面図である。FIG. 1 is a sectional view of a cylinder liner 1 manufactured according to the present invention.
本発明においては、製造するシリンダライナを軸方向に
垂直に分割した形状を有し、互いに螺子込み可能なシリ
ンダライナ構成部材１ａ、１ｂ、ｌｃ・・・・・・を複
数個用意する。In the present invention, a plurality of cylinder liner constituent members 1a, 1b, lc, etc., which have a shape in which the cylinder liner to be manufactured is divided perpendicularly to the axial direction and can be screwed into each other, are prepared.
即ち、第１ ［ｆｆｌにおいて、構成部材１ａは構成部
材１ｂと螺子込み接合するための雌螺子１１が刻設され
ており、構成部材１ｂには、構成部材１ａと螺子込み接
合するための雌螺子１２及び構成部材ＩＣと螺子込み接
合するための雌螺子１３が刻設され、また構成部材１ｃ
には、構成部材１ｂと螺子込み接合するための雄虫粱子
１４が刻設されている。That is, in the first [ffl, the component 1a is provided with a female screw 11 for screwing connection with the component 1b, and the component 1b is provided with a female screw 11 for screwing connection with the component 1a. 12 and a female screw 13 for screwing connection with the component IC, and the component 1c
A male gauntlet 14 for screwing and connecting with the component 1b is carved in the.
構成部材１ａ−１０の長さは、その内周面に溶射等によ
り耐摩耗性材料の層を容易に形成することができる程度
に十分短いことが好ましく、通常はシリンダライナのス
トロークの１／２以下とする。また、構成部材の長さが
あまりに短いと、螺子込みする構成部材の個数が増えて
好ましくない。The length of the component 1a-10 is preferably short enough to easily form a layer of wear-resistant material on its inner circumferential surface by thermal spraying or the like, and is usually 1/2 of the stroke of the cylinder liner. The following shall apply. Moreover, if the length of the component is too short, the number of components to be screwed will increase, which is undesirable.
なお、各構成部材の長さは同じであっても良く異なって
いても良い。Note that the lengths of each component may be the same or different.
本発明においては、まず、このような構成部材１ａ−１
ｃの内周面に耐摩耗材料の層２ａ〜２ｃを形成する。In the present invention, first, such a component 1a-1
Layers 2a to 2c of wear-resistant material are formed on the inner peripheral surface of c.
１耐摩耗材料層２ａ〜２ｃの耐摩耗材料としては、特に
制限はないが、耐摩耗性のセラミック、金属、その他、
Ｍ ｏ −Ｔ ｉ Ｃ等のサーメット、アモルファス合
金等が挙げられる。The wear-resistant material for the wear-resistant material layers 2a to 2c is not particularly limited, but may include wear-resistant ceramics, metals, etc.
Examples include cermets such as M o -T i C, amorphous alloys, and the like.
また１耐摩耗材料層２ａ〜２Ｃの形成方法としても、特
に限定されず、溶射法、スパッタリング等の気相蒸着法
等が採用し得るが、本発明においては耐摩耗性材料の粉
末を溶射する方法が最も好ましい。溶射方法としては、
プラズマ溶射等が挙げられる。Further, the method for forming the first wear-resistant material layers 2a to 2C is not particularly limited, and thermal spraying, vapor deposition methods such as sputtering, etc. can be adopted, but in the present invention, a powder of the wear-resistant material is thermally sprayed. The method is most preferred. The thermal spraying method is
Examples include plasma spraying.
この耐摩耗材料層２ａ〜２ｃの厚さは製造するシリンダ
ライナに要求される耐摩耗特性に応じて適宜決定される
。The thickness of the wear-resistant material layers 2a to 2c is appropriately determined depending on the wear-resistant properties required of the cylinder liner to be manufactured.
このようにして耐摩耗材料層２ａ〜２Ｃを形成した構成
部材１ａ〜ＩＣは、第１図の如く、互いに螺子込むこと
によりシリンダライナ１を形成する。（なお、第１図に
おいて、３．４はシール部材である。）
このため、構成部材１ａ−１ｃはシリンダライナ１のス
トロークの分だけ必要とされ、第１図の如く、シリンダ
ライナのストロークの約１７３の長さの構成部材を螺子
込み接続する場合には３個の構Ｉ＆部材が必要とされる
。構成部材の数は２個あるいは４個以上であっても良い
ことは言うまでもない。The components 1a to 1C, on which the wear-resistant material layers 2a to 2C have been formed in this way, are screwed together to form a cylinder liner 1, as shown in FIG. (In Fig. 1, 3.4 is a sealing member.) Therefore, the structural members 1a to 1c are required for the stroke of the cylinder liner 1, and as shown in Fig. For threaded connections of approximately 173 long components, three components are required. It goes without saying that the number of constituent members may be two or four or more.
本発明において、シリンダライナ１、即ち構成部材１ａ
〜ＩＣの材質としては、通常用いられる鋳鉄等が挙げら
れる。In the present invention, the cylinder liner 1, that is, the component 1a
~As the material of the IC, commonly used cast iron and the like can be mentioned.
［作用コ
シリンダライナを長さの短い構成部材に分割し、各構成
部材の内周面に耐摩耗材料の層を形成するので、耐摩耗
材料の層の形成は極めて容易に行なうことができる。ま
た、各構成部材は螺子込みにより接続するため、極めて
強固に安定して接合される。[Working Co.] Since the cylinder liner is divided into short components and a layer of wear-resistant material is formed on the inner peripheral surface of each component, the layer of wear-resistant material can be formed very easily. Moreover, since each component is connected by screwing, it is extremely firmly and stably joined.
本発明によれば相当に長いストロークを有するシリンダ
ライナであっても、摺動面を耐摩耗材料層とすることが
できる。According to the present invention, even in a cylinder liner having a considerably long stroke, the sliding surface can be made of a wear-resistant material layer.
〔実施例］ 以下実施例について説明する。〔Example] Examples will be described below.
実施例１
第１図に示す、鋳鉄製構成部材１ａ−１ｃ（いずれも内
径１２０ｍｍ、主肉厚５ ｍ ｍ、長さ１ａ＝１５０ｍ
ｍ、１ｂ＝１５０ｍｍ、１ｃ＝１５０ｍｍ）の内周面に
、耐摩耗材料として酸化クロムをプラズマ溶射した。な
お溶射条件は下記の通りであり、耐摩耗材料層の厚さは
０．５ｍｍとした。Example 1 Cast iron structural members 1a to 1c shown in Fig. 1 (all inner diameter 120 mm, main wall thickness 5 mm, length 1a = 150 m
Chromium oxide was plasma sprayed as a wear-resistant material onto the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the inner circumferential surface of the cylindrical steel plate 1.m, 1b=150 mm, 1c=150 mm), and chromium oxide was plasma-sprayed as a wear-resistant material. The thermal spraying conditions were as follows, and the thickness of the wear-resistant material layer was 0.5 mm.
溶射条件
熱 源 プラズマ炎
材料供給 粉末を圧縮気体で圧送
供給電流 ９００Ａ
加 工 溶射後ダイヤモンドと石で研摩これらを順
次、螺子込み接合し、第１図に示すようなシリンダライ
ナ（長さ４５０ ｍｍ）を製造した。Thermal spraying conditions Heat source Plasma flame Material supply Powder is pumped with compressed gas Supply current 900A Processing After thermal spraying, polishing with diamond and stone These are sequentially joined with screws to form a cylinder liner (length 450 mm) as shown in Figure 1. was manufactured.
このシリンダライナをディーゼル機関に取り付けて使用
したところ、無処理のシリンダライナと比べて、耐摩耗
性が格段に優れ、その寿命は大幅に延長されたことが認
められた。When this cylinder liner was installed and used in a diesel engine, it was found that the wear resistance was much better than that of an untreated cylinder liner, and its lifespan was significantly extended.
［発明の効果］
以上詳述した通り、本発明のシリンダライナの製造方法
は、内ＩＮ面に耐摩耗材料層が形成された短い構成部材
を螺子込み接続してシリンダライナとするものであって
、ストロークの長いシリンダライナであっても容易に耐
摩耗性に優れたものを製造することができ、シリンダラ
イナの寿命を大幅に延長することが可能となる。[Effects of the Invention] As described in detail above, the method for manufacturing a cylinder liner of the present invention involves screwing together short structural members each having a wear-resistant material layer formed on the inner IN surface to form a cylinder liner. , even cylinder liners with long strokes can be easily manufactured with excellent wear resistance, and the life of the cylinder liner can be significantly extended.
第１図は本発明により製造されるシリンダライナの断面
図である。
１・・・シリンダライナ、
１ａ、１ｂ、ｌＣ・・・構成部材。
２ａ、２ｂ、２Ｃ・・・耐摩耗材料層、３・・・シリン
ダライナ本体。FIG. 1 is a sectional view of a cylinder liner manufactured according to the present invention. 1... Cylinder liner, 1a, 1b, 1C... Components. 2a, 2b, 2C... Wear-resistant material layer, 3... Cylinder liner body.
Claims (1)
で構成したシリンダライナを製造する方法において、シ
リンダライナを軸方向に垂直に分割した形状を有し、互
いに螺子込みにより接続可能な、複数のシリンダライナ
構成部材の内周面に、各々、耐摩耗材料の層を形成した
後、この構成部材を螺子込み接続して一体とすることを
特徴とするシリンダライナの製造方法。(1) In a method of manufacturing a cylinder liner in which the sliding surface that slides on the piston on the inner circumferential surface is made of wear-resistant material, the cylinder liner is divided vertically in the axial direction, and the cylinder liner is connected to each other by screws. A method of manufacturing a cylinder liner, which comprises forming a layer of wear-resistant material on the inner circumferential surface of each of a plurality of cylinder liner constituent members, and then integrating the constituent members by screwing them together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27443685A JPS62135644A (en) | 1985-12-06 | 1985-12-06 | Manufacture of cylinder liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27443685A JPS62135644A (en) | 1985-12-06 | 1985-12-06 | Manufacture of cylinder liner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62135644A true JPS62135644A (en) | 1987-06-18 |
| JPH0226055B2 JPH0226055B2 (en) | 1990-06-07 |
Family
ID=17541651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27443685A Granted JPS62135644A (en) | 1985-12-06 | 1985-12-06 | Manufacture of cylinder liner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62135644A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011102208A1 (en) * | 2011-05-21 | 2012-11-22 | Mahle International Gmbh | Cylinder liner and method for its production |
| CN107598485A (en) * | 2017-07-25 | 2018-01-19 | 中原内配集团安徽有限责任公司 | A kind of manufacture craft of screw thread process type cylinder sleeve |
-
1985
- 1985-12-06 JP JP27443685A patent/JPS62135644A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011102208A1 (en) * | 2011-05-21 | 2012-11-22 | Mahle International Gmbh | Cylinder liner and method for its production |
| CN107598485A (en) * | 2017-07-25 | 2018-01-19 | 中原内配集团安徽有限责任公司 | A kind of manufacture craft of screw thread process type cylinder sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0226055B2 (en) | 1990-06-07 |
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