JPS61110853U - - Google Patents

Info

Publication number
JPS61110853U
JPS61110853U JP19863584U JP19863584U JPS61110853U JP S61110853 U JPS61110853 U JP S61110853U JP 19863584 U JP19863584 U JP 19863584U JP 19863584 U JP19863584 U JP 19863584U JP S61110853 U JPS61110853 U JP S61110853U
Authority
JP
Japan
Prior art keywords
oil ring
ring body
expander
layer
nitrided 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.)
Granted
Application number
JP19863584U
Other languages
Japanese (ja)
Other versions
JPH0326293Y2 (en
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 filed Critical
Priority to JP1984198635U priority Critical patent/JPH0326293Y2/ja
Publication of JPS61110853U publication Critical patent/JPS61110853U/ja
Application granted granted Critical
Publication of JPH0326293Y2 publication Critical patent/JPH0326293Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係るコイルエキスパンダ付鋼
製オイルリングを示す断面図、第２図は同リング
におけるオイルリング本体の外周摺動面の表面か
らの深さにおける硬度を示すグラフ、第３図は比
較材としてのコイルエキスパンダ付鋼製オイルリ
ングを示す断面図、第４図は高速耐久テストの結
果を示すグラフである。 １…オイルリング本体、２…外周摺動面、３…
コイルエキスパンダ、４…有効窒化層。 Fig. 1 is a cross-sectional view showing a steel oil ring with a coil expander according to the present invention, Fig. 2 is a graph showing the hardness of the same ring at a depth from the surface of the outer peripheral sliding surface of the oil ring main body, and Fig. 3 The figure is a sectional view showing a steel oil ring with a coil expander as a comparison material, and FIG. 4 is a graph showing the results of a high-speed durability test. 1... Oil ring body, 2... Outer periphery sliding surface, 3...
Coil expander, 4... Effective nitrided layer.

Claims (1)

【実用新案登録請求の範囲】 (1) オイルリング本体と、オイルリング本体を
半径方向外方に付勢するコイルエキスパンダとか
らなるコイルエキスパンダ付オイルリングにおい
て、前記オイルリング本体を重量比でＣ０．３〜
０．６％、Ｓｉ１．５％以下、Ｃｒ４．０〜６．
０％、Ｍｏ０．５〜２．０％、Ｖ０．５〜２．０
％、残部が実質的にＦｅの鋼材から形成するとと
もに、オイルリング本体表面に窒化層のうちの酸
化物層及び白層を除去した硬度Ｈｖ７００以上の
有効窒化層を形成したことを特徴とするコイルエ
キスパンダ付鋼製オイルリング。 (2) 前記有効窒化層を３０μｍ以上有すること
を特徴とする実用新案登録請求の範囲第１項記載
のオイルエキスパンダ付鋼製オイルリング。[Claims for Utility Model Registration] (1) In an oil ring with a coil expander consisting of an oil ring body and a coil expander that urges the oil ring body radially outward, the oil ring body is C0.3～
0.6%, Si 1.5% or less, Cr4.0-6.
0%, Mo0.5-2.0%, V0.5-2.0
%, the remainder being substantially Fe, and an effective nitrided layer with a hardness of Hv700 or more formed by removing the oxide layer and white layer of the nitrided layer on the surface of the oil ring body. Steel oil ring with expander. (2) The steel oil ring with an oil expander according to claim 1, which is characterized in that the effective nitrided layer has a thickness of 30 μm or more.
JP1984198635U 1984-12-25 1984-12-25 Expired JPH0326293Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984198635U JPH0326293Y2 (en) 1984-12-25 1984-12-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984198635U JPH0326293Y2 (en) 1984-12-25 1984-12-25

Publications (2)

Publication Number Publication Date
JPS61110853U true JPS61110853U (en) 1986-07-14
JPH0326293Y2 JPH0326293Y2 (en) 1991-06-06

Family

ID=30757809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984198635U Expired JPH0326293Y2 (en) 1984-12-25 1984-12-25

Country Status (1)

Country Link
JP (1) JPH0326293Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003019050A1 (en) * 2001-08-31 2003-03-06 Riken Corporation Two piece oil control ring with nitrided surface layers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929204A (en) * 1972-07-14 1974-03-15
JPS57143473A (en) * 1981-03-03 1982-09-04 Nissan Motor Co Ltd Manufacture of sliding member
JPS57203848A (en) * 1981-06-09 1982-12-14 Nippon Piston Ring Co Ltd Piston ring made of steel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929204A (en) * 1972-07-14 1974-03-15
JPS57143473A (en) * 1981-03-03 1982-09-04 Nissan Motor Co Ltd Manufacture of sliding member
JPS57203848A (en) * 1981-06-09 1982-12-14 Nippon Piston Ring Co Ltd Piston ring made of steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003019050A1 (en) * 2001-08-31 2003-03-06 Riken Corporation Two piece oil control ring with nitrided surface layers
CN1306190C (en) * 2001-08-31 2007-03-21 株式会社理研 Two piece oil control ring with nitrided surface layers

Also Published As

Publication number Publication date
JPH0326293Y2 (en) 1991-06-06

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