JPS643055U - - Google Patents
Info
- Publication number
- JPS643055U JPS643055U JP9789587U JP9789587U JPS643055U JP S643055 U JPS643055 U JP S643055U JP 9789587 U JP9789587 U JP 9789587U JP 9789587 U JP9789587 U JP 9789587U JP S643055 U JPS643055 U JP S643055U
- Authority
- JP
- Japan
- Prior art keywords
- piston ring
- layer
- steel piston
- ring according
- nitrided
- 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.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 5
- 239000010959 steel Substances 0.000 claims 5
- 238000005121 nitriding Methods 0.000 claims 4
- 229940062993 ferrous oxalate Drugs 0.000 claims 1
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
図面は本考案の一実施例を示し、第１図は本考
案のピストンリングの一部分を示す縦断面図、第
２図は本考案のピストンリングを第二圧縮リング
とともにピストンのリング溝に装着し、シリンダ
に挿入した状態の一部分を示す縦断面図である。
１はピストンリング、３はピストン、４はリン
グ溝、５はシリンダ、６は窒化処理層、７は化成
潤滑被膜、８はピストンリング母材、９は摺動面
。
The drawings show an embodiment of the present invention, and Fig. 1 is a vertical sectional view showing a part of the piston ring of the invention, and Fig. 2 shows the piston ring of the invention installed in the ring groove of the piston together with the second compression ring. FIG. 2 is a longitudinal sectional view showing a portion of the device inserted into a cylinder. 1 is a piston ring, 3 is a piston, 4 is a ring groove, 5 is a cylinder, 6 is a nitrided layer, 7 is a chemical lubricant coating, 8 is a piston ring base material, and 9 is a sliding surface.
Claims (1)
５．０μｍ、被膜粗さ２．０μＲＺ以下のしゆう
酸第一鉄を主成分とした化成潤滑被膜を形成した
ことを特徴とする鋼製ピストンリング。 (2) 前記窒化処理層が最表面の酸化物層及び白
層を研摩除去した有効窒化処理層からなることを
特徴とする実用新案登録請求の範囲第１項記載の
鋼製ピストンリング。 (3) 前記窒化処理層がピストンリングの全表面
の一部に施されていることを特徴とする実用新案
登録請求の範囲第１項記載の鋼製ピストンリング
。 (4) 前記窒化処理層がピストンリングの全表面
に施されていることを特徴とする実用新案登録請
求の範囲第１項記載の鋼製ピストンリング。 (5) 前記窒化処理層が少なくとも厚さ３０μｍ
以上かつ硬さＨｖ７００以上の有効窒化処理層か
らなることを特徴とする実用新案登録請求の範囲
第１項記載の鋼製ピストンリング。[Scope of claims for utility model registration] (1) A coating thickness of 0.5 to 0.5 on the nitrided surface
A steel piston ring characterized by forming a chemical lubricating film mainly composed of ferrous oxalate with a film roughness of 5.0 μm and a film roughness of 2.0 μRZ or less. (2) The steel piston ring according to claim 1, wherein the nitriding layer is an effective nitriding layer obtained by polishing away the outermost oxide layer and white layer. (3) The steel piston ring according to claim 1, wherein the nitriding layer is applied to a part of the entire surface of the piston ring. (4) The steel piston ring according to claim 1, wherein the nitriding layer is applied to the entire surface of the piston ring. (5) The nitrided layer has a thickness of at least 30 μm.
The steel piston ring according to claim 1, which is a registered utility model, and is comprised of an effective nitrided layer having a hardness of Hv700 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9789587U JPS643055U (en) | 1987-06-25 | 1987-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9789587U JPS643055U (en) | 1987-06-25 | 1987-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643055U true JPS643055U (en) | 1989-01-10 |
Family
ID=31323683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9789587U Pending JPS643055U (en) | 1987-06-25 | 1987-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643055U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55100982A (en) * | 1979-01-22 | 1980-08-01 | Hitachi Ltd | Surface treatment of alloy steel |
| JPS60153455A (en) * | 1984-01-23 | 1985-08-12 | Nippon Piston Ring Co Ltd | Steel piston ring |
| JPS6155062B2 (en) * | 1982-12-28 | 1986-11-26 | New Cosmos Electric Co |
-
1987
- 1987-06-25 JP JP9789587U patent/JPS643055U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55100982A (en) * | 1979-01-22 | 1980-08-01 | Hitachi Ltd | Surface treatment of alloy steel |
| JPS6155062B2 (en) * | 1982-12-28 | 1986-11-26 | New Cosmos Electric Co | |
| JPS60153455A (en) * | 1984-01-23 | 1985-08-12 | Nippon Piston Ring Co Ltd | Steel piston ring |
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