JPH0384417U - - Google Patents

Info

Publication number
JPH0384417U
JPH0384417U JP14683989U JP14683989U JPH0384417U JP H0384417 U JPH0384417 U JP H0384417U JP 14683989 U JP14683989 U JP 14683989U JP 14683989 U JP14683989 U JP 14683989U JP H0384417 U JPH0384417 U JP H0384417U
Authority
JP
Japan
Prior art keywords
rms
surface roughness
axial
plunger pump
circumferential
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
JP14683989U
Other languages
English (en)
Other versions
JPH0547854Y2 (ja
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 JP1989146839U priority Critical patent/JPH0547854Y2/ja
Publication of JPH0384417U publication Critical patent/JPH0384417U/ja
Application granted granted Critical
Publication of JPH0547854Y2 publication Critical patent/JPH0547854Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Details Of Reciprocating Pumps (AREA)

Description

【図面の簡単な説明】
第１図は斜板タイプのプランジヤーポンプを示
す縦断面図、第２図は斜軸タイプのプランジヤー
ポンプを示す縦断面図、第３図乃至第６図の各々
は転がり軸受の種類を示す断面図、第７図はこの
考案に係る転がり軸受の転動体の仕上げ面状況を
示す概略図、第８図は試験装置の概略図、第９図
は転動体寿命試験の結果を示すグラフ、第１０図
は油膜パラメータと油膜形成率を示す関係図、第
１１図と第１２図は油膜形成率を示すグラフであ
る。 ２１……円すいころ軸受、２２……円筒ころ軸
受、２３……ニードル軸受、２４……玉軸受、２
１ａ〜２４ａ……転動体、Ａ……微小粗面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 駆動軸の回転によりプランジヤーを往復動させ
    るようにしたプランジヤーポンプにおいて、駆動
    軸を支持する転がり軸受の転動体の表面に独立し
    た微小な凹形状のくぼみを無数にランダムに形成
    し、転動体表面の面粗さを、軸方向と円周方向の
    それぞれを求めてパラメータＲＭＳで表示したと
    き、軸方向面粗さＲＭＳ（Ｌ）と円周方向面粗さ
    ＲＭＳ(C)との比ＲＭＳ（Ｌ）／ＲＭＳ(C)が１．
    ０以下となり、合わせて表面粗さのパラメータＳ
    Ｋ値が軸方向及び円周方向の何れも−１．６以下
    となるようにしたプランジヤーポンプ用転がり軸
    受。
JP1989146839U 1989-12-20 1989-12-20 Expired - Lifetime JPH0547854Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989146839U JPH0547854Y2 (ja) 1989-12-20 1989-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989146839U JPH0547854Y2 (ja) 1989-12-20 1989-12-20

Publications (2)

Publication Number Publication Date
JPH0384417U true JPH0384417U (ja) 1991-08-27
JPH0547854Y2 JPH0547854Y2 (ja) 1993-12-17

Family

ID=31693382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989146839U Expired - Lifetime JPH0547854Y2 (ja) 1989-12-20 1989-12-20

Country Status (1)

Country Link
JP (1) JPH0547854Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006001124A1 (ja) * 2004-06-25 2006-01-05 Ntn Corporation 転がり軸受
JP2008106382A (ja) * 2006-10-24 2008-05-08 Nikken Kk 体形補整機能に優れた経編補整パンツ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6124818A (ja) * 1984-07-14 1986-02-03 Ntn Toyo Bearing Co Ltd 軸受転動体

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6124818A (ja) * 1984-07-14 1986-02-03 Ntn Toyo Bearing Co Ltd 軸受転動体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006001124A1 (ja) * 2004-06-25 2006-01-05 Ntn Corporation 転がり軸受
JP2008106382A (ja) * 2006-10-24 2008-05-08 Nikken Kk 体形補整機能に優れた経編補整パンツ

Also Published As

Publication number Publication date
JPH0547854Y2 (ja) 1993-12-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term