JP5140148B2 - 保持器の製造方法 - Google Patents
保持器の製造方法 Download PDFInfo
- Publication number
- JP5140148B2 JP5140148B2 JP2010283310A JP2010283310A JP5140148B2 JP 5140148 B2 JP5140148 B2 JP 5140148B2 JP 2010283310 A JP2010283310 A JP 2010283310A JP 2010283310 A JP2010283310 A JP 2010283310A JP 5140148 B2 JP5140148 B2 JP 5140148B2
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- JP
- Japan
- Prior art keywords
- cage
- cylindrical member
- axial direction
- diameter side
- mold
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
- F16C33/542—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal
- F16C33/543—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from a single part
- F16C33/546—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from a single part with a M- or W-shaped cross section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/463—Needle bearings with one row or needles consisting of needle rollers held in a cage, i.e. subunit without race rings
Description
回転数 :3000rpm
潤滑 :油浴潤滑
図13を参照して、保持器の幅面の表面粗さRaが0.5μm以下であると、幅面の摩耗量は、50μm以下となる。したがって、幅面の摩耗量を考慮すると、少なくとも、保持器の幅面の表面粗さRaを、0.5μm以下とすることが好ましい。
Claims (4)
- 内径側に折曲げられた両鍔部を備える一対の環状部と、ころを保持する複数のポケットを形成するように一対の前記環状部を連結し、その中央部が内径側に凹んだ複数の柱部とを備えるM型の保持器の製造方法であって、
側部が軸方向に真直ぐな円筒状部材の両開口部側から、径方向に凹んだ凹部を有し、円筒状部材の軸方向に動く押し広げ金型を挿入して、前記円筒状部材を外径側に押し広げる押し広げ工程と、
押し広げられた前記円筒状部材の両鍔部を、円筒状部材の軸方向に動く鍔部折曲げ金型によって、内径側に折曲げる鍔部折曲げ工程と、
後に保持器の幅面となる折曲げられた前記両鍔部の外径面を、表面粗さRaが0.5μm以下となるようにコイニング加工するコイニング加工工程とを備える、保持器の製造方法。 - 前記鍔部折曲げ工程は、円筒状部材の軸方向に動き、傾斜部を有するネッキング金型により、前記鍔部を予め内径側に所定の角度折曲げるネッキング工程と、
前記ネッキング工程の後に、円筒状部材の軸方向に動き、軸方向に垂直な平面を有する決め金型により、前記鍔部を軸方向に垂直な方向に折曲げる決め工程とを含み、
前記コイニング加工工程は、前記決め工程と共に行われる、請求項1に記載の保持器の製造方法。 - 前記決め金型の表面粗さRaは、0.5μm以下であり、
前記コイニング加工工程は、前記決め金型の表面粗さRaが0.5μm以下である面を前記保持器の幅面に押し当てて、コイニング加工を行う、請求項2に記載の保持器の製造方法。 - 前記押し広げ工程、前記鍔部折曲げ工程および前記コイニング加工工程は、トランスファプレスにより行う、請求項1〜3のいずれかに記載の保持器の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010283310A JP5140148B2 (ja) | 2010-12-20 | 2010-12-20 | 保持器の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010283310A JP5140148B2 (ja) | 2010-12-20 | 2010-12-20 | 保持器の製造方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006244401A Division JP4703521B2 (ja) | 2006-09-08 | 2006-09-08 | 保持器付きころ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011101901A JP2011101901A (ja) | 2011-05-26 |
JP5140148B2 true JP5140148B2 (ja) | 2013-02-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010283310A Expired - Fee Related JP5140148B2 (ja) | 2010-12-20 | 2010-12-20 | 保持器の製造方法 |
Country Status (1)
Country | Link |
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JP (1) | JP5140148B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5764181B2 (ja) | 2013-10-31 | 2015-08-12 | ユニオンツール株式会社 | 硬質皮膜被覆切削工具 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4246310B2 (ja) * | 1999-01-12 | 2009-04-02 | Ntn株式会社 | ころ軸受用保持器の製造方法 |
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2010
- 2010-12-20 JP JP2010283310A patent/JP5140148B2/ja not_active Expired - Fee Related
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JP2011101901A (ja) | 2011-05-26 |
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