JP2009068558A - 圧粉体と焼結軸受及びその製造方法 - Google Patents
圧粉体と焼結軸受及びその製造方法 Download PDFInfo
- Publication number
- JP2009068558A JP2009068558A JP2007235820A JP2007235820A JP2009068558A JP 2009068558 A JP2009068558 A JP 2009068558A JP 2007235820 A JP2007235820 A JP 2007235820A JP 2007235820 A JP2007235820 A JP 2007235820A JP 2009068558 A JP2009068558 A JP 2009068558A
- Authority
- JP
- Japan
- Prior art keywords
- green compact
- sintered
- bearing
- bearing hole
- core rod
- 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
Images
Classifications
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/06—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of threaded articles, e.g. nuts
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F2003/026—Mold wall lubrication or article surface lubrication
-
- 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
- F16C2220/00—Shaping
- F16C2220/20—Shaping by sintering pulverised material, e.g. powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
【解決手段】焼結軸受1は、原料粉末Mを成形用金型11の充填部16に充填し、この原料粉末Mを加圧して軸受孔3を有する圧粉体1Aを成形し、この圧粉体1Aを焼結してなる。成形用金型11のコアロッド13に微細な凹凸部18を形成し、圧縮成形時に、前記凹凸部18を転写して圧粉体1Aの軸受孔3に微細な凹凸部を形成する。そして、微細なお凹凸部を有する圧粉体1Aを焼結して焼結軸受1を形成する。その焼結軸受1の微細な凹凸部を有する軸受孔3に、樹脂コーティング層5を設けるから、樹脂コーティング層5との密着性に優れた焼結軸受1を製造することができる。
【選択図】図2
Description
1A 圧粉体
2 軸受本体
3 軸受孔
4 凹凸部
5 樹脂コーティング層
11 成形用金型
12 成形用ダイ
13 成形用コアロッド
14 下パンチ
15 上パンチ
16 充填部
17 外周面
18 コアロッド側凹凸部
31 凹凸部
41 凹凸部
58,68,69 コアロッド側凹凸部
Claims (8)
- 原料粉末を成形用金型の充填部に充填し、この原料粉末を加圧して成形した軸受孔を有する圧粉体において、前記軸受孔に微細な凹凸部を有することを特徴とする圧粉体。
- 請求項1記載の圧粉体を焼結してなることを特徴とする焼結軸受。
- 請求項2記載の焼結軸受において、前記軸受孔に樹脂コーティング層を設けたことを特徴とする焼結軸受。
- 原料粉末を成形用金型の充填部に充填し、この原料粉末を加圧して軸受孔を有する圧粉体を成形した後、焼結して焼結軸受を形成する圧粉体の製造方法において、前記圧粉体の前記軸受孔に微細な凹凸部を形成することを特徴とする圧粉体の製造方法。
- 原料粉末を成形用金型の充填部に充填し、この原料粉末を加圧して軸受孔を有する圧粉体を成形し、この圧粉体を焼結してなる焼結軸受の製造方法において、前記圧粉体の軸受孔に微細な凹凸部を形成した後、焼結することを特徴とする焼結軸受の製造方法。
- 前記焼結軸受の前記軸受孔に、樹脂コーティング層を設けることを特徴とする請求項5記載の焼結軸受の製造方法。
- 外周面に微細なコアロッド側凹凸部を有する成形用コアロッドと、成形用ダイとの間において、原料粉末を圧縮して圧粉体を形成することにより、前記微細なコアロッド側凹凸部を前記圧粉体の軸受孔に転写することを特徴とする請求項4〜6のいずれか1項に記載の焼結軸受の製造方法。
- 前記圧縮後、前記コアロッドと共に前記圧粉体を前記成形用ダイから抜き出し、抜き出し後の圧粉体のスプリングバックにより、前記軸受孔から前記コアロッドを抜き出し可能としたことを特徴とする請求項7記載の焼結軸受の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007235820A JP5352978B2 (ja) | 2007-09-11 | 2007-09-11 | 焼結軸受の製造方法 |
PCT/JP2008/066358 WO2009035010A1 (ja) | 2007-09-11 | 2008-09-10 | 圧粉体と焼結軸受及びその製造方法 |
CN2008800135196A CN101674908B (zh) | 2007-09-11 | 2008-09-10 | 粉末压坯和烧结轴承及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007235820A JP5352978B2 (ja) | 2007-09-11 | 2007-09-11 | 焼結軸受の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009068558A true JP2009068558A (ja) | 2009-04-02 |
JP5352978B2 JP5352978B2 (ja) | 2013-11-27 |
Family
ID=40452016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007235820A Active JP5352978B2 (ja) | 2007-09-11 | 2007-09-11 | 焼結軸受の製造方法 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5352978B2 (ja) |
CN (1) | CN101674908B (ja) |
WO (1) | WO2009035010A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10843264B2 (en) | 2016-03-08 | 2020-11-24 | Diamet Corporation | Molding die and molding method |
US11446737B2 (en) | 2016-08-18 | 2022-09-20 | Diamet Corporation | Molding die and molding method |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101066789B1 (ko) * | 2010-11-29 | 2011-09-21 | 주식회사 넥스텍 | 소결 베어링 및 그 제조방법 |
EP2957784B1 (en) * | 2013-02-15 | 2019-04-10 | Taiho Kogyo Co., Ltd | Sliding member |
EP3712451A4 (en) * | 2017-11-15 | 2021-10-13 | Diamet Corporation | OIL IMPREGNATED SINTER BEARING AND PROCESS FOR THE PRODUCTION OF THE SAME |
CN108127111A (zh) * | 2017-11-22 | 2018-06-08 | 瑞安市钰易来汽摩零部件有限公司 | 一种烧结含油轴承及其制作工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10306827A (ja) * | 1997-03-06 | 1998-11-17 | Ntn Corp | 動圧型多孔質含油軸受およびその製造方法 |
JPH11350003A (ja) * | 1998-06-12 | 1999-12-21 | Seiko Instruments Inc | 部品の製造方法 |
JP2001279301A (ja) * | 2000-03-31 | 2001-10-10 | Nippon Kagaku Yakin Co Ltd | 焼結含油軸受の製造方法 |
JP2005098294A (ja) * | 2003-08-18 | 2005-04-14 | Senju Metal Ind Co Ltd | スワッシュプレートおよびその製造方法 |
JP2007051705A (ja) * | 2005-08-18 | 2007-03-01 | Ntn Corp | 高精度滑り軸受 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2322915B (en) * | 1997-03-06 | 2001-06-06 | Ntn Toyo Bearing Co Ltd | Hydrodynamic type porous oil-impregnated bearing |
JP4515824B2 (ja) * | 2004-05-27 | 2010-08-04 | Ntn株式会社 | 高精度すべり軸受 |
JP2006226510A (ja) * | 2005-02-21 | 2006-08-31 | Nakahara Kaseihin Kogyo Kk | 軸受け |
JP2007113722A (ja) * | 2005-10-21 | 2007-05-10 | Matsushita Electric Ind Co Ltd | 流体軸受装置及びその製造方法 |
JP2007232113A (ja) * | 2006-03-02 | 2007-09-13 | Hitachi Powdered Metals Co Ltd | 焼結動圧軸受の製造方法 |
-
2007
- 2007-09-11 JP JP2007235820A patent/JP5352978B2/ja active Active
-
2008
- 2008-09-10 CN CN2008800135196A patent/CN101674908B/zh not_active Expired - Fee Related
- 2008-09-10 WO PCT/JP2008/066358 patent/WO2009035010A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10306827A (ja) * | 1997-03-06 | 1998-11-17 | Ntn Corp | 動圧型多孔質含油軸受およびその製造方法 |
JPH11350003A (ja) * | 1998-06-12 | 1999-12-21 | Seiko Instruments Inc | 部品の製造方法 |
JP2001279301A (ja) * | 2000-03-31 | 2001-10-10 | Nippon Kagaku Yakin Co Ltd | 焼結含油軸受の製造方法 |
JP2005098294A (ja) * | 2003-08-18 | 2005-04-14 | Senju Metal Ind Co Ltd | スワッシュプレートおよびその製造方法 |
JP2007051705A (ja) * | 2005-08-18 | 2007-03-01 | Ntn Corp | 高精度滑り軸受 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10843264B2 (en) | 2016-03-08 | 2020-11-24 | Diamet Corporation | Molding die and molding method |
US11446737B2 (en) | 2016-08-18 | 2022-09-20 | Diamet Corporation | Molding die and molding method |
Also Published As
Publication number | Publication date |
---|---|
WO2009035010A1 (ja) | 2009-03-19 |
CN101674908A (zh) | 2010-03-17 |
JP5352978B2 (ja) | 2013-11-27 |
CN101674908B (zh) | 2011-09-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8726515B2 (en) | Oil-impregnated sintered bearing and method of producing the same | |
JP5352978B2 (ja) | 焼結軸受の製造方法 | |
CN108431436B (zh) | 烧结含油轴承及其制造方法 | |
CN107781293B (zh) | 动压轴承及制法、流体动压轴承装置、电动机及成形模具 | |
CN107427917B (zh) | 基于压模法的成型体的成型方法 | |
JP6502085B2 (ja) | 圧粉体及びその製造方法 | |
JP6461483B2 (ja) | 焼結軸受及びこれを備えた流体動圧軸受装置、並びに焼結軸受の製造方法 | |
EP3263925A1 (en) | Double-layer sliding bearing | |
JP2004124258A (ja) | 焼結合金とその製造方法 | |
CN108779803A (zh) | 动压轴承及其制造方法 | |
JP2004308683A (ja) | 焼結含油軸受の製造方法、および焼結含油軸受 | |
JP6449059B2 (ja) | 焼結含油軸受およびその製造方法 | |
CN110168241A (zh) | 烧结含油轴承及其制造方法 | |
KR102484890B1 (ko) | 베어링의 제조방법 | |
JP2019116903A (ja) | 焼結含油軸受及びその製造方法 | |
JP2011074953A (ja) | 焼結軸受、及び焼結体のサイジング装置、並びに焼結軸受のサイジング方法 | |
JP3698352B2 (ja) | 軸受の製造方法 | |
JP2002174246A (ja) | 焼結含油軸受及びその製造方法 | |
JP2001056028A (ja) | 軸受の製造方法 | |
JP2004360863A (ja) | 動圧軸受の製造方法 | |
JP2006153056A (ja) | 含油焼結軸受およびその製造方法 | |
JP2001041244A (ja) | 軸受の製造方法 | |
JP2001020956A (ja) | 軸受の製造方法 | |
JP2001059106A (ja) | 軸受の製造方法 | |
JP2001012470A (ja) | 軸受の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100830 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121029 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121227 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20130402 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130628 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20130705 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130730 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130812 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5352978 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |