JP5217078B2 - 焼結含油軸受の製造方法 - Google Patents
焼結含油軸受の製造方法 Download PDFInfo
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- JP5217078B2 JP5217078B2 JP2005075940A JP2005075940A JP5217078B2 JP 5217078 B2 JP5217078 B2 JP 5217078B2 JP 2005075940 A JP2005075940 A JP 2005075940A JP 2005075940 A JP2005075940 A JP 2005075940A JP 5217078 B2 JP5217078 B2 JP 5217078B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 123
- 239000000956 alloy Substances 0.000 claims abstract description 23
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 10
- 230000003746 surface roughness Effects 0.000 claims description 4
- 238000005245 sintering Methods 0.000 abstract description 6
- 239000010687 lubricating oil Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000011800 void material Substances 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- 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
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
- B22F5/106—Tube or ring forms
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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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
-
- 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
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
-
- 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
-
- 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
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
-
- 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
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
-
- 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
-
- 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
- F16C33/145—Special methods of manufacture; Running-in of sintered porous bearings
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
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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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/68—Shaping by removing material, e.g. machining by electrical discharge or electrochemical machining
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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
- F16C2220/00—Shaping
- F16C2220/60—Shaping by removing material, e.g. machining
- F16C2220/70—Shaping by removing material, e.g. machining by grinding
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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
- F16C2220/00—Shaping
- F16C2220/80—Shaping by separating parts, e.g. by severing, cracking
- F16C2220/82—Shaping by separating parts, e.g. by severing, cracking by cutting
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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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/10—Force connections, e.g. clamping
- F16C2226/12—Force connections, e.g. clamping by press-fit, e.g. plug-in
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S384/00—Bearings
- Y10S384/90—Cooling or heating
- Y10S384/902—Porous member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacturing & Machinery (AREA)
- Sliding-Contact Bearings (AREA)
- Powder Metallurgy (AREA)
Description
図6は、成形時及び強制時に空孔8を潰す処理を行わなかった「処理なし」の軸受と、本実施例により成形時及び強制時に空孔8を潰す処理を行なった「処理あり」の軸受1の外周面7を拡大撮影し、二値化処理した画像を示し、No.1は密度が6.7g/cm3、No.2は密度が6.9g/cm3、No.3は密度が7.1g/cm3のものを示し、「処理あり」では表面空孔率が大幅に下がることが判る。
2 軸受本体
3 軸受孔
4 摺動面
7 外周面
8 空孔
9 回転軸
11 成形用金型
11A 矯正用金型
12 ダイ
17 内周面
21 荒し部
M 原料粉末
P 圧粉体
Claims (2)
- 原料粉末から圧粉体を形成し、この圧粉体を焼結して内部に空孔を含む多孔質状の焼結合金を形成し、この焼結合金からなる軸受本体に、回転軸が挿通される軸受孔が形成された焼結含油軸受の製造方法において、
前記圧粉体の成形に用いる成形用金型は、内周面が圧粉体の外周面を形成するダイを有し、前記ダイの内周面には荒し部が形成されると共に、この荒し部より圧粉体排出側の内周面が鏡面状に形成され、前記荒し部は前記圧粉体の外周面を前記ダイの鏡面状の内周面より大きな微細凹凸状に形成し、前記荒し部は表面粗度が2〜15S、前記内周面に対して前記荒し部の内周端の深さHが0.01ミリ以下であり、
前記圧粉体を前記ダイ内から該ダイの軸方向に排出する際、前記荒し部と前記鏡面状の内周面により前記圧粉体の外周面で開放された前記空孔を潰し、前記軸受本体の外周面の前記空孔を潰した部分の表面空孔率が10%以下にすることを特徴とする焼結含油軸受の製造方法。 - 前記焼結合金を矯正し、この矯正時又は矯正後に前記焼結合金の外周面で開放された前記空孔を潰すことを特徴とする請求項1記載の焼結含油軸受の製造方法。
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005075940A JP5217078B2 (ja) | 2005-03-16 | 2005-03-16 | 焼結含油軸受の製造方法 |
KR1020127016165A KR101331642B1 (ko) | 2005-03-16 | 2005-11-14 | 소결 함유 베어링 및 그 제조 방법 |
KR1020077021203A KR20070119644A (ko) | 2005-03-16 | 2005-11-14 | 소결 함유 베어링 및 그 제조 방법 |
PCT/JP2005/020806 WO2006098060A1 (ja) | 2005-03-16 | 2005-11-14 | 焼結含油軸受及びその製造方法 |
KR1020137011813A KR101295411B1 (ko) | 2005-03-16 | 2005-11-14 | 소결 함유 베어링 및 그 제조 방법 |
KR1020137017030A KR101364901B1 (ko) | 2005-03-16 | 2005-11-14 | 소결 함유 베어링 및 그 제조 방법 |
US11/817,270 US8057101B2 (en) | 2005-03-16 | 2005-11-14 | Oil impregnated sintered bearing and manufacturing method thereof |
EP05806303.3A EP1860335B1 (en) | 2005-03-16 | 2005-11-14 | Manufacturing method of an oil-impregnated sintered bearing and oil-impregnated sintered bearing |
CN2005800490828A CN101142416B (zh) | 2005-03-16 | 2005-11-14 | 烧结含油轴承及其制造方法 |
US12/856,381 US8449815B2 (en) | 2005-03-16 | 2010-08-13 | Oil-impregnated sintered bearing and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005075940A JP5217078B2 (ja) | 2005-03-16 | 2005-03-16 | 焼結含油軸受の製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012004611A Division JP5397487B2 (ja) | 2012-01-13 | 2012-01-13 | 焼結含油軸受及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006258185A JP2006258185A (ja) | 2006-09-28 |
JP5217078B2 true JP5217078B2 (ja) | 2013-06-19 |
Family
ID=36991418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005075940A Active JP5217078B2 (ja) | 2005-03-16 | 2005-03-16 | 焼結含油軸受の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8057101B2 (ja) |
EP (1) | EP1860335B1 (ja) |
JP (1) | JP5217078B2 (ja) |
KR (4) | KR101295411B1 (ja) |
CN (1) | CN101142416B (ja) |
WO (1) | WO2006098060A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9919475B2 (en) | 2014-09-16 | 2018-03-20 | Ricoh Company, Ltd. | Three-dimensional printing apparatus, three-dimensional object forming method, and three-dimensional object |
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JP5036521B2 (ja) | 2007-12-12 | 2012-09-26 | 株式会社椿本チエイン | チェーン用潤滑剤組成物及びチェーン |
JP5335621B2 (ja) * | 2009-08-28 | 2013-11-06 | Ntn株式会社 | すべり軸受およびこれを備えるすべり軸受ユニット、並びにこの軸受ユニットを備えるモータ |
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JP5749073B2 (ja) * | 2011-05-16 | 2015-07-15 | Ntn株式会社 | オイルシール部材及びその製造方法 |
JP6026319B2 (ja) * | 2012-03-13 | 2016-11-16 | Ntn株式会社 | 焼結軸受の製造方法 |
IN2014DN07929A (ja) | 2012-03-13 | 2015-05-01 | Ntn Toyo Bearing Co Ltd | |
WO2015031247A2 (en) | 2013-08-27 | 2015-03-05 | The Timken Company | Retainer |
JP6509951B2 (ja) * | 2013-08-27 | 2019-05-08 | Ntn株式会社 | 燃料ポンプ用焼結軸受およびその製造方法 |
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US11998987B2 (en) * | 2017-12-05 | 2024-06-04 | Kennametal Inc. | Additive manufacturing techniques and applications thereof |
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JP4204233B2 (ja) | 2002-01-30 | 2009-01-07 | 日立粉末冶金株式会社 | 焼結含油滑り軸受および建設機械油圧ショベルまたはクレーン |
JP2003232354A (ja) * | 2002-02-07 | 2003-08-22 | Hitachi Powdered Metals Co Ltd | 軸受ユニットおよびその製造方法ならびにスピンドルモータ |
JP2003314533A (ja) | 2002-04-25 | 2003-11-06 | Ntn Corp | 流体軸受装置 |
JP2004132403A (ja) * | 2002-10-08 | 2004-04-30 | Ntn Corp | 流体軸受装置 |
JP4346984B2 (ja) * | 2003-08-11 | 2009-10-21 | 三菱マテリアルPmg株式会社 | 焼結含油軸受、焼結含油軸受の製造方法および製造装置 |
JP4380274B2 (ja) * | 2003-09-10 | 2009-12-09 | 日立粉末冶金株式会社 | 鉄銅系焼結含油軸受用合金の製造方法 |
JP3686665B2 (ja) * | 2004-07-28 | 2005-08-24 | Ntn株式会社 | 動圧型軸受ユニット及びその製造方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9919475B2 (en) | 2014-09-16 | 2018-03-20 | Ricoh Company, Ltd. | Three-dimensional printing apparatus, three-dimensional object forming method, and three-dimensional object |
Also Published As
Publication number | Publication date |
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US8449815B2 (en) | 2013-05-28 |
KR101295411B1 (ko) | 2013-08-09 |
US8057101B2 (en) | 2011-11-15 |
KR20120076398A (ko) | 2012-07-09 |
KR20130087603A (ko) | 2013-08-06 |
EP1860335B1 (en) | 2017-07-26 |
KR20070119644A (ko) | 2007-12-20 |
JP2006258185A (ja) | 2006-09-28 |
KR101364901B1 (ko) | 2014-02-19 |
US20100307006A1 (en) | 2010-12-09 |
EP1860335A4 (en) | 2011-09-21 |
EP1860335A1 (en) | 2007-11-28 |
CN101142416B (zh) | 2012-05-30 |
KR101331642B1 (ko) | 2013-11-20 |
WO2006098060A1 (ja) | 2006-09-21 |
US20080199115A1 (en) | 2008-08-21 |
KR20130055705A (ko) | 2013-05-28 |
CN101142416A (zh) | 2008-03-12 |
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