JPH0443622Y2 - - Google Patents

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Publication number
JPH0443622Y2
JPH0443622Y2 JP1988028119U JP2811988U JPH0443622Y2 JP H0443622 Y2 JPH0443622 Y2 JP H0443622Y2 JP 1988028119 U JP1988028119 U JP 1988028119U JP 2811988 U JP2811988 U JP 2811988U JP H0443622 Y2 JPH0443622 Y2 JP H0443622Y2
Authority
JP
Japan
Prior art keywords
bearing
shaft
hole
flanged
flange
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.)
Expired
Application number
JP1988028119U
Other languages
English (en)
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JPH01133519U (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 JP1988028119U priority Critical patent/JPH0443622Y2/ja
Priority to US07/314,174 priority patent/US4917509A/en
Priority to IT8967140A priority patent/IT1232845B/it
Priority to DE3906889A priority patent/DE3906889C2/de
Publication of JPH01133519U publication Critical patent/JPH01133519U/ja
Application granted granted Critical
Publication of JPH0443622Y2 publication Critical patent/JPH0443622Y2/ja
Expired legal-status Critical Current

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Classifications

    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0425—Copper-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/006—Pivot joint assemblies
    • 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
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • 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
    • 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
    • F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
    • 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
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/02—Arrangements for equalising the load on a plurality of bearings or their elements
    • 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
    • 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
    • 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
    • F16C2220/40—Shaping by deformation without removing material
    • F16C2220/44—Shaping by deformation without removing material by rolling
    • 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
    • F16C2220/40—Shaping by deformation without removing material
    • F16C2220/46—Shaping by deformation without removing material by forging
    • 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
    • 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
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/02—Mechanical treatment, e.g. finishing
    • 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
    • F16C2350/00—Machines or articles related to building
    • F16C2350/26—Excavators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Composite Materials (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Powder Metallurgy (AREA)
  • Mounting Of Bearings Or Others (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は円筒状軸受の端部に鍔を設置した鍔付
軸受に関する。
〔従来の技術〕
鍔付軸受は円筒状軸受と鍔から成り、円筒状軸
受で横方に掛かる軸の荷重を支え、鍔で縦方に掛
かる軸の荷重を支えるものである。
一般にブルドーザーやパワーシヤベルのような
建設機械の下転輪に用いられる鍔付軸受は、摺動
部に大荷重が掛かるため機械的強度の強い鍔に
LBCやPBCのような耐荷重性のある軸受合金を
張り付けたもので作られている。従つて、ハウジ
ング本体の穴に密着した部分では優れた強度を発
揮できるものである。
従来の鍔付軸受は第４，５図に示すように、円
筒状軸受の内面、即ち軸８を支える面については
両端に小さな面取り９，９が施されていただけの
ものであつた。該面取りは円筒状軸受内への軸の
挿入を容易にするとともに、軸の回転時、軸のブ
レや撓みで鋭い角部となつた円筒状軸受の端部が
軸を傷つけないようにするものである。
〔考案が解決しようとする課題〕
しかるに、従来の鍔付軸受は長期間使用するう
ちに第５図に示す如く、鍔２に近い円筒状軸受１
に亀裂Ｋが入るという事故を起こすことがあつ
た。
〔課題を解決するための手段〕
本考案者が従来の鍔付軸受における亀裂発生の
原因について鋭意検討を重ねた結果、ハウジング
本体５の穴に施した面取り７が影響していること
をつきとめた。ハウジング本体の穴の面取りは鍔
付軸受をハウジング本体の穴に嵌合する時に円滑
に行わしめるためのものである。つまり、ハウジ
ング本体の穴径と鍔付軸受の円筒状軸受の外径の
クリアランスは僅か0.05〜0.2mmという小さなも
のであり、該穴が穿設加工のままであると穴の入
口が鋭利な角部となつているため、円筒状軸受を
穴に嵌合する時に、円筒状軸受の外側が穴入口の
角部に引掛かつて嵌合できなくなつてしまうこと
から穴の入口に面取りを施して嵌合を容易にして
いる。
ところで、鍔付軸受に挿入設置された軸８は大
きな荷重が掛かつたり、軸受と軸とが偏心してい
ると第５図に示すように撓むようになる。この時
の荷重は、軸が鍔付軸受から出る部分、即ち鍔が
設置された端部に大きく掛かるが、該端部のハウ
ジング本体の穴の入口には前述の如く面取りが施
され、円筒軸受との間に空洞が形成されているた
め、鍔付軸受の端部は該空洞内に押されて屈曲す
るようになる。従つて軸の撓みが周期的にある
と、鍔付軸受の端部は面取りの空洞内に押されて
出たり入つたりする屈曲となり、長期間のうちに
この部分に金属疲労が起こつて、ついには亀裂を
発生させてしまうものである。
そこで本考案者は、軸が撓んでも鍔付軸受の端
部に力が掛からないようにすれば、該端部に金属
疲労を起こさせないことに着目して本考案を完成
させた。
本考案は、円筒状軸受と鍔から成る鍔付軸受に
おいて、鍔付軸受をハウジング本体の穴に嵌合し
た時、Ｌ≧Ｗ＋Ｄ（Ｌ：逃げ溝の長さ、Ｗ：鍔の
厚さ、Ｄ：面取り部の長さ）を満足するように該
穴の面取部と同一かまたはそれよりも奥方となる
逃げ溝を形成し、円筒状軸受の内面の鍔側端部に
は撓んだ軸が接触しないように構成したことを特
徴とする鍔付軸受である。
〔実施例〕
以下、図面に基づいて本考案を説明する。
第１図および第２図に示すように、鍔付軸受は
円筒状軸受１と鍔２から構成されており、それぞ
れ機械的強度に強い鋼を裏金とし、軸を支える部
分には潤滑性に優れた軸受材料３が張り付けられ
ている。円筒状軸受の内面で鍔側端部には逃げ溝
４が形成されている。該逃げ溝は撓んだ軸が接触
しないようなものでなければならない。逃げ溝の
形成位置はハウジング本体５に穿設した鍔付軸受
埋込用の穴６の面取７と同一かまたはそれよりも
奥方である。これを理解に便宜なように第３図を
参照して式で表すと次の如くとなる。
逃げ溝の長さＬ ≧鍔の厚さＷ＋面取りの深さＤ Ｌ＜Ｗ＋Ｄとなると、逃げ溝の奥行きが短くな
つてハウジング本体５の面取部７の隅部の応力集
中は避けられず、第５図に示すような亀裂発生は
避けられない。
なお、逃げ溝の形状は図面に示すような段状の
他、図示しない傾斜溝でもよい。
次に本考案の鍔付軸受における軸の支持状態に
ついて説明する。
鍔付軸受に挿入した軸８が撓んで円筒状軸受１
の鍔側端部方向に屈曲しても該端部には逃げ溝４
が形成されているため、軸は該端部に接触しな
い。従つて、軸が円筒状軸受の端部を押し付けて
面取りの空洞内に屈曲させることがないため鍔付
軸受に金属疲労による亀裂の発生は起こらないも
のである。この時、軸が円筒軸受を強く押す部分
は円筒状軸受の逃げ溝の手前、即ち穴の面取りよ
りも奥方となる。
〔考案の効果〕
以上説明した如く、本考案の鍔付軸受は円筒状
軸受の端部が軸の撓みて屈曲しないため、金属疲
労による亀裂発生が皆無となり長期間安定した軸
受特性を発揮できるものである。
【図面の簡単な説明】
第１図は本考案鍔付軸受の正面中央断面図、第
２図は撓んだ軸を受ける本考案鍔付軸受の正面中
央断面図、第３図は本考案鍔付軸受の要部拡大断
面図、第４図は従来の鍔付軸受の正面中央断面
図、第５図は撓んだ軸を受ける従来の鍔付軸受の
正面中央断面図である。 １……円筒状軸受、２……鍔、４……逃げ溝、
５……ハウジング本体、６……穴、７……面取
り、８……軸。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円筒状軸受と鍔から成る鍔付軸受において、鍔
    付軸受をハウジング本体５の穴６に嵌合した時、
    Ｌ≧Ｗ＋Ｄ（Ｌ：逃げ溝の長さ、Ｗ：鍔の厚さ、
    Ｄ：面取り部の長さ）を満足するように該穴６の
    面取部７と同一かまたはそれよりも奥方となる逃
    げ溝を形成し、円筒状軸受１の内面の鍔側端部に
    は撓んだ軸が接触しないように構成したことを特
    徴とする鍔付軸受。
JP1988028119U 1988-03-04 1988-03-04 Expired JPH0443622Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1988028119U JPH0443622Y2 (ja) 1988-03-04 1988-03-04
US07/314,174 US4917509A (en) 1988-03-04 1989-02-22 Flanged bearing and process for producing same
IT8967140A IT1232845B (it) 1988-03-04 1989-03-02 Cuscinetto flangiato e procedimento per la sua fabbricazione
DE3906889A DE3906889C2 (de) 1988-03-04 1989-03-03 Flanschlager und Verfahren zu seiner Herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988028119U JPH0443622Y2 (ja) 1988-03-04 1988-03-04

Publications (2)

Publication Number Publication Date
JPH01133519U JPH01133519U (ja) 1989-09-12
JPH0443622Y2 true JPH0443622Y2 (ja) 1992-10-15

Family

ID=12239916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988028119U Expired JPH0443622Y2 (ja) 1988-03-04 1988-03-04

Country Status (4)

Country Link
US (1) US4917509A (ja)
JP (1) JPH0443622Y2 (ja)
DE (1) DE3906889C2 (ja)
IT (1) IT1232845B (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0491835A (ja) * 1990-08-07 1992-03-25 Takata Kk 軸受およびその製造方法
DE4204018A1 (de) * 1992-02-12 1992-09-24 Daimler Benz Ag Gleitlager
JP2569074Y2 (ja) * 1992-02-26 1998-04-22 自動車機器株式会社 ラックピニオン式舵取装置のラックブッシュ
US5352045A (en) * 1993-01-06 1994-10-04 The Integrated Bearing Co. Ltd. Means of mounting a revolving cutting element
US5385422A (en) * 1993-02-08 1995-01-31 Chrysler Corporation Pivot/rotational device
DE19636419A1 (de) * 1996-09-07 1998-03-12 Kolbenschmidt Ag Gleitlagerschale oder -buchse und Verfahren zu ihrer Herstellung
US6017184A (en) * 1997-08-06 2000-01-25 Allied Signal Inc. Turbocharger integrated bearing system
DE19824128A1 (de) * 1998-05-29 1999-12-02 Ksb Ag Radiallager in Gleitlagerbauart
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Also Published As

Publication number Publication date
IT8967140A0 (it) 1989-03-02
IT1232845B (it) 1992-03-05
DE3906889A1 (de) 1989-09-14
US4917509A (en) 1990-04-17
DE3906889C2 (de) 1997-04-03
JPH01133519U (ja) 1989-09-12

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