KR960040518A - Sintered Bearing and Manufacturing Method - Google Patents

Sintered Bearing and Manufacturing Method Download PDF

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Publication number
KR960040518A
KR960040518A KR1019950052394A KR19950052394A KR960040518A KR 960040518 A KR960040518 A KR 960040518A KR 1019950052394 A KR1019950052394 A KR 1019950052394A KR 19950052394 A KR19950052394 A KR 19950052394A KR 960040518 A KR960040518 A KR 960040518A
Authority
KR
South Korea
Prior art keywords
sintered
cylindrical body
bearing
ball
concave groove
Prior art date
Application number
KR1019950052394A
Other languages
Korean (ko)
Inventor
이사오 쓰지다
마사오 아라이
Original Assignee
이사오 쓰지다
가부시키가시야 쇼라이트
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 by 이사오 쓰지다, 가부시키가시야 쇼라이트 filed Critical 이사오 쓰지다
Publication of KR960040518A publication Critical patent/KR960040518A/en

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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
    • F16C33/30—Parts of ball or roller 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
    • 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
    • B22F3/24—After-treatment of 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
    • 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
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Powder Metallurgy (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

본 발명은 단면에 스틸볼 또는 세라믹볼을 갖는 소결베어링 및 그 제조방법에 관한 것이다.The present invention relates to a sintered bearing having a steel ball or a ceramic ball in the cross section and a method of manufacturing the same.

2. 발명이 해결하려고하는 기술적 과제2. The technical problem that the invention is trying to solve

본 발명은 베어링의 단면에 걸리는 하중에 대응할 수 있도록 단면에 스틸볼 또는 세라믹볼을 갖는 소결베어링 및 그러한 베어링을 고정밀도로 또한 효율적으로 대량생산을 행할 수 있는 제조방법을 제공하는 것이다.The present invention provides a sintered bearing having a steel ball or a ceramic ball in the cross section so as to cope with a load applied to the cross section of the bearing, and a manufacturing method capable of mass production of such a bearing with high accuracy.

3. 발명의 해결방법의 요지3. Summary of Solution to Invention

소결, 교정, 함유처리한 소결원통체(8)의 단면 오목한홈(17)에 복수의 스틸볼 또는 세라믹볼(19)를 설치하고 소결원통체(8)의 내부원주면(22)이 회전축 원주저어널에 또한 소결원통체(8) 단면의 복수의 스틸볼 또는 세라믹볼(19)가 회전축방향 저어널에 작용하는 것을 특징으로 하는 단면이 오목한 홈(17)의 복수의 스틸볼 또는 세라믹볼(19)를 갖는 소결베어링 및 그 제조방법이다.A plurality of steel balls or ceramic balls 19 are provided in the concave grooves 17 of the sintered cylindrical body 8 of the sintered, calibrated, and contained treatment, and the inner circumferential surface 22 of the sintered cylindrical body 8 is a rotating shaft circumference. A plurality of steel balls or ceramic balls of the concave groove 17, characterized in that the journal also has a plurality of steel balls or ceramic balls 19 of the cross section of the sintered cylinder 8 acting on the journal in the rotational axis direction ( 19) and a method for producing the sintered bearing.

4. 발명의 중요한 용도4. Important uses of the invention

본 발명은 오일레스베어링 등의 소결베어링의 밀도교정, 연삭을 행한 단면에 스킬볼 또는 세라믹볼을 갖는 소결베어링 및 그 제조방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sintered bearing having a skill ball or a ceramic ball in a density correction and grinding section of a sintered bearing such as an oilless bearing and a manufacturing method thereof.

Description

소결베어링 및 그 제조방법Sintered Bearing and Manufacturing Method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 실시예의 소결베어링의 단면도, 제2도는 본 발명의 실시예의 압분체의 형성을 설명하는 도면, 제3도는 본 발명의 실시예의 교정공정을 설명하는 도면, 제4도는 본 발명의 실시예의 교정공정에서 사용하는 절단기의 확대평면도 및 소결원통체의 단면도, 제5도는 본 발명의 실시예의 교정공정후의 꺼냄을 설명하는 도면, 제6도는 본 발명의 실시예의 탈락방지가공을 행하는 공정을 설명하는 도면, 제7도는 본 발명의 실시예의 소결베어링의 겨냥도, 제8도는 본 발명의 또하나의 실시예의 교정공정에서 사용하는 절단기의 확대평면도 및 소결원통체의 단면도.1 is a cross-sectional view of a sintered bearing of an embodiment of the present invention, FIG. 2 is a view illustrating the formation of a green compact of an embodiment of the present invention, FIG. 3 is a view explaining a calibration process of an embodiment of the present invention, and FIG. 4 is a present invention. An enlarged plan view and a sectional view of the sintered cylindrical body of the cutter used in the calibration process of the embodiment of Fig. 5 is a view for explaining the removal after the calibration process of the embodiment of the present invention, and Fig. 6 is a process for preventing the falling-off processing of the embodiment of the present invention. 7 is an aimed view of the sintered bearing of the embodiment of the present invention, and FIG. 8 is an enlarged plan view and a cross-sectional view of the cutter used in the calibration process of another embodiment of the present invention.

Claims (3)

소결, 교정, 함유처리한 소결원통체(8)의 단면(21) 오목한 홈(17)에 복수의 스틸볼 또는 세라믹볼(19)를 삽입하고 소결원통체(8)의 내부원주면(22)이 회전축원주 저어널베어링에 또한 소결원통체(8) 단면의 복수의 스틸볼 또는 셀믹볼(19)가 회전축방향 저어널베어링에 작용하는 것을 특징으로 하는 단면이 오목한 홈(17)에 복수의 스틸볼 또는 세라믹볼(19)를 갖는 소결베어링.End face 21 of the sintered cylindrical body 8 which has been sintered, calibrated, and contained, and a plurality of steel balls or ceramic balls 19 are inserted into the concave groove 17, and the inner circumferential surface 22 of the sintered cylindrical body 8 is provided. The plurality of steel in the concave groove 17 is characterized in that the rotary shaft circumferential bearing and the plurality of steel balls or selmic balls 19 in the cross section of the sintered cylindrical body 8 act on the rotary axial direction journal bearing. Sintered bearing having a ball or ceramic ball (19). 제1항에 있어서, 원통체로서 그 단면(21)에 환상의 오목한 홈(17)을 갖는 원통압분체(1)를 형성하여 소결시키는 공정, 이어서 소결시킨 원통체를 형에 넣고 소결원통체(8)의 오목한 홈(17)을 갖는 단면(21)에는 오목한 홈(17)의 외측면을 압압하는 통상펀치와 상기한 통상펀치의 중공부에 승강 또한 회전이 가능하고 선단에 상기한 오목한 홈(17)에 대응하는 환상볼록한 형(15)의 절단기를 설치한 펀치에 의해 또한 상기한 소결원통체(8)의 내부원주면(22)에 코어로드(7)를 삽입관통 시키므로서 소결원통체(8)를 상하양면으로부터 압압 연삭을 동시에 행하는 교정공정과, 이어서 함유처리하고 그후 소결원통체(8)의 단면(21) 오목한 홈(17)에 스틸볼, 또는 세라믹볼(19)를 넣고 탈락방지가공을 행하는 공정을 포함하는 것을 특징으로 하는 소결베어링의 제조방법.2. The process according to claim 1, wherein the cylindrical body 1 is formed by sintering the cylindrical compact 1 having an annular concave groove 17 in the end face 21 as a cylindrical body, and then the sintered cylindrical body is placed in a mold. In the end face 21 having the concave groove 17 of 8), the conventional punch for pressing the outer surface of the concave groove 17 and the hollow groove of the conventional punch can be lifted and rotated and the concave groove described above ( The core rod 7 is inserted into the inner circumferential surface 22 of the sintered cylindrical body 8 by a punch provided with a cutter of the annular convex mold 15 corresponding to the sintered cylindrical body 15 8) is a straightening step for simultaneously performing pressure grinding from both the upper and lower sides, and then containing the steel ball or ceramic ball 19 into the concave groove 17 of the end face 21 of the sintered cylinder 8, and then preventing falling. A process for producing a sintered bearing, comprising the step of performing a work. 제2항에 있어서, 소결원통체(8)의 내부원주면(22)에 삽입관통시킨 코어로드(7)를 회전시키는 것을 특징으로 하는 소결베어링의 제조방법.The method for producing a sintered bearing according to claim 2, wherein the core rod (7) inserted through the inner circumferential surface (22) of the sintered cylindrical body (8) is rotated. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950052394A 1995-05-12 1995-12-20 Sintered Bearing and Manufacturing Method KR960040518A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-138781 1995-05-12
JP13878195A JP3238300B2 (en) 1995-05-12 1995-05-12 Manufacturing method of sintered bearing

Publications (1)

Publication Number Publication Date
KR960040518A true KR960040518A (en) 1996-12-17

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ID=15230061

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Application Number Title Priority Date Filing Date
KR1019950052394A KR960040518A (en) 1995-05-12 1995-12-20 Sintered Bearing and Manufacturing Method

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JP (1) JP3238300B2 (en)
KR (1) KR960040518A (en)
SG (1) SG94688A1 (en)
TW (1) TW289787B (en)

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Publication number Priority date Publication date Assignee Title
JP5214555B2 (en) * 2005-01-06 2013-06-19 Ｎｔｎ株式会社 Sintered oil-impregnated bearing
JP4509922B2 (en) * 2005-12-19 2010-07-21 Ｎｔｎ株式会社 Hydrodynamic sintered oil-impregnated bearing for information equipment spindle motor
CN102589493B (en) 2012-02-08 2014-05-21 三一重工股份有限公司 Cantilever crane system, engineering machinery and cantilever crane system terminal end location parameter obtaining method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63147925U (en) * 1987-03-20 1988-09-29
JP2543254Y2 (en) * 1991-06-28 1997-08-06 エヌティエヌ株式会社 Thrust bearing device
JPH06185524A (en) * 1992-12-16 1994-07-05 Sankyo Seiki Mfg Co Ltd Bearing device

Also Published As

Publication number Publication date
JP3238300B2 (en) 2001-12-10
SG94688A1 (en) 2003-03-18
JPH08312640A (en) 1996-11-26
TW289787B (en) 1996-11-01

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