JPS6316314B2 - - Google Patents

Info

Publication number
JPS6316314B2
JPS6316314B2 JP57179980A JP17998082A JPS6316314B2 JP S6316314 B2 JPS6316314 B2 JP S6316314B2 JP 57179980 A JP57179980 A JP 57179980A JP 17998082 A JP17998082 A JP 17998082A JP S6316314 B2 JPS6316314 B2 JP S6316314B2
Authority
JP
Japan
Prior art keywords
bushing
hardness
peripheral surface
hardened
layer
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
JP57179980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5977979A (ja
Inventor
Yasuo Tsucha
Ryoichi Tato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Topy Industries Ltd
Original Assignee
Topy Industries Ltd
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 Topy Industries Ltd filed Critical Topy Industries Ltd
Priority to JP17998082A priority Critical patent/JPS5977979A/ja
Publication of JPS5977979A publication Critical patent/JPS5977979A/ja
Publication of JPS6316314B2 publication Critical patent/JPS6316314B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/18—Tracks
    • B62D55/20—Tracks of articulated type, e.g. chains
    • B62D55/205—Connections between track links

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Heat Treatment Of Articles (AREA)
JP17998082A 1982-10-15 1982-10-15 履帯用ブツシングおよびその生産方法 Granted JPS5977979A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17998082A JPS5977979A (ja) 1982-10-15 1982-10-15 履帯用ブツシングおよびその生産方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17998082A JPS5977979A (ja) 1982-10-15 1982-10-15 履帯用ブツシングおよびその生産方法

Publications (2)

Publication Number Publication Date
JPS5977979A JPS5977979A (ja) 1984-05-04
JPS6316314B2 true JPS6316314B2 (cg-RX-API-DMAC10.html) 1988-04-08

Family

ID=16075347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17998082A Granted JPS5977979A (ja) 1982-10-15 1982-10-15 履帯用ブツシングおよびその生産方法

Country Status (1)

Country Link
JP (1) JPS5977979A (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7306684B2 (en) 2000-03-01 2007-12-11 Komatsu Ltd Crawler bushing and method and device for producing the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0772303B2 (ja) * 1988-04-25 1995-08-02 株式会社小松製作所 ▲高▼深度硬化したブッシング及びその製造方法
JP4187334B2 (ja) 1998-01-29 2008-11-26 トピー工業株式会社 中空円筒状ワークの熱処理方法
US20130098512A1 (en) * 2010-07-02 2013-04-25 Marco Burtchen Mechanical component and method of surface hardening
US11618516B2 (en) * 2019-09-26 2023-04-04 Caterpillar Inc. High carbon steel track bushing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531171A (en) * 1978-08-29 1980-03-05 Nippon Kokan Kk <Nkk> Manufacture of low sulfur ferroalloy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7306684B2 (en) 2000-03-01 2007-12-11 Komatsu Ltd Crawler bushing and method and device for producing the same

Also Published As

Publication number Publication date
JPS5977979A (ja) 1984-05-04

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