JPS5751583A - Link for crawler and its manufacturing method - Google Patents

Link for crawler and its manufacturing method

Info

Publication number
JPS5751583A
JPS5751583A JP55125689A JP12568980A JPS5751583A JP S5751583 A JPS5751583 A JP S5751583A JP 55125689 A JP55125689 A JP 55125689A JP 12568980 A JP12568980 A JP 12568980A JP S5751583 A JPS5751583 A JP S5751583A
Authority
JP
Japan
Prior art keywords
high frequency
hole
bushing
crawler
attaching surface
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
Application number
JP55125689A
Other languages
Japanese (ja)
Other versions
JPS6233991B2 (en
Inventor
Hisao Ishida
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 JP55125689A priority Critical patent/JPS5751583A/en
Publication of JPS5751583A publication Critical patent/JPS5751583A/en
Publication of JPS6233991B2 publication Critical patent/JPS6233991B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

PURPOSE: To prevent yielding of soft zone to the crawler link in the manufacturing process, by a method wherein arranging high frequency inductor in the holes for pin and bushing, and bolt holes of shoe attaching surface and annealing required portion only at high temperature after quenching.
CONSTITUTION: A portion of the pinhole 4, bushing hole 5 and/or bolt holes 7a, 7b of shoe attaching surface are arranged with high frequency inductor 8, 9, 10a and 10b with the capacity correspond to the heat capacity of the respective portions. Then high frequency current is supplied from a high frequency generator 11 to inductors 8, 9, 10a, 10b, to anneal portions to be machined off as 4a of the pin hole 4, 5a of the bushing hole 5 and 7a, 7b of the bolt hole 7 at high temperature.
COPYRIGHT: (C)1982,JPO&Japio
JP55125689A 1980-09-10 1980-09-10 Link for crawler and its manufacturing method Granted JPS5751583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55125689A JPS5751583A (en) 1980-09-10 1980-09-10 Link for crawler and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55125689A JPS5751583A (en) 1980-09-10 1980-09-10 Link for crawler and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS5751583A true JPS5751583A (en) 1982-03-26
JPS6233991B2 JPS6233991B2 (en) 1987-07-23

Family

ID=14916245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55125689A Granted JPS5751583A (en) 1980-09-10 1980-09-10 Link for crawler and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5751583A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5500058A (en) * 1994-08-16 1996-03-19 Topy Kogyo Kabushiki Kaisha Method for producing a vehicular endless track link
US7040080B2 (en) 2002-06-14 2006-05-09 Komatsu Ltd. Track link production method and track link produced by the same
CN100404702C (en) * 2004-05-17 2008-07-23 都美工业株式会社 Heat processing unit case heat treating method and its device
CN100404701C (en) * 2004-05-18 2008-07-23 都美工业株式会社 Heat processing unit case heat treating method and its device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5500058A (en) * 1994-08-16 1996-03-19 Topy Kogyo Kabushiki Kaisha Method for producing a vehicular endless track link
US7040080B2 (en) 2002-06-14 2006-05-09 Komatsu Ltd. Track link production method and track link produced by the same
CN100404702C (en) * 2004-05-17 2008-07-23 都美工业株式会社 Heat processing unit case heat treating method and its device
CN100404701C (en) * 2004-05-18 2008-07-23 都美工业株式会社 Heat processing unit case heat treating method and its device

Also Published As

Publication number Publication date
JPS6233991B2 (en) 1987-07-23

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