JPS57120620A - Hardening device for rack bar - Google Patents

Hardening device for rack bar

Info

Publication number
JPS57120620A
JPS57120620A JP671181A JP671181A JPS57120620A JP S57120620 A JPS57120620 A JP S57120620A JP 671181 A JP671181 A JP 671181A JP 671181 A JP671181 A JP 671181A JP S57120620 A JPS57120620 A JP S57120620A
Authority
JP
Japan
Prior art keywords
bar
rack bar
rack
contact electrodes
hardening
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
JP671181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS611490B2 (2
Inventor
Hideo Hoshi
Atsuhiro Katsumi
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.)
DKK Co Ltd
Original Assignee
Denki Kogyo Co 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 Denki Kogyo Co Ltd filed Critical Denki Kogyo Co Ltd
Priority to JP671181A priority Critical patent/JPS57120620A/ja
Publication of JPS57120620A publication Critical patent/JPS57120620A/ja
Publication of JPS611490B2 publication Critical patent/JPS611490B2/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
    • C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
JP671181A 1981-01-20 1981-01-20 Hardening device for rack bar Granted JPS57120620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP671181A JPS57120620A (en) 1981-01-20 1981-01-20 Hardening device for rack bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP671181A JPS57120620A (en) 1981-01-20 1981-01-20 Hardening device for rack bar

Publications (2)

Publication Number Publication Date
JPS57120620A true JPS57120620A (en) 1982-07-27
JPS611490B2 JPS611490B2 (2) 1986-01-17

Family

ID=11645865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP671181A Granted JPS57120620A (en) 1981-01-20 1981-01-20 Hardening device for rack bar

Country Status (1)

Country Link
JP (1) JPS57120620A (2)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158324A (en) * 1981-03-26 1982-09-30 High Frequency Heattreat Co Ltd Method and device for hardening of tooth profile
JPS57158325A (en) * 1981-03-26 1982-09-30 High Frequency Heattreat Co Ltd Rack shaft having quench hardened layer continuous to tooth part and hardening method for tooth part of rack shaft
KR100521596B1 (ko) * 2002-11-20 2005-10-12 현대자동차주식회사 직접통전가열에 의한 자동차부품 제조 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155858U (2) * 1979-04-20 1980-11-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155858U (2) * 1979-04-20 1980-11-10

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158324A (en) * 1981-03-26 1982-09-30 High Frequency Heattreat Co Ltd Method and device for hardening of tooth profile
JPS57158325A (en) * 1981-03-26 1982-09-30 High Frequency Heattreat Co Ltd Rack shaft having quench hardened layer continuous to tooth part and hardening method for tooth part of rack shaft
KR100521596B1 (ko) * 2002-11-20 2005-10-12 현대자동차주식회사 직접통전가열에 의한 자동차부품 제조 방법

Also Published As

Publication number Publication date
JPS611490B2 (2) 1986-01-17

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