JPS57120621A - Hardening device for rack bar - Google Patents

Hardening device for rack bar

Info

Publication number
JPS57120621A
JPS57120621A JP671281A JP671281A JPS57120621A JP S57120621 A JPS57120621 A JP S57120621A JP 671281 A JP671281 A JP 671281A JP 671281 A JP671281 A JP 671281A JP S57120621 A JPS57120621 A JP S57120621A
Authority
JP
Japan
Prior art keywords
parts
rack bar
chips
conductors
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
JP671281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6132374B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yoshihiro Okawa
Seiichi Sawatsubashi
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 JP671281A priority Critical patent/JPS57120621A/ja
Publication of JPS57120621A publication Critical patent/JPS57120621A/ja
Publication of JPS6132374B2 publication Critical patent/JPS6132374B2/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)
JP671281A 1981-01-20 1981-01-20 Hardening device for rack bar Granted JPS57120621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP671281A JPS57120621A (en) 1981-01-20 1981-01-20 Hardening device for rack bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP671281A JPS57120621A (en) 1981-01-20 1981-01-20 Hardening device for rack bar

Publications (2)

Publication Number Publication Date
JPS57120621A true JPS57120621A (en) 1982-07-27
JPS6132374B2 JPS6132374B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-07-26

Family

ID=11645887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP671281A Granted JPS57120621A (en) 1981-01-20 1981-01-20 Hardening device for rack bar

Country Status (1)

Country Link
JP (1) JPS57120621A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS57158324A (en) * 1981-03-26 1982-09-30 High Frequency Heattreat Co Ltd Method and device for hardening of tooth profile
EP1369337A1 (en) * 2002-06-06 2003-12-10 Toyoda Koki Kabushiki Kaisha Rack bar and method of heat-treating a rack bar

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS57158324A (en) * 1981-03-26 1982-09-30 High Frequency Heattreat Co Ltd Method and device for hardening of tooth profile
EP1369337A1 (en) * 2002-06-06 2003-12-10 Toyoda Koki Kabushiki Kaisha Rack bar and method of heat-treating a rack bar
US7721617B2 (en) 2002-06-06 2010-05-25 Jtekt Corporation Heat-treated rack bar

Also Published As

Publication number Publication date
JPS6132374B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-07-26

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