JPS57181327A - Preventing method for deformation due to heat treatment by induction hardening - Google Patents

Preventing method for deformation due to heat treatment by induction hardening

Info

Publication number
JPS57181327A
JPS57181327A JP56064865A JP6486581A JPS57181327A JP S57181327 A JPS57181327 A JP S57181327A JP 56064865 A JP56064865 A JP 56064865A JP 6486581 A JP6486581 A JP 6486581A JP S57181327 A JPS57181327 A JP S57181327A
Authority
JP
Japan
Prior art keywords
work
tension
heat treatment
deformation due
induction 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.)
Pending
Application number
JP56064865A
Other languages
Japanese (ja)
Inventor
Hikoichiro Toda
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
Fuji Heavy 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 Fuji Jukogyo KK, Fuji Heavy Industries Ltd filed Critical Fuji Jukogyo KK
Priority to JP56064865A priority Critical patent/JPS57181327A/en
Publication of JPS57181327A publication Critical patent/JPS57181327A/en
Pending 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • 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

  • 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)

Abstract

PURPOSE:To prevent the deformation by heat treatments and to eliminate the need for straightening work after the heat treatments by applying tension to a long sized object within its elastic limit, and hardening the same by high frequencies while maintaining that state. CONSTITUTION:After both ends of the work A which is a long-sized object having intricate parts B such as gear cut parts is fixed and set by means of chucks C, C', tension is applied in a longitudinal direction like arrows by using oil pressure or the like. The magnitude of this tension is the force by which the largest possible tensile force is applied to the work A within its elastic limit, for example, the force required for stretching the overall length of the work A roughly 0.1%. While this tension applied state is held maintained, an electromagnetic coil D is moved in vertical directions to heat the work A then to cool it quickly, whereby the work is hardened.
JP56064865A 1981-04-28 1981-04-28 Preventing method for deformation due to heat treatment by induction hardening Pending JPS57181327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56064865A JPS57181327A (en) 1981-04-28 1981-04-28 Preventing method for deformation due to heat treatment by induction hardening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56064865A JPS57181327A (en) 1981-04-28 1981-04-28 Preventing method for deformation due to heat treatment by induction hardening

Publications (1)

Publication Number Publication Date
JPS57181327A true JPS57181327A (en) 1982-11-08

Family

ID=13270476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56064865A Pending JPS57181327A (en) 1981-04-28 1981-04-28 Preventing method for deformation due to heat treatment by induction hardening

Country Status (1)

Country Link
JP (1) JPS57181327A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459164A (en) * 1981-12-29 1984-07-10 Ntn Toyo Bearing Company, Limited Method and apparatus for compensating for axial deformation of screw shafts due to heat treatment
US4836866A (en) * 1987-11-09 1989-06-06 Fmc Corporation Method of improving fatigue life of an elongated component
US4939042A (en) * 1987-11-09 1990-07-03 Fmc Corporation Fatigue life of a component such as a bar

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467514A (en) * 1977-11-08 1979-05-31 Kobe Steel Ltd Manufacture of non-tempered steel bar having excellent linearity

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467514A (en) * 1977-11-08 1979-05-31 Kobe Steel Ltd Manufacture of non-tempered steel bar having excellent linearity

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459164A (en) * 1981-12-29 1984-07-10 Ntn Toyo Bearing Company, Limited Method and apparatus for compensating for axial deformation of screw shafts due to heat treatment
US4836866A (en) * 1987-11-09 1989-06-06 Fmc Corporation Method of improving fatigue life of an elongated component
US4939042A (en) * 1987-11-09 1990-07-03 Fmc Corporation Fatigue life of a component such as a bar

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