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KR970069245A - 강철제공작물의 표면처리방법 - Google Patents

강철제공작물의 표면처리방법 Download PDF

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Publication number
KR970069245A
KR970069245A KR1019970013076A KR19970013076A KR970069245A KR 970069245 A KR970069245 A KR 970069245A KR 1019970013076 A KR1019970013076 A KR 1019970013076A KR 19970013076 A KR19970013076 A KR 19970013076A KR 970069245 A KR970069245 A KR 970069245A
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South Korea
Prior art keywords
steel
surface treatment
temperature
provided crop
workpiece
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KR1019970013076A
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English (en)
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KR100324088B1 (ko
Inventor
요시로오 야마다
마사아키 이시다
카주히로 우즈마키
Original Assignee
코바야시 카주오
산코오루 카부시키가이샤
마세 케이지
카부시키가이샤 후지세이사쿠쇼
미야사카 요시오
카부시키가이샤 후지키한
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.)
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Application filed by 코바야시 카주오, 산코오루 카부시키가이샤, 마세 케이지, 카부시키가이샤 후지세이사쿠쇼, 미야사카 요시오, 카부시키가이샤 후지키한 filed Critical 코바야시 카주오
Publication of KR970069245A publication Critical patent/KR970069245A/ko
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Publication of KR100324088B1 publication Critical patent/KR100324088B1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
    • 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
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/47—Burnishing
    • Y10T29/479—Burnishing by shot peening or blasting

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Child & Adolescent Psychology (AREA)
  • Health & Medical Sciences (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Springs (AREA)

Abstract

미세한 투사재를 사용한 숏피닝으로 한층 피로특성의 향상을 도모하는 것이다.
20~100㎛의 다수의 경질금속입자를, 강철제공작물의 표면으로 80m/sec 이상의 충돌속도를 투사한다. 그 때, 충돌에 의한 공작물 표면의 승온한계를 150℃보다도 고온으로서, 강철의 회복재결정과 오스테나이트화를 야기시키는 온도보다는 저온으로 되도록 충돌속도를 제어한다.

Description

강철제공작물의 표면처리방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 20~100㎛의 다수의 경질금속입자를, 감제공작물의 표면으로 80m/sec 이상의 충돌속도로서, 또한, 충돌에 의한 공작물 표면의 승온한께 150℃보다도 고온으로서 강철의 회복재결정을 야기시키는 온도보다는 저온으로 제어하면서 충돌시키는 것을 특징으로 하는 강철제 공작물의 표면처리방법.
  2. 제1항에 있어서, 전기한 승온한계의 고온측을 전위고착의 상한온도로 한 것을 특징으로 하는 강철제공작물의 표면처리방법.
  3. 제1항에 있어서, 공기 그외의 가스를 단체로하여 전기한 금속입체를 투사하는 것을 특징으로 하는 강철제공작물의 표면처리방법.
  4. 제1항에 있어서, 강철제공작물의 표면에 100㎛~1.0㎜의 쇼트입자를 투사하여 공작물의 표면으로부터 0.005㎜~0.5㎜의 깊이표면영역으로 압축잔류응력을 부여한 후, 표면처리를 실시한 것을 특징으로 하는 강철제공작물의 표면처리방법.
  5. 제1항에 있어서, 밸브스프링이나 클러치스프링 등의 코일스프링에, 300㎛를 초과하는 칫수의 쇼트입자를 100m/sec 이상에서 투사하고, 다음에 100㎛를 초과하고 30㎛ 이하의 쇼트입자를 투사하여 공작물의 표면조도와 압축잔류응력을 개선한 후, 표면처리를 실시하는 것을 특징으로 하는 강철제공작물의 표면처리방법.
  6. 제1항에 있어서, 20㎛~60㎛의 금속입자를 박판스프링의 표면으로 투사하느 것을 특징으로 하는 강철제공작물의 표면처리방법.
  7. 제1항 내지 제6항 중 어느 한 항에 있어서, 강철제공작물의 표면에 바깥응력을 작용시킨 상태에서 실시하는 것을 특징으로 하는 강철제공작물의 표면처리방법.
  8. 제1항 내지 제7항 중 어느 한 항에 있어서, 표면처리를 실시한 강철제공작물을, 냉간 또는 온간 세팅하는 것을 특징으로 하는 강철제공작물의 표면처리방법.
  9. 제1항 내지 제8항 중 어느 한 항에 있어서, 표면처리를 실시한 강철제공작물을, 저온에서 템퍼하는 것을 특징으로 하는 강철제공작물의 표면처리방법.
  10. 제1항 내지 제9항 중 어느 한 항에 있어서, 표면처리를 실시한 스프링을 특징으로 하는 강철제공작물의 표면처리방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970013076A 1996-04-15 1997-04-09 강철제공작물의표면처리방법 KR100324088B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8092786A JPH09279229A (ja) 1996-04-15 1996-04-15 鋼製ワークの表面処理方法
JP96-92786 1996-04-15

Publications (2)

Publication Number Publication Date
KR970069245A true KR970069245A (ko) 1997-11-07
KR100324088B1 KR100324088B1 (ko) 2002-09-26

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Country Link
US (1) US5816088A (ko)
JP (1) JPH09279229A (ko)
KR (1) KR100324088B1 (ko)

Cited By (1)

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KR100500597B1 (ko) * 1999-08-23 2005-07-12 산코루 가부시키가이샤 피로저항 특성에 우수한 스프링과 그 스프링을 제조하기위한 표면처리방법

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Also Published As

Publication number Publication date
KR100324088B1 (ko) 2002-09-26
JPH09279229A (ja) 1997-10-28
US5816088A (en) 1998-10-06

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