KR920018330A - 가스터어빈 엔진 부품의 보수방법 - Google Patents

가스터어빈 엔진 부품의 보수방법 Download PDF

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KR920018330A
KR920018330A KR1019920004126A KR920004126A KR920018330A KR 920018330 A KR920018330 A KR 920018330A KR 1019920004126 A KR1019920004126 A KR 1019920004126A KR 920004126 A KR920004126 A KR 920004126A KR 920018330 A KR920018330 A KR 920018330A
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Prior art keywords
metal object
component
layer
recast layer
inches
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KR1019920004126A
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제이.스몰인스키 존
제이. 드래지 피터
대니엘센 존 알
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원본 미기재
유나이티드 테크놀로지스 코오포레이숀
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Publication of KR920018330A publication Critical patent/KR920018330A/ko

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/005—Repairing methods or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/354—Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/005—Camshafts
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49318—Repairing or disassembling
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49721—Repairing with disassembling
    • Y10T29/49723—Repairing with disassembling including reconditioning of part
    • Y10T29/49725—Repairing with disassembling including reconditioning of part by shaping
    • Y10T29/49726—Removing material
    • Y10T29/49728—Removing material and by a metallurgical operation, e.g., welding, diffusion bonding, casting
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49746—Repairing by applying fluent material, e.g., coating, casting

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Laser Beam Processing (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

내용 없음

Description

가스터어빈 엔진 부품의 보수방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 시험예의 표면을 스트라이킹하는 레이저 비임의 사시도,
제2도는 레이저 비임이 적용된 시료의 표면의 일정한 영역의 단면도,
제3도는 레이저 비임에 의한 변형을 도시하는 제1도의 시료의 사시도.

Claims (19)

  1. 금속물체의 성형방법에 있어서, a. 상기 금속물체상의 박막금속층을 용융시키도록 상기 금속물체에 에너지입력을 제공하는, 레이저 비임을 상기 금속물체의 표면에 조사시키는 단계와; b. 상기 용융금속층을 응고시키고, 대체로 대기온도로 냉각시켜서 재주조(recast)층을 형성시키는 단계 및 ; c. 상기 금속물체의 면적에 걸쳐서 예정된 패턴대로 상기 용융공정을 반복하는 단계로 구성되는 것을 특징으로 하는 금속물체의 성형방법.
  2. 제1항에 있어서, 상기 재주조층의 두께는 0.010인치 이하인 것을 특징으로 하는 금속물체의 성형방법.
  3. 제1항에 있어서, 상기 재주조층의 두께는 0.0005 내지 0.001인치인 것을 특징으로 하는 금속물체의 성형방법.
  4. 제1항에 있어서, 상기 레이저 비임이 상기 금속물체의 표면에 예정된 패턴으로 조사되어 상기 재형상화된 금속의 형상에 특정한 변화를 생기게 하는 것을 특징으로 하는 금속물체의 성형방법.
  5. 제1항에 있어서, 상기 재주조층이 상기 재형상화된 금속 물체로부터 제거되는 것을 특징으로 하는 금속물체의 성형방법.
  6. 금속물체의 성형 방법에 있어서, a. 상기 금속물체의 표면에서 금속층을 용융시키도록, 레이저 비임을 상기 금속물체의 표면에 조사시키는 단계와; b. 상기 용융금속층을 응고시키고 대체로 대기온도까지 냉각시켜서 재주조층을 형성시키는 단계와; c. 상기 용융공정을 상기 금속물체상의 면적에 걸쳐서 예정된 배열로 반복하는 단계와; d.추가의 재형상화가 필요한지를 결정하기 위해 상기 금속물체의 치수를 검사하는 단계 및; e. 요구되는 형상을 얻기 위해 필요에 따라 상기 c단계와 상기 d단계를 반복하는 단계로 구성되는 것을 특징으로 하는 금속물체의 성형방법.
  7. 제6항에 있어서, 상기 재주조층의 두께는 0.010인치 이하인 것을 특징으로 하는 금속물체의 성형방법.
  8. 제6항에 있어서, 상기 재주조층의 두께는 0.0005 내지 0.001인치인 것을 특징으로 하는 금속물체의 성형방법.
  9. 제6항에 있어서, 상기 재주조층이 상기 금속물체로 부터 제거되는 것을 특징으로 하는 금속물체의 성형방법.
  10. 가스터어빈 엔진의 터어빈부품을 수리 및 재형상화 시키는 방법에 있어서, a. 상기 터어빈 부품의 표면으로부터 보호피막을 제거하는 단계와; b. 상기 터어빈 부품에 대해 재료의 결함과 부식 그리고 원래 형상으로 부터의 비틀림을 검사하는 단계와; c. 부식된 재료의 수리 또는 교체를 요하는 영역에서 상기 부품의 표면에 재료를 부가하는 단계와; d. 상기 부가재료를 상기 부품에 접착시키는 단계와; e. 상기비틀림 영역내의 상기 부품의 표면에 레이저 비임을 조사시켜서 상기 비틀림영역 표면의 국부영역이 용융, 고화되고 대기온도까지 냉각되어 재주조층을 형성하게 되는 단계와; f. 상기 부품의 표면으로부터 초과 재료를 제거하는 단계 및 g. 상기 부품의 표면에 상기 보호피막을 다시 입히는 단계로 구성되는 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  11. 제10항에 있어서, 상기 재주조층의 두께는 0.010인치인 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  12. 제10항에 있어서, 상기 재주조층의 두께는 0.0005 내지 0.001인치인 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  13. 제10항에 있어서, 상기 재주조층이 상기 터어빈 부품으로 부터 제거되는 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  14. 제10항에 있어서, 상기 부가재료의 부품이 레이저 용융 이전에 매끄럽게 되는 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  15. 가스터어빈 엔진의 부품의 수리 및 재형상화 시키는 방법에 있어서, a. 상기 터어빈 부품의 보호피막을 제거하는 단계와; b. 상기 터어빈 부품에 대하여 재료의 결함과 부식 그리고 원래 형상으로 부터의 비틀림을 검사하는 단계와; c. 부식된 재료의 수리 또는 교체를 요하는 영역에서 상기 부품의 표면에 재료를 부가하는 단계와; d. 상기 부가재료를 상기 부품에 합금하는 단계와; e. 상기 비틀림 영역내의 상기 부품의 표면에 레이저 비임을 조사하여 상기 비틀림영역 표면의 국부영역이 용융, 응고되고 대기온도까지 냉각되는 단계와; f. 추가의 재형상화가 필요한지를 결정하기 위해 상기 부품의 치수를 검사하는 단계와; g. 요구되는 형상을 얻기 위해 필요에 따라 상기 f단계와, 상기 g단계를 반복하는 단계와, h. 상기 부품의 표면으로부터 여분의 재료를 제거하는 단계 및; i. 상기 부품의 표면에 상기 보호피막을 다시 입히는 단계로 구성되는 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  16. 제15항에 있어서, 상기 제주조층의 두께는 0.010인치 이하인 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  17. 제15항에 있어서, 상기 재주조층의 두께는 0.0005 내지 0.001인치인 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  18. 제15항에 있어서, 상기 재주조층이 상기 부품으로 부터 제거되는 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
  19. 제15항에 있어서, 상기 부가 재료의 표면은 레이저 용융 이전에 매끄럽게 되는 것을 특징으로 하는 가스터어빈 엔진의 터어빈 부품을 수리 및 재형상화 시키는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920004126A 1991-03-13 1992-03-13 가스터어빈 엔진 부품의 보수방법 KR920018330A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US668,580 1976-03-19
US07/668,580 US5142778A (en) 1991-03-13 1991-03-13 Gas turbine engine component repair

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KR920018330A true KR920018330A (ko) 1992-10-21

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US (1) US5142778A (ko)
EP (1) EP0504095A3 (ko)
JP (1) JPH05131281A (ko)
KR (1) KR920018330A (ko)
AU (1) AU1282292A (ko)
IE (1) IE920793A1 (ko)

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IE920793A1 (en) 1992-09-23
US5142778A (en) 1992-09-01

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