KR20060123167A - 맞대기 용접 방법 - Google Patents
맞대기 용접 방법 Download PDFInfo
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- KR20060123167A KR20060123167A KR1020067009712A KR20067009712A KR20060123167A KR 20060123167 A KR20060123167 A KR 20060123167A KR 1020067009712 A KR1020067009712 A KR 1020067009712A KR 20067009712 A KR20067009712 A KR 20067009712A KR 20060123167 A KR20060123167 A KR 20060123167A
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Classifications
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/222—Non-consumable electrodes
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/324—Devices for supplying or evacuating a shielding or a welding powder, e.g. a magnetic powder
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
- B23K35/383—Selection of media, e.g. special atmospheres for surrounding the working area mainly containing noble gases or nitrogen
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
Claims (18)
- 필러 와이어를 사용하는 GTAW 용접기를 사용하여 경사 접합부를 갖는 비-스테인리스 강 금속 가공편을 맞대기 용접하는 방법에 있어서,상기 가공편의 루트 단부에서 최소 랜드 두께를 갖는 경사 접합부 영역을 구비한 경사진 가공편을 제공하는 단계와,상기 가공편의 인접한 루트 단부 사이에 개방 루트 영역을 형성하는 개방 간극을 두고 미리 준비된 가공편 접합부를 위치시키는 단계로서, 상기 간극은 용접 수축으로 인한 상기 가공편 사이의 유해한 압축 응력을 방지하는 최소 치소 및 상기 간극의 필러 와이어 침투를 방지하는 최대 치수를 갖는, 상기 단계와,균형 불활성 가스 및 1 내지 10% 수소를 포함하는 차폐 가스와 필러 와이어가 공급되는 GTAW 용접기를 사용하여 루트 패스 용접으로 상기 인접한 가공편의 개방 루트 영역을 융접하는 단계와,무-수소 차폐 가스 및 필러 와이어가 공급되는 GTAW 용접기를 사용하여 적어도 하나의 추가 필러 용접 패스로 상기 루트 패스 용접을 덧씌우는 단계를 포함하며,상기 개방 루트 패스는 차폐 가스 전달 탄성중합체 호스 시스템을 사용하여 용접을 수행하는 영역내에 실질적으로 수분이 없는 상태에서 실행되며, 상기 호스 시스템은 상기 전달 탄성 중합체 호스 시스템을 통해 상기 차폐 가스 내로 수분이 투과하는 것을 방지하는맞대기 용접 방법.
- 제 1 항에 있어서,상기 차폐 가스 전달 시스템의 일부로서, 수분 투과율 계수가 0 내지 275인 전달 탄성중합체 호스를 사용하는 단계를 포함하는맞대기 용접 방법.
- 제 2 항에 있어서,수분 투과율 계수가 100 미만인 탄성중합체 전달 호스를 사용하는 단계를 포함하는맞대기 용접 방법.
- 제 3 항에 있어서,전달 호스로서, 할로겐화 단위체로 된 공중합 탄성중합체로 제조된 호스를 선택하는 단계를 포함하는맞대기 용접 방법.
- 제 1 항에 있어서,용접 전극으로서, 무게 비율로, 텅스텐 98.5%, La2O3 1.3+/-0.1%, Y2O3 0.1%, ZrO2 0.1%를 포함하는 혼합물을 사용하는 단계를 포함하는맞대기 용접 방법.
- 제 1 항에 있어서,용접 전극으로서, 98.5% 텅스텐 및 1.5% 란탄 산화물을 포함하는 혼합물을 사용하는 단계를 포함하는맞대기 용접 방법.
- 필러 와이어를 사용하는 GTAW 용접기를 사용하여 경사 접합부를 갖는 비-스테인리스 강 가공편을 맞대기 용접하는 방법에 있어서,상기 가공편의 루트 단부에서 최소 랜드 두께를 갖는 경사 접합부 영역을 구비한 경사진 가공편을 제공하는 단계와,상기 가공편의 인접한 루트 단부 사이에 개방 간극을 두고 미리 준비된 가공편 접합부를 위치시키는 단계로서, 상기 간극은 용접 수축으로 인한 상기 가공편 사이의 유해한 압축 응력을 방지하는 최소 치소 및 상기 간극의 필러 와이어 침투를 방지하는 최대 치수를 갖는, 상기 단계와,균형 불활성 가스 및 1 내지 10% 수소를 포함하는 차폐 가스와 필러 와이어가 공급되는 GTAW 용접기를 사용하여 루트 패스 용접으로 상기 인접한 가공편의 개방 루트 영역을 융접하는 단계와,무-수소 차폐 가스 및 필러 와이어가 공급되는 GTAW 용접기를 사용하여 적어도 하나의 추가 필러 용접 패스로 상기 루트 패스 용접을 덧씌우는 단계를 포함하며,용접 전극으로서, 무게 비율로, 텅스텐 98.5%, La2O3 1.3+/-0.1%, Y2O3 0.1%, ZrO2 0.1%를 포함하는 혼합물을 사용하는 단계를 포함하는맞대기 용접 방법.
- 필러 와이어를 사용하는 GTAW 용접기를 사용하여 경사 접합부를 갖는 비-스테인리스 강 금속 가공편을 맞대기 용접하는 방법에 있어서,상기 가공편의 루트 단부에서 최소 랜드 두께를 갖는 경사 접합부 영역을 구비한 경사진 가공편을 제공하는 단계와,상기 가공편의 인접한 루트 단부 사이에 개방 간극을 두고 미리 준비된 가공편 접합부를 위치시키는 단계로서, 상기 간극은 용접 수축으로 인한 상기 가공편 사이의 유해한 압축 응력을 방지하는 최소 치소 및 상기 간극의 필러 와이어 침투를 방지하는 최대 치수를 갖는, 상기 단계와,균형 불활성 가스 및 1 내지 10% 수소를 포함하는 차폐 가스와 필러 와이어가 공급되는 GTAW 용접기를 사용하여 루트 패스 용접으로 상기 인접한 가공편의 개방 루트 영역을 융접하는 단계와,무-수소 차폐 가스 및 필러 와이어가 공급되는 GTAW 용접기를 사용하여 적어 도 하나의 추가 필러 용접 패스로 상기 루트 패스 용접을 덧씌우는 단계를 포함하며,용접 전극으로서, 98.5% 텅스텐 및 1.5% 란탄 산화물을 포함하는 혼합물을 사용하는 단계를 포함하는맞대기 용접 방법.
- 제 1 항에 있어서,상기 금속 가공편은 탄소강을 포함하는맞대기 용접 방법.
- 제 1 항에 있어서,상기 가공편 각각의 경사 접합 영역은 37.5°로 경사져 있고, 상기 접합부 단부의 단부 랜드 두께는 대략 0.000 내지 0.010 인치(0.000 내지 0.254 mm)이며, 상기 간극 치수는 약 0.035 인치(0.889 mm)이고, 상기 가공편은 중간 내지 두꺼운 벽 두께의 파이프인맞대기 용접 방법.
- 제 1 항에 있어서,상기 불활성 가스는 아르곤인맞대기 용접 방법.
- 제 1 항에 있어서,상기 차폐 가스는 95% 아르곤 및 5% 수소인맞대기 용접 방법.
- 제 1 항에 있어서,상기 가공편은 관형이며, 상기 루트 패스 및 덧씌움 용접은 상기 필러 와이어와 차폐 가스가 공급되는 선회식 GTAW 용접기를 사용하여 실행되는맞대기 용접 방법.
- 제 1 항에 있어서,상기 루트 패스에 후속하는 상기 제 2 패스 용접은 아르곤 차폐 가스를 사용하여 실행되는맞대기 용접 방법.
- 제 1 항에 있어서,상기 금속 가공편은 관형 도관 및 상기 도관용 피팅인맞대기 용접 방법.
- 제 15 항에 있어서,상기 용접 패스를 위해 선회식 GTAW 용접기를 사용하는 단계를 포함하는맞대기 용접 방법.
- 제 1 항에 있어서,상기 전달 시스템을 거쳐 상기 차폐 가스로의 산소의 주입을 실질적으로 방지하는 탄성중합체 차폐 가스 전달 호스를 사용하는 단계를 포함하는맞대기 용접 방법.
- 제 2 항에 있어서,용접 전극으로서, 무게 비율로, 텅스텐 98.5%, La2O3 1.3+/-0.1%, Y2O3 0.1%, ZrO2 0.1%를 포함하는 혼합물을 사용하는 단계를 포함하는맞대기 용접 방법.
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US10/716,505 | 2003-11-20 | ||
US10/716,505 US7170032B2 (en) | 2003-11-20 | 2003-11-20 | Process for welding |
PCT/US2004/035525 WO2005051583A2 (en) | 2003-11-20 | 2004-11-15 | Process for welding |
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KR20060123167A true KR20060123167A (ko) | 2006-12-01 |
KR101161885B1 KR101161885B1 (ko) | 2012-07-03 |
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EP (1) | EP1694460B1 (ko) |
JP (1) | JP2007517664A (ko) |
KR (1) | KR101161885B1 (ko) |
CN (1) | CN1905983A (ko) |
CA (1) | CA2544908C (ko) |
TW (1) | TWI350226B (ko) |
WO (1) | WO2005051583A2 (ko) |
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2003
- 2003-11-20 US US10/716,505 patent/US7170032B2/en not_active Expired - Fee Related
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2004
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- 2004-11-15 KR KR1020067009712A patent/KR101161885B1/ko not_active Expired - Fee Related
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TW200529965A (en) | 2005-09-16 |
EP1694460A4 (en) | 2008-10-29 |
CA2544908A1 (en) | 2005-06-09 |
CA2544908C (en) | 2013-01-08 |
US7170032B2 (en) | 2007-01-30 |
EP1694460B1 (en) | 2012-05-23 |
KR101161885B1 (ko) | 2012-07-03 |
JP2007517664A (ja) | 2007-07-05 |
WO2005051583A3 (en) | 2005-11-24 |
EP1694460A2 (en) | 2006-08-30 |
WO2005051583A2 (en) | 2005-06-09 |
US20050109735A1 (en) | 2005-05-26 |
TWI350226B (en) | 2011-10-11 |
CN1905983A (zh) | 2007-01-31 |
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